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Kubota Corporation patents


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

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Working machine

A working machine includes a vehicle body, a travel apparatus provided to a rear portion of the vehicle body, a fender provided above the travel apparatus, and hydraulic piping that is disposed between the travel apparatus and the fender and that extends from a front-portion side to a rear-portion side... Kubota Corporation

Farm work machine, farm work management method, farm work management program, and recording medium recording the farm work management program

A farm work machine (1) operable in a variety of work modes includes a communications unit (5) that reads farm work information for a selected target farm work sector from a database of a management center storing the farm work information for each farm work sector, a work mode setting... Kubota Corporation

Work machine

A work machine includes an engine, a fluid path via which a fuel oil is supplied to the engine, a first filter provided in the fluid path, a pump provided between the engine and the first filter in the fluid path to suck and output the fuel oil, a second... Kubota Corporation

Mid-mount riding grass mower

A mid-mount riding grass mower includes a belt transmission device attached to an upper portion of a mower unit, and a cover unit that covers the belt transmission device. The cover unit includes a lower cover extending upward from a position on more traveling vehicle body outer side than the... Kubota Corporation

Work vehicle

A work vehicle includes a front control tower provided forwardly of a driver's seat, a battery accommodated inside the front control tower, and a bottom member that provides a bottom of the front control tower. The battery is mounted on the bottom member.... Kubota Corporation

Lawn mower

A lawn mower includes a pair of left and right main frames 17, an engine E mounted to the pair of left and right main frames 17, a radiator for cooling water that cools the engine E, a cooling fan 11 for feeding cooling air to the radiator, and a... Kubota Corporation

Battery pack

A battery pack includes a plurality of battery modules stacked with connecting terminals disposed at predetermined positions, a holding unit for holding the plurality of battery modules under the stacked state, a plurality of conducting paths connecting corresponding connecting terminals, and a substrate connected to the holding unit. The plurality... Kubota Corporation

Tractor

A tractor includes an engine that is mounted on a vehicle body frame, a hood that houses the engine and is configured to pivot about a front pivot in a top-bottom direction between a closed position at which the hood covers the engine, and an open position at which the... Kubota Corporation

Work vehicle

A work vehicle according to the present invention includes: a recessed portion (4) that is provided in a lateral side surface (31a) of an engine hood (30) and is recessed from the lateral side surface (31a) toward the inside of the engine hood (30). The recessed portion (4) includes a... Kubota Corporation

Combine for measuring the weight of grain retained in a grain tank

A combine that can accurately measure the weight of grain retained in a grain tank is provided. When a weight measurement signal is output from a measurement switch 66, a weight measurement decision unit 75 instructs a working state determination unit 71 to perform working state determination. If it is... Kubota Corporation

Electric power steering unit with offset link mechanism

Disclosed is a vehicle including a steering wheel arranged offset toward one side in a vehicle body right/left direction, and an electric power steering unit. The electric power steering unit includes a link mechanism operably connected to the steering wheel and extending from a right/left center side of the steering... Kubota Corporation

Working machine

A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.... Kubota Corporation

Work vehicle

A work vehicle having a belt type stepless speed changing mechanism includes a rotation detecting section for detecting an engine rotational speed, a vehicle speed detecting section for detecting a vehicle speed of a traveling vehicle body and an informing section configured to effect an alarm informing for alarming wear... Kubota Corporation

Work vehicle, slope travel control system for work vehicle, and slope travel control work vehicle

A work vehicle to travel along a travel route includes a vehicle body, an inclination sensor, a calculator, an information generator, and a recorder. The inclination sensor is provided on the vehicle body to detect a vehicle body inclination angle with respect to a horizontal line. The calculator is to... Kubota Corporation

Work vehicle and abnormality notification work vehicle

A work vehicle includes travelling work state detection sensors to detect a travelling work state of the work vehicle to output detected signals indicating the traveling work state. Circuitry is configured to determine that an early abnormality occurs when the detected signals satisfy a first condition, the work vehicle being... Kubota Corporation

Electric work vehicle

An electric work vehicle includes a battery container provided in a traveling vehicle body and including a guiding unit, and a battery pack removably attached to the battery container and including a guided unit. A pair of rollers are provided in one of the guiding unit and the guided unit,... Kubota Corporation

