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Mazda Motor Corporation patents


Recent patent applications related to Mazda Motor Corporation. Mazda Motor Corporation is listed as an Agent/Assignee. Note: Mazda Motor Corporation may have other listings under different names/spellings. We're not affiliated with Mazda Motor Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Mazda Motor Corporation-related inventors


Glass antenna

The present application discloses a glass antenna arranged on a vehicular window glass. The glass antenna includes: a feeding terminal connected to an antenna amplifier; a first antenna connected to the feeding terminal and set so as to receive a radio frequency signal in a first frequency band which has a first wavelength at a central frequency of the first frequency band; a coupling element having a length set based on a length obtained by multiplying one-half of the first wavelength by a glass reduction rate, coupling element being connected to the feeding terminal; and a second antenna capacitively coupled to the coupling element and set so as to receive a radio frequency signal in a second frequency band which has a second wavelength at a central frequency of the second frequency band.. ... Mazda Motor Corporation

Sound effect generation device for vehicles

A vehicle sound effect generation apparatus generates a sound effect of an engine based on a vibration sound database including a fundamental wave sound having a fundamental frequency component and a plurality of adjustment wave sounds having a frequency component other than the fundamental frequency component. The vehicle sound effect generation apparatus includes a running state detecting unit that detects a running state of a vehicle, a sound effect generation unit that synthesizes the fundamental wave sound with the adjustment wave sounds based on the running state of the vehicle, and a visual guidance direction setting unit that sets a visual guidance direction at which a vehicle occupant shoots a look. ... Mazda Motor Corporation

Sound absorbing material

A sound absorbing material includes a fiber group of inorganic fibers, a fiber group of organic fibers, or a fiber group of a fiber blend including the inorganic and organic fibers. In the fiber group, at least junctions between the fibers are coated with a polymeric coating film having a loss factor of 0.1 or more.. ... Mazda Motor Corporation

Driving assistance device

Disclosed herein is a technique for providing driving assistance for a driver in such a way as to increase the driver's degree of internal focus on driving if his or her degree of internal focus on driving is estimated to be low when deactivation of autonomous driving is predicted. Examples of such driving assistance include boosting the moving vehicle noise to be heard inside the vehicle's cabin, increasing sensitivity to a change in the vehicle's state responsive to driving operations, providing navigation to a road with features that would entertain the driver through driving, and giving guidance in exemplary driving operations.. ... Mazda Motor Corporation

Automatic transmission

An automatic transmission includes a piston movable in an axial direction, a plurality of friction plates disposed on a side of a first surface of the piston, a fastening hydraulic chamber applying a hydraulic pressure to a second surface of the piston to move the piston to a fastening position where the friction plates are pressed to be fastened to each other, a release hydraulic chamber applying a hydraulic pressure to the first surface of the piston to move the piston to a release position where the friction plates are released, and a hydraulic pressure control valve that supplies and discharges the hydraulic pressure to and from each of the fastening hydraulic chamber and the release hydraulic chamber. An area of the second surface of the piston for receiving the hydraulic pressure is set to be larger than an area of the first surface for receiving the hydraulic pressure.. ... Mazda Motor Corporation

Canister, and vehicle mounting structure for canister

Disclosed herein is a canister (1) having a passage therein. One end of the passage is provided with a fuel vapor introduction port (11) and a purge port (12). ... Mazda Motor Corporation

Engine control device

Provided is an engine control device capable of, when performing control of an in-cylinder oxygen concentration according to engine operation state, controlling an engine to accurately realize vehicle behavior intended by a driver, while suppressing generation of knock noises due to abnormal combustion. The engine control device comprises: a basic target torque-determining part (61) configured to determine a basic target torque based on a driving state of a vehicle including manipulation of an accelerator pedal; a torque reduction amount-determining part (63) configured to determine a torque reduction amount based on a driving state of the vehicle other than the manipulation of the accelerator pedal; a final target torque-determining part (65) configured to determine a final target torque based on the basic target torque and the torque reduction amount; and an engine control part (69) configured, based on a fuel injection parameter preliminarily set correspondingly to an operation state of an engine, to control a fuel injector to enable the engine to output the final target torque, and, when the final target torque changes correspondingly to a change in the torque reduction amount, to correct the fuel injection parameter.. ... Mazda Motor Corporation

Turbocharged engine control device

Provided is a turbocharged engine control device capable of controlling an engine to accurately realize vehicle behavior intended by a driver, while suppressing deterioration in acceleration response. The turbocharged engine control device comprises: a basic target torque-determining part (61) configured to determine a basic target torque based on a driving state of a vehicle including manipulation of an accelerator pedal; a torque reduction amount-determining part (63) configured to determine a torque reduction amount based on a driving state of the vehicle other than the manipulation of the accelerator pedal; a final target torque-determining part (65) configured to determine a final target torque based on the basic target torque and the torque reduction amount; and an engine control part (69) configured to control the engine to output the final target torque, while controlling the turbocharger based on the final target torque, wherein the engine control part (69) is configured to restrict controlling the turbocharger (5) according to a change in the final target torque corresponding to a change in the torque reduction amount.. ... Mazda Motor Corporation

Vehicle control device

Disclosed is a vehicle control device which is applied to a vehicle equipped with an engine (10) and an engine torque adjustment mechanism for adjusting an output torque (engine torque) of the engine (10). The vehicle control device comprises a pcm (50) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value relevant to a steering angle of a steering device is increasing, to control the engine torque adjustment mechanism to reduce the engine torque so as to generate vehicle deceleration to control vehicle attitude. ... Mazda Motor Corporation

Cam journal lubricant supply mechanism for engine

An oil supply path passes through members separate from a cylinder head (4) to supply a lubricant to bearings (73, 74) of camshaft journals. The oil supply path includes an oil supply passage (66) for the camshaft above the camshaft (19, 20), a connection passage (64) for the camshaft between the oil supply passage for the camshaft and an internal passage (61, 62) in the cylinder head (4), and branch oil passages (68) for the camshaft journals. ... Mazda Motor Corporation

Interior/exterior member for automobile

Provided is an automobile interior/exterior member including a thermoplastic resin compound containing, at a predetermined mixing ratio, a component (a) as polycarbonate resin which has a constitutional unit derived from a predetermined dihydroxy compound and a constitutional unit derived from predetermined cyclohexane dimethanol and whose content ratio of the constitutional unit derived from the predetermined dihydroxy compound and the constitutional unit derived from the predetermined cyclohexane dimethanol is 69/31 to 71/29 in units of molar ratio, a component (b) as butyl acrylate methyl methacrylate styrene-based rubber, a component (c) as dibutyl hydroxy toluene, a component (d) as a benzotriazole-based light stabilizer, and a component (e) as a hindered amine-based light stabilizer.. . ... Mazda Motor Corporation

Rear vehicle-body structure of vehicle

A rear vehicle-body structure of a vehicle comprises a wheel house, a side frame, a suspension comprising a damper, and a suspension housing connecting the side frame and the wheel house. The suspension housing includes a support face portion for supporting the damper, a level floor portion which extends outward from its connection portion to the side frame, and a vertical wall portion which extends upward from an outward-side edge portion, in a vehicle width direction, of the level floor portion up to an inward-side edge portion, in the vehicle width direction, of the support face portion.. ... Mazda Motor Corporation

Rear vehicle-body structure of vehicle

A rear vehicle-body structure of a vehicle comprises a wheel house, a side frame, a suspension comprising a damper and a spring, and a suspension housing connecting the side frame and the wheel house. The suspension housing includes a supporting part for supporting the damper and a spring receiving part for supporting an upper end portion of the spring at a position located on an outward side, in a vehicle width direction, of the side frame and on an upward side, in a vehicle vertical direction, of a lower end of the side frame. ... Mazda Motor Corporation

Rear vehicle-body structure of vehicle

A rear vehicle-body structure of a vehicle comprises a wheel house provided at a side face portion of a vehicle-body rear portion, a side frame extending in a vehicle longitudinal direction on an inward side, in a vehicle width direction, of the wheel house, a suspension comprising a damper provided to extend in a vehicle vertical direction for damping a vertical load inputted from a wheel thereto and a bump stopper provided on a shaft center of the damper, and a suspension housing including a support face portion for supporting the damper and provided to connect the side frame and the wheel house, wherein the suspension housing comprises a peripheral wall portion which is provided to extend downward from the support face portion and enclose the bump stopper at least partially.. . ... Mazda Motor Corporation

09/27/18 / #20180273098

Front subframe structure

A front subframe structure includes front and rear cross members, a pair of left and right side members, and a vehicle body mounting portion disposed on front ends of the side members. The side member has a lateral widening portion at a front end thereof, wherein the lateral widening portion bulges outward in a vehicle width direction. ... Mazda Motor Corporation

09/27/18 / #20180273094

Front sub-frame structure

A tension rod supporting part (14) is provided at a sub-frame front structure (10) of a front part of a front sub-frame (5); the side member (6) is disposed upward in one side and extended rearward from the tension rod supporting part (14); a rack arrangement step (a) opened downward for arranging a steering rack (55) is formed behind the tension rod supporting portion (14) and under the side member (6); and a stabilizer support part (62) is provided in the rack arrangement step (a).. . ... Mazda Motor Corporation

09/27/18 / #20180273093

Rear subframe structure

A rear subframe structure is provided with a rear subframe including a front cross member, and a pair of left and right side members connected to the front cross member, and further including a vehicle-body mounting portion formed on both ends of the front cross member. The rear subframe includes a tunnel portion formed in a middle of a lower portion of the front cross member, and a brace extending in the vehicle width direction, and including a tunnel-portion mounting portion on left and right ends thereof. ... Mazda Motor Corporation

09/27/18 / #20180273089

Lane keeping control device

A lane keeping control device performs lane keeping control to allow a host vehicle (v) to travel in a travel lane (21) in which the host vehicle is currently traveling. The lane keeping control device continues to perform the lane keeping control such that the host vehicle travels toward a branch road (30) ahead, when the branch road (30) has been detected, and a turn signal (wl) has been activated to indicate a direction toward the branch road (30).. ... Mazda Motor Corporation

