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Hitachi Automotive Systems Ltd patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hitachi Automotive Systems Ltd-related inventors


 new patent  Power steering apparatus

A power steering apparatus includes: a first detection element arranged to sense a rotation angle of the first gear based on a variation of a magnetic field generated by the first magnetic member; a second detection element arranged to sense a rotation angle of the second gear based on a... Hitachi Automotive Systems Ltd

 new patent  Control device for fuel injection valve

The present invention determines whether multi-stage injection control is operating normally or abnormally, and carries out a failsafe of multi-stage injection control as necessary. The present invention, which solves the problem described above, has means such as the following. The invention is provided with fuel injection valves provided respectively to... Hitachi Automotive Systems Ltd

 new patent  Fuel injection valve, control device for fuel injection valve, and control method

The purpose of the present invention is to provide a control means which, with respect to injection control of a fuel injection valve, reduces deviation between an injection quantity of fuel injected by the fuel injection valve and a target value, the deviation being caused due to a pressure in... Hitachi Automotive Systems Ltd

 new patent  Fuel injection valve

In order to solve the above problems, a fuel injection valve according to the present invention includes a valve seat portion, a valve body which is seated on or separated from the valve seat portion, an injection hole which is formed on a downstream side from the valve seat portion,... Hitachi Automotive Systems Ltd

 new patent  Power transmission shaft

A power transmission shaft comprises a shaft unit interposed between first and second shafts; an engaged portion provided on one end of the second shaft and having an annular stepped part provided between a smaller diameter portion and a larger diameter portion; and an engaging portion provided on one end... Hitachi Automotive Systems Ltd

 new patent  Fluidic damper

The first piston body includes a first passage which has a first opening that opens to the first chamber on the coupling surface with the second piston body and extends in the axial direction, and a second passage which has a second opening on the coupling surface, extends in the... Hitachi Automotive Systems Ltd

 new patent  Power converter

An object of the present invention is to reduce wire inductance without damaging manufacturability of a power converter. A power converter according to the present invention includes a power semiconductor module, a capacitor, and DC bus bars and. The capacitor smooths a DC power. The DC bus bars and transmit... Hitachi Automotive Systems Ltd

Semiconductor sensor device

The purpose of the present invention is to improve the pressure resistance of a cavity in a semiconductor sensor device employing a resin package, and to do so without adversely affecting the embeddability of an electrically conductive member. The semiconductor sensor device has a gap 1a sealed in an airtight... Hitachi Automotive Systems Ltd

Power transmission shaft

A power transmission shaft is interposed between a first shaft section and a second shaft section. The power transmission shaft comprises: a cylindrical section rotated integrally with a shaft section and formed cylindrically; a through hole disposed in the cylindrical section and penetrated radially with respect to a rotational axial... Hitachi Automotive Systems Ltd

Power steering device

A power steering device includes: first and second load transition regions provided in first and second predetermined ranges in a nut side ball screw groove from the other end side openings of the first and second connection passages along the nut ball screw groove, formed so that radial distances between... Hitachi Automotive Systems Ltd

Electronic control device for vehicular automatic transmission

The present invention addresses the problem of obtaining an electronic control device for a vehicular automatic transmission that suppresses sudden acceleration, sudden deceleration, and gear shift shock that occur when the transmission moves into a fail-safe mode due to the electronic control device stopping during a main CPU abnormality. An... Hitachi Automotive Systems Ltd

Power module

A power module includes a base plate, first, second, and third semiconductor chips. At least one of a third edge or fourth edge of the first semiconductor chip is disposed adjacent to a side end of the base plate. Among a half of a distance from a first edge of... Hitachi Automotive Systems Ltd

Electric driving device and electric power steering device

The present invention is configured such that an electronic control assembly is divided into a power-supply circuit unit mounted on a metal substrate, a power-conversion circuit unit mounted on a metal substrate, and a control circuit unit mounted on a resin substrate; a power-supply-connector wiring part, which supplies electric power... Hitachi Automotive Systems Ltd

Onboard control apparatus

Provided is an onboard control apparatus (ECU) having a thermal radiating coating film capable of efficiently radiating heat generated from an electronic component to the outside of the casing. An onboard control apparatus includes: a circuit board stored in a housing; an electronic component mounted on the circuit board; and... Hitachi Automotive Systems Ltd

