Matches 1 - 50 out of 273 1 2 3 4 5 6 >
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7607505 Energy storage type of differential mixed power distribution system  
An energy storage type of differential mixed power distribution system to drive an all wheel driving carrier; a revolution output end of an internal combustion engine (or any other revolution power...
7591339 Driving-force control apparatus and method for vehicle  
A driving-force distribution control apparatus for a vehicle includes a first motor adapted to drive one of front wheels and rear wheels, as main drive wheels; a second motor adapted to drive...
7591338 Hydraulic transaxle and vehicle comprising it  
A steerable hydraulic transaxle comprises: a kingpin relatively rotatably supported by a vehicle chassis; a housing fixed to the kingpin; a single axle disposed in the housing; a single wheel fixed...
7588118 Work machine with engine control device  
A work machine with an engine control device is provided, which is capable of ensuring fine controllability and providing further improved fine controllability with a simple construction. To this...
7588104 Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus  
An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft...
7588103 Hydrostatic transaxle and hydraulically driven vehicle  
A hydrostatic transaxle, comprises: a transaxle casing; a pair of left and right axles disposed in the transaxle casing; a pair of hydraulic motors for driving the respective axles; and a pair of...
7559865 Transmission apparatus for a working vehicle  
A working vehicle comprises: a power source having an output shaft; axles; a cargo deck; and a transmission apparatus for driving axles disposed below the cargo deck. The transmission apparatus...
7559397 Energy storage type of dual-drive coupled power distribution system  
An energy storage type of dual-drive coupled power distribution system adapted to an all wheel driving (AWD) transportation means having a revolution output end from an internal combustion engine...
7549499 Hydraulic hybrid four wheel drive  
An hybrid four wheel drive system characterized by a vehicle having a conventional rear wheel driveline as well as a conventional driving front steer axle powered by an hydraulic motor. The hybrid...
7549498 Control for an all-wheel-drive vehicle  
A method is provided for controlling an all-wheel-drive vehicle. The method includes providing an aggression signal and determining a desired speed ratio based on the aggression signal. An output...
7540349 Transaxle apparatus for four-wheel drive vehicle  
A transaxle apparatus for a four-wheel drive vehicle, comprises: a hydraulic pump; a housing; a hydraulic motor disposed in the housing so as to be driven in response to fluid from the hydraulic...
7533754 Hybrid motor vehicle driveline  
A hybrid motor vehicle ( 10 ) has a four wheel drive arrangement in which the front wheels ( 12 and 13 ) are driven by the engine ( 11 ) in two wheel drive mode and all four wheels ( 12 - 15 ) in...
7520362 Steering system for crane  
A steering system ( 10 ) for a vehicle, such as a gantry crane ( 12 ). The gantry crane ( 12 ) generally includes a support structure ( 14 ) having a first front wheel ( 32 ) and a second opposing...
7506717 Hydraulically driven vehicle  
The present invention includes a hydraulic pump ( 11 ), a variable displacement hydraulic motor ( 5 ) for traveling driven by pressure oil from the hydraulic pump ( 11 ), a motor displacement...
7503172 Hydrostatic transaxle  
A hydrostatic transaxle is provided for a vehicle having a first axle and a second axle. The hydrostatic transaxle comprises: a hydraulic pump; a first hydraulic motor drivingly connected to the...
7464785 Off road vehicle  
The invention describes vehicles where the steering effect of the driver-selected wheel angles is made identical to the steering effect of positively and independently driving the driven wheels. A...
7455145 Hydraulic steering transaxle and hydraulic driving vehicle  
A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a...
7455144 Hydraulic transaxle apparatus with flexible ports  
A transaxle apparatus comprises: a housing; a hydrostatic transmission disposed in the housing, the hydrostatic transmission including a hydraulic pump receiving power from a prime mover, a first...
7455143 Vehicle drive unit  
A vehicle drive unit, for quickly recovering a grip even if a wheel slips, in which in a slip state or at a time when the slip state is going to be generated, by pulsating a torque applied to the...
7451850 Drive control apparatus and method for vehicles  
A drive control apparatus and method for a vehicle having an internal combustion engine driving main drive wheels, an electric motor driving auxiliary drive wheels, and a clutch disposed between...
7445080 Variable steering rack system  
A variable steering rack system in one embodiment includes a pair of stop rings and a stopper moveable between the rings. The stopper may be rotatable in one embodiment during translational...
7419025 Hydraulic transaxle and vehicle comprising it  
A hydraulic transaxle comprises a transaxle casing for supporting left and right axles, a pair of hydraulic motors disposed in the transaxle casing so as to drive the respective left and right...
7398842 Articulating quad-drive wheelchair  
A self-propelled wheelchair with independently driven wheels and dual support frames connected in an articulating relationship. A front frame supports a seat and a rearward extended pivot...
7389847 Hydraulic four-wheel driving articulated vehicle  
A hydraulic four-wheel driving articulated vehicle comprises: a first frame, on which first axles and a first hydraulic motor driving the first axles are mounted; a second frame, on which second...
7386383 Differential limiting control apparatus for a vehicle and the method thereof  
A differential limiting control apparatus for a vehicle has: clutch unit interposed between one rotational shaft and the other rotational shaft for variably transmitting a driving force between the...