09/27/18 / #20180273024

Vehicle behavior control device

Provided is a vehicle behavior control device capable of performing a vehicle behavior control to accurately realize vehicle behavior intended by a driver, without causing the driver to feel uncomfortable in vehicle behavior during straight-ahead traveling. The vehicle behavior control device comprises a pcm (18) configured to control the vehicle (1) to reduce torque for driving the vehicle, according to a steering speed of the vehicle. ... Mazda Motor Corporation

09/27/18 / #20180272973

Emergency notification system

An emergency notification system comprises an emergency notification unit 10, an audio control unit 30, and a speaker drive unit 40 for driving a vehicle-mounted speaker 42 based on control by the audio control unit 30, wherein the emergency notification unit 10 comprises: a muting control section 21 operable, upon receiving a vehicle emergency signal, to transmit, to the audio control unit 30, a muting request signal b for muting the vehicle-mounted speaker 42, and to receive, from the audio control unit 30, a muting confirmation signal e indicating that the vehicle-mounted speaker 42 has been muted based on the muting request signal b; and a power supply control section 23 operable, when the muting control section 21 fails to receive the muting confirmation signal e in response to the transmission of the muting request signal b, to shut off supply of electric power to the speaker drive unit 40.. . ... Mazda Motor Corporation

09/27/18 / #20180272651

Resin molding and manufacturing method therefor

Regarding a resin molding including embossment 4 provided for an interface between a base 2 and a translucent surface layer 3, if a value y-highlight designates a value y of light which is incident at 45 degrees and detected at an acceptance angle of +30 degrees, and a value y-shade designates a value y of light which is incident at 45 degrees and detected at an acceptance angle of −30 degrees, the value y-highlight and the value y-shade being calibrated with a value y of a white reflectance standard of an xyz colorimetric system regarded as 100%, a difference between the value y-highlight and the value y-shade of a flat portion of a surface of the base material 2 is 5 or more, and the surface layer 3 has a total light transmittance of 2.5% or more and 60% or less.. . ... Mazda Motor Corporation

09/20/18 / #20180270640

On-vehicle emergency notification device

The present invention relates to an on-vehicle emergency notification device for performing a notification to an external emergency call center, in the event of an emergency. The on-vehicle emergency notification device is configured to allow a vehicle body number (vin) and an emergency notification phone number (cim number) to be registered therein in the form of a set, so as to enable the notification to the emergency call center, wherein the on-vehicle emergency notification device is configured such that: during execution of a factory mode for performing the registration of the vehicle body number and the emergency notification phone number, rewriting of the vehicle body number is permitted; and, after the registration of the vehicle body number and the emergency notification phone number is completed and then the factory mode is shifted to a market mode, the rewriting of the vehicle body number is prohibited.. ... Mazda Motor Corporation

09/20/18 / #20180268805

Sound effect generation device for vehicles

A vehicle sound effect generation apparatus generates a sound effect of an engine based on a vibration sound database including a fundamental wave sound having a fundamental frequency component and a plurality of adjustment wave sounds having a frequency component other than the fundamental frequency component. The vehicle sound effect generation apparatus includes a running state detecting unit that detects a running state of a vehicle, a risk degree determining unit that is capable of determining a risk degree of the vehicle based on the running state detected by the running state detecting unit, and a sound effect generation unit that, when the risk degree determining unit determines a risk degree which is a predetermined value or more, synthesizes the fundamental wave sound with one or more discordant adjustment wave sounds having a discordant frequency component other than an integer-order frequency component and a half-order frequency component.. ... Mazda Motor Corporation

09/20/18 / #20180268804

Vehicle sound effect generation apparatus

A vehicle sound effect generation apparatus includes a running state detecting unit that detects a running state of a vehicle, an adjustment wave sound selector that selects one or more adjustment wave sounds having a half-order frequency component or an integer-order frequency component, a sound effect generation unit that synthesizes a fundamental wave sound having a fundamental frequency component with the one or more adjustment wave sounds selected by the adjustment wave sound selector, and an inhibition condition determining unit that can determine a condition that correspondence between an amount of an operation performed by a vehicle occupant and a behavior of the vehicle is inhibited. When the inhibition condition determining unit determines the condition that the correspondence between the amount of the operation and the behavior of the vehicle is inhibited, the adjustment wave sound selector reduces the output characteristics of the adjustment wave sounds selected.. ... Mazda Motor Corporation

09/20/18 / #20180268620

Display device of vehicle

Provided as display portions configured to display maintenance related information pieces about a plurality of maintenance items of a vehicle are: a first display portion configured to, when at least one of the plurality of maintenance items is in a predetermined maintenance period, display the maintenance related information piece about the maintenance item that is in the predetermined maintenance period, the predetermined maintenance period including a predetermined maintenance timing and periods before and after the predetermined maintenance timing; and a second display portion configured to, when none of the plurality of maintenance items is in the maintenance period, display only the information piece about a nearest one of the maintenance timings of the plurality of maintenance items.. . ... Mazda Motor Corporation

09/20/18 / #20180266558

Gasket for internal combustion engine

An internal combustion engine gasket includes a plurality of annular plates that are stacked. Each of the annular plates includes: a through-hole; an inner circumferential portion; a plurality of bolt holes; an outer circumferential portion; and an intermediate portion. ... Mazda Motor Corporation

09/20/18 / #20180266356

Engine control device

Provided is a control device for an engine comprising an engine whose combustion mode is switchable according to an engine operation state, wherein the control device is capable of controlling the engine while suppressing generation of knock noise due to abnormal combustion. The control device comprises: a basic target torque-determining part (61) configured to determine a basic target torque based on a vehicle driving state including manipulation of an accelerator pedal; a torque reduction amount-determining part (63) configured to determine a torque reduction amount based on a vehicle driving state other than the manipulation of the accelerator pedal; a final target torque-determining part (65) configured to determine a final target torque based on the basic target torque and the torque reduction amount; and an engine control part (69) configured to set the combustion mode to a premixed combustion mode or a diffusion combustion mode according to the engine operation state. ... Mazda Motor Corporation

09/20/18 / #20180266346

Vehicle control device

A vehicle control device is provided, which includes an engine, an engine control mechanism configured to control torque generated by the engine, and a processor configured to execute a vehicle attitude controlling module to perform a vehicle attitude control in which the engine control mechanism is controlled to reduce the torque so as to decelerate the vehicle, when a condition that the vehicle is traveling and a steering angle related value that is related to a steering angle of a steering device increases is satisfied, and a preventing module to prevent a combustion frequency of the engine per unit time from falling below a given value while the vehicle attitude controlling module executes the vehicle attitude control.. . ... Mazda Motor Corporation

09/20/18 / #20180266345

Vehicle control device

A vehicle control device is provided, which includes an engine, an engine control mechanism configured to control torque generated by the engine, a steering device, and a processor. The processor determines whether a vehicle is traveling and a steering angle related value that is related to a steering angle of the steering device increases, executes a control of the engine control mechanism to reduce the torque when the vehicle is determined to be traveling and the steering angle related value is determined to increase, determines whether a combustion frequency of the engine per unit time is lower than a given value, executes the control for reducing the torque when the combustion frequency is determined to be higher than the given value, and prevents the execution of the control for reducing the torque when the combustion frequency is determined to be lower than the given value.. ... Mazda Motor Corporation

09/20/18 / #20180266312

Accessory drive device for engine

An accessory drive system for an engine 1 includes: a drive shaft (a crankshaft 21); a driven shaft (an oil pump drive shaft 31); an endless transmission member (a drive chain 33); a first tensioner disposed on a slack side of the endless transmission member (a first hydraulic tensioner 41); and a second tensioner disposed on a tight side of the endless transmission member (a second hydraulic tensioner 43). The second tensioner has a damping function to damp pushing force applied to the second tensioner by the endless transmission member in a direction opposite to a biasing direction.. ... Mazda Motor Corporation

09/20/18 / #20180266302

Exhaust device of multiple-cylinder engine

Provided is an exhaust device connected to an engine body. The exhaust device includes a plurality of independent exhaust pipes, each of which has a circular cross section, and which are connected to exhaust ports of cylinders of the engine body; and a mixing pipe having a circular cross section, connected to downstream ends of the independent exhaust pipes, and through which exhaust gas that has passed through the independent exhaust pipes flows in. ... Mazda Motor Corporation

09/20/18 / #20180265135

Front sub-frame structure

In the front part of the front sub-frame (5), provided are a sub-crash can attachment part (12) and a tension rod supporting part (14); a front vehicle body attachment part (13) is provided between the two parts; the sus-cross member (73) is provided in the front vehicle body attachment part (13) and the tension rod supporting part (14); the front-side vehicle body attaching portion (13) includes a sub crash can load transmitting member (30); and the upper face portion (21) of the front vehicle body attachment part (13) and the partition wall (33) of the sub-crash can load transferring member (30) are spaced apart in the vertical direction and extend in the longitudinal direction of the vehicle.. . ... Mazda Motor Corporation

09/20/18 / #20180265131

Rear subframe structure

A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed. The rear subframe further includes a lower-arm support portion. ... Mazda Motor Corporation

09/20/18 / #20180265119

Vehicle control device

A vehicle control device is provided, which includes a drive source configured to generate torque as driving force of a vehicle, a transmission torque control mechanism configured to control transmission torque to drive wheels according to the generated torque, and a processor configured to execute a vehicle attitude controlling module to perform a vehicle attitude control by controlling the transmission torque control mechanism to reduce the transmission torque so as to decelerate the vehicle when a starting condition that the vehicle is traveling and a steering angle related value increases is satisfied, and then, when a given terminating condition is satisfied, controlling the mechanism to resume the transmission torque back to the torque before being reduced. The transmission torque is controlled so as to cause a yaw rate that occurs in the vehicle while the vehicle attitude control is performed, to be lower than an upper limit yaw rate.. ... Mazda Motor Corporation