Electronic control device

A stress mitigation region is formed in which a predetermined number of stress mitigation holes penetrating through a wiring are disposed is formed in a proximity of a bonding portion of an electronic component via which the electronic component is bonded to the wiring with an electrically conductive bonding agent.... Hitachi Automotive Systems Ltd

Sensor system and device

The invention achieves a lower noise of a sense signal of a FET-type hydrogen sensor. For solving the above problem, one aspect of a sensor system of the invention includes a reference device and a sensor device configured using FETs on a substrate, and further, well potentials of the reference... Hitachi Automotive Systems Ltd

Electric brake system

An electric brake system includes at least a pair of braking apparatuses each configured to advance a piston for pressing a frictional member against a rotational member rotatable together with a wheel and configured to press the frictional member against the rotational member with use of an electric mechanism according... Hitachi Automotive Systems Ltd

Valve timing control device for internal combustion engine

Provided are: a rear plate 13 enclosing an axial end opening of a housing body; a lock pin 30 configured to travel forward and backward in a slide hole formed in a first vane of a vane member; and an annular lock-hole-forming part 31 press-fitted to a retaining hole 13c... Hitachi Automotive Systems Ltd

Fuel injection valve

The fuel injection valve of the present invention includes the valve element configured to come into contact with the valve seat for closing an injection hole and to separate from the valve seat for unclosing the injection hole, an elastic member urging the valve element toward the valve seat, a... Hitachi Automotive Systems Ltd

Thermal flow meter with a case having a resin housing which supports a circuit package

Provided is a thermal flow meter to improve the measurement accuracy of a temperature detector provided in a thermal flow meter is a thermal flow meter to improve the measurement accuracy of a temperature detector provided in a thermal flow meter. The thermal flow meter includes a bypass passage through... Hitachi Automotive Systems Ltd

Humidity measuring device

The present invention obtains a humidity measuring device capable of performing self-diagnosis with high reliability. This humidity measuring device 20 has a diagnosis processing unit 25 for performing self-diagnosis by using gas temperatures and gas humidities before and after a gas in an ambient atmosphere to be measured is heat-controlled.... Hitachi Automotive Systems Ltd

Sensor system and device

The invention achieves a lower noise of a sense signal of a FET-type hydrogen sensor. For solving the above problem, one aspect of a sensor system of the invention includes a reference device and a sensor device configured using FETs on a substrate, and further, well potentials of the reference... Hitachi Automotive Systems Ltd

Inverter control device

In a multilayer printed circuit board (circuit board 20) having an inverter (switching elements 22) mounted thereto, only a second wiring pattern P2 arranged downstream of a semiconductor relays 24 and able to shut off an electric power supply and a third wiring pattern P3 arranged upstream of a shunt... Hitachi Automotive Systems Ltd

Vehicle control device

This vehicle control device is provided with a first and second constant voltage generation circuit that each output a voltage to a load, and when either the first or second constant voltage generation circuit outputs a voltage that exceeds a reference voltage, cuts off the output of that constant voltage... Hitachi Automotive Systems Ltd

Thermal flow meter including a cover mounted on a housing and where a bypass passage is formed by the cover and bypass passage trench

The present invention has been made to improve measurement accuracy of a thermal flow meter. In the thermal flow meter according to the invention, a circuit package (400) that measures a flow rate is molded in a first resin molding process. In a second resin molding process, a housing (302)... Hitachi Automotive Systems Ltd

Fault detection apparatus

An object of the present invention is to enhance fault detection accuracy offered by a fault detection apparatus. A microcomputer reads a characteristic signal input thereto. The microcomputer compares a characteristic read from the characteristic signal with a previously established reference value. The previously established reference value represents a characteristic... Hitachi Automotive Systems Ltd

Electronic device

An electronic device includes electronic components and an epoxy resin portion which seals the electronic components. The electronic device is disposed in a refrigerant which cools the electronic components. A first layer having a three-dimensional crosslinking structure is formed on a surface or inside of the epoxy resin portion. The... Hitachi Automotive Systems Ltd

Brake device

Provided is a brake device capable of maintaining pads and a rotor in a desired positional relationship. When receiving a release request within a time period from start of execution of an application request to detection of contact between brake pad and a disc rotor, a parking brake control device... Hitachi Automotive Systems Ltd