Work vehicle and image displaying work vehicle

A work vehicle includes circuitry configured to determine a focused area based on signals detected by work and travel situation detection sensors. The circuitry is configured to determine a prioritized display image among images captured by cameras, the prioritized display image including the focused area. The circuitry is configured to... Kubota Corporation

Route search method, route search system, non-transitory computer-readable storage medium, and work vehicle

A route search system for a work vehicle includes a receiver, a processor, and a controller. The receiver is to obtain a reference position of the work vehicle. The processor is to define, as a search area, an area around a vehicle reference point in a plan view. The vehicle... Kubota Corporation

Oil cooling structure of engine

An oil cooling structure of an engine is provided that is capable of enhancing cooling performance of oil while preventing an increase in number of components or an increase in required space from being involved as much as possible. In an oil cooling structure of an engine in which a... Kubota Corporation

Travel support system, travel support method, and work vehicle

A travel support system for a work vehicle including a vehicle body and a work device provided on the vehicle body includes a first calculator to calculate a vehicle body occupied area including the vehicle body in a plan view. A second calculator is to calculate a work device occupied... Kubota Corporation

Suspension assembly for utility vehicle

A suspension assembly for a utility vehicle includes a knuckle having a boss, a first suspension arm extending radially outward from the boss, a second suspension arm extending radially outward from the boss in a direction opposite to the first suspension arm, a first brake arm extending radially outward from... Kubota Corporation

Drive device for pto shaft of working machine

A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO... Kubota Corporation

Work vehicle axle device

Work vehicle axle device includes a wheel drive case utilizing a centrally disposed vertically extending first coupling portion, a centrally disposed vertically extending second coupling portion spaced from the first coupling portion and an input shaft located below an upper end of either the first or second coupling portions and... Kubota Corporation

Work machine

A work machine includes a prime mover, a hydraulic pump to be operated by the prime mover to output an operation fluid, a hydraulic device to be operated by the operation fluid, a measurement sensor to measure a first temperature and a second temperature, the first temperature being a temperature... Kubota Corporation

Blow-by gas return structure

An improved blow-by gas return structure minimizes the occurrence of a drawback caused by freezing at a low temperature by bringing a state where freezing minimally occurs in a blow-bay gas passage such as a pipe disposed outside an engine. The blow-by gas return structure is configured such that a... Kubota Corporation

Exhaust treatment device for diesel engine

An exhaust treatment device for a diesel engine is provided, which includes a parked regeneration requirement notification component and a parked regeneration start operation component. A regeneration process of the diesel particulate filter (DPF) includes an automatic regeneration process and a parked regeneration process. The automatic regeneration process is automatically... Kubota Corporation

Device with adjustment bolt

A device with an adjustment bolt includes a bolt attachment wall, an adjustment bolt screwed with an internal thread hole of the bolt attachment wall, a locknut screwed with the adjustment bolt, a cover that surrounds the adjustment bolt and the locknut, and a stopper unit that prevents removal of... Kubota Corporation

Work vehicle

A work vehicle including: a transmission unit that is provided with, on a shaft that is provided in a power transmission path leading from an input shaft to a power transmission shaft but is not a speed change shaft, a gear member that has an engagement recess, and a claw... Kubota Corporation

Work machine

A work machine includes a machine body, an engine, a rotary electrical device, and a battery. The engine is provided on the machine body to move the machine body. The rotary electrical device is provided on the machine body to move the machine body and to generate electric power. The... Kubota Corporation

Work machine

A work machine includes a machine body, an engine, a rotary electrical device, and an electric power controller. The engine is provided on the machine body to move the machine body. The rotary electrical device is provided on the machine body to move the machine body. The electric power controller... Kubota Corporation

Work machine and controlling work machine

A work machine includes an engine, a motor-generator, a battery, a power detector, a temperature detector, and circuitry. The engine is to move the work machine. The motor-generator is to move the work machine and to generate electric power. The battery is to store the electric power generated by the... Kubota Corporation

Work vehicle with speed control system

Work vehicle having a coupling member which is switchable between a coupled state where left/right brake operation tools are integrally coupled and a released state releasing the coupling. A coupled state detector is utilized. A controller controls a traveling state and is switchable between a first or normal mode and... Kubota Corporation

Hydraulic system for work machine

A hydraulic system for a work machine includes an operation member, a prime mover, a hydraulic pump driven by the prime mover, the hydraulic pump configured to output an operation fluid, a first temperature sensor to measure a temperature of the operation fluid, a first fluid tube connected to the... Kubota Corporation