09/20/18 / #20180265118

Vehicle control device

A vehicle control device is provided, which includes an engine, an engine control mechanism configured to control torque generated by the engine, a processor configured to execute a vehicle attitude controlling module to control attitude of a vehicle by controlling the engine control mechanism to reduce the torque so as to decelerate the vehicle, when a condition that the vehicle is traveling and a steering angle related value that is related to a steering angle of a steering device increases is satisfied, and a torque reduction amount setting module to set the reduction amount of the torque to be larger as a combustion frequency of the engine per unit time decreases. The vehicle attitude controlling module controls the engine control mechanism to reduce the torque based on the set reduction amount.. ... Mazda Motor Corporation

09/20/18 / #20180265004

Vehicle periphery image display device

In the vehicle periphery image display device, an own vehicle periphery image is displayed around an own vehicle overview image and, when an obstacle is detected in an own vehicle periphery, an obstacle indicating section indicating a detected location of the obstacle around the own vehicle and a distance between an own vehicle and the obstacle is displayed closer to the own vehicle overview image than the own vehicle periphery image.. . ... Mazda Motor Corporation

09/06/18 / #20180253612

Sign recognition and display device

The sign recognition and display device includes an camera taking an image of an area in front of the subject vehicle; a sign recognition unit recognizing a road sign included in the image taken by the camera, a display control unit displaying, if a road sign indicating a speed limit is recognized by the sign recognition unit, the speed limit through a display unit; and an intention determination unit determining whether a driver intends to change a vehicle speed to bring the vehicle speed of a subject vehicle toward the speed limit displayed by the display device, wherein the display control unit finishes display of the speed limit if the intention determination unit determines that the driver does not intend to change the vehicle speed.. . ... Mazda Motor Corporation

09/06/18 / #20180252170

Oil supply control device of engine

An oil supply control device for an engine includes: a hydraulic controller which outputs a control value to an adjusting device to cause a detected hydraulic pressure detected by a hydraulic pressure sensor to coincide with a predetermined hydraulic pressure value; a determination portion which compares an output control value output from the hydraulic controller to the adjusting device when the detected hydraulic pressure coincides with the predetermined hydraulic pressure value and a control value stored in a memory, to determine whether or not a difference between the output control value and the stored control value lies within a predetermined allowable range; and a device controller which allows activation of a hydraulic actuating device when an oil temperature is not lower than a first temperature in a case where the difference lies within the allowable range, inhibits activation of the hydraulic actuating device when the oil temperature is lower than a second temperature higher than the first temperature in a case where the difference does not lie within the allowable range, and allows activation of the hydraulic actuating device when the oil temperature is not lower than the second temperature in a case where the difference does not lie within the allowable range.. . ... Mazda Motor Corporation

09/06/18 / #20180252169

Engine control device

A pcm (100) selects one of a ci mode or an si mode based on the operating conditions of the engine (1). In the ci mode, the engine (1) is operated by compression ignition combustion. ... Mazda Motor Corporation

09/06/18 / #20180251611

Fiber-reinforced polypropylene resin composition

A fiber-reinforced polypropylene-based resin composition including 53 mass % to 74.5 mass % of a component (a); 10 mass % to 20 mass % of a component (b); 15 to 25 mass % of a component (c); and 0.5 to 2 mass % of a component (d), where a sum of the components (a), (b), (c), and (d) is 100 mass %. The components (a), (b), (c), and (d) satisfy specific conditions. ... Mazda Motor Corporation

09/06/18 / #20180251165

Deflector structure of automobile

A deflector structure of an automobile includes: a liner extended portion covering a lower-surface opening located at a front side of a wheel housing; and a deflector attached to the liner extended portion. The deflector is integrally configured by: a deflector base portion attached to the liner extended portion through a bolt and a resin clip; and a plate-shaped deflector main body extending from a rear end of the deflector base portion to a vehicle lower side and having flexibility and a thickness in a forward/rearward direction. ... Mazda Motor Corporation

09/06/18 / #20180251158

Frame structure of vehicle

Provided is a frame structure of a vehicle comprising a front side frame; a reinforcing member disposed in a closed cross section; and an inner bead portion which is formed from a plurality of ridgelines extending vertically on a side wall of the front side frame and projects inwardly into the closed cross section, in which the side wall has the front inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the front ridgeline; and the rear inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the rear ridgeline, and the reinforcing member is joined to the front proximal portion and the rear proximal portion of the intermediate ridgeline, which are the front and rear inclined planar portions.. . ... Mazda Motor Corporation

09/06/18 / #20180251088

Impact absorption structure for vehicles

An impact absorbing structure includes an impact absorbing member made of cfrp, and the impact absorbing member includes a pair of left and right side wall portions and upper and lower coupling wall portions each coupling the side wall portions. Each of the pair of side wall portions includes a plurality of curved portions. ... Mazda Motor Corporation

08/23/18 / #20180242132

On-vehicle emergency notification device

The present invention relates to an on-vehicle emergency notification device the notification device is configured to allow a vehicle body number and an emergency notification phone number to be registered therein in the form of a set, so as to enable the notification to the emergency call center, wherein the notification device is configured such that: during execution of a factory mode for performing the registration of the vehicle body number and the emergency notification phone number, rewriting of the vehicle body number is permitted; after the registration of the vehicle body number and the emergency notification phone number is completed and then the factory mode is shifted to a market mode, the rewriting of the vehicle body number is prohibited; and, when it is in the factory mode, the switching to an auxiliary battery is prohibited.. . ... Mazda Motor Corporation

08/23/18 / #20180237636

Interior and exterior member for automobile

An interior and exterior member for an automobile includes a thermoplastic resin composition including components (a) and (b). The component (a) is a polycarbonate resin mixture including a structural unit derived from a dihydroxy compound and a structural unit derived from cyclohexanedimethanol, wherein the structural unit is in an amount accounting for from 56 mol % to 60 mol % of the total amount of the structural unit and the structural unit derived from cyclohexanedimethanol, and the component (b) is butadiene-butyl acrylate-methyl methacrylate rubber. ... Mazda Motor Corporation

08/23/18 / #20180237074

Upper vehicle-body structure of vehicle

In a vehicle-body structure in which a roof side rail portion of a side face portion of a vehicle body and a roof reinforcement are connected via a gusset so as to suppress that a center pillar portion comes into a cabin side when a large load is inputted from a vehicle side, a notch portion is provided at the gusset. Thereby, it is suppressed that, when the large load is inputted to the center pillar portion from the vehicle side, the gusset is so bending-deformed by a rotation of the roof side rail portion that a rotational moment caused by the rotation of the roof side rail portion acts on the roof reinforcement, suppressing that the center pillar portion comes into the cabin side.. ... Mazda Motor Corporation

08/23/18 / #20180237073

Side vehicle-body structure of vehicle

In a structure which comprises a hinge pillar at a side face portion of a vehicle, a front pillar connected to the hinge pillar, an apron member extending forward from a joint portion of the hinge pillar to the front pillar, and a hinge pillar reinforcement provided at the joint portion of the hinge pillar to the front pillar, a reinforcing member which connects a side face portion and an upper face portion of the hinge pillar reinforcement is provided, and a bead portion which interconnects the upper face portion and the side face portion of the hinge pillar reinforcement in a brace shape is provided and the reinforcing member.. . ... Mazda Motor Corporation

08/23/18 / #20180236966

Front structure of vehicle

A grill bracket, a rear end portion of which is fixed to a shroud, is provided below a fascia upper member which is provided in front of a bonnet (engine hood). A front-side portion of the grill bracket is configured as an impact absorbing structure (a rib structure with ribs, for example) which extends forward along a back face of the fascia upper member. ... Mazda Motor Corporation

08/16/18 / #20180230896

Structure of combustion chamber for direct injection engine

A fuel injection valve is shifted, with respect to the bore center of a cylinder, toward one end of an engine's output shaft. A top surface of a piston has inclined surfaces, and is raised by the inclined surfaces. ... Mazda Motor Corporation

08/09/18 / #20180221982

Gas-shielded arc welding method

A gas-shielded arc welding method includes feeding a consumable electrode via a welding torch and performing welding while flowing a shielding gas. The welding torch includes a nozzle. ... Mazda Motor Corporation

08/02/18 / #20180215257

Transfer device

A transfer device is provided, which includes an input shaft configured to receive a driving force generated by a drive source, an output shaft configured to output a portion of the driving force to part-time drive wheels of a vehicle, a transfer case accommodating the input and output shafts, at least two output bearings rotatably supporting the output shaft, and a constant-velocity (cv) joint connected to the output shaft and provided on a first side of the part-time drive wheels with respect to the output shaft. The output shaft is formed with a recessed opening portion opening toward the first side and receiving at least a part of the cv joint therein. ... Mazda Motor Corporation

08/02/18 / #20180215256

Four-wheel drive vehicle

A four-wheel drive vehicle is disclosed, which includes an engine, a rear propeller shaft, a rear differential gear, a transfer mechanism, a front propeller shaft, and a front differential gear. The front propeller shaft is arranged so as to pass through a vicinity of an outside of a room of a pedal working space of a driver's seat and extend toward a front part of the vehicle. ... Mazda Motor Corporation

07/26/18 / #20180209316

Exhaust emission control system

An exhaust emission control system is provided, which includes a nox storage catalyst provided in an exhaust passage of an engine and configured to store nox, a urea scr catalyst provided in the exhaust passage, downstream of the nox storage catalyst, and a nox reduction controlling module configured to set a nox reduction condition and, when the nox reduction condition is satisfied, performs nox reduction processing in which an air-fuel ratio of exhaust gas is set to be one of near a stoichiometric air-fuel ratio and rich, and the nox stored in the nox storage catalyst is reduced, the nox reduction condition being set looser for the nox reduction processing performed the first time after the engine is started than the nox reduction processing performed the second and subsequent times after the engine is started.. . ... Mazda Motor Corporation

