Matches 1 - 50 out of 403 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
7399250 All-wheel drive train  
In an all-wheel drive train for a motor vehicle wherein the drive torque of the engine of the motor vehicle is transmitted from the transmission output shaft partially to the rear axle and...
7374012 Operation control system for small-sized vehicle  
An operation control system for a small-sized vehicle is capable of reducing an electric power consumption of a battery used for a power steering apparatus. The operation control system includes a...
7325640 Power transmission system for four-wheel drive vehicle  
A power transmission system for a four-wheel drive vehicle comprises a power transmission mechanism provided in a vehicle arranged such that power is always transmitted to one of two pairs of...
7291083 Inter-axle differential assembly  
An inter-axle differential assembly includes a forward side gear and a rear side gear that are supported by an input shaft. The forward and rear side gears are in meshing engagement with a...
7290634 Vehicle differential control  
A differential control system for the center and rear differentials of a four-wheel-drive vehicle comprises a controller ( 28 ) which receives signals input from a number of sensors including ride...
7281617 Active torque coupling with hydraulically-actuated rotary clutch actuator  
A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and an electrohydraulic clutch system for controlling engagement of the friction clutch. The...
7258213 Power transmission devices having torque transfer coupling with power-operated clutch actuator  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
7258187 Torque vectoring axle  
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive...
7229139 Control system for brake-steer assisted parking and method therefor  
A system and method of controlling an automotive vehicle includes determining a steering wheel angle, determining a steering wheel direction, determining a steering wheel angular rate and applying...
7150694 Power take-off unit for four-wheel drive vehicle  
A full-time power take-off unit is equipped with a dual-mode bi-directional overrunning clutch and a shift mechanism to establish all-wheel drive and part-time four-wheel drive modes. Further, the...
7147094 Drive power transmission control device  
A drive power transmission control device is provided with an electromagnetic drive power transmission device and an ECU for controlling the application of electric current to an electromagnetic...
7111717 Power transmission apparatus of four wheel drive apparatus  
A power transmission apparatus T of a four wheel drive vehicle is provided with a multiple disc clutch C engaged in accordance with a difference between rotational speeds of a front wheel Wf and a...
7111716 Power-operated clutch actuator for torque transfer mechanisms  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
7101304 Electric shift transfer case  
The present invention provides a shift mechanism disposed in a housing for providing operable communication between a shift actuator and a shift sleeve. The shift mechanism generally includes a...
7083539 Torque distributing drive axle assembly  
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to the axleshafts. The drive...
7083030 Torque transfer coupling with magnetorheological clutch actuator  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
7080707 Torque vectoring drive axle assembly  
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive...
7059992 Power transfer assembly for four-wheel drive vehicle  
A power transfer assembly for a four-wheel drive vehicle includes first and second output shafts and a drive mechanism operable to selectively transfer drive torque from a driven input shaft to the...
7044880 Torque distributing differential assembly  
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts....
7017702 Transport engine and drive arrangement  
A parallel engine and transmission drive arrangement with application to both land and marine vehicles reduces the large moment arm and moment about the rear axle in the case of land vehicles, and...
6991080 Power transmission devices with active torque couplings  
A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and a electrohydraulic clutch actuator for controlling engagement of the friction clutch. The...
6991079 Power transfer device with hydraulically-actuated clutch assembly  
A torque transfer mechanism having a transfer clutch connecting a pair of rotary members and a electrohydraulic clutch actuator for controlling engagement of the transfer clutch. The clutch...
6988602 Torque transfer coupling with magnetorheological clutch actuator  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6971494 Torque transfer coupling with friction clutch and hydraulic clutch actuator  
A hydraulic coupling having a multi-plate friction clutch assembly operably connecting a pair of rotary members and a hydramechanical clutch actuator for automatically controlling engagement of the...
6966396 Electronically-controlled rear drive module for all-wheel drive system  
A drive axle assembly for an all-wheel drive vehicle includes an adaptively controlled first hydraulic coupling for providing front-to-rear torque transfer control to a first wheel and an...
6962227 Torque vectoring drive axle assembly  
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive...
6948604 Hydraulically-actuated pilot clutch type clutch assembly  
A torque transfer mechanism having a transfer clutch connecting a pair of rotary members and a electrohydraulic clutch actuator for controlling engagement of the transfer clutch. The clutch...