7363759 Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus  
An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft...
7328763 Hybrid drive system of vehicle  
A hybrid electric drive system for a vehicle comprises a combustion engine ( 1 ), a transmission ( 2 ), a first clutch ( 3 ) disposed between the engine ( 1 ) and the transmission ( 2 ), a rotating...
7314105 Electric drive axle assembly with independent dual motors  
An electric drive axle includes a pair of center mounted electric motors that independently drive a pair of laterally spaced wheels. The electric drive axle includes an axle housing assembly that...
7296648 Power control apparatus for hybrid vehicle  
A power control apparatus for a hybrid vehicle ( 1 ), the hybrid vehicle including an internal combustion engine ( 11 ), a front motor-generator ( 12 ), and a transmission ( 13 ) which are...
7290633 Steering responsive wheel drive system  
A vehicle drive speed control system is provided for a vehicle having driven rear wheels, driven steerable front wheels, a powertrain for driving the front and rear wheels at controllable speeds. A...
7264070 Vehicle drive system  
In a vehicle drive system, a pair of rear wheels is driven by first and second motors. The first motor is designed to specifications suited to delivering torque at low rotational speeds and the...
7255193 Speed equalizing linkage design for dual hydrostatic transmissions  
An HST propel system includes first and second pumps having displacements variable in response to movement of first ( 31 ) and second ( 33 ) control shafts, respectively; and a linkage arrangement...
7224142 Battery load power detecting system  
A battery load power detecting system includes a generator current sensor which detects a current supplied from a generator to at least one of a battery and a load group including a steering...
7216943 Hybrid vehicle  
A hybrid vehicle is capable of performing regenerative operations of generator-motors disposed adjacently to front wheels and/or rear wheels of the vehicle so as to achieve efficient conversion of...
7182168 Vehicle drive force control apparatus  
A vehicle driving force control apparatus is configured to provide a vehicle drive force control apparatus that can expand the operating region within which an electric motor can be driven in a...
7172046 Four-wheel drive combine with slip control  
An agricultural combine has a variable displacement pump connected to four drive motors that drive four wheels. An electronic controller monitors the speed of each wheel and reduces the torque of...
7150340 Hub drive and method of using same  
A hub drive includes an in-hub motor and a shifting in-hub transmission coupled with the motor. A hub drive wheel assembly includes a wheel comprising a hub, an in-hub motor, and a shifting in-hub...
7137469 Running power transmission mechanism for a vehicle  
A running power transmission mechanism for a vehicle for transmitting drive power from a driving source to a pair of steering wheels and a pair of non-steering wheels. A main-HST outputs...
7121374 Four-wheel drive combine with slip control  
An agricultural combine has a variable displacement pump connected to four drive motors that drive four wheels. An electronic controller monitors the speed of each wheel and reduces the torque of...
7096989 Hydraulic transaxle apparatus for a four-wheel driving vehicle and four-wheel driving vehicle using the apparatus  
An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft...
7090045 Four wheel-drive vehicle  
An articulate vehicle comprises a first frame disposed at one of front and rear portions of the vehicle and a second frame disposed at the other of front and rear portions of the vehicle. The first...
7059442 Drive assembly for four-wheel drive vehicles  
A drive assembly for vehicles with front wheels and rear wheels, especially for tractors, agricultural machinery, construction machinery or for self-driving machines, has an engine ( 1 ), a first...
7044259 Hydraulic transmission for driving and steering wheels  
In a hydraulic transmission for driving and steering wheels of a vehicle, which has at least a first pair of laterally disposed wheels, a first hydraulic pump is operatively connected to a driving...
7044258 Direct drive suspension  
A skid steer vehicle is supported on four gearboxes that function both as control arms and as speed reduction gearboxes. Each side of the vehicle's chassis has two gearboxes to which it is coupled....
7044255 Electric generating system for automobiles and its control method  
An electric generating system for automobiles has a primary generator which is driven by an internal combustion engine of an automobile and supplies power to an electric load of the automobile and...
7025162 Hydraulically driven vehicle  
A articulate vehicle comprises a first frame disposed at one of front and rear portions of the vehicle and a second frame disposed at the other of front and rear portions of the vehicle. The first...
7000724 Skid steer vehicle with bogie suspension  
A skid steer vehicle has a suspension that includes two bogies pivotally connected to the sides of the vehicle and extending fore-and-aft along each side of the vehicle. The bogies are pivotally...
6991058 Hydrostatic transmission device of a mobile machine  
The vehicle has two groups of displacement members ( 1, 2, 3, 4 ), one of which groups is steerable. The apparatus comprises a closed transmission circuit which includes a pump ( 50 ) and hydraulic...
6945347 Drive power controller for hybrid vehicle  
A drive power from an engine is transferred to front wheel drive systems and rear wheel drive systems via a central differential. A torque distribution ratio between front and rear wheels defined...
6926111 Vehicle having front and rear steerable driven wheels  
A vehicle, comprising a prime mover, a steering operation device, a first transaxle apparatus disposed at one of front and rear portions of the vehicle, and a second transaxle apparatus disposed at...
Matches 1 - 50 out of 273 1 2 3 4 5 6 >