07/12/18 / #20180194111

Multilayer coating film and coated article

The flip-flop properties and the metallic impression are enhanced in a metallic coating. The coating includes a colored base layer formed directly or indirectly on a surface of a coating target, and a bright material-containing layer layered on the colored base layer and containing flaked bright materials and a colorant. ... Mazda Motor Corporation

07/12/18 / #20180193878

Multilayer coating film and coated article

The flip-flop properties and the metallic impression are enhanced in a metallic coating. The coating includes a colored base layer formed directly or indirectly on a surface of a coating target, and a bright material-containing layer containing flaked bright materials and a colorant and layered on the colored base layer. ... Mazda Motor Corporation

06/28/18 / #20180180173

Vehicular shifter device

A vehicular shifter device includes: an operation member; a body portion which supports the operation member to be shiftable from a home position in a predetermined direction, and which causes the operation member after a shift operation to automatically return to the home position; and a control means which controls the range of a transmission on the basis of a shift operation of the operation member. The control means sets the range to a neutral range when the operation member is shifted from the home position in the predetermined direction. ... Mazda Motor Corporation

06/28/18 / #20180180070

Valve body for hydraulic control device, and production method therefor

Disclosed herein is a valve body (10) for a hydraulic control system. The valve body (10) has a plurality of valve insertion holes (33, 34) into which a plurality of valves are inserted, respectively, and a plurality of oil passages (69) each communicating with at least one of the valve insertion holes (33, 34). ... Mazda Motor Corporation

06/21/18 / #20180172471

Information communication system for vehicle

An information communications system (100) for a vehicle includes an on-vehicle information device (10). The on-vehicle information device (10) includes: an information collection unit (11) which collects vehicle information from an on-vehicle device (41, 42, 43, 44), communication interfaces (14a, 14b) connected to mobile terminals (20) having a communication function and being brought inside the vehicle, and a control unit (12) which transfers the vehicle information collected by the information collection unit (11) to any one of the mobile terminals (20) via any one of the communication interfaces (14a, 14b). ... Mazda Motor Corporation

06/21/18 / #20180172146

Valve body for hydraulic control device, and production method therefor

A valve body for a hydraulic control system includes a single valve body component (10) having a plurality of valve insertion holes (31, 33) into which a plurality of valves are inserted, respectively, and a plurality of oil passages (69) each communicating with at least one of the valve insertion holes (31, 33). All portions of the valve body component (10) except cavities including the valve insertion holes (31, 33) and the oil passages (69) are integral and continuous with one another.. ... Mazda Motor Corporation

06/21/18 / #20180171862

Combustion chamber structure of engine

The present invention relates to a combustion chamber structure of an engine configured to inject fuel in a predetermined operation range in a period from a second half of a compression stroke until a first half of an expansion stroke to perform ignition after a compression top dead center. The combustion chamber structure includes: a piston including a cavity; a fuel injection valve provided at a middle portion of the piston; and a spark plug provided at a radially outer side of the middle portion of the piston and an upper side of the cavity. ... Mazda Motor Corporation

05/24/18 / #20180140220

Skin resistance measuring device

Provided herein is a skin resistance measuring device having a simple structure and capable of accurately measuring a skin resistance. An ac voltage generated by a high-frequency power source (21) is applied to a first electrode (11). ... Mazda Motor Corporation

05/10/18 / #20180127565

Coating of inner plate part of vehicle

A coating of an outer plate contains a perylene-based pigment, and satisfies (roh(p)/roh(oa))≥74, where roh(p) is the highlight reflectance of the coating of the outer plate at a peak wavelength at which reflectance reaches the maximum value in a spectral reflectance curve, and roh(oa) is the average highlight reflectance of the coating of the outer plate in a complementary wavelength range. A coating of an inner plate part contains a perylene-based pigment and an iron oxide-based pigment, the content of the perylene-based pigment in the coating of the inner plate part is in units of pwc, and the mass ratio of the content of the iron oxide-based pigment to the content of the perylene-based pigment in the coating of the inner plate part is 3-20%.. ... Mazda Motor Corporation

04/19/18 / #20180106198

Variable valve train for engine

A variable valve train for an engine is provided that includes a plurality of electric variable valve mechanisms, a single drive circuit used to drive at least two of the plurality of electric variable valve mechanisms, and a controller provided separately from the drive circuit and configured to control the drive circuit. The drive circuit is integrated with at least one of the at least two electric variable valve mechanisms.. ... Mazda Motor Corporation

04/05/18 / #20180094133

Interior/exterior automotive trim component

Disclosed herein is an interior/exterior automotive trim component made of a thermoplastic resin composition including components (a)-(f), wherein relative to 100 parts by mass of the component (a), the component (b) such as a particular hindered phenol based antioxidant is 0.09-0.11 parts by mass, the component (c) such as dibutyl hydroxy toluene is 0.001-0.015 parts by mass, the component (d) such as tris(2,4-di-t-butylphenyl) phosphite is 0.04-0.06 parts by mass, the component (e) such as a particular benzotriazole based light stabilizer is 0.09-0.11 parts by mass, and the component (f) such as a particular hindered amine based light stabilizer is 0.09-0.11 parts by mass. The component (a) is a polycarbonate resin composition comprised of a molten mixture of a plurality of predetermined carbonate copolymers having respectively different copolymerization ratios.. ... Mazda Motor Corporation

04/05/18 / #20180093695

Device for detecting approach distance of living body

A device for detecting an approach distance of a living body is provided. The device detects hover touch. ... Mazda Motor Corporation

03/29/18 / #20180090008

Automotive target-detection system

An automotive target-detection system includes: a sensor unit provided on a vehicle; and a central control unit connected to the sensor unit via an in-car bus. The sensor unit includes: a sensor detecting a target around the vehicle; and a sensor controller generating target information on the detected target, and transmitting it to the central control unit. ... Mazda Motor Corporation

03/29/18 / #20180090006

Automotive target-detection system

An automotive target-detection system includes: sensor units each provided on a vehicle; and a central control unit connected to the sensor units. Each of the sensor units includes: a sensor detecting a target around the vehicle; and a controller generating target information on the detected target, and transmitting it to the central control unit. ... Mazda Motor Corporation

03/29/18 / #20180086349

Vehicle control device

The vehicle control device is designed to control a vehicle equipped with an engine (10), and an automatic transmission (200) comprising a torque converter (202) with a lockup clutch (202f). The vehicle control device comprises a controller (50) configured to perform control of changing an engagement degree of the lockup clutch (202f) and to, when such a condition that the vehicle is traveling and a steering angle-related value as a parameter related to a steering angle of a steering apparatus of the vehicle increases is satisfied, reduce an output toque of the engine (10) to generate a deceleration of the vehicle to thereby execute a torque reduction control for controlling an attitude of the vehicle. ... Mazda Motor Corporation

03/22/18 / #20180080401

Fuel injection control device for direct injection engine

Disclosed herein is a fuel injection control device for a direct injection engine including an engine body (engine 1) and a fuel injection control unit (engine controller 100). The fuel injection control unit injects a fuel in a predetermined injection mode into a combustion chamber (17) such that while the engine body is warm, an air-fuel mixture layer and a heat-insulating gas layer, surrounding the air-fuel mixture layer, are formed in the combustion chamber at a point in time when an air-fuel mixture ignites, and changes the injection mode of the fuel into the combustion chamber such that while the engine body is cold, the lower the temperature of the engine body is, the thinner the heat-insulating gas layer becomes.. ... Mazda Motor Corporation

03/22/18 / #20180080362

Exhaust gas purifier for engine

An exhaust pipe of an engine includes a crank-shaped pipe portion having a first bend and a second bend which guide exhaust gas to a mixer, and a straight pipe portion which is continuous with the second bend. The mixer is arranged in the straight pipe portion. ... Mazda Motor Corporation

03/22/18 / #20180079407

Vehicle behavior control device

The vehicle behavior control device comprises: a steer-by-wire type steering apparatus (6) having a steering wheel-side mechanism and a road wheel-side mechanism which are mechanically separated from each other; and a controller (8) performs a driving force reduction control of reducing a driving force for a vehicle (1) when a steering speed in the steering apparatus (6) becomes equal to or greater than a given threshold. The steering apparatus (6) comprises a first steering angle sensor (14) provided in the steering wheel-side mechanism and a second steering angle sensor (19) provided in the road wheel-side mechanism. ... Mazda Motor Corporation

03/22/18 / #20180079406

Vehicle behavior control device

The vehicle behavior control device comprises: a steer-by-wire type steering apparatus (6) having a steering wheel-side mechanism and a road wheel-side mechanism which are mechanically separated from each other; and a controller (8) performs a driving force reduction control when a steering speed in the steering apparatus (6) becomes equal to or greater than a given threshold. The steering apparatus (6) comprises a first steering angle sensor (14) provided in the steering wheel-side mechanism and a second steering angle sensor (19) provided in the road wheel-side mechanism. ... Mazda Motor Corporation

03/15/18 / #20180076972

Communication system

Plural types of data having different additional information is transmitted and received without standardizing the communication format. A communication system includes a plurality of controllers capable of transmitting and receiving plural types of data which requires different additional information. ... Mazda Motor Corporation

03/15/18 / #20180073454

Vehicle control device

A control device of a vehicle is provided. The vehicle includes a drive source, wheels, a driving force transmission shaft provided in a driving force transmission path extending from the drive source to the wheels, and an accelerator position sensor for detecting a depression amount of an accelerator pedal. ... Mazda Motor Corporation

03/15/18 / #20180072347

Frame structure for vehicle

There are provided an outer panel, an inner panel, a second reinforcement provided in the main closed-cross section and cooperates with the outer panel to form a sub closed-cross section extending longitudinally, a bead portion formed at a portion of the inner panel which is located at a position corresponding to the second reinforcement, and configured to be a starting point causing bending of a front side frame toward the second reinforcement when a collision load is applied in a vehicle collision, and a second attaching member provided at a position located on a front-end side of the front side frame relatively to the second reinforcement and configured to make the second reinforcement crushable in a bending direction in the vehicle collision. The second attaching member comprises a knot-shaped member provided inside the main closed-cross section.. ... Mazda Motor Corporation

