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Class Information
Number: 180/407
Name: Motor vehicles > Steering gear > With alternate emergency power means (e.g., pump, gearing, etc.) > With electrical backup
Description: Subject matter wherein the secondary means is electrical.

Patents under this class:

Patent Number Title Of Patent Date Issued
8594888 Steering control apparatus Nov. 26, 2013
8360197 Recirculating ball power steering system Jan. 29, 2013
8306698 Steering device Nov. 6, 2012
8240422 Steer-by-wire type steering device Aug. 14, 2012
8169174 Motor circuit and electric power steering apparatus May. 1, 2012
7942230 Hydraulic power steering system May. 17, 2011
7900742 Vehicle steering control Mar. 8, 2011
7845459 Electric power steering apparatus and method for controlling the electric power steering apparatus Dec. 7, 2010
7837004 Steering assisting system for vehicle Nov. 23, 2010
7832522 Vehicle steering system, vehicle including the same and method for turning wheel of vehicle Nov. 16, 2010
7743875 Power steering apparatus having failure detection device for rotation angle sensors Jun. 29, 2010
7726436 Torque control element for a steering system in a motor vehicle Jun. 1, 2010
7721841 Vehicular steering control apparatus and vehicular steering control method May. 25, 2010
7703561 Power steering system Apr. 27, 2010
7686125 Linear electromechanical actuator for a steering system of a motor vehicle Mar. 30, 2010
7448464 Steer-by-wire system Nov. 11, 2008
7428944 Drive train for a compressor and a hydraulic pump Sep. 30, 2008
6913106 Vehicle steering system Jul. 5, 2005
6816765 Motor-driven power steering control apparatus Nov. 9, 2004
6808041 Method and system for providing secondary vehicle directional control through braking Oct. 26, 2004
6705420 Steering angle ratio control system and method Mar. 16, 2004
6612393 Steering system for motor vehicles Sep. 2, 2003
6382342 Hydraulically powered steering apparatus with electrically powered backup May. 7, 2002
6367575 Motor vehicle steering system Apr. 9, 2002
6213249 Electric power steering apparatus Apr. 10, 2001
6186259 Automatic steering device for vehicles Feb. 13, 2001
5273129 Vehicle steering systems Dec. 28, 1993
5135069 Vehicle rudder angle control apparatus Aug. 4, 1992
5080186 Servo-assisted steering system for motor vechicles Jan. 14, 1992
5068584 Auxiliary device for handling failures of an actuating system of a linear electric actuator Nov. 26, 1991
4624335 Fail safe steering effort control system Nov. 25, 1986
3954147 Power steering pump with auxiliary electric motor drive May. 4, 1976

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