Valve mechanism and high-pressure fuel supply pump including valve mechanism

Provided is a solution to a problem on a discharge valve mechanism disposed at an exit of a pressurizing chamber of a high-pressure fuel supply pump, that is, an occurrence of a backward flow of the fuel concentrates on a limited fuel passage, leading to a higher fuel flow rate,... Hitachi Automotive Systems Ltd

Vehicle control device

The present invention provides a vehicle control device with which, even when an abnormality is detected in a core in a multi-core processor, it is possible to reduce the time needed until the core in which the abnormality is detected restarts and re-executes application software. The present invention is characterized... Hitachi Automotive Systems Ltd

Power supply device

A power supply device 1 according to the present invention includes a bidirectional DC-DC converter 3 and an insulated DC-DC converter 4. The bidirectional DC-DC converter 3 receives a main battery 5 and outputs a direct-current link voltage Vlink. The insulated DC-DC converter 4 receives the link voltage Vlink and... Hitachi Automotive Systems Ltd

Power converter

The present invention aims to provide a power converter, which includes a plurality of switching power supply devices connected in parallel, with a circuit configuration that enables reduction of cost and a size of the power converter. The present invention relates to a power converter including at least a first... Hitachi Automotive Systems Ltd

Brake unit

A brake unit (1) includes: a master cylinder (2) unit which is fixed to a vehicle body, and which includes a master cylinder (2b) that is received within a first housing (20), and that is arranged to be interlocked with a brake pedal; and a pump unit (3) which is... Hitachi Automotive Systems Ltd

Rotational angle detection apparatus and power steering apparatus

An object of the present invention is to provide a rotational angle detection apparatus and a power steering apparatus capable of detecting a rotational angle of a rotational shaft eve when a failure has occurred in a magnetic detection portion. One aspect of the present invention is a rotational angle... Hitachi Automotive Systems Ltd

Piston for internal combustion engine, and process and device for producing said piston

This piston includes a low thermal conductivity part comprising: a porous member made of a borosilicate glass that has a lower thermal conductivity than the piston base material made of an aluminum alloy material that is the base material impregnated into the porous member. A molded object obtained from a... Hitachi Automotive Systems Ltd

12/07/17 / #20170353071

Rotary electric machine and vehicle provided with the same

Provided is a high-torque low-noise rotary electric machine. In a rotary electric machine, a jumper conductor having a normal slot pitch connects slot conductors by striding slots with a slot pitch “Np=N(=6)” in one of coil ends and striding slots with a slot pitch “Np=N(=6)” in the other coil end,... Hitachi Automotive Systems Ltd

12/07/17 / #20170353082

Electric drive apparatus, and electric power steering apparatus

In an electric power steering apparatus, a motor housing includes an axial end part opposite to an output part of an electric motor. An electronic control section is arranged at the axial end part of the motor housing. The electronic control section includes a control circuit part, a power supply... Hitachi Automotive Systems Ltd

12/07/17 / #20170353091

Coil forming device and coil of a rotating electric device

A coil forming device according to the present invention includes: a first bending unit 200A that performs a compression bending process with respect to a linear conductor; and a second bending unit 200B that performs a draw bending process with respect to the linear conductor, wherein the first bending unit... Hitachi Automotive Systems Ltd

12/07/17 / #20170353118

Power conversion device

An object of the invention is to suppress that resistance against vibrations is reduced, while reducing the number of components. A power conversion device according to the present invention includes: a power semiconductor module that converts a DC current into an AC current; a plate conductor that transfers the DC... Hitachi Automotive Systems Ltd

11/30/17 / #20170341652

Vehicle control system

The present invention addresses the problem that a host vehicle changes lanes and comes into contact with a following vehicle or causes the following vehicle to rapidly decelerate when the other vehicle rapidly approaches the host vehicle from outside a recognizable zone in the presence of another vehicle traveling in... Hitachi Automotive Systems Ltd

11/30/17 / #20170341681

Water detection system and electric power steering apparatus

Provided is a water detection system and an electric power steering apparatus capable of preventing or reducing complication of an apparatus with respect to a water detection system including a water detection element and a determination circuit positioned separately from each other. The water detection system includes a transmission-side unit... Hitachi Automotive Systems Ltd

11/30/17 / #20170342935

High-pressure fuel supply device for internal combustion engine

Provided is a high-pressure fuel supply device for an internal combustion engine, said device being capable of suppressing noise from collisions of a plunger rod and an air intake valve. A high-pressure fuel pump 108 comprises an intake valve, a plunger rod that is formed as a separate element from... Hitachi Automotive Systems Ltd