03/15/18 / #20180072317

Vehicle control device

A vehicle control device includes a drive source for generating torque as driving force that causes a vehicle to travel, a drive source control mechanism for controlling the torque generation by the drive source, a driving force transmission mechanism for transmitting the torque to vehicle wheels, an engageable element provided in the transmission mechanism, and a processor configured to execute an engagement state change control in which an engagement state of the engageable element is changed, a vehicle attitude controlling module for controlling attitude of the vehicle by driving the drive source control mechanism to reduce the torque so as to decelerate the vehicle, when a condition is satisfied, the condition being that the vehicle is traveling and a steering angle related value increases, and an engagement state change restricting module for restricting the execution of the engagement state change control while the vehicle attitude control is executed.. . ... Mazda Motor Corporation

03/08/18 / #20180066755

Control device of automatic transmission which executes shift-by-wire control

A shift position determination portion determines that operation of shifting a shift position from other range than a parking range to the parking range is conducted. A parking lock command portion causes a piston to maintain a state of being mechanically locked at a second position when the shift position is shifted to the parking range. ... Mazda Motor Corporation

03/08/18 / #20180066625

Vehicle control device

A vehicle control device is provided, which includes an engine including an ignition plug oriented inside a combustion chamber, a component provided in or near an exhaust passage of the engine, a processor configured to execute a vehicle attitude controlling module for controlling an attitude of a vehicle by retarding an ignition timing of the ignition plug to reduce an engine torque so as to decelerate the vehicle, when a condition is satisfied, the condition being that the vehicle is traveling and a steering angle related value that is related to a steering angle of a steering device increases, and a torque reduction restricting module for restricting a reduction amount of the engine torque as at least one of an engine load and an engine speed increases during the vehicle attitude control.. . ... Mazda Motor Corporation

03/08/18 / #20180066600

Fuel injection control device for direct-injection engine

A fuel injection control unit (engine controller 100) performs a main injection (72) over a period ranging from a last stage of a compression stroke to an initial stage of an expansion stroke, and also performs a preceding injection (71), injecting a smaller amount of a fuel than the main injection, over a period ranging from an intake stroke to a first half of the compression stroke, and also determines whether or not the fuel injected by the preceding injection causes a partial oxidation reaction during a second half of the compression stroke, and on determining that the fuel causes the partial oxidation reaction, performs a middle-stage injection (73). The middle-stage injection is performed at such a timing that allows the fuel injected by the middle-stage injection to ignite spontaneously on or after the fuel injected by the main injection has spontaneously ignited and before the partial oxidation reaction occurs.. ... Mazda Motor Corporation

03/08/18 / #20180066599

Direct injection engine and control method thereof

A direct injection engine includes a fuel injection valve configured to inject fuel into a cylinder, a water injection valve configured to inject water into the cylinder, and a valve variable mechanism configured to change an operation timing of each of an intake valve and an exhaust valve. During an operation in a low load range, a negative overlap period when both of the intake valve and the exhaust valve are closed across an exhaust top dead center is formed by the valve variable mechanism, and fuel is injected from the fuel injection valve and water is injected from the water injection valve respectively during the negative overlap period. ... Mazda Motor Corporation

03/08/18 / #20180066577

Accessory support structure for vehicle engine

An accessory support structure for a vehicle engine includes a pair of accessory-side supports provided on the engine accessory, and a pair of engine-side supports provided on the engine body. The engine-side supports each have a shaft hole into which a bolt is inserted, a slot closer to the engine body than the shaft hole is, and extending substantially horizontally, and an intermediate portion interposed between the shaft hole and the slot to restrict movement of the bolt. ... Mazda Motor Corporation

03/08/18 / #20180066568

Structure for reducing amount of water splashed on vehicle engine

A transverse engine adjacent to a drive shaft includes an engine body having a crankshaft, a first pipe connected to the engine body and running such that an engine coolant flows therethrough, and an accessory drive system. The accessory drive system includes an endless outer belt wound between a crankshaft pulley and an alternator drive pulley. ... Mazda Motor Corporation

03/08/18 / #20180065671

Rear vehicle-body structure of vehicle

In a rear vehicle-body structure of a vehicle provided with rear side frames, a first deformation promotion portion (recess portions) to promote inward deformation of the rear side frame is provided at each of both-side side face portions of the rear side frame, a second deformation promotion portion (opening portions) to promote outward deformation of the rear side frame is provided at a lower face portion of the rear side frame, and the first deformation promotion portion and the second deformation promotion portion are alternately arranged in an axial direction of the rear side frame.. . ... Mazda Motor Corporation

03/08/18 / #20180065670

Rear vehicle-body structure of vehicle

A rear side frame comprises a front-side frame and a rear-side frame which is provided in back of the front-side frame and configured such that a strength thereof against compressing of an axial direction is lower than that of the front-side frame, a rear end portion of the front-side frame and a front end portion of the rear-side frame are overlapped, and another vehicle-body member is connected to an overlap portion where the rear end portion of the front-side frame and the front end portion of the rear-side frame are overlapped.. . ... Mazda Motor Corporation

03/08/18 / #20180065638

Device for controlling a vehicle

Disclosed herein is a device for controlling a vehicle. The device includes: a driving operation evaluator; a brake device controller for executing a brake hold control if a predetermined brake hold condition is met while the vehicle is stationary; and a threshold modifier. ... Mazda Motor Corporation

03/08/18 / #20180065627

Vehicle control system

Provided is a vehicle control device capable of efficiently performing vehicle control for safe driving assistance. A vehicle control device (ecu) (10) mounted in a vehicle is configured to: detect a stopped vehicle (3) located forward of the vehicle (1) in a traveling lane of the vehicle (1); set a speed distribution area (40) which defines a distribution of an allowable upper limit value of a relative speed of the vehicle (1) with respect to the stopped vehicle (3); detect a traveling state of a vehicle traveling in an adjacent lane of the vehicle (1); and, based on the traveling state of the vehicle in the adjacent lane and the speed distribution area (40) with respect to the stopped vehicle (3), execute an avoidance control of avoiding a collision with the stopped vehicle (3).. ... Mazda Motor Corporation

03/08/18 / #20180065473

Upper structure of vehicle engine

In a rear exhaust engine, an upper portion of a rear portion of a head cover is provided with a first flow redirecting member facing upward and extending rearward and downward toward an exhaust device. A shield cover extending in a width direction of a vehicle is provided behind the first flow redirecting member. ... Mazda Motor Corporation

03/01/18 / #20180058497

Connecting rod of engine

A connecting rod includes a rod having the form of a bar, a smaller end part, and a larger end part. The rod is provided with a friction generation portion at which friction is generated due to deformation of the rod.. ... Mazda Motor Corporation

03/01/18 / #20180058383

Homogeneous charge compression ignition engine

A homogeneous charge compression ignition engine includes a cylinder configured to accommodate a piston to be reciprocally movable, a fuel injection valve configured to inject fuel into the cylinder, a water injection valve configured to inject water into the cylinder, a fuel injection control module configured to inject fuel from the fuel injection valve into the cylinder at such a timing that a mixture of fuel and air is self-ignited in a latter stage of a compression stroke or in an initial stage of an expansion stroke, and a water injection control module configured to perform at least a basic water injection of injecting water from the water injection valve into the cylinder during a predetermined period, which starts concurrently with or after start of combustion by the self-ignition and which overlaps a combustion period.. . ... Mazda Motor Corporation

03/01/18 / #20180058366

Fuel injection control device for direct-injection engine

A fuel injection valve (6) is configured such that the effective opening area of an injection port (61) increases as its lift amount increases. A fuel injection control unit (an engine control unit 100) injects fuel in a lift amount changing mode wherein, when fuel is injected into a combustion chamber (17) in the terminal period of the compression stroke, the lift amount of the fuel injection valve is set to a predetermined large lift amount in the earlier period of the injection period, and in the later period of the injection period following the earlier period of the injection period, the lift amount is set to a small lift amount smaller than the large lift amount and is in a range where the fuel injection speed increases.. ... Mazda Motor Corporation

03/01/18 / #20180058365

Fuel property determining device and combustion control device for engine

A fuel property determining device for an engine is provided, which retards a fuel injection timing and determines a fuel property based on a combustion variation of the engine caused by the retarding. The device includes a first determining module for setting a retarding amount to a first setting amount at an early stage of the fuel property determination, and in a case where the variation is above a first given value when the first amount is set, suspending the retarding and determining that the fuel property is a first fuel property, and a second determining module for setting the retarding amount to a second setting amount in a case where the variation is below the first given value when the first amount is set, and determining the fuel property based on the variation caused when the second amount is set, the second amount being larger than the first amount.. ... Mazda Motor Corporation

03/01/18 / #20180058349

Fuel property determining device and combustion control device for engine

A fuel property determining device for an engine is provided, the device retarding a fuel injection timing and determining a fuel property based on a combustion variation of the engine caused by the retarding. The device includes a processor configured to control a parameter related to combustibility so as to degrade a combustion state before the fuel injection timing is retarded, the parameter being different from the fuel injection timing.. ... Mazda Motor Corporation

03/01/18 / #20180058344

Hydraulic control system for engine

A hydraulic control system for an engine having a plurality of cylinders includes: valve stop mechanisms that switch the engine from all-cylinder operation to cylinder cut-off operation; a vvt that can change the timing to open and close valves 14 during all-cylinder operation and cylinder cut-off operation; an oil pump that supplies oil to hydraulically operated devices including the valve stop mechanisms and the vvt through a hydraulic path; and a control device. The control device controls a maintaining oil pressure, which is required to maintain the operated state of the valve stop mechanisms during cylinder cut-off operation, so that the maintaining oil pressure is set to a high value in a high oil viscosity region.. ... Mazda Motor Corporation