Piston for engine

A piston for an engine is provided, that makes it possible to improve supply of engine oil to a recessed part thereof. The piston includes a resin coating film and a recessed part on a surface of a skirt part. In the piston, resin coating films are distributed in a... Kubota Corporation

Exhaust gas purification a work vehicle

A work vehicle includes an engine, a battery, an exhaust gas purification system or device, and a notification device. The exhaust gas purification system or device is capable of performing a purification process purifying exhaust gas of the engine, and operates with electric power from the battery and performs an... Kubota Corporation

11/09/17 / #20170320423

Work vehicle

A work vehicle is provided with a driving section (5), and a load carrying deck (6) disposed rearwardly of the driving section (5). The load carrying deck (6) is configured to be pivotally liftable between an elevated posture in which a front end portion of the deck (6) is elevated,... Kubota Corporation

11/02/17 / #20170311544

Combine

There are provided an engine controlling section for controlling a rotational speed of an engine, a horizontal posture controlling section for rendering a vehicle body frame to a horizontal posture by controlling a posture changing mechanism configured to change a posture of the vehicle body frame by an operation of... Kubota Corporation

11/02/17 / #20170314230

Working machine

A working machine includes a machine body including a motor room, a motor mounted on the machine body and housed in the motor room, a fan arranged above the motor, the fan being to generate an air flow downward, a radiator arranged above the fan, an oil cooler arranged above... Kubota Corporation

10/26/17 / #20170306468

Cast product having alumina barrier layer

The present invention provides a cast product that can further enhance the stability of an alumina barrier layer and can exhibit further superior oxidation resistance, carburization resistance, nitriding resistance, corrosion resistance, and the like when used under a high-temperature atmosphere. The cast product according to the present invention is a... Kubota Corporation

10/12/17 / #20170292540

Hydraulic system for work machine and work machine

A hydraulic system for a work machine includes a tank to store an operation fluid, a hydraulic device to be operated by the operation fluid, a control valve to control the hydraulic device, a first fluid tube connecting the hydraulic device and the control valve, the first fluid tube being... Kubota Corporation

10/05/17 / #20170282733

Portable charger device, contactless charger system for electric work vehicle and electric grass mower machine

A portable charger device 200 includes a charger device side battery 3, a first charging control section 31 for non-quick charging of the charger device side battery 3 by power supply from an external power source 8, and a second charging control section 32 for quick charging of a vehicle... Kubota Corporation

10/05/17 / #20170282934

Hydraulic system for work machine

A hydraulic system for a work machine includes a prime mover, a setup member, a hydraulic pump, an operation valve, a hydraulic device, and a memory. The memory stores first control characteristics indicating relations between the first pressure and an actual revolution speed of the prime mover, and stores a... Kubota Corporation

10/05/17 / #20170284063

Hydraulic system for work machine

A hydraulic system for a work machine includes a hydraulic bump to output an operation fluid, a hydraulic switch valve to be switched among switching positions in accordance with a pressure of the operation fluid, a proportional valve to change the pressure of the operation fluid applied to the hydraulic... Kubota Corporation

10/05/17 / #20170284425

Hydraulic system for work machine

A hydraulic system for a work machine includes a first switch valve and a first return circuit. The first switch valve is switchable between a confluent position and an isolation position. The first switch valve is switched to the confluent position such that a first operation fluid tube is connected... Kubota Corporation

10/05/17 / #20170285681

Work machine

A work machine includes an unload lever swingably supported by an operation box, the unload lever being configured to be swung to select whether or not to supply an operation fluid to the hydraulic actuator. The unload lever includes a second guide pin to move in a first guide groove... Kubota Corporation

09/28/17 / #20170274892

Work vehicle

A torque upper limit value changing section increases an upper limit value of a torque instruction value in a powering range in case a rotational speed reduction degree is greater than a reference value and decreases the upper limit value of the torque instruction value in the powering range in... Kubota Corporation

09/21/17 / #20170267104

Work vehicle

A work vehicle includes a propelling device, which consists of a pair of right and left front wheels and a pair of right and left rear wheels, an engine configured to drive one of the pair of front wheels and the pair of rear wheels, an electric motor configured to... Kubota Corporation

09/21/17 / #20170267107

Utility vehicle

A utility vehicle includes an electric motor for driving a propelling device, a battery for supplying electric power to the electric motor, a temperature sensor configured to detect a temperature of the battery, a discharge current setting unit for setting an upper limit discharge current value based on the detected... Kubota Corporation