11/30/17 / #20170343065

Disc brake

In a disc brake, a first holder-side projection is formed on a holder, and a first cover-side recess that fits the first holder-side projection of the holder is formed in a cover. An elastic member is disposed between the first holder-side projection of the holder and the first cover-side recess... Hitachi Automotive Systems Ltd

11/30/17 / #20170344040

Electronic device

Provided is an electronic device which can easily measure a standby current of an internal circuit of an electronic device after burn-in. The electronic device includes: a power source terminal; a regulator that generates a predetermined voltage from a voltage of the power source terminal; an internal circuit that is... Hitachi Automotive Systems Ltd

11/30/17 / #20170345306

On-vehicle camera device

Provided is an on-vehicle camera device that swiftly and accurately detects, in every frame, data line signals of respective bits from imaging elements. This on-vehicle camera device includes a failure-diagnosis processing unit that diagnoses whether the data line signals of imaging element units, are in a fixed state. Furthermore, the... Hitachi Automotive Systems Ltd

11/30/17 / #20170345776

Thermal flow meter

Provided is a thermal flow meter that can be prevented from being eroded due to adhesion of water or like to a cut end portion of the lead exposed from the mold resin of the circuit package. A thermal flow meter 300 of the present invention is a thermal flow... Hitachi Automotive Systems Ltd

11/30/17 / #20170345987

Sensor device

The purpose of the present invention is to provide a highly accurate and highly reliable physical quantity sensor wherein an error due to stress applied to a sensor element of the physical quantity sensor is reduced. This physical quantity sensor device is provided with: a hollow section formed in a... Hitachi Automotive Systems Ltd

11/30/17 / #20170346355

Rotor of rotary electric machine and rotary electric machine using the same

A rotor of a rotary electric machine according to the present invention includes a rotor core provided with a magnet insertion hole that forms a space into which a permanent magnet is inserted and a non-magnetic portion facing the space to form a part of the magnet insertion hole, wherein... Hitachi Automotive Systems Ltd

11/30/17 / #20170346358

Rotary-electronic-machine stator coil, rotary-electric-machine stator having the same, and rotary electric machine having the same

Provided are a rotary-electric-machine stator coil, a rotary-electric-machine stator having the same, and a rotary electric machine having the same, capable of improving a bonding strength and insulation reliability of a conductor bonding portion. A rotary-electric-machine stator coil includes: a conductor 110 having a bonding portion 104 bonded to other... Hitachi Automotive Systems Ltd

11/30/17 / #20170347485

Power conversion device

It is an object of the present invention to further lower the temperature of a bus bar penetrating through a current sensor. A power conversion device according to the present invention includes: a bus bar for transferring current; a current sensor having a core part for forming a throughhole for... Hitachi Automotive Systems Ltd

11/23/17 / #20170334278

Battery protection member

An object of the present invention is to provide a battery protection member capable of achieving both securement of a capability to allow a passenger to reside in a vehicle and protection of a battery at the same time. According to one aspect of the present invention, a battery protection... Hitachi Automotive Systems Ltd

11/23/17 / #20170334375

Electronic control device

The objective of the present invention is to provide an electronic control device with which it is possible to improve the flow of hot water, during molding, between openings through which connectors penetrate, in a case of an electronic control device, the size of which has increased as a result... Hitachi Automotive Systems Ltd

11/23/17 / #20170335787

Fuel injection valve control device

The purpose of the present invention is to provide a fuel injection valve control device with which. variability in the injection amount with respect to drive pulse width can be kept to a satisfactory level in each of a plurality of fuel injection devices. The present invention provides a fuel... Hitachi Automotive Systems Ltd

11/23/17 / #20170335789

Fuel control device for internal combustion engine

Provided is a fuel control device for an internal combustion engine that is able to detect the correct boost voltage regardless of the temperature condition, and stabilize the boost voltage value, and is able to inject an accurate amount of fuel from a fuel injection valve. The boost voltage value... Hitachi Automotive Systems Ltd

11/23/17 / #20170335814

Fuel injection valve

The purpose of the present invention is to provide a fuel injection valve that can achieve sufficient atomization even if the spray angle is narrow. The present invention is a fuel injection valve, in which fuel flowing in from a fuel passage section 5c is made to flow so as... Hitachi Automotive Systems Ltd

