Match Document Document Title
9022158 Four-wheel-drive vehicle and control unit for four-wheel-drive vehicle  
A four-wheel-drive vehicle includes a dog clutch provided between a propeller shaft and an engine, a torque coupling provided between a rear differential and rear wheels, and an ECU that controls...
9016150 Transmission having selectable power transfer shaft  
A vehicle powertrain includes a transaxle configured to drive front wheels and a power take-off unit configured to drive rear wheels through a driveshaft. The power take-off unit includes a...
8986151 Disconnecting rear drive axle for longitudinally arranged powertrains  
A powertrain with a disconnecting rear drive axle generally includes a prime mover including an output that rotates about a rotational axis. A transmission includes an output that rotates about a...
8978810 Tractor  
The present invention provides a tractor which is configured such that front wheel axles are disposed above upper portions of front wheels so that the front wheels are prevented from being impeded...
8948991 Left-right wheel drive force distribution control apparatus for a vehicle  
Upon determining than an over-steered state exits, a feedback control coefficient for a rear wheel total drive force is set to 0 and a feedback control coefficient for a rear wheel drive force...
8939248 Utility vehicle transmission controls with common pivot shaft  
Utility vehicle transmission controls include a common pivot shaft extending transversely across at least part of the operator station. The common pivot shaft has an integral collar. A shift lever...
8938345 Left-right wheel drive force distribution control apparatus for a vehicle  
A vehicle left-right wheel drive force distribution control apparatus is provided for improving the handling of a vehicle when a steering wheel of the vehicle is being returned toward a center...
8918259 Method of managing a device that splits drive torque between the front and rear wheelset of a vehicle  
A splitting of drive torque between front and rear wheelsets includes an actuator to split the torque between the wheelsets, an electronic unit controlling switching of the actuator into a coupled...
8909448 Driving force distribution control device and four-wheel-drive vehicle  
A driving force distribution control device, which is mounted on a vehicle including an engine configured to generate driving force for the vehicle, a transmission device configured to shift...
8887856 Bearing support for a transaxle final drive assembly  
A drive assembly for a vehicle powertrain includes a planetary gearset including an input and an output, for producing a speed reduction of the output relative to the input, a sprocket secured to...
8888647 Two-speed power take-off unit with mode clutch  
A two-speed power take-off unit adapted for installation in an all-wheel drive vehicle having a transversely mounted engine/transaxle powertrain. The two-speed power take-off unit includes a...
8885304 Drive force distribution control apparatus  
A drive force distribution control apparatus in which if a relay output voltage (Vah) detected by relay-output-voltage detecting means (30) is lower than a first threshold, the relay is repeatedly...
8827025 Default open differential control switch  
A vehicle is described having plural modes of operation for the front and rear differential and whereupon start-up of the vehicle, the front and rear differentials are opened to their most open...
8825314 Work machine drive train torque vectoring  
A machine may include a powertrain drivingly connected to left and right front and rear wheels through a torque transfer unit to transfer torque to the front wheels as a function of a desired...
8818632 Detection of uncommanded motion of a steering motor  
In a machine having a differential steering control system, uncommanded motion may be determined by comparing an actual speed of a steering motor to a commanded turn direction signal from an...
8818653 Transmission shifting with speed dither and torque dither  
A system and method of dithering speed and/or torque for shifting a transmission of a vehicle having an engine, a reversible, variable displacement hydraulic motor/pump which can be driven by the...
8795125 Tandem axle with optimized inter-axle drive  
Various drive axle systems are described each having a bevel gear system associated with the front axle system that is designed to minimize the angle of the inter-axle driveline with respect to...
8762019 Operation method of a transmission device  
A method of operating a transmission device comprising at least one input shaft and at least two output shafts. Torque that is present at the input shaft can be distributed between the two output...
8739915 Drivetrain and method for controlling a drivetrain  
A drivetrain for a motor vehicle, which has a permanently driven rear axle and a front axle which is driven on demand. The drivetrain comprises a drive unit whose output is connected to an input...
8720633 All wheel drive speed synchronization and connection  
A vehicle driveline includes a power source, a transmission connected to the power source and including an output driveably connected to primary road wheels, a driveshaft, a synchronizer that...
8725376 Vehicle  
A vehicle can be operated in a first drive mode in which a front differential is set to a non-driven state and a rear differential is set to a differential state, a second drive mode in which the...
8694224 Vehicle yaw rate correction  
A control system or method for a vehicle references a camera and sensors to determine when an offset of a yaw rate sensor may be updated. The sensors may include a longitudinal accelerometer, a...
8689664 Backhoe loader  
A backhoe loader includes a multi-axis transmission that includes: an input shaft to which power is inputted; a front output shaft coupled to a front wheel; a rear output shaft disposed in a...
8682550 Primary clutch electronic CVT  
A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT...
8620546 Drive state control apparatus for vehicle  
An on-demand-type drive state control apparatus for a vehicle is provided. In the case where acceleration slippage occurs at drive wheels (rear wheels) of a vehicle when a drive system is in a...