09/21/17 / #20170268202

Work vehicle and running control apparatus causing automatic running of work vehicle

A work vehicle includes an automatic running control unit 51 that executes automatic running based on an own vehicle position and a target running path; a manual running control unit 52 that executes manual running based on an operation signal from a manual running operation unit 9 that is manually... Kubota Corporation

09/14/17 / #20170263914

Electric work vehicle

An electric work vehicle includes a plurality of battery mounting portions, a plurality of battery packs that can be detachably mounted to the battery mounting portions, a main body contact provided for each one of the battery mounting portions and electrically connected with the battery back mounted to the battery... Kubota Corporation

09/07/17 / #20170253120

Multipurpose vehicle

A multipurpose vehicle includes an engine that has a plurality of cylinders, a traveling vehicle body that has a traveling device that is driven based on a driving force of the engine, a man-operable accelerator operating tool, a controller that controls a fuel injection quantity with respect to the plurality... Kubota Corporation

09/07/17 / #20170254280

Multipurpose vehicle

A multipurpose vehicle includes an engine, a fuel supply unit that supplies fuel to the engine, a gear transmission device that changes speed of power from the engine through a shifting operation, a coupling state detection sensor that detects a coupling state of the gear transmission device, a determination unit... Kubota Corporation

08/31/17 / #20170246942

Work vehicle with a power-travel drive unit

A work vehicle comprises: a vehicle frame; a driving portion in which a driver seat is provided; an electric motor for driving the vehicle to travel; and a battery for supplying electric power to the electric motor, the battery including a plurality of battery modules accommodated in a single battery... Kubota Corporation

08/24/17 / #20170239625

Method of producing flat sheet membrane element and flat sheet membrane element

A sheet filter membrane is arranged on a surface of a filter plate of a thermoplastic resin, and a plurality of projections provided in a hot plate is pressed against the filter plate above a periphery of the filter membrane with different timing for each of the projections to abut... Kubota Corporation

08/17/17 / #20170234336

Hydraulic block

A hydraulic block includes multiple pairs of actuator ports connectable to a hydraulic actuator and a discharge oil passage for discharging work oil returned from the hydraulic actuator to the outside. The charge oil passage includes a first oil passage corresponding to a predetermined actuator port of all the actuator... Kubota Corporation

08/10/17 / #20170225209

Outer layer material for composite roll for rolling and composite roll for rolling

The present invention provides an outer layer material for a composite roll for rolling, in which the strength of secondary eutectic carbides can be increased by reducing a B amount in the secondary eutectic carbides and surface roughening resistance can be improved, and a composite roll for rolling in which... Kubota Corporation

08/10/17 / #20170225709

Work vehicle having engine and hydraulic stepless speed changing device

A work vehicle includes a driver's seat supported to a frame unit, a first hydraulic stepless speed changing device transmitting power to a first drive wheel, a second hydraulic stepless speed changing device transmitting power to a second drive wheel, and an oil tank. A bridge beam extending in a... Kubota Corporation

08/03/17 / #20170217488

Vehicle having independently driven and controlled right and left wheels

A self-propelled vehicle includes a maneuvering unit, a drive unit including first and second drive sections, which are driven and controlled by drive wheel control commands, a drive wheel unit including left and right drive wheels driven by the first and second drive sections, respectively, at least one caster wheel... Kubota Corporation

07/27/17 / #20170210417

Work vehicle

A work vehicle includes a pair of left and right steerable wheels, a pair of left and right drivable wheels, and a boss portion that supports the steerable wheel pivotally about a steering axis via a king pin. The boss portion is closer to a width center of the steerable... Kubota Corporation

07/27/17 / #20170211664

Work vehicle

A work vehicle includes a belt transmission mechanism that transmits a driving force of an engine to a speed changing device, a belt tension clutch that switches over the belt transmission mechanism between a transmitting state for transmitting the driving force to the speed changing device and a non-transmitting state... Kubota Corporation

07/20/17 / #20170203661

Work vehicle and display device for the work vehicle

A plug-in hybrid work vehicle includes a first battery charged from an on-board electric generator, a second battery charged from an external electric power source, a charging switch, a DC-to-DC converter, a voltage determination unit, and a charging control unit. During charging from the external electric power source, the charging... Kubota Corporation

