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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:

Class Number Class Name Patents
180/249 And means for locking out the differential means 401


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8689664 Backhoe loader Apr. 8, 2014
8694224 Vehicle yaw rate correction Apr. 8, 2014
8682550 Primary clutch electronic CVT Mar. 25, 2014
8620546 Drive state control apparatus for vehicle Dec. 31, 2013
8602151 Drive system for a motor vehicle Dec. 10, 2013
8584786 Idle-able power transfer unit Nov. 19, 2013
8579757 Roller frictional transmission unit Nov. 12, 2013
8554441 Phasing of traction control based on vehicle speed and road slope Oct. 8, 2013
8544588 Power takeoff for all-wheel-drive systems Oct. 1, 2013
8527168 Method and device for ascertaining a rotational speed parameter for determining a setpoint torque Sep. 3, 2013
8474567 Method for calibrating an actuator of an all-wheel drive clutch Jul. 2, 2013
8469133 Dual electric motor four wheel drive personnel carrier Jun. 25, 2013
8473160 Device for detecting steering operation force Jun. 25, 2013
8398523 Drivetrain for an all-wheel-drive vehicle, and method for controlling the same Mar. 19, 2013
8387741 Drive train arrangement for a vehicle Mar. 5, 2013
8381861 Power transfer unit with dual hypoid geartrain Feb. 26, 2013
8381866 Vehicle transmission Feb. 26, 2013
8346448 Output torque control device Jan. 1, 2013
8326480 Method and device for monitoring the state of tires Dec. 4, 2012
8316981 Vehicular actuator arrangement and implementations Nov. 27, 2012
8313407 Power take-off unit with active coupling and hypoid disconnect system Nov. 20, 2012
8281890 Drive system for vehicles with at least two drivable vehicle axles Oct. 9, 2012
8256559 Driving force transmitting device for four-wheel drive vehicle Sep. 4, 2012
8219308 Monowheel type vehicle Jul. 10, 2012
8214114 Control of engine torque for traction and stability control events for a hybrid powertrain system Jul. 3, 2012
8200403 Method for controlling input torque provided to a transmission Jun. 12, 2012
8157703 Power transfer device Apr. 17, 2012
8103419 Driving force transmission device Jan. 24, 2012
8078373 Vehicle dynamics prediction with lane/path information using a preview-correction-prediction approach Dec. 13, 2011
8014926 Vehicle control device Sep. 6, 2011
8011341 Vehicle engine structure Sep. 6, 2011
7954586 ATV engine power output conversion mechanism Jun. 7, 2011
7951038 Power transmitting apparatus May. 31, 2011
7848858 Vehicular drive system Dec. 7, 2010
7816874 Vehicle driving system Oct. 19, 2010
7810601 All terrain or utility vehicle having selectable drive configurations and method therefore Oct. 12, 2010
7806220 Torque distributing drive mechanism for motor vehicles Oct. 5, 2010
7801657 Stability-enhanced traction and yaw control using electronically controlled limited-slip differential Sep. 21, 2010
7793750 Differential limiting control apparatus for four-wheel drive vehicle Sep. 14, 2010
7797114 Torque measuring apparatus and rotation center measuring apparatus Sep. 14, 2010
7779953 Biasing drive torque to an axle in a motor vehicle Aug. 24, 2010
7766116 Vehicle with optimized on-demand front drive system Aug. 3, 2010
7721834 Prevention of inadvertent inertial engagement of a transfer case clutch May. 25, 2010
7712565 HST travel system for working machine May. 11, 2010
7690469 Central differential for a working vehicle Apr. 6, 2010
7680576 Driving force distribution control device for vehicle Mar. 16, 2010
7677349 Drive unit for motor vehicles Mar. 16, 2010
7665564 Power train for a utility vehicle Feb. 23, 2010
7650956 Vehicle drive control apparatus and method Jan. 26, 2010
7628242 Vehicle limited slip differential Dec. 8, 2009

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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