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Class Information
Number: 180/412
Name: Motor vehicles > Steering gear > Each wheel steerable > With electric power assist
Description: Subject matter including means movable by an electric motor to provide power to assist the steering of a wheel of the vehicle.


Sub-classes under this class:

Class Number Class Name Patents
180/413 With electric power assist to all wheels 46


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7455140 Method for guaranteeing reliability of emergency operating conditions of a motor vehicle tyres Nov. 25, 2008
7255194 Steering system for a zero-steer vehicle Aug. 14, 2007
7234564 Haptic controller for road vehicles Jun. 26, 2007
7185731 Haptic controller for road vehicles Mar. 6, 2007
7173392 Switching controller and method for controlling switching position Feb. 6, 2007
7142964 Electric power steering control device Nov. 28, 2006
7129659 Stabilizer apparatus for vehicle Oct. 31, 2006
7091686 Electric power steering apparatus Aug. 15, 2006
6861820 Control strategy for an electric motor using real time predictions of motor capability based on thermal modeling and measurements Mar. 1, 2005
6862506 Method for automatically adjusting reference models in vehicle stability enhancement (VSE) systems Mar. 1, 2005
6763293 Calibration procedure for a permanently powered relative steering wheel angle sensor with power-loss indication Jul. 13, 2004
6711483 Power steering system Mar. 23, 2004
6655710 System for detecting trailer instability Dec. 2, 2003
6647330 Electronic power assisted steering system and method Nov. 11, 2003
6637540 Steerable drive axle with electrically-powered steering apparatus Oct. 28, 2003
6553293 Rear steering control for vehicles with front and rear steering Apr. 22, 2003
6540043 Vehicle steering system with electronic power regulation unit for limiting the steering angle of rear wheels at high speeds Apr. 1, 2003
6510375 Method and arrangement for controlling a vehicle and/or for providing driver information when there is loss of tire pressure Jan. 21, 2003
6510396 Symmetry compensation for encoder pulse width variation Jan. 21, 2003
6505700 Rear wheel steering device Jan. 14, 2003
6386311 Limited independent steering device May. 14, 2002
6275754 Automatic steering system for vehicle Aug. 14, 2001
6198988 Method for detecting an erroneous direction of travel signal Mar. 6, 2001
6161068 Electric power steering control system Dec. 12, 2000
6131691 System for guided steering of at least one set of wheels of a semi-trailer or a trailer Oct. 17, 2000
6122579 Electric power steering control with torque ripple and road disturbance damper Sep. 19, 2000
6052633 Power steering apparatus for electric vehicle Apr. 18, 2000
6039143 Steerable drive axle with electrically-powered steering apparatus Mar. 21, 2000
5982137 Controller for electric power steering system Nov. 9, 1999
5964814 Steering angle adjusting device for a motor vehicle Oct. 12, 1999
5960694 Hydrostatic power steering system having reduced wheel slip Oct. 5, 1999
5957987 Vehicle motion control apparatus Sep. 28, 1999
5954774 Method for controlling rear wheel steering angle of a vehicular 4-wheel steering system Sep. 21, 1999
5946644 Steering center indicator device Aug. 31, 1999
5907277 Device for detecting a counter-steer condition May. 25, 1999
5878360 Electric power steering control apparatus Mar. 2, 1999
5828973 Electric power steering apparatus Oct. 27, 1998
5813487 Omnibus Sep. 29, 1998
5799745 Device for stabilizing vehicle attitude in terminal portion of countersteering state by reducing vehicle yaw moment produced by yaw moment control mechanism Sep. 1, 1998
5799259 Vehicle with steerable front and rear wheels Aug. 25, 1998
5791432 Steering control apparatus for an automotive vehicle Aug. 11, 1998
5734570 Wheeled vehicle steering system for steering the rear wheels of a vehicle Mar. 31, 1998
5732372 Method for determining a center position of a vehicle steering system Mar. 24, 1998
5729107 Control device for an electric actuator of a steering system Mar. 17, 1998
5668721 Electric power steering motor control Sep. 16, 1997
5659473 Electric power steering system Aug. 19, 1997
5642281 Steering angle control apparatus Jun. 24, 1997
5600559 Electric power steering apparatus Feb. 4, 1997
5590732 Electrically assisted power steering system for motor vehicles Jan. 7, 1997
5576957 Control system for a front and rear wheel steering vehicle Nov. 19, 1996

1 2 3


 
 
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