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7565942 |
Vehicle drive control system and method
In a drive control system for a hybrid vehicle, the electric power generated by an alternator driven by an engine and the electric power regenerated by a motor-generator are stored in a battery....
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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...
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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...
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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...
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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...
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7441623 |
Multi-motor drive system for a work machine
A multi-motor drive system for a work machine has a first traction device and a second traction device substantially aligned transversely of a primary travel-direction of the work machine. The...
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7395893 |
Four-wheel drive hybrid vehicle
A hybrid drive system for a four-wheel drive system arranged to supply motive power to a primary output shaft of a transfer case from an internal combustion engine and to a secondary output shaft...
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7395889 |
Hybrid drive unit for vehicles
A hybrid drive unit for vehicles, in which a power distribution device is arranged in a power transmission route between an engine and a wheel, in which the power distribution device has a first to...
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7374000 |
Electric generating system for automobiles and its control method
To provide a vehicle driving apparatus capable of providing a sufficient driving force. A driving high-power generator is driven by an engine. A DC motor is driven directly by energy from the...
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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...
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7237639 |
Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle
A control device controls a hybrid-four-wheel-driven vehicle wherein one of the front-wheel pair and the rear-wheel pair is an engine-driven-wheel pair which is driven by an engine, and the other...
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7140460 |
Vehicle driving force control apparatus
A driving force control apparatus is provided for a vehicle capable of preventing a shock from being generated by disengaging a clutch disposed between a subordinate drive source and subordinate...
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7140459 |
Vehicle driving force control apparatus
A vehicle driving force control apparatus is provided for a vehicle having a drive source configured to drive a generator and an electric motor configured to drive an electric motor driven wheel by...
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7114589 |
Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle
A control device controls a hybrid-four-wheel-driven vehicle wherein one of the front-wheel pair and the rear-wheel pair is an engine-driven-wheel pair which is driven by an engine, and the other...
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7074149 |
Transmission for wheel type working vehicle
A transmission for a wheel type working vehicle which makes it possible to reduce a size of a transmission mechanism for transmitting a mechanical driving force and a hydraulic driving force from...
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7059443 |
Motor-cooling structure of front-and-rear-wheel-drive vehicle
A rear wheel driving unit of a hybrid vehicle includes an oil catch tank that stores oil splashed from an oil sump formed on a bottom of a casing body by a driven gear of a differential. A slinger...
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7053568 |
Battery-powered vehicle with AC driven traction and pump motors for mining applications
A battery-powered vehicle for transporting a mined payload or supplies over the roadways existing in or around an underground mine, includes variable voltage, variable frequency drivers that...
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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...
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6892846 |
Four-wheel drive assist for electric machines
A four-wheel drive assist for electric machines includes an electric drive system for driving wheels at a non-steering end and a selectively operable hydraulic system for driving wheels at a...
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6880664 |
All-wheel drive vehicle with hybrid drive
An all-wheel drive with hybrid drive has an internal combustion engine ( 1 ), a first drive train ( 4 ) for a first driven axle ( 2 ), a second drive train ( 10 ) for a second driven axle ( 3 ), an...
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6879888 |
Vehicle drive apparatus, method and computer program
The object of the present invention is to provide a vehicle drive system which enables setting of appropriate start-up torque and restraining of progress of battery deterioration. A vehicle drive...
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6877578 |
Multi-axle vehicle drive system
A drive assembly including an electric motor and frequency variable generator for use with a multi-axle vehicle. The vehicle generally includes an engine driving a first axle and a drive assembly...
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6857494 |
Steering-wheel revolution number correction system of all-wheel-drive vehicle
Turning radius is calculated from steering angles of steering-wheels and articulation angles of respective frames, and the steering-wheels are automatically rotated faster than rear-wheels based on...
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6684970 |
Hybrid system for vehicle with 4WD start mode
A hybrid system or a control method for a vehicle having a first set of road wheels and a second set of road wheels is disclosed. The system comprises an engine controller for receiving a torque...
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6644429 |
Hydrostatic auxiliary drive system
A dual path hydrostatic drive system having an electronic auxiliary drive auxiliary drive controller controlling the hydraulic output of left and right variable displacement pumps in response to...
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6592488 |
Integrated viscous transmission in a differential
A differential drive for use on a vehicle to control the transfer of torque between the front and rear axles of a vehicle. The differential drive includes a rotatably driven differential housing...
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6549840 |
Vehicle control apparatus for front and rear drive ratio on the basis of operator's desired vehicle drive force and static and dynamic vehicle states
A vehicle control apparatus for controlling a four-wheel-drive automotive vehicle of a type which comprises a first drive power source for driving one of a pair of front wheels and a pair of rear...
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6540035 |
Hybrid vehicle
A hybrid vehicle including: an engine and a motor-generator for outputting drive forces to run a vehicle; and a brake pedal for applying a braking force to the running vehicle. While an engine...