07/20/17 / #20170204822

Device for supplying fuel to engine

A merge and discharge unit has: a reservoir unit in which fuel can be collected; a first merge unit for merging into the reservoir unit the fuel from an upstream site upstream of the merge and discharge unit on a fuel supply route; a second merge unit for merging into... Kubota Corporation

07/20/17 / #20170208651

Fluid heating device of engine

A fluid heating device of an engine is provided that is capable of reducing power consumption of a heat source required for heating a fluid. The fluid heating device of the engine includes a heat radiation pipe through which a fluid passes and an induction heating coil. Heat of the... Kubota Corporation

07/13/17 / #20170200332

Ground work vehicle, ground work vehicle management system, and ground work information display method

A work device that performs work using a work unit while traveling, or a management system in which the work device is incorporated includes: a travel information generation unit that, over time, generates travel information indicating a travel state; a work information generation unit that, over time, generates work information... Kubota Corporation

07/06/17 / #20170188514

Harvesting machine

A harvesting machine includes: a crop tank; a measuring device that measures an amount of crop that has been stored in the crop tank; an unloader apparatus that discharges crop that has been stored in the crop tank; a device control part that executes precise measurement oriented device setting processing;... Kubota Corporation

Patent Packs
07/06/17 / #20170190247

Work vehicle having engine mounted thereto

A work vehicle having an engine mounted thereto includes a vehicle body frame extending in the longitudinal direction of vehicle, a seat supporting deck supported to the vehicle body frame via a suspension unit, a driver's seat supported to the seat supporting deck upwardly of this seat supporting deck, a... Kubota Corporation

06/29/17 / #20170181374

Mid-mount mower

A mid-mount mower has a mower unit mounted under a vehicle body between front wheels and rear wheels. The mower includes a lift link mechanism having a front link and a rear link, an intermediate structure interconnecting one end of the front link and one end of the rear link... Kubota Corporation

06/29/17 / #20170181376

Mower deck with tilted idle pulleys

[Summary] A mower unit receiving power transmitted from a drive source includes a blade pulley mounted on a blade rotational shaft, an idle pulley unit, and a single belt routed around an output pulley of the drive source, the idle pulley unit and the blade pulley. The pulley height of... Kubota Corporation

06/29/17 / #20170183837

Joint mechanism and connection steel pipe

Contemplated are simplification and cost reduction in arrangement of connecting a pair of steel pipes to each other. A joint mechanism for a pair of steel pipe piles 1A, 1B includes an inner joint 10A provided in the steel pipe pile 1A, an inner joint 10B, an outer joint 20... Kubota Corporation

06/29/17 / #20170183999

Exhaust diesel engine

An exhaust apparatus for a diesel engine rapidly burns an unburned deposit in an upstream exhaust catalyst with heat of a heater. The exhaust apparatus includes a downstream exhaust cleaner, an upstream exhaust catalyst provided in an exhaust passage, upstream of the downstream exhaust cleaner, a heater disposed at an... Kubota Corporation

06/29/17 / #20170184051

Cylinder head cooling structure

In a cylinder head cooling structure of engine E including a camshaft 15 rotated by a crankshaft 2, a push rod, and an actuatable rocker arm, an injection hole 46 for injecting oil pressurized by an oil pump 44 is formed in a shaft portion 43 between an exhaust cam... Kubota Corporation

06/29/17 / #20170184134

Hydraulic system for work machine

A hydraulic system for a work machine includes a first control valve including a first direction switch to switch a direction in which the operation fluid is to flow through a first hydraulic actuator and a pressure compensator to maintain a differential pressure to a constant pressure, the differential pressure... Kubota Corporation

06/22/17 / #20170174069

Work vehicle

Provided is a work vehicle in which a seat support frame that supports a driver seat is equipped on a vehicle body frame, the vehicle body frame includes: a front portion vehicle frame at which a floor surface of a driving portion is provided; and a rear portion vehicle frame... Kubota Corporation

06/22/17 / #20170175687

Air-cooled v-type engine

An air-cooled V-type engine includes a crankcase, a cooling fan disposed at the front end of a crankshaft, a fan casing housing the cooling fan, a pair of cylinders projecting to form a V shape from the crankcase as seen in a direction along an axial center of the crankshaft,... Kubota Corporation

06/22/17 / #20170175779

Hydraulic system of work machine

A hydraulic system of a work machine includes a first hydraulic actuator, a first control valve, a first oil passage, a second hydraulic actuator, a second control valve, a second oil passage, and a bypass oil passage. The first control valve is connected to the first hydraulic actuator to control... Kubota Corporation