8602151 Drive system for a motor vehicle  
A drive system for a motor vehicle with a continuously driven primary axle and a selectably driven secondary axle has a differential that acts between the wheels of the secondary axle, and has a...
8584786 Idle-able power transfer unit  
A vehicle driveline comprising a primary drive system including at least one primary drive wheel and an auxiliary drive system including at least one auxiliary drive wheel is disclosed. The...
8579757 Roller frictional transmission unit  
A roller frictional transmission unit includes: a first roller; a second roller; an input shaft connected with a driving system of main driving wheels, and connected with one of the first roller...
8554441 Phasing of traction control based on vehicle speed and road slope  
A traction control system and methodology that utilize a phase-out and phase-in of maximum drive torque and/or a regenerative brake torque based on vehicle speed and road slope.
8544588 Power takeoff for all-wheel-drive systems  
A system for transmitting rotary power to the wheels of a motor vehicle includes an input, a planetary final drive connected driveably to the input and including a first output that is driven at a...
8527168 Method and device for ascertaining a rotational speed parameter for determining a setpoint torque  
A method for ascertaining a rotational speed parameter for determining a setpoint torque for driving a drivetrain. The drivetrain comprises a first and at least one second drive assembly for...
8474567 Method for calibrating an actuator of an all-wheel drive clutch  
A method for the readjustment of an actuator of an all-wheel drive clutch of a motor vehicle that includes determining a clutch slip value corresponding to a difference between the speed of a...
8473160 Device for detecting steering operation force  
A steering operation force detection device for a steering wheel including a steering wheel rim having a right-side rim section and a left-side rim section. The device includes load cells that...
8469133 Dual electric motor four wheel drive personnel carrier  
Described is a battery powered, four-wheel, all-terrain vehicle, with independently operable, variable speed, bi-directional electric motors, one of which may selectively used to drive the front...
8398523 Drivetrain for an all-wheel-drive vehicle, and method for controlling the same  
A drivetrain for an all-wheel-drive vehicle which has a first driven axle and a second driven axle. A drive unit is connected to a multi-stage transmission which has a multiplicity of gear stages...
8387741 Drive train arrangement for a vehicle  
A drive train arrangement for a vehicle comprising a main transmission and a transfer box which are both housed within a transmission housing. The transfer box comprises a drive output which is...
8381866 Vehicle transmission  
A vehicle having a main transmission and a front-axle transmission, the connection of which to the main transmission is effected by a connecting shaft of rigid design, a main axis of the...
8381861 Power transfer unit with dual hypoid geartrain  
A transfer case for use in motor vehicles for transferring drive torque from a powertrain to first and second drivelines includes a first output shaft adapted to transmit drive torque from the...
8346448 Output torque control device  
Detection-time torque of a drive source is determined when a value that varies in accordance with depression of an accelerator pedal has exceeded a predetermined value, first torque is determined...
8326480 Method and device for monitoring the state of tires  
Method for monitoring the state of a tire, in which at least one analysis value (UR i), from which the state of a tire is determined, is formed from wheel speed signals (ωrot i) of the vehicle...
8316981 Vehicular actuator arrangement and implementations  
A vehicle drive arrangement is controlled with an actuator arrangement. According to an example embodiment, an actuator arrangement includes a rotatable gear having pins thereon that are applied...
8313407 Power take-off unit with active coupling and hypoid disconnect system  
A vehicle drive train for transferring torque to first and second sets of wheels includes a first driveline adapted to transfer torque to the first set of wheels and a first power disconnection...
8281890 Drive system for vehicles with at least two drivable vehicle axles  
The present invention relates to a drive system for vehicles with at least two drivable vehicle axles (V, H), in particular for utility vehicles and farm tractors. The drive system has an...
8256559 Driving force transmitting device for four-wheel drive vehicle  
A driving force transmission device is for a four-wheel-drive vehicle based on the two-wheel drive of rear wheels or front wheels. In the case of the two-wheel drive of rear wheels, a multi-disc...
8219308 Monowheel type vehicle  
An engine-propelled monowheel vehicle comprises two wheels, close together, that circumscribe the remainder of the vehicle. When the vehicle is moving forward, the closely spaced wheels act as a...
8214114 Control of engine torque for traction and stability control events for a hybrid powertrain system  
An internal combustion engine is mechanically coupled to a hybrid transmission to transmit mechanical power to an output member. A method for controlling the internal combustion engine includes...
8200403 Method for controlling input torque provided to a transmission  
A method for controlling an input torque provided to a transmission includes executing a first iterative search within a first range of permissible torque values to determine a first torque value...
8157703 Power transfer device  
The object of the present invention is to suppress the generation of abnormal noise from a transmission system that occurs when a vehicle is turning. A front wheel output shaft is directly linked...
8103419 Driving force transmission device  
A driving force transmission device includes a transfer torque command value calculation section which calculates a transfer torque command value indicating a command value of the transfer torque...
8078373 Vehicle dynamics prediction with lane/path information using a preview-correction-prediction approach  
A method for predicting the dynamics of a vehicle using information about the path on which the vehicle is travelling that has particular application for enhancing active safety performance of the...