03/01/18 / #20180056997

Vehicle control device

A vehicle control device mounted in a vehicle comprises an object detection section for detecting a connection path which is connected to a traveling road, a speed distribution area setting section for setting a speed distribution area, and an avoidance control execution section for executing avoidance control of changing the vehicle speed and/or a steering direction of the vehicle to prevent the vehicle speed from exceeding the allowable upper limit value in the speed distribution area, wherein the speed distribution area setting section is configured, upon detection of the connection path by the object detection section, to set the speed distribution area on an assumption that an object exists in a connection region between the detected connection path and the traveling road.. . ... Mazda Motor Corporation

03/01/18 / #20180056863

Driver's physical condition detection device and method

A driver's physical condition detection device for detecting a physical condition of a driver driving a vehicle includes a vehicle detector configured to detect a change in motion of the vehicle during driving, a driver detector configured to detect a change in motion of a head of the driver, and a physical condition determination portion configured to perform a determination process of determining whether or not the physical condition of the driver is deteriorated, based on the change in motion of the head of the driver with respect to the change in motion of the vehicle during driving.. . ... Mazda Motor Corporation

03/01/18 / #20180056433

Metallic member bonding device for pressing rod-shaped or cylindrical first metallic member into hole portion of annular second metallic member to bond the same and bonding method therefor

A metallic member bonding device includes a pressurizing unit, a current supply unit, and a deformation suppressing unit. The pressurizing unit pressurizes a first metallic member toward a hole portion of a second metallic member to press the first metallic member therein. ... Mazda Motor Corporation

03/01/18 / #20180055438

Driver's physical condition detection device and method

A driver's physical condition detection device for detecting a physical condition of a driver driving a vehicle, includes: a vehicle detector configured to detect a change in motion of the vehicle during driving; a driver detector configured to detect a change in motion of the driver; a calculator configured to calculate a follow-up degree of the change in motion of the driver with respect to the change in motion of the vehicle during driving; and a physical condition determination portion configured to perform a determination process of determining whether or not the physical condition of the driver is deteriorated, based on the follow-up degree.. . ... Mazda Motor Corporation

02/22/18 / #20180050743

Airflow straightening structure of automotive vehicle

An airflow straightening structure of an automotive vehicle, in which slits for traveling-air peeling off (separation) and connection portions for cover reinforcing are adjacently provided at a rear-end edge portion of a cover having a substantially-flat airflow straightening face extending in a vehicle longitudinal direction, wherein protrusions are provided to extend in a direction crossing the vehicle longitudinal direction along a cover surface of the cover which are positioned in front of the connection portions.. . ... Mazda Motor Corporation

02/15/18 / #20180044797

Repair agent and repair method for plated base, as well as plated base

Disclosed is a repair agent for a plated base including a plating layer which is disposed on a surface of a metal base and which includes a metal with a stronger tendency to ionization than metal comprising the metal base, the repair agent including a phosphoric acid compound and a phosphonic acid compound.. . ... Mazda Motor Corporation

02/08/18 / #20180038306

Direct injection engine

A fuel injection valve is caused to inject fuel in a latter half of a compression stroke in such a manner that a fuel concentration immediately before start of combustion is higher in a middle portion of a combustion chamber than in an outer peripheral portion thereof in a low load range where the engine load is lower than a predetermined set reference load. An intake valve driving device is controlled in such a manner that an intake valve closing timing in the low load range is advanced on a retard side with respect to an intake bottom dead center in a case where the engine speed is high, as compared with a case where the engine speed is low, and intake air within a cylinder is blown back toward an intake port at least in a range where the engine speed is low.. ... Mazda Motor Corporation

02/08/18 / #20180038302

Exhaust emission control system of engine

An exhaust emission control system of an engine, including an nox catalyst disposed in an exhaust passage for storing nox within exhaust gas when an air-fuel ratio of the exhaust gas is lean, and reducing the stored nox when the air-fuel ratio is approximately stoichiometric or rich, is provided. The system includes an scr catalyst disposed in the exhaust passage downstream of the nox catalyst and for purifying nox within exhaust gas by causing a reaction with ammonia, a controller executing a nox reduction controlling module for executing a control in which the air-fuel ratio is controlled to a target air-fuel ratio so that the stored nox is reduced, and an ammonia adsorption amount acquiring module for acquiring an ammonia adsorption amount of the scr catalyst by detection or estimation. ... Mazda Motor Corporation

02/08/18 / #20180038301

Exhaust emission control system of engine

An exhaust emission control system of an engine including a nox catalyst disposed in an exhaust passage and for storing nox within exhaust gas when an air-fuel ratio of the exhaust gas is lean, and reducing the stored nox when the air-fuel ratio is approximately stoichiometric or rich, is provided. The system includes a scr catalyst disposed downstream of the nox catalyst and for purifying nox by causing a reaction with ammonia, and a processor configured to execute a nox reduction controlling module for controlling the air-fuel ratio to a target ratio so that the stored nox is reduced. ... Mazda Motor Corporation

02/08/18 / #20180038274

Accessory mounting structure for engine

An accessory mounting structure for an engine includes an engine body, and a transmission disposed on an end of the engine body in the cylinder array direction and to which output of the engine is transmitted via a crankshaft of the engine body. When the output side of the crankshaft with respect to the transmission in the cylinder array direction is defined as a rear side, and the side of the crankshaft opposite to the rear side is defined as a front side, a fuel pump configured to feed fuel to an injector, and a starter configured to rotate the crankshaft at an engine start time are disposed on a rear end portion of an intake manifold mounting surface of the engine body. ... Mazda Motor Corporation

02/08/18 / #20180038258

Exhaust emission control system of engine

An exhaust emission control system of an engine including a nox catalyst for storing nox within exhaust gas when an air-fuel ratio thereof is lean, and reducing the nox when the air-fuel ratio is approximately stoichiometric or rich, the nox catalyst also functioning as an oxidation catalyst for oxidizing hc, is provided. The system includes a scr catalyst for purifying nox by causing a reaction with nh3, a urea injector, and a processor configured to execute a fuel injection controlling module, and a nox reduction controlling module for performing a nox reduction control to enrich the air-fuel ratio to a target ratio. ... Mazda Motor Corporation

02/08/18 / #20180038256

Exhaust emission control system of engine

An exhaust emission control system of an engine is provided including a nox catalyst for oxidizing hc and storing nox within exhaust gas when an air-fuel ratio of the exhaust gas is lean, and reducing the nox when the air-fuel ratio is approximately stoichiometric or rich. The system includes a scr catalyst for purifying nox by causing a reaction with nh3, a urea injector, a fuel injection controlling module, and a processor configured to execute a nox reduction controlling module for performing a nox reduction control to enrich the air-fuel ratio to reach a target ratio. ... Mazda Motor Corporation

02/01/18 / #20180031831

Device controlling range of vision

An edge of, for example, a windshield which serves as range of vision is defined by front pillars, a roof, and a dashboard. A modification area is provided at a peripheral portion of the windshield. ... Mazda Motor Corporation

02/01/18 / #20180030875

Engine exhaust structure

A exhaust gas purifier includes a case having a flat transverse section including a pair of facing short sides and a pair of facing long sides, and configured to house a catalytic converter, and an inlet cone including a conical portion, and configured to connect an outlet of the turbine to an inlet of the case. The conical portion includes an inclined wall inclined from a mainstream of the exhaust gas to increase the transverse section of a path of the exhaust gas. ... Mazda Motor Corporation

02/01/18 / #20180030867

Oil supply device of engine, method of manufacturing engine, and oil supply passage structure of engine

An object of the present invention is to simplify portions of an oil supply passage which portions are formed at a cylinder block. An oil supply device according to the present invention includes a cylinder block, an oil pan, an oil pump, and an oil filter. ... Mazda Motor Corporation

02/01/18 / #20180029649

Front vehicle-body structure of vehicle

A front vehicle-body structure of a vehicle comprises a front frame, an apron reinforcement, and a suspension housing, wherein the front frame includes a frame outer and a frame inner, the frame outer and the frame inner having respective upward projection portions which are joined together to form a flange portion of the front frame, the suspension housing includes an outward-side joint portion which is joined to an outer face of the front frame and an inward-side joint portion which is joined to an outward side face, in the vehicle width direction, of the flange portion, the outward-side joint portion and the inward-side joint portion being aligned in the longitudinal direction.. . ... Mazda Motor Corporation

02/01/18 / #20180029643

Front vehicle-body structure of vehicle

A front vehicle-body structure of a vehicle comprises a front frame which extends in a longitudinal direction, an apron reinforcement which is positioned above and on an outward side, in a vehicle width direction, of the front frame and extends in the longitudinal direction, and a suspension housing which is provided to be laid between the front frame and the apron reinforcement and accommodating a suspension therein, wherein the suspension housing includes a narrow-width portion which has the narrowest width in the longitudinal direction in an upper view, and a suspension tower portion where a damper member of the suspension is attached is formed at a portion of the suspension housing which includes the narrow-width portion.. . ... Mazda Motor Corporation

02/01/18 / #20180029542

Wire harness arrangement structure of vehicle

The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal. The plural electric components include at least a brake, an engine, a transmission, and a steering, and the plural main wire harnesses constitute a signal transmission loop which extends from the main control part and returns to the main control part by way of the plural component control parts.. ... Mazda Motor Corporation

02/01/18 / #20180029541

Wire harness arrangement structure of vehicle

The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal to the plural component control parts. The plural electric components include at least a brake, an engine, a transmission, and a steering, the plural main wire harnesses comprise first signal transmission routes which extend from the main control part to the plural component control parts, respectively, and second signal transmission routes which extend from the main control part to the plural component control parts, respectively, and the command signal is transmitted to the main control part to the plural component control parts through the first and second signal transmission routes.. ... Mazda Motor Corporation

01/25/18 / #20180023427

Engine oil feeding device

An engine oil feeding device is provided, which includes a variable-displacement oil pump having an operating chamber and a control oil-pressure chamber, and for changing a capacity of the operating chamber according to a pressure of the control oil-pressure chamber to change its discharging amount, an oil supply channel communicating with the operating chamber and coupled to an oil fed part, and an oil filter. The oil supply channel includes a pump downstream oil channel connecting the operating chamber with the filter and a control oil channel branched from the pump downstream oil channel and coupled to the control oil-pressure chamber. ... Mazda Motor Corporation

