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Class Information
Number: 180/248
Name: Motor vehicles > Having four wheels driven > With differential means for driving two wheel sets at dissimilar speeds
Description: Vehicle provided with means which modifies the driving effort of the motor to the extent of causing it to drive one set of wheels (e.g., the front) at one speed and the other set (e.g., the rear) at another speed.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617902 |
Biasing drive torque to a secondary axle in a motor vehicle powertrain |
Nov. 17, 2009 |
| 7613559 |
Method for automatically actuating longitudinal blocks in four wheel drive vehicles, in particular in working machines and service vehicles |
Nov. 3, 2009 |
| 7607506 |
Driving force distribution control apparatus of vehicle |
Oct. 27, 2009 |
| 7600598 |
Biasing drive torque to a secondary axle in a motor vehicle powertrain |
Oct. 13, 2009 |
| 7597168 |
Low engine speed steering performance |
Oct. 6, 2009 |
| 7593799 |
Torque transmission device |
Sep. 22, 2009 |
| 7588112 |
Bi-directional clutch and vehicle with it |
Sep. 15, 2009 |
| 7581612 |
Drive force distribution device and method for distributing drive force |
Sep. 1, 2009 |
| 7578762 |
Four-wheel drive vehicle transmission |
Aug. 25, 2009 |
| 7562947 |
Apparatus for controlling driving force of vehicle |
Jul. 21, 2009 |
| 7553250 |
Drive train of an all-wheel drive vehicle |
Jun. 30, 2009 |
| 7549497 |
Four-wheel drive vehicle running normally and with object towed thereby |
Jun. 23, 2009 |
| 7533754 |
Hybrid motor vehicle driveline |
May. 19, 2009 |
| 7530421 |
Vehicle drive power distribution device |
May. 12, 2009 |
| 7510041 |
Drive axle assembly with torque vectoring drive mechanism |
Mar. 31, 2009 |
| 7507178 |
Transmission unit |
Mar. 24, 2009 |
| 7503416 |
Torque distributing drive mechanism with limited slip |
Mar. 17, 2009 |
| 7497297 |
On demand vehicle drive system |
Mar. 3, 2009 |
| 7493982 |
Control device for a four-wheel drive vehicle |
Feb. 24, 2009 |
| 7467678 |
Hybrid four-wheel-drive |
Dec. 23, 2008 |
| 7464779 |
All-wheel drive motor vehicle |
Dec. 16, 2008 |
| 7458437 |
Arrangement in a four-wheel drive motor vehicle |
Dec. 2, 2008 |
| 7421328 |
Vehicle slip state determination system and traveling state control system |
Sep. 2, 2008 |
| 7399250 |
All-wheel drive train |
Jul. 15, 2008 |
| 7392875 |
Four-wheel drive system |
Jul. 1, 2008 |
| 7386383 |
Differential limiting control apparatus for a vehicle and the method thereof |
Jun. 10, 2008 |
| 7386382 |
Steering compensated speed override for vehicle drive system |
Jun. 10, 2008 |
| 7384366 |
Transfer case with torque synchronizer clutching |
Jun. 10, 2008 |
| 7384357 |
Speed reduction gear train with planetary differential for electric motor axle drive |
Jun. 10, 2008 |
| 7383910 |
Drive force control method for four-wheel drive vehicle |
Jun. 10, 2008 |
| 7374255 |
Control method for four-wheel drive vehicle |
May. 20, 2008 |
| 7357208 |
Control system for an at least temporarily four wheel-driven motor vehicle |
Apr. 15, 2008 |
| 7343998 |
All-terrain vehicle with subtransmission detachably mounted to the engine |
Mar. 18, 2008 |
| 7334655 |
Control system for an at least temporarily four wheel-driven motor vehicle |
Feb. 26, 2008 |
| 7325640 |
Power transmission system for four-wheel drive vehicle |
Feb. 5, 2008 |
| 7326144 |
Vehicle transmission systems |
Feb. 5, 2008 |
| 7316304 |
Four-wheel drive center disconnect electric actuator |
Jan. 8, 2008 |
| 7315776 |
Control device for an at least part-time four-wheel-drive motor vehicle |
Jan. 1, 2008 |
| 7294083 |
Torque vectoring axle assembly |
Nov. 13, 2007 |
| 7290633 |
Steering responsive wheel drive system |
Nov. 6, 2007 |
| 7264078 |
Calibration method for inter-axle differential control system |
Sep. 4, 2007 |
| 7264077 |
Drive force control method for four-wheel drive vehicle |
Sep. 4, 2007 |
| 7258185 |
Drive power transmission equipment |
Aug. 21, 2007 |
| 7258187 |
Torque vectoring axle |
Aug. 21, 2007 |
| 7252173 |
Differential gear for a vehicle |
Aug. 7, 2007 |
| 7254471 |
Transfer case having selectable driving modes suited to motor vehicle load and road conditions |
Aug. 7, 2007 |
| 7248957 |
Control device for an at least partially four-wheel-driven motor vehicle |
Jul. 24, 2007 |
| 7207409 |
Two speed all wheel drive system |
Apr. 24, 2007 |
| 7201266 |
Hydraulic clutch actuation system |
Apr. 10, 2007 |
| 7188018 |
Control device for an at least partially four-wheel-driven motor vehicle |
Mar. 6, 2007 |
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