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9057430 Four-wheel drive vehicle  
A four-wheel drive vehicle includes: a driving force transmission system which transmits torque of a drive source to front wheels and rear wheels via gear mechanisms; a clutch provided in the...
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...
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...
8965609 Electric vehicle  
An electric vehicle is presented. The electric vehicle may include a front motor for driving a front wheel; a rear motor for driving a rear wheel; a target torque determiner for determining a...
8875833 Utility vehicle  
A utility vehicle 1 prevents a size increase of a transmission while ensuring a predetermined inter-shaft distance between an output shaft and a rear axle. The utility vehicle 1 is capable of...
8851523 Vehicle frame having rear sub-pipe removably attached to rear pipe and main frame  
A frame for a vehicle to accommodate a large-sized accessory, such as a fuel tank, to be mounted downwardly of a rear pipe without having to lower a rear sub-pipe. A large-sized accessory, such as...
8833534 Transmission for multi-wheel drive vehicle  
A transmission comprises a housing, a transmission gear mechanism disposed in the housing, an output shaft for transmitting power outputted from the transmission gear mechanism to a front wheel...
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...
8746393 Layout of compact all terrain vehicle for fuel tank and rear gear unit positioning  
An engine unit 5 is arranged in the middle of the vehicle body frame 2 with respect to the widthwise direction of the vehicle and rearward of the steering shaft 28, and the fuel tank 10 with a...
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...
8718897 Vehicle dynamics control in electric drive vehicles  
Embodiments of the invention are directed toward a geared traction drive system configured to drive a wheel of a vehicle, comprising: a driveshaft for transmitting power to the wheel; an electric...
8714293 Constant velocity joint with cooling ring  
A constant velocity joint includes an outer housing and an inner race disposed inside the outer housing and spaced therefrom. The outer housing and inner race are respectively rotatable about a...
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...
8682556 Control device for controlling drive force that operates on vehicle  
A control device for controlling a front wheel drive force and a rear wheel drive force of a vehicle includes a first controller for controlling a drive force of main drive wheels and the drive...
8622164 Control apparatus for four-wheel drive vehicle, four-wheel drive vehicle, and control method  
When a count value concerning with the travel of the vehicle in a two-wheel drive state reaches or exceeds a predetermined value, the state of drive in a transfer is temporarily switched to a...
8574111 Dual torque limiter  
A dual torque limiter on a utility vehicle having a gear train connected to a main shaft through a first slip clutch assembly that releases the gear train from the main shaft if torque exceeds a...
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.
8527178 Control apparatus for four-wheel drive vehicle  
In apparatus for controlling operation of a four-wheel drive vehicle having a prime mover (engine), drive wheels driven by the prime mover and free wheels, a VC (viscous coupling; torque...
8517135 Vehicle suspension system having adjustable track width  
A vehicle is disclosed having front and rear suspension systems adapted to change the track width of the vehicle.
8517136 Vehicle  
A vehicle is disclosed. The vehicle may include an operator area including side-by-side seating. The vehicle may further include a prime mover and a transmission operatively coupled to at least...
8517139 Tractor  
With regard to a tractor having a high-powered engine, universal joints must be enlarged, whereby the attachment work of a power transmission shaft becomes difficult. Furthermore, the kind of the...
8505669 Driving force distribution device  
In the case where a difference between rotational speeds of right and left wheels detected by wheel speed sensors is less than a predetermined value, a right and left wheel power transmission...
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...
8459395 Switching device of a driving power transmission system and an off-road vehicle  
A switching device of a driving power transmission system equipped in an off-road vehicle, including a switching lever configured to switch driving power transmission of the driving power...
8430209 Articulated vehicle  
An articulated vehicle has front and rear sections that are connected via a vertically pivot, and the front section has one or more front wheels that pivot a horizontal plane. A first sprocket is...
8403094 Power unit and vehicle equipped with it  
A power unit includes an engine, a belt transmission driven by the engine, and a second transmission driven by the belt transmission. The engine includes an engine output shaft having an end...
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...
8392068 Vehicle behavior control device  
A vehicle behavior control device (S) determines, by using a vehicle velocity (V), a transmission function (K(s)) which is determined based on a specification of the vehicle, receives as an input...
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...
8382125 Side-by-side ATV  
The present invention relates to all terrain vehicles having at least a pair of laterally spaced apart seating surfaces. More particularly, the present invention relates to trail compliant...
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...
8371413 Control device for power transmitting device for four-wheel drive hybrid-vehicle  
A control device for a power transmitting device for four-wheel drive hybrid-vehicle is provided capable of preventing the occurrence of negative torque resulting from power generation control of...
8364360 Motor vehicle with insertable four-wheel drive  
A motor vehicle with insertable four-wheel drive, including an engine having a crankshaft, a pair of main driving wheels constantly connected to the crankshaft by interposition of a gearbox...
8352145 Traction control device  
A traction control device includes: rotation speed detectors provided to wheels; a control-start determiner that determines whether or not to control a braking mechanism and a differential...
8335602 System and method for controlling a hybrid power propulsion unit for a permanent four wheel drive mode operation  
A system for controlling a power propulsion unit of a hybrid type for a four-wheel-drive automotive vehicle that includes at least one electric motor part and at least one thermal engine part...
8327967 Driveline for off-road vehicle  
An off-road vehicle is disclosed which comprises a driveline assembly unit operative Iy connecting the propeller shaft to the front or rear wheel assemblies. The driveline assembly unit includes a...
8322480 Control device and control method for belt-type continuously variable transmission  
A belt-type continuously variable transmission changes winding radii of a belt that is wound around an input-side and an output-side pulley to shift speeds. The belt-type continuously variable...
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...
8256558 Differential system  
A power take-off support portion, including a shaft hole and an outer side surface formed around the shaft hole, is formed on a transaxle housing. The outer side surface of the power take-off...
8239108 Drive line operation method  
A method for operating a vehicle drive train comprising a drive unit, a transmission, and an all-wheel splitter having a clutch. The all-wheel splitter is positioned between the transmission and...
8225898 Arrangement of components in a vehicle, and vehicle incorporating same  
A vehicle includes a vehicle body frame, an internal combustion engine supported on the vehicle body frame, a propeller shaft assembly operatively connected to a crankshaft of the engine, a...
8215440 Drive train for a vehicle with connectable secondary axle  
A drive train of a vehicle is disclosed which comprises a permanently driven primary axle and a secondary axle connectable to the primary axle via a switch-on device with a switch-on mechanism,...
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...
8214117 Driving force controlling apparatus of vehicle  
A driving force controlling apparatus includes a driving force controller configured to determine a state of a road surface. A driving force controller is configured to control a driving force of...
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...
8157044 Drivetrain for an all terrain vehicle  
An all-terrain vehicle including a frame having longitudinally-spaced ends defining a first longitudinal axis, and an engine supported by the frame. The engine includes a crankshaft defining a...
8149587 Drive modularity  
A modular industrial drive system includes a base that receives one or more control modules as a face template. The control modules provide a set of functionalities to the drive system, and the...
8122993 Power steering for an all terrain vehicle  
An all-terrain vehicle including a frame having longitudinally-spaced ends defining a first longitudinal axis, and a power steering unit supported by the frame. The power steering unit has an...