01/25/18 / #20180022396

Reinforcing structure of vehicle body

There are provided a floor panel, a tunnel portion which is provided to protrude at the floor panel, a pair of right-and-left tunnel side frames, a pair of right-and-left floor frames, and a band plate which is made from carbon fiber reinforced plastic, an inward end portion which being connected to the tunnel side frame and an outward end portion of which being connected to the floor frame, wherein the band plate portion includes a first displacement following portion which is configured to be displaced, following displacement of the tunnel side frame and a second displacement following portion which is configured to be displaced, following displacement of the floor frame, and the first displacement following portion and the second displacement following portion are configured to be asymmetrical relatively to a longitudinal-directional axis.. . ... Mazda Motor Corporation

01/25/18 / #20180022389

Lower vehicle-body structure of automotive vehicle

An auxiliary device is provided in a space below a portion of a floor panel which is positioned between a floor frame and a tunnel side member which extend in a longitudinal direction, members which extend in a vehicle width direction and straddle the floor frame which is positioned on the side of the auxiliary device and a tunnel side member which is positioned on the opposite side to the auxiliary device, and a yield strength of the vehicle width direction of tunnel corresponding portions, in a width direction, of the members which correspond to a tunnel portion is set to be lower than that of auxiliary-device corresponding portions, in the width direction, of the members which correspond to the auxiliary device.. . ... Mazda Motor Corporation

01/18/18 / #20180017003

Exhaust emission control system of engine

An exhaust emission control system of an engine is provided, which includes a nox catalyst disposed in an exhaust passage for storing nox within exhaust gas when an air-fuel ratio of the exhaust gas is lean, and reducing the stored nox when the air-fuel ratio is approximately stoichiometric or rich. A processor executes a nox reduction controlling module for performing, when the nox stored amount exceeds a given amount, a nox reduction control in which a fuel injector performs a post injection of fuel to continuously control the air-fuel ratio to a target ratio so that the stored nox is reduced to be below a given amount, the target air-fuel ratio being a ratio at which the stored nox is reducible, the post injection causing the injected fuel to combust inside a cylinder, the execution of the control permitted when an engine load is within a medium load range.. ... Mazda Motor Corporation

01/18/18 / #20180017002

Exhaust emission control system of engine

An exhaust emission control system of an engine is provided, which includes a nox catalyst disposed in an exhaust passage for storing nox within exhaust gas when an air-fuel ratio of the exhaust gas is lean, and reducing the stored nox when the air-fuel ratio is approximately stoichiometric or rich. A processor executes a nox reduction controlling module for performing a nox reduction control in which a fuel injector performs a post injection to control the air-fuel ratio to a target ratio, and an egr controlling module for controlling an egr valve to recirculate egr gas. ... Mazda Motor Corporation

01/18/18 / #20180015958

Structure for mounting vehicle heat exchanger

Disclosed herein is a structure for mounting a heat exchanger in a vehicle. The structure includes a shroud, and a mount supporting a supported portion and allowing vertical vibrations of the supported portion with respect to each side of the shroud in a vehicle width direction. ... Mazda Motor Corporation

01/04/18 / #20180001888

Vehicle behavior control device

A vehicle behavior control device for controlling a vehicle equipped with a steering apparatus comprises: a pcm operable to acquire a steering speed in the steering apparatus, and, when the steering speed becomes equal to or greater than a given threshold (ts1) which is greater than 0, to reduce a driving force for the vehicle according to the steering speed, wherein the steering apparatus comprises a steering shaft coupled to the steering wheel and rotatable together with the steering wheel, wherein the steering shaft has a torsion bar whose torsional rigidity about a rotational axis of the steering shaft is less than a remaining portion of the steering shaft. The steering speed acquisition section is configured to acquire the steering speed of the steering apparatus at a position on the side of the front road wheels with respect to the low rigidity portion.. ... Mazda Motor Corporation

01/04/18 / #20180001857

Arrangement for mounting occupant protection device

Disclosed herein is a structure for mounting an occupant protection system in a vehicle. The structure includes an electric power steering device (1) and a knee protection air bag assembly (51). ... Mazda Motor Corporation

01/04/18 / #20180001752

Vehicle rear structure

A vehicle rear structure is applied to a vehicle, in which at least one of a roof and a rear window is capable of being accommodated in a vehicle body. The structure includes a deflection plate standing upright between a pair of seats on the rear side of the seats, and a light source provided on the lower front side of the deflection plate. ... Mazda Motor Corporation

01/04/18 / #20180001725

Rear suspension structure of automotive vehicle

In a rear suspension device of an automotive vehicle, a shock absorber is provided perpendicularly to a h-shaped lower arm in a side view, respective axis of resilient bushes of pivotal portions which pivotally support upper and lower arms at a vehicle-body side are configured to be parallel to a standard line which extends in a vehicle longitudinal direction in a plan view, and an imaginary axial line which interconnects respective centers of front and rear connection portions, via which the lower arm is connected to a wheel side, is configured to extend obliquely forward and inward relatively to the vehicle longitudinal direction.. . ... Mazda Motor Corporation

01/04/18 / #20180001723

Front suspension structure of automotive vehicle

In a double-wishbone type front suspension structure, upper and lower arms are pivotally supported at a vehicle-body side via front-and-rear pivotal portions, axial lines of resilient bushes of the front and rear pivotal portions of the arms extend in a longitudinal direction, a knuckle-side pivotal portion of the upper arm is positioned in back of a knuckle-side pivotal portion of the lower arm, and a lower end portion of a damper unit provided between a vehicle body and the lower arm is connected to the lower arm such that the damper unit is positioned perpendicularly to the axial lines of the lower arm in a side view and an upper end portion is pivotally supported at the vehicle body via a rotational axis extending in the longitudinal direction.. . ... Mazda Motor Corporation

12/28/17 / #20170370272

Engine cooling device

An engine cooling device includes a heater circulation passage including an exhaust-side channel and a heater channel, the exhaust-side channel extending through an exhaust port-side portion of a cylinder head, the heater channel extending through a heater core; an auxiliary device circulation passage including a main channel and an auxiliary device channel, the main channel extending through a portion of the cylinder head other than the exhaust port-side portion, the auxiliary device channel extending through an auxiliary device; a temperature detecting portion configured to detect a temperature of an engine; and a channel switching valve configured to perform connection between the main channel and the auxiliary device channel and connection between the heater circulation passage and the auxiliary device circulation passage depending on the detected temperature falling within one of three temperature ranges.. . ... Mazda Motor Corporation

12/21/17 / #20170363051

Supercharged engine

A supercharged engine is provided, which includes an engine body having cylinders, an intake passage disposed outside the engine body and connected to the cylinders via intake ports, a supercharger provided in the intake passage and spaced apart from an intake-side side surface of the engine body, the intake-side side surface being connected to the intake passage, and a fuel pump disposed on the intake-side side surface. A portion of the intake passage constitutes an intervening part located between the supercharger and the engine body. ... Mazda Motor Corporation

12/21/17 / #20170362986

Exhaust device of engine

An exhaust device of an engine is provided, which includes an exhaust port formed in a cylinder head and connected to an exhaust aperture of a cylinder, an exhaust manifold disposed on a side surface of the cylinder head and formed with a first exhaust passage, an exhaust path constituting part disposed on a side of the exhaust manifold opposite from the cylinder head, and formed with a second exhaust passage, a catalyst disposed on a downstream side of the exhaust path constituting part, an upstream gasket disposed between the side surface of the cylinder head and an upstream connecting member of the manifold, and a downstream gasket disposed between a downstream connecting member of the manifold and an exhaust-manifold-side connecting member of the exhaust path constituting part. The upstream gasket has a larger thermal resistance in an exhaust gas flow direction than the downstream gasket.. ... Mazda Motor Corporation

12/21/17 / #20170361847

Control system of a four-wheel drive vehicle and gradient value setting device of a vehicle

A control system of a four-wheel drive vehicle and a gradient value setting device of the vehicle is provided so as to reliably control a wheel skid despite the vehicle facing an intersecting direction intersecting a maximum tilt line direction. The vehicle includes an engine, front and rear wheels, an electronic control 4wd coupling, and a control unit. ... Mazda Motor Corporation

12/14/17 / #20170358097

Texture evaluation system

The present disclosure attempts to evaluate how the texture of an object is perceived based on visual features of the topological skeleton of the object. A camera s1 obtains a color image by taking an image of an object, which serves as an evaluation target. ... Mazda Motor Corporation

12/14/17 / #20170356330

Combustion chamber structure for direct injection engine

A fuel injection valve is provided for a ceiling portion of a cylinder head. A tip of an ignition electrode is arranged in the vicinity of an injection tip of the fuel injection valve. ... Mazda Motor Corporation

12/07/17 / #20170350328

Controller and control method for internal combustion engine

To provide a controller and a control method, for an internal combustion engine, that can detect occurrence of knocking appropriately, even though the frequency distribution of the knock signal is distorted according to the occurrence state of knocking. The controller for the internal combustion engine calculates the background level by processing a low pass filter to the knock signal; and performs a low side frequency increase which makes a low side frequency, which is a cutoff frequency of the low pass filter in the case where the knock signal is smaller than an output value of the low pass filter, higher than a high side frequency, which is a cutoff frequency of the low pass filter in the case where the knock signal is larger than the output value of the low pass filter.. ... Mazda Motor Corporation

12/07/17 / #20170349124

Front vehicle-body structure

An impact absorbing member is provided below a fascia upper member (upper-face forming member) which forms an upper face of a front end portion of a vehicle. The impact absorbing member comprises a front side part which includes a front wall portion, a top wall portion, and a rear wall portion so as to have a u-shaped cross section opening downward and a flat-plate shaped rear side part which extends rearward from a lower end of the rear wall portion. ... Mazda Motor Corporation