11/23/17 / #20170335955

Automotive transmission control device

Provided is an automotive transmission control device in which a shift range signal can be generated as accurately as possible and control of vehicle travel can be maintained even when a signal input port for a computation device develops a fault. The automotive transmission control device according to the present... Hitachi Automotive Systems Ltd

11/23/17 / #20170336232

Thermal flow meter

It is an object of the present invention to improve a measurement accuracy of a thermal flowmeter. A circuit package 401 is such that a measurement surface 430 and a backside of measurement surface 431 of a rear surface thereof are located in a bypass passage, and the bypass passage... Hitachi Automotive Systems Ltd

11/23/17 / #20170337849

Information processing apparatus

An information processing apparatus includes: a path planning unit that generates path data to a destination of a certain object; a filter setting unit that sets a filter representing an acquisition range to map data; and a map data acquisition unit that acquires, from the map data, data in a... Hitachi Automotive Systems Ltd

11/23/17 / #20170338448

Prismatic secondary battery

A prismatic secondary battery includes a battery case in a prismatic shape and a battery cover which seals up an opening part of the battery case. The battery cover has a convex part which projects toward the inside of the battery case, faces an inner surface of a side wall... Hitachi Automotive Systems Ltd

11/23/17 / #20170338733

Electric power converting device

The objective of the present invention is to provide an electric power converting device with which can executes a ground fault detection in a short time with its inexpensive configuration. In one step, the electric power converting device performs level comparison of a difference between output values of low pass... Hitachi Automotive Systems Ltd

11/16/17 / #20170326812

Laser welded structure, electronic controller and manufacture laser welded structure

A laser welded structure is formed by laser welding together a resin molded body formed from a thermoplastic polymer alloy containing a crystalline resin and an amorphous resin and a metal body made of a metal. A glass transition temperature of the amorphous resin is lower than a melting start... Hitachi Automotive Systems Ltd

11/16/17 / #20170327097

Brake apparatus and brake system

a brake apparatus capable of improving a brake operation feeling is provided. A brake apparatus includes a stroke simulator including a piston configured to be activated axially in a cylinder with use of brake fluid supplied from a master cylinder. The piston divides an inside of the cylinder into at... Hitachi Automotive Systems Ltd

11/16/17 / #20170327117

Vehicle travel control device

Provided is a vehicle travel control device capable of improving the usability of a following control by detecting dangerous behavior in a preceding vehicle, and differing the release timing of the following control. A vehicle travel control device having a preceding vehicle behavior recognition means for obtaining behavior information for... Hitachi Automotive Systems Ltd

11/16/17 / #20170328752

Thermal type air flow meter having a reinforcing structure provided on the base member between the board fixing part and the secondary passage constituting part

A thermal type air flow meter that is capable of suppressing deformation of a base member at the time of molding is disclosed, to thereby secure dimension accuracy and reduce an influence of a dimension change on measuring accuracy. The meter includes a housing member placed in an intake passage... Hitachi Automotive Systems Ltd

11/16/17 / #20170328754

Thermal fluid flow sensor

Degradation of reliability of a thermal fluid flow sensor, caused by generation of a crack in an insulating film is prevented in the thermal fluid flow sensor including a detection section and a circuit section formed on the same substrate when stress adjustment is performed by forming a deep concave... Hitachi Automotive Systems Ltd

Patent Packs
11/16/17 / #20170329328

On-vehicle control device, own vehicle position and posture specifying device, and on- vehicle display device

An on-vehicle control device mounted on a vehicle and controlling traveling of the vehicle includes a vehicle position error specifying unit that estimates a position error of the vehicle, a travel control continuity information determination unit that determines information relating to continuity of a travel control state of the vehicle... Hitachi Automotive Systems Ltd

11/16/17 / #20170331395

Power conversion device and electric power steering device using the same

An object of the invention is to simultaneously solve a miniaturization and an improvement of productivity of a power conversion device, a temperature rise suppression of a smoothing capacitor, and a reduction of motor noises. The power conversion device of the invention includes a smoothing capacitor, a first power conversion... Hitachi Automotive Systems Ltd

11/16/17 / #20170331401

Motor control device

The occurrence of torque in the motor due to an unintentional flow of the q-axis current in the motor during discharging of the smoothing capacitor is reduced. A motor control device according to the present invention controls a system including an inverter including a smoothing capacitor connected to a power... Hitachi Automotive Systems Ltd

