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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 |
| 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 |
| 7264077 |
Drive force control method for four-wheel drive vehicle |
Sep. 4, 2007 |
| 7264078 |
Calibration method for inter-axle differential control system |
Sep. 4, 2007 |
| 7258185 |
Drive power transmission equipment |
Aug. 21, 2007 |
| 7258187 |
Torque vectoring axle |
Aug. 21, 2007 |
| 7254471 |
Transfer case having selectable driving modes suited to motor vehicle load and road conditions |
Aug. 7, 2007 |
| 7252173 |
Differential gear for a vehicle |
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 |
| 7175559 |
Torque vectoring axle assembly |
Feb. 13, 2007 |
| 7168518 |
Multi-wheel-drive vehicle with a front transaxle device |
Jan. 30, 2007 |
| 7150694 |
Power take-off unit for four-wheel drive vehicle |
Dec. 19, 2006 |
| 7124850 |
Four wheel drive assembly and a method for utilizing the same |
Oct. 24, 2006 |
| 7127343 |
Slip control device of four-wheel-drive vehicle |
Oct. 24, 2006 |
| 7101304 |
Electric shift transfer case |
Sep. 5, 2006 |
| 7083539 |
Torque distributing drive axle assembly |
Aug. 1, 2006 |
| 7080707 |
Torque vectoring drive axle assembly |
Jul. 25, 2006 |
| 7082358 |
Fault detecting apparatus for four-wheel drive vehicle |
Jul. 25, 2006 |
| 7059992 |
Power transfer assembly for four-wheel drive vehicle |
Jun. 13, 2006 |
| 7059462 |
Hydraulic clutch actuation system |
Jun. 13, 2006 |
| 7048084 |
Power distribution control apparatus of four-wheel drive vehicle |
May. 23, 2006 |
| 7044880 |
Torque distributing differential assembly |
May. 16, 2006 |
| 7017702 |
Transport engine and drive arrangement |
Mar. 28, 2006 |
| 7006899 |
Electrical load controlling device |
Feb. 28, 2006 |
| 6997299 |
Hydraulic clutch actuation system |
Feb. 14, 2006 |
| 6996466 |
Method of controlling vehicle handling by influencing the yaw velocity |
Feb. 7, 2006 |
| 6966864 |
Two-speed transfer case with ball-ramp clutch and single motor activator/shift system |
Nov. 22, 2005 |
| 6964315 |
On-demand transfer case |
Nov. 15, 2005 |
| 6959778 |
Transfer case having electromagnetic synchronizer and brake |
Nov. 1, 2005 |
| 6949044 |
Power divider for motor vehicles comprising an off-road speed gear |
Sep. 27, 2005 |
| 6942054 |
Four-wheel drive apparatus using motor, and method thereof |
Sep. 13, 2005 |
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