11/30/17 / #20170343799

Display apparatus for vehicle

There are provided right and left side-rearward cameras, an inside camera to detect a driver's eyeball position, main huds comprising projectors to form virtual images by projecting image information picked up by the cameras to reflecting mirrors and drive portions to adjust positions of the virtual images, and a ecu to control the projectors and the drive portions. The controller is configured to perform the process of calculating a distance between the eyeball position and a normal virtual-image display position which is located at a front end and an end portion, in a vehicle width direction, of a bonnet, and controlling the main huds such that a normal main view v1 is displayed at the normal virtual-image display position.. ... Mazda Motor Corporation

11/30/17 / #20170342895

Turbocharger engine

A turbocharger engine includes an engine body and a turbocharger. The turbocharger includes a large turbo unit having a large turbine chamber, a large compressor chamber, and a large turbine shaft extending between the two chambers; and a small turbo unit having a small turbine chamber, a small compressor chamber, and a small turbine shaft extending between the two chambers. ... Mazda Motor Corporation

11/30/17 / #20170342894

Turbocharger engine

A turbocharger engine includes a dual stage turbocharger in which a first turbo unit is disposed on the upstream side of a second turbo unit on an exhaust passage. The turbocharger is disposed in such a manner that a second turbine shaft of the second turbo unit is far from an engine output shaft than a first turbine shaft of the first turbo unit in a plan view in an axis direction of a cylinder. ... Mazda Motor Corporation

11/23/17 / #20170335963

Method and device for controlling automatic transmission

A method of controlling an automatic transmission is provided. The automatic transmission includes a piston having first and second surfaces opposite from each other, friction plates, engaging and disengaging hydraulic pressure chambers for supplying/discharging hydraulic pressure and directing the piston to push the friction plates to be engaged and disengaged, a hydraulic pressure control valve for supplying/discharging hydraulic pressure to/from the chambers, and first and second oil paths communicating the valve with the chambers. ... Mazda Motor Corporation

11/23/17 / #20170335962

Method and device for controlling automatic transmission

A method of controlling an automatic transmission is provided. The automatic transmission includes first and second frictional engageable elements and a hydraulic mechanism. ... Mazda Motor Corporation

11/23/17 / #20170335953

Method and device for controlling automatic transmission

A method of controlling an automatic transmission is provided. The automatic transmission includes a piston having first and second surfaces opposite from each other, friction plates, engaging and disengaging hydraulic pressure chambers for supplying and discharging hydraulic pressure and directing the piston to push the friction plates to be engaged and disengaged, a hydraulic pressure control valve for supplying and discharging hydraulic pressure to and from the chambers, first and second oil paths communicating the valve with the chambers, and a pressure reducing valve disposed in the second oil path and for preventing hydraulic pressure of the disengaging hydraulic pressure chamber from exceeding a given set pressure. ... Mazda Motor Corporation

11/23/17 / #20170335952

Method and device for controlling automatic transmission

A method of controlling an automatic transmission is provided. The automatic transmission includes a piston having first and second surfaces opposite from each other, friction plates, engaging and disengaging hydraulic pressure chambers for supplying hydraulic pressure and directing the piston to push the friction plates to be engaged and disengaged, a hydraulic pressure control valve for supplying and discharging hydraulic pressure to and from the chambers, and first and second oil paths communicating the valve with the chambers. ... Mazda Motor Corporation

11/23/17 / #20170335951

Method and device for controlling automatic transmission

A method of controlling an automatic transmission mounted on a vehicle having an automatic engine stop mechanism for automatically stopping and restarting an engine, is provided. The transmission includes a piston having first and second surfaces, friction plates, engaging and disengaging hydraulic pressure chambers, a hydraulic pressure control valve for supplying/discharging hydraulic pressure to/from the chambers, first and second oil paths communicating the control valve with the chambers, a pressure reducing valve for preventing pressure of the disengaging chamber from exceeding a given set pressure, a hydraulic pressure supply device for supplying pressure to the control valve in the automatic stop state, and a mechanical oil pump for supplying pressure to the control valve while the engine is driving, the second surface having a larger pressure receiving area than the first surface. ... Mazda Motor Corporation

11/23/17 / #20170335725

Flexible-fuel engine

In a flexible-fuel engine capable of using fuel containing alcohol as fuel to be combusted in a cylinder, the geometric compression ratio is set to 12 or more, the engine is started by using fuel containing alcohol, an intake valve closing timing at an engine start time is set to an advance angle side than a first reference timing being a timing corresponding to a most retarded angle position out of intake valve closing timings capable of starting the engine in combusting fuel of alcohol 100% in the cylinder at a first intake temperature, and is set to a timing on a retarded angle side than a second reference timing being a timing corresponding to a most advanced angle position out of intake valve closing timings capable of avoiding pre-ignition in combusting fuel of gasoline 100% at an engine start time at a second intake temperature.. . ... Mazda Motor Corporation

11/23/17 / #20170334443

Vehicle control apparatus capable of giving continuity to reactive perception quantities of cooperative operation perceived by occupant

A vehicle control apparatus includes: a plurality of operation devices, a plurality of reaction applying devices, a plurality of driving devices, and control device. The control device is capable of controlling the plurality of reaction applying devices and the plurality of driving devices. ... Mazda Motor Corporation

11/23/17 / #20170334438

Vehicle control apparatus for controlling continuous cooperative operation of plurality of operation devices

A vehicle control apparatus includes: a plurality of operation devices receive operations from an occupant; a plurality of driving devices operate a vehicle with operation quantities applied to the plurality of operation devices; and a control device controls the plurality of driving devices. The control device includes: first and second operating characteristics; and correction device. ... Mazda Motor Corporation

11/16/17 / #20170328301

Method of producing piston for engine

An object of the present invention is to, while forming a heat insulating layer on a squish area surface of a top surface of a piston main body, prevent generation of large cracks on the heat insulating layer and suppress damages and peeling of the heat insulating layer. To achieve this object, in the present invention, pressure is applied to a heat insulating layer provided on a top surface of a piston main body, that is, a pressing stress is applied to the heat insulating layer in advance.. ... Mazda Motor Corporation

11/16/17 / #20170328300

Heat insulation structure of combustion chamber of engine

An object of the present invention is to, while forming a heat insulating layer on a squish area surface of a top surface of a piston main body, prevent generation of large cracks on the heat insulating layer and suppress damages and peeling of the heat insulating layer. To achieve this object, in the present invention, a heat insulating layer on a squish area surface of a top surface of a piston main body is made thinner than a heat insulating layer on a cavity surface of the top surface of the piston main body.. ... Mazda Motor Corporation

10/26/17 / #20170305470

Vehicle-body structure of vehicle

A vehicle-body structure of a vehicle includes a first frame forming a closed cross-section portion, a reinforcing member disposed in the closed cross-section portion and connected to the first frame, and another vehicle-body member connected to an outer surface of the first frame. A connection portion of the first frame and the reinforcing member includes a rigid joint portion where the first frame and the reinforcing member are joined, and a flexible joint portion where the first frame and the reinforcing member are joined, with a damper member being disposed therebetween. ... Mazda Motor Corporation

10/26/17 / #20170305469

Body structure of vehicle

A body structure of a vehicle includes a first panel and a second panel that form a closed cross-sectional portion, a partitioning panel that partitions the closed cross-sectional portion, and a reinforcement member disposed between the first panel and the partitioning panel, and includes a panel joining portion joined to the first panel, and a flange portion joined to the partitioning panel. A joining portion formed by the reinforcement member includes a rigid coupling portion in which the first panel and the panel joining portion are coupled to each other while being in contact with each other, and a flexible coupling portion in which the partitioning panel and the flange portion are coupled, with a damping member being provided therebetween. ... Mazda Motor Corporation

10/12/17 / #20170292480

Air intake device of engine with supercharger

An air intake device includes a bypass passage which makes a portion of an air intake passage on an upstream side of a compressor and a portion of the air intake passage on a downstream side of the compressor communicate with each other, and a bypass passage open/close valve which opens or closes the bypass passage. The air intake passage includes a first passage extending toward an upstream side from the compressor along a first direction, a bent portion bent from an upstream end of the first passage in a second direction, and a second passage extending from an upstream end of the bent portion along the second direction. ... Mazda Motor Corporation

10/12/17 / #20170292436

Diesel engine

A diesel engine of the present invention includes a turbocharger including: a turbine provided on an exhaust passage; a compressor provided on an intake passage; and a plurality of nozzle vanes provided around the turbine to control a flow velocity of an exhaust gas colliding with the turbine, angles of the nozzle vanes being changeable. In a case where a ratio of a volume of a combustion chamber when the intake valve is closed to a volume of the combustion chamber when a piston is located at a top dead center is denoted by an effective compression ratio εe, and a total displacement of the engine is denoted by v (l), the effective compression ratio εe is set to satisfy formula (1) “−0.67×v+15.2≦εe≦14.8.”. ... Mazda Motor Corporation

10/12/17 / #20170291401

Multilayer coating film and coated object

An multi-layer coating film 12 includes: a luster coat 15 containing a luster material; a color coat 16 applied on the luster coat 15, containing a pigment 21, and having translucency; and a coloring flake 22 included in the luster coat 15 and acting as the luster material to color a surface of a luster flake with a coloring material in the same type of color as a color type of the color coat 16.. . ... Mazda Motor Corporation

10/05/17 / #20170287193

Vehicular display device

A vehicular display device mounted on a vehicle, including: a display panel; a display controller that displays an opening animation image in a predetermined display region of the display panel; and a detector that detects a getting-in action associated with an occupant getting in the vehicle, wherein the display controller displays a checklist in the predetermined display region as information relating to the vehicle after a driving source for traveling of the vehicle is started, the display controller starts a display operation of displaying the opening animation image in the display region when the getting-in action is detected by the detector, and continues the display operation at least until the checklist is displayed, and the display controller displays, as the opening animation image, an animation image in which an image display operation of changing a display form of a graphic object is periodically repeated, on the display panel.. . ... Mazda Motor Corporation








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