11/16/17 / #20170331406

Power conversion device

It is an object of the present invention to enhance connection reliability of terminals while enhancing assembling performance. A power conversion device according to the present invention includes: a power semiconductor module having a power terminal; a capacitor module for supplying smoothed power to the power semiconductor module; and a... Hitachi Automotive Systems Ltd

11/09/17 / #20170322062

Thermal air flow sensor

A thermal air flow sensor that produces less measurement error is provided. The thermal air flow sensor includes: a semiconductor substrate; a heating resistor, resistance temperature detectors, and an electrical insulator that includes a silicon oxide film, wherein the heating resistor, the resistance temperature detectors, and the electrical insulator are... Hitachi Automotive Systems Ltd

11/09/17 / #20170324070

Rectangular secondary battery

Provided is a square secondary battery that is capable of reducing the amount of electrolyte compared to the related art. The square secondary battery includes a flat electrode group that is manufactured by winding positive and negative electrodes, a flat square battery can which stores the electrode group, a battery... Hitachi Automotive Systems Ltd

11/09/17 / #20170324557

Information processing authenticating message

An information processing apparatus includes a shared information generation unit for generating shared information via a network, a communication unit configured to receive a message, a shared information verification unit configured to compare shared information in the message with the information generated by the shared information generation unit, and verify... Hitachi Automotive Systems Ltd

11/02/17 / #20170313159

Power converter

The power converter according to the present invention includes: a power semiconductor module; and a flow path forming body having a flow path in which the power semiconductor module is disposed and an opening which is connected with the flow path, wherein the power semiconductor module includes a first fin... Hitachi Automotive Systems Ltd

11/02/17 / #20170313297

Drive control system

This invention provides a secure self-driving system or drive-assisting system. A drive control system of the present invention has an image recognition unit for detecting the peripheral environment of a vehicle and a drive control apparatus that controls driving of the vehicle, characterized by having a peripheral environment storage unit... Hitachi Automotive Systems Ltd

11/02/17 / #20170314482

Engine control device

The present invention suppresses the worsening of stability due to a variation in EGR amounts between cylinders in a spark ignition engine. An engine control device for controlling a spark ignition engine equipped with an EGR means for recirculating exhaust gas in a combustion chamber and an air-fuel-ratio detection means... Hitachi Automotive Systems Ltd

11/02/17 / #20170314500

Engine control device

The purpose of the present invention is to provide an engine control device with which it is possible to minimize decreases in combustion speed even when the EGR rate has been increased. The present invention is an engine control device for: controlling an engine provided with an injector for injecting... Hitachi Automotive Systems Ltd

11/02/17 / #20170314555

Variable capacity vane pump

Variable capacity vane pump 1 supplying working fluid to power steering device of vehicle has pump housing 2 formed from bottomed cylindrical-shaped front housing 5 and rear housing 6 closing the front housing, pump element 3 accommodated in pump housing, communicating with inlet passage 23 and with outlet passage 30... Hitachi Automotive Systems Ltd

11/02/17 / #20170314917

Optical system, image capturing device and distance measuring system

Provided is a technology which is suitable for both widening an image capture view angle and securing an angular resolution across the entire image capture range. In an imaging optical system, a rate of change of an image height per view angle, i.e. dy/dθ, is greater than 0 at a... Hitachi Automotive Systems Ltd

11/02/17 / #20170314956

Host vehicle position estimation device

Provided is a host vehicle position estimation device capable of accurately estimating the position of a host vehicle on a map even if there is no landmark that can be referred to on an image photographed using a camera. A host vehicle position is estimated on the basis of intermediate... Hitachi Automotive Systems Ltd

11/02/17 / #20170316134

Fault simulation system

A fault simulation system that has a simulation unit comprising an ECU model including an element fault model made to have a fault by a time setting or external command and all or a portion of a sensor model, actuator model, vehicle model, and driver model and can evaluate vehicle... Hitachi Automotive Systems Ltd

Patent Packs
11/02/17 / #20170316884

Laminated capacitor and in-vehicle control device

The purpose of the present invention is to provide a component in which inductors and capacitors necessary for a low-pass filter and the like can be mounted at high density, and to in turn reduce the size of an electronic control unit in which the component is installed. The electronic... Hitachi Automotive Systems Ltd

11/02/17 / #20170317706

Car onboard speech processing device

The present invention provides a speech processing device with which it is possible to achieve smooth communication between the passengers of a host vehicle and the passengers of a desired vehicle. In a communication system according to the present invention, a first communication device 10 transmits the position of a... Hitachi Automotive Systems Ltd

