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Class Information
Number: 180/422
Name: Motor vehicles > Steering gear > With fluid power assist > With condition modulated steering > With electrical control
Description: Subject matter in which electrical energy is utilized for adjusting the flow of pressure fluid to the movable means.










Sub-classes under this class:

Class Number Class Name Patents
180/423 Vehicle speed condition only 135


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

Patent Number Title Of Patent Date Issued
7174988 Power steering system Feb. 13, 2007
7173392 Switching controller and method for controlling switching position Feb. 6, 2007
7168520 Power-assisted steering system of an automobile Jan. 30, 2007
7159394 Power steering system Jan. 9, 2007
7155905 Power steering apparatus Jan. 2, 2007
7100638 Valve for a hydraulic power steering Sep. 5, 2006
7066295 Vehicle steering apparatus and control method therefor Jun. 27, 2006
7047996 Flow controlling apparatus May. 23, 2006
7044262 Power steering system May. 16, 2006
7042179 Electric power steering apparatus May. 9, 2006
7035726 Steering characteristic control apparatus and method for a vehicle Apr. 25, 2006
7004281 Steering apparatus for use in an automotive vehicle and equipped with a transmission ratio adjusting mechanism Feb. 28, 2006
6968921 Roll-over controller Nov. 29, 2005
6945351 Power steering apparatus Sep. 20, 2005
6945352 Force-based power steering system Sep. 20, 2005
6926114 Assist modification in active front steering Aug. 9, 2005
6915194 Vehicle steering control system Jul. 5, 2005
6913109 Vehicle steering control system Jul. 5, 2005
6904999 Vehicular steering control device and vehicular steering control method Jun. 14, 2005
6896091 Vehicular steering control apparatus and method May. 24, 2005
6886657 Power steering system May. 3, 2005
6882913 Electrical control system for automotive vehicle having electrically assisted power steering Apr. 19, 2005
6871127 Method for controlling a steer-by-wire system Mar. 22, 2005
6868934 Variable power steering assist using driver grip pressure Mar. 22, 2005
6856870 Power steering system Feb. 15, 2005
6851507 Power steering system Feb. 8, 2005
6843341 Method of controlling a power steering system Jan. 18, 2005
6845309 Electric power assist torque check Jan. 18, 2005
6843342 Power steering system Jan. 18, 2005
6845310 Power steering system Jan. 18, 2005
6795762 Steering apparatus controller for electric power steering apparatus Sep. 21, 2004
6786296 Back-drivable steer-by-wire system with positive scrub radius Sep. 7, 2004
6782969 Vehicle steering control system Aug. 31, 2004
6779625 Steering damper Aug. 24, 2004
6779624 Control unit for power steering apparatus and steering-wheel-angle correcting system Aug. 24, 2004
6778939 Rotational angle detector which prevents controlled system from being improperly controlled Aug. 17, 2004
6776252 Steer-by-wire system and method for actuating road wheels of a vehicle Aug. 17, 2004
6698542 Steering device for vehicle Mar. 2, 2004
6694828 Torque sensor for a turning shaft Feb. 24, 2004
6681881 Steer-by-wire system with first and second steering actuators Jan. 27, 2004
6681884 Power steering system Jan. 27, 2004
6675928 Power steering Jan. 13, 2004
6678595 System and method of simulating a steering resistance torque on a vehicle steering wheel Jan. 13, 2004
6678594 User-configurable steering control for steer-by-wire systems Jan. 13, 2004
6668967 Method of steering a vehicle Dec. 30, 2003
6612392 Steer-by-wire system using semi-active actuator Sep. 2, 2003
6611745 Steering system and steering method Aug. 26, 2003
6575264 Precision electro-hydraulic actuator positioning system Jun. 10, 2003
6574539 Steering wheel torque-based detection of misalignment of a vehicle's steering system Jun. 3, 2003
6568499 Power steering system for vehicles May. 27, 2003

1 2 3 4 5 6 7 8 9 10










 
 
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