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6435296 |
Torque detector and controls for prohibiting the operation of an electric motor on a hybrid vehicle when the driving torque of the vehicle exceeds a predetermined value during start-up
Either the front wheels and rear wheels of a front wheel- and rear wheel-drive vehicle are driven by an engine and the other thereof are driven by an electric motor. The electric motor is operated...
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6419040 |
Driving force control system for four-wheel drive vehicles
A four-wheel drive vehicle is provided in which the main driven wheels are driven by an engine via a torque converter and the auxiliary driven wheels are driven by an electric motor. The response...
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6367572 |
Drive assistance apparatus for a vehicle having a main transmission that is mechanical
Apparatus for providing drive assistance in a vehicle having a main transmission that is mechanical. The apparatus comprises a hydraulic motor of the type having radial pistons that is powered by a...
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6345225 |
Electromechanical brake system
This invention relates to an electromechanical brake system, in particular for automotive vehicles, which includes a pedal module and at least two brake modules. Further, a central module may be...
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6321865 |
Front-and-rear wheel drive vehicle
A front-and-rear wheel drive vehicle includes: an engine driving one of pairs of front wheels and rear wheels; a motor driving the other pair of wheels; a wheel speed sensor detecting wheel speeds...
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6182780 |
Multiple wheel drive assembly
A multiple wheel drive assembly including front and wheel axles and four independent gear boxes one for each wheel axle and two intermediate gear boxes each of which is connected to a pair of front...
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6176084 |
Hydraulic system for propelling a vehicle
A hydraulic system for propelling a vehicle, and with the system arranged with a pump and vehicle drive motors and valves and pilot lines. The operator can select an all-wheel drive or a lesser...
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6164402 |
Control of pump for hydraulic front wheel drive
A vehicle propel system, including a hydrostatic transmission having wheel motors (37L,37R) and a variable displacement pump (39), variable in response to a pump displacement command signal (51)....
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6125953 |
Coupling device between left and right wheels of vehicle
A coupling device to be provided between left and right wheels of a vehicle has an electric motor and a switching mechanism switchable between a starting assistance state in which a torque is...
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6123398 |
Running stablizing apparatus to be mounted on vehicle
A difference rotation generating apparatus which generates a difference rotation between the left and right idler wheels by an output torque of an electric motor. When the driving condition of the...
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6098738 |
Hydraulic drive system for a vehicle
A drive system for a hydraulically driven vehicle which includes bidirectional hydraulic motors. Two front hydraulic motors are in parallel as are two rear hydraulic motors. One of the front...
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5988307 |
Power transmission apparatus, four-wheel drive vehicle with power transmission apparatus incorporated therein, method of transmitting power, and method of four-wheel driving
A clutch motor 30 that includes a rotatable outer rotor 32 and a rotatable inner rotor 34 and is driven to carry out power operation or regenerative operation is attached to an output shaft of an...
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5960897 |
Auxiliary vehicle driving system
An auxiliary driving system is provided to ensure that a vehicle equipped with an automatic transmission can be moved or permitted to travel without use of the driving force of the vehicle engine...
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5941334 |
Yaw moment control apparatus for vehicle
A left hydraulic pump connected to a left wheel and a right hydraulic pump connected to a right wheel of a vehicle are connected by a first oil passage and a second oil passage to constitute a...
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5810106 |
Vehicle drive system
A drive system is provided including first and second primary drive motors that are connected to drive opposing wheels at one end of a vehicle. Each primary drive motor is connected to and drives a...
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5687808 |
Four wheel drive mechanism
A torque is transmitted between a fluid pressure pump driven together with drive of a vehicle, and a fluid pressure motor that rotates together with driven wheels. The fluid pressure motor has two...
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5564519 |
Four-wheel traveling system for tipper
In a four-wheel drive traveling system for a tipper, an output side of an engine is connected to rear wheels via a power transmission, at least one variable hydraulic motor for driving the front...
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5553517 |
All wheel drive torque control lever override
A torque control lever override of an all wheel drive system matches the front wheel fluid flow, as the wheels are turning, to the flow the pump is generating before the two are connected together....
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5540299 |
System for driving an automotive vehicle
The left rear wheel is driven with the left motor and the right rear wheel is driven with the right motor. Selection of a control mode is made from a first control mode in which the left and right...
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5489007 |
Dynamic braking on an all wheel drive machine
Dynamic braking on the all wheel drive front wheel motors of a motor grader is implemented by turning on all the wheel drive system, depressing the inching pedal, sensing brake pressure,...
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5474147 |
Slip control in a machine for matching hydraulic pump fluid flow to pump driven supplementary front wheel drive motor fluid flow
A method is provided for controlling hop in an all wheel drive machine having a torque control lever and a pump for supplying pressurized fluid to wheel motors for effecting all wheel drive. The...
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5420791 |
Supplemental front wheel drive control system
An electronic control is provided for controlling the drive speed of a supplemental drive relative to an engine driven main drive of a vehicle. A fluid pump driven by the engine provides...
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