10/26/17 / #20170307100

Electromagnetic valve and fixing structure

An electromagnetic valve has: a coil; a casing encircling the coil and having a cylinder portion and nail portions; a movable core moving axially in the wound coil; a fixed core set at an opening end of the casing; a valve body fixed to the opening end of the casing... Hitachi Automotive Systems Ltd

10/26/17 / #20170305416

Method and device for controlling vehicle motion and vehicle equipped with same

The purpose of the present invention is to provide a device and method for controlling vehicle motion and a vehicle equipped with the device, such that driving force and/or braking force is properly distributed between front wheels and rear wheels so that steering characteristics are made suitable and controllability and... Hitachi Automotive Systems Ltd

10/26/17 / #20170306905

High pressure fuel supply pump

An object of the present invention is to obtain a high pressure fuel supply pump capable of reducing pressure pulsation that occurs in a low pressure pipe, preventing damage to the low pressure pipe, or reducing noise due to vibrations of the low pressure pipe. The present invention provides a... Hitachi Automotive Systems Ltd

10/26/17 / #20170307033

Disk brake

A disk brake capable of improving work efficiency when a friction pad is attached to a mount member. Ear portions of a friction pad are inserted in pad guides of a mount member. A side push spring, which pushes the friction pad in a rotational direction of the disk, is... Hitachi Automotive Systems Ltd

10/26/17 / #20170307044

Shock absorber

Provided is a shock absorber that includes a middle chamber formed by a piston, a first damping-force generating device that is provided between an upper chamber and the middle chamber and generates a damping force, a second damping-force generating device that is provided between a lower chamber and the middle... Hitachi Automotive Systems Ltd

10/26/17 / #20170309540

Electronic device and manufacturing the electronic device

An electronic component has a semiconductor element and a thermally conductive support member. A heat sink is disposed on one surface of the circuit body, and a thermally conductive insulating member is interposed between the heat sink and the support member. Input and output terminals and a ground terminal are... Hitachi Automotive Systems Ltd

10/19/17 / #20170297434

Disk brake

A disk brake allowing a connector terminal (255) and a joining terminal (256) to be easily positioned in a width direction thereof and a direction toward an opening portion of a housing, because the joining terminal fixed to one end of a harness includes individual protruding portions (265) and a... Hitachi Automotive Systems Ltd

10/19/17 / #20170297546

Brake control device

A brake control device capable of preventing a braking force from being excessive when information cannot be transmitted between a first control unit configured to control operation of a boost mechanism and a second control unit configured to control operation of a hydraulic control mechanism. When a second ECU (32)... Hitachi Automotive Systems Ltd

10/19/17 / #20170297547

Brake control device

A brake control device capable of suppressing a sense of discomfort felt by a driver. The brake control device (31) includes a braking command addition part (34A) for adding an automatic-brake braking command value (B) output from an automatic-brake braking command calculation part (32) and a pedal operation braking command... Hitachi Automotive Systems Ltd

10/19/17 / #20170298845

Control device and control internal combustion engine

A control device for an internal combustion engine controls a control object device based on an output value of a relative angle sensor that detects a relative angle of an output shaft of an actuator, and an output value of an absolute angle sensor that detects an absolute angle of... Hitachi Automotive Systems Ltd

10/19/17 / #20170298882

Fuel injection device

A fuel injection valve includes a valve body, a coil, an inner fixed iron core that is arranged on an inner peripheral side of the coil, and an outer fixed iron core that is arranged on an outer peripheral side of the coil. The fuel injection valve also includes a... Hitachi Automotive Systems Ltd

10/19/17 / #20170298993

Propeller shaft

A propeller shaft includes a shaft section connected between an input shaft and an output shaft via respective constant velocity joints, wherein the input shaft is connected to a drive source of a vehicle, and the output shaft is connected to driving wheels. The constant velocity joint includes a circlip-restricting... Hitachi Automotive Systems Ltd

10/19/17 / #20170299009

Shock absorber and manufacturing method therefor

A baffle plate (41, partition member) is manufactured by being integrally formed of a single material including flexible or pliable NBR (nitrile rubber), and a projection (51) formed on an abutment surface (42B) of the baffle plate (41) is fitted into a recess (52) in a reduced-diameter portion (36) of... Hitachi Automotive Systems Ltd