6945375 Torque transfer device having an electric motor/brake actuator and friction clutch  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6945374 Active torque coupling with hydraulically-actuated ball ramp clutch assembly  
A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and a electrohydraulic clutch actuator for controlling engagement of the friction clutch. The...
6942055 Electronically-controlled rear module for all-wheel drive system  
A drive axle assembly for an all-wheel drive vehicle includes an adaptively controlled first hydraulic coupling for providing front-to-rear torque transfer control to a first wheel and an...
6938748 Wedge fork clutch actuator for driveline clutches  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6918851 Concentric shift system for engaging an interaxle differential lock  
An interaxle differential is provided which includes a side gear, a clutch gear torsionally locked on a first input shaft and axially slidably mounted thereon and an annular piston mounted in a...
6878085 Power distribution control apparatus and control method  
In a differential limiting torque control section, a target differential rotation speed between front and rear drive shafts is established according to a dial position inputted by a driver of a...
6862953 Modular bi-directional clutch assembly  
A controllable, multi-mode, bi-directional overrunning clutch assembly and a shift system are adapted for use in a power transmission device. The clutch assembly includes a first ring journalled on...
6851537 Worm driven ball screw actuator for traction clutches  
A torque transfer mechanism for controlling the magnitude of a clutch engagement force exerted on a clutch pack that is operably disposed between a first rotary member and a second rotary member...
6843338 Traction distribution control system for four-wheel drive vehicle  
A traction distribution control system for a 4WD vehicle is constructed to calculate a difference gain in accordance with a difference in spinning state between main driving wheels, and determine a...
6820712 Differential locking control system  
A vehicle has a lockable differential. The lockable differential generally comprises an actuator and a locking mechanism. The vehicle also has a motor. The actuator, the motor or both are...
6817434 Active hydraulically actuated on-demand wheel end assembly  
The vehicular axle assembly includes an input shaft, a drive gear assembly connecting the input shaft to a pair of output shafts, pair of opposite wheel ends mounted to the outboard ends of the...
6810983 Control apparatus and method for four wheel drive vehicle  
A control apparatus for four wheel drive vehicle having differential limiting unit has: turning state determining unit; actual left and right wheel differential speed calculating unit; target...
6808053 Torque transfer device having an electric motor/brake actuator and friction clutch  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6808052 Torque transfer device with double ball screw clutch actuator  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6805652 On-demand transfer case with controllable bi-directional overrunning clutch assembly  
A controllable, multi-mode, bi-directional overrunning clutch assembly and a mode shift system are adapted for use in a transfer case for transferring drive torque from a primary output shaft to a...
6790154 Rear axle having electromagnetic clutches and geared differential  
A rear axle assembly for a primary front wheel drive motor vehicle includes two electromagnetic clutches and a geared differential. A first electromagnetic clutch provides torque to the geared...
6786293 Two-Wheel-drive/four-wheel-drive switching system for vehicle  
A two-wheel-drive/four-wheel-drive switching system for a vehicle wherein a switching mechanism is securely fixed and functions of the switching mechanism can be secured, preventing noise from...
6783475 All-wheel distributor gearbox for a motor vehicle  
An all-wheel distributor transmission ( 1 ) is described for a motor vehicle comprising a planetary gear set as multiplication step ( 2 ) for a switchable off-road gear and a planetary gear set ( 3...
6766889 Wedge fork clutch actuator for driveline clutches  
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a...
6745885 Power distribution control apparatus for four-wheel drive vehicle and a method for controlling the apparatus  
A power distribution control apparatus determines a command value that corresponds to the driving state of a four-wheel drive vehicle. The vehicle includes a pair of front wheels and a pair of rear...
6719082 Device for preventing wheel lock of vehicle  
In a vehicle in which an engine output power is transmitted to front and rear wheels through a transmission and an inter axle differential, a wheel lock prevention device is provided. The wheel...
6701804 Power switching apparatus  
In a power switching apparatus which switches a power transmitting state from a drive member to left and right two driven members, a circumferential connection surface of the drive member and each...
6697725 Load-based torque redistribution method in 4-wheel drive vehicle  
A method for redistributing driving torque between front and rear driving wheels of a vehicle traveling at essentially the same speed. The method includes determining a vehicle condition...
Matches 1 - 50 out of 403 1 2 3 4 5 6 7 8 9 >