06/15/17 / #20170166044

Work vehicle

In a work vehicle, a fuel supply path including a first fuel supply path connecting a first fuel tank to a merging portion, a second fuel supply path connecting a second fuel tank to the merging portion, and a common supply path connecting the merging portion to an engine is... Kubota Corporation

06/15/17 / #20170166154

Work vehicle

A work vehicle includes a vehicle body frame, a protection frame extending upwards from the vehicle body frame, the protection frame including left and right strut members and an arch member extending between and detachable from the left and right strut members, a support frame provided in the vehicle body... Kubota Corporation

06/15/17 / #20170167112

Work vehicle

A work vehicle includes a riding-type traveling vehicle body and a hydraulically operable front loader coupled to a front of the traveling vehicle body. The traveling vehicle body includes left and right rear wheels disposed to the left and right of a driver seat, left and right rear fenders covering... Kubota Corporation

06/08/17 / #20170156261

Lawn mower

A lawn mower includes: a mower unit having a plurality of blades for performing lawn mowing work, the plurality of blades being driven by rotational power, a blade motor configured to transmit rotational power to each of the plurality of blades, and be capable of optionally changing the rotation number... Kubota Corporation

06/08/17 / #20170156262

Grass mower

A grass mower includes a cutting height adjustment mechanism for adjusting a cutting height of a mower unit via a lift link mechanism. The cutting height adjustment mechanism has a cutting height control grip disposed upwardly of the fender unit and on one outer side of the driver's seat in... Kubota Corporation

Patent Packs
06/08/17 / #20170158040

Work/utility vehicle

... Kubota Corporation

06/08/17 / #20170158044

Utility vehicle

A utility vehicle includes: a travel unit having a left-right pair of front travel apparatuses and a left-right pair of rear travel apparatuses; an engine capable of driving first travel apparatuses being one of the pair of front travel apparatuses and the pair of rear travel apparatuses; a motor capable... Kubota Corporation

06/08/17 / #20170158242

Work vehicle

A work vehicle includes a prime mover unit disposed in a front part of the vehicle body, a driving part located in a rear part of the vehicle body, a battery disposed between the prime mover unit and the driving part, a base frame disposed in a lower part of... Kubota Corporation

06/08/17 / #20170159264

Work vehicle and backhoe

A work vehicle including an attachment mechanism for attaching a backhoe to a vehicle body. The attachment mechanism includes a pin provided in the vehicle body, an engaging body provided in the backhoe and engageable with the pin, and a locking body for fixing the engaging body to the pin... Kubota Corporation

06/08/17 / #20170159265

Work machine and hydraulic system for work machine

A hydraulic system for a work machine includes a first control valve to control a first hydraulic actuator, a second control valve to control a second hydraulic actuator, a first fluid tube connecting the first hydraulic actuator to the first control valve, and a second fluid tube connecting the second... Kubota Corporation

06/08/17 / #20170159544

Work vehicle

A work vehicle includes an engine, a cooling fan for feeding cooling air to the engine, a fan cover for covering the cooling fan, and a shutter device provided at an ambient air inlet of the fan cover and openable and closable.... Kubota Corporation

06/08/17 / #20170159679

Hydraulic system of work machine and work machine

A hydraulic system of a work machine includes a first hydraulic device to operate in a first operation mode while pressure of hydraulic oil supplied from a hydraulic pump via a first oil passage is equal to or higher than a first pressure threshold. The hydraulic oil in the first... Kubota Corporation

05/18/17 / #20170135283

Grass mower machine

A grass mower machine includes a mower deck 30 that protrudes from a frame unit in a machine body transverse direction, cutter blades 20 attached respectively to a first rotation shaft 21, a second rotation shaft 22 and a third rotation shaft 23 that are disposed side by side and... Kubota Corporation

05/18/17 / #20170136864

Electric work vehicle, battery pack for electric work vehicle and contactless charging system

An electric work vehicle includes: a battery pack that is arranged between a left rear wheel arranged outside of a left frame and a right rear wheel arranged outside of a right frame, the front end of the battery pack being located forward of an axle center of a rear... Kubota Corporation

05/18/17 / #20170141653

Stator of electric motor and cooling structure of electric rotating machine

To increase a thermal transmission amount between a tooth and an insulation member and reduce a thermal resistance. A stator (1) of an electric motor includes a yoke (2), a plurality of teeth (3) arranged in a circumferential direction of an inner circumference of the yoke (2), a winding wire... Kubota Corporation