10/19/17 / #20170300764

Travel route recognition device, and travel assistance system using same

Provided are a travel route recognition device and a travel assistance system using the same, which are capable of precisely recognizing the positions of white lines and road boundaries even if, for example, there is a decrease in the accuracy of the detection of both white lines and road boundaries... Hitachi Automotive Systems Ltd

10/19/17 / #20170301633

Power module and power conversion apparatus

An object of the present invention is to provide a power module that secures a heat dissipation route and has increased reliability. A power module of the present invention includes a first circuit body having a first semiconductor element and a first conductor portion, a second circuit body having a... Hitachi Automotive Systems Ltd

10/19/17 / #20170302116

Rotor for rotating electric machine and rotating electric machine including the rotor

A rotor for a rotating electric machine has interference and lightening holes. The rotor includes a shaft and a rotor iron core. The shaft is press fitted in the rotor iron core. The rotor iron core includes a shaft hole, an outer area, an inner area in which the shaft... Hitachi Automotive Systems Ltd

10/19/17 / #20170302191

Power module, power converter device, and electrically powered vehicle

A power converter device includes a double-sided electrode module in which an electrical wiring board and a power semiconductor element are molded with a resin material. The power converter device also includes a heat dissipating base disposed on both sides of the double-sided electrode module and directly contacting cooling medium.... Hitachi Automotive Systems Ltd

10/12/17 / #20170294120

Automatic driving system

The present invention provides an automatic driving system capable of clearly identifying the factors responsible for causing an abnormality such as an accident or malfunction of a vehicle during automatic driving after the fact. The automatic driving system automatically selects, from each automatic driving function provided in the vehicle or... Hitachi Automotive Systems Ltd

10/12/17 / #20170291585

Brake device

A brake device having an electric parking brake function, capable of appropriately performing stepwise increase control for a clamping force. A control unit including a computing circuit (20), a memory (21), and each motor drive circuit (23) of a parking brake control device (19) includes a stepwise increase control unit... Hitachi Automotive Systems Ltd

10/12/17 / #20170291590

Electric motor-driven booster

An electric motor (2) is controlled according to the stroke of an input rod (30) moved in response to an operation of a brake pedal. The rotation of the electric motor is transmitted through a belt transmission mechanism (45) to a ball-screw mechanism (38) to propel a primary piston (10),... Hitachi Automotive Systems Ltd

10/12/17 / #20170292415

Valve timing control device for internal combustion engine

In a hydraulically-operated vane rotor equipped variable valve timing control device for an internal combustion engine, a fluid-communication control mechanism is configured to switch, after having started the engine, a communication hole from a communicated state to a fluid-communication restricted state prior to switching operation of a lock mechanism from... Hitachi Automotive Systems Ltd

10/12/17 / #20170292435

Cooling control internal combustion engine and cooling control method therefor

The present invention relates to a cooling control apparatus which performs control for cooling an internal combustion engine by causing an electric pump to circulate cooling water and causing an electric fan to supply cooling air to a radiator. The cooling control apparatus comprises an electric pump for circulating a... Hitachi Automotive Systems Ltd

10/12/17 / #20170292437

Control internal combustion engine

The present invention relates to a control apparatus and method for an internal combustion engine including two fuel injection valves in the intake port of each cylinder. In the present invention, fuel injection from a first fuel injection valve is activated while fuel injection from a second fuel injection valve... Hitachi Automotive Systems Ltd

10/12/17 / #20170292488

Fuel injection valve

An object of the present invention is to provide a fuel injection valve which has a structure where failure hardly occurs in a valve member and a peripheral member thereof at the time of press-fitting of a fixed core. The present invention provides a fuel injection valve that includes: a... Hitachi Automotive Systems Ltd

10/12/17 / #20170294684

Rectangular secondary battery

A problem of the present invention is to provide a rectangular secondary battery in which heat generation of a current collecting plate is suppressed. A rectangular secondary battery of the present invention which solves the above-described problem includes: a flat wound group which is obtained by winding a positive electrode... Hitachi Automotive Systems Ltd

10/12/17 / #20170294820

Rotating electrical machine

Provided is a rotating electrical machine including a housing in which a flow passage of cooling liquid can be easily formed and airtightness and productivity are high. A rotating electrical machine is configured to include a housing which is provided with a part of a flow passage of cooling liquid,... Hitachi Automotive Systems Ltd








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