05/11/17 / #20170129284

Tractor

To obtain a front axle frame having a high degree of strength appropriate to heavy load tasks, without resulting in a decrease in productivity or a drastic rise in costs. In a tractor that includes a front axle frame supporting a front axle case, the front axle frame is configured... Kubota Corporation

05/11/17 / #20170129322

Parallel hybrid power transmission mechanism

The present invention intends to provide a rotary tilling apparatus capable of separating a power transmission system starting from a flywheel to a passive movement device through an elastic coupler from another power transmission system starting from the flywheel to a rotor of a motor generator, and thereby reducing a... Kubota Corporation

05/11/17 / #20170129543

Work vehicle

A work vehicle includes: a vehicle body frame; a prime mover part that is supported by the vehicle body frame; a bonnet that is configured to vertically swing between a closed position at which the prime mover part is covered, and an open position at which the prime mover part... Kubota Corporation

05/11/17 / #20170129544

Work vehicle

A work vehicle including: a vehicle body frame; a prime mover part located on a front or rear part of the vehicle body frame; a bonnet configured to open and close by swinging, and covering the prime mover part; and an assist unit configured to assist the bonnet to operate... Kubota Corporation

05/04/17 / #20170120755

Electric work vehicle

An electric work vehicle includes a left motor which supplies rotating power to a left drive wheel, a right motor which supplies rotating power to a right drive wheel, a motor control unit which provides drive signals to the left motor and the right motor independently of each other in... Kubota Corporation

04/27/17 / #20170114517

Work vehicle and front loader

A stand 18 is maintained under a stored posture when the stand 18 is pivoted toward the stored posture side in association with a dumping action of a bucket 13 and a lock mechanism 25 is switched to a locking state. The stand is switched to an in-use posture when... Kubota Corporation

04/27/17 / #20170115211

Optical grain evaluation device and combine harvester provided with optical grain evaluation device

An optical grain evaluation device is provided with: a light-projecting part 58 through which light from a light source is projected to grain; a light-receiving part 59 on which light transmitted through the grain is incident; a grain evaluation unit 60 configured to evaluate the grain based on information relating... Kubota Corporation

04/20/17 / #20170106745

Work machine

A work machine includes a machine body, a motor provided in a rear portion of the machine body, a bonnet which covers a rear of the motor and which is openable, a tank disposed between the motor and the bonnet, and a support member. The support member includes a bracket... Kubota Corporation

04/20/17 / #20170107695

Hydraulic system for work machine, and work machine

A hydraulic system for a work machine includes a hydraulic pump to supply a pilot fluid, and a hydraulic switch valve to be switched to a plurality of switching positions based on a pilot pressure. The pilot pressure is a pressure of the pilot fluid supplied from the hydraulic pump.... Kubota Corporation

04/20/17 / #20170107696

Work machine

A work machine includes an engine, a pilot pump to be driven by the engine to supply a pilot fluid, an operation pump to receive a first pilot fluid to change an output power in accordance with the first pilot fluid, a pilot fluid tube provided between the pilot pump... Kubota Corporation

03/30/17 / #20170087976

Work vehicle

A work vehicle having a hood for covering an engine room is disclosed. The engine room has a first region and a second region partitioned from each other, the engine room being configured such that air can be introduced from outside of the hood to the first region. A radiator... Kubota Corporation

03/30/17 / #20170088202

Work vehicle

Work vehicle includes an operation lever pivoting forward and backward stepwise through a plurality of operation positions; and a detent type retention mechanism holding the operation lever in each of the operation positions. The retention mechanism includes a coupling member coupled to the operation lever; and a retention member holding... Kubota Corporation

03/30/17 / #20170089366

Hydraulic system of work machine

A hydraulic system of a work machine includes a first oil path which is connected to a hydraulic pump and though which hydraulic oil is to flow from the hydraulic pump. An operation valve is connected to the first oil path. An operation lever is to control the operation valve... Kubota Corporation

03/30/17 / #20170090506

Cable wiring structure, operation device, and work machine

A cable wiring structure includes a cable, a first holder, and a second holder. The cable connects a first appliance mounted in a work machine and a second appliance mounted in the work machine to transmit an electric signal. The cable includes a first held part and a second held... Kubota Corporation








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