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Class Information
Number: 91/375A
Name: Motors: expansible chamber type > Working member position feedback to motive fluid control > Follower type > Plural movable valve parts > Valve part moves about an axis > Torsion bar
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7374011 |
Power steering apparatus |
May. 20, 2008 |
| 7364006 |
Steering system with leads and pulls compensation |
Apr. 29, 2008 |
| 7311033 |
Retroactive device |
Dec. 25, 2007 |
| 7231940 |
Control valve for a hydraulic power steering system |
Jun. 19, 2007 |
| 7185576 |
Hydraulic servo-steering valve with steering moment superimposition |
Mar. 6, 2007 |
| 7174825 |
Hydraulic power steering apparatus |
Feb. 13, 2007 |
| 7152627 |
Control valve for a hydraulic power steering system |
Dec. 26, 2006 |
| 7143683 |
Hydraulic power steering apparatus |
Dec. 5, 2006 |
| 6929088 |
Power steering system |
Aug. 16, 2005 |
| 6782966 |
Power-assisted steering apparatus with a one-piece, monolithic component |
Aug. 31, 2004 |
| 6779625 |
Steering damper |
Aug. 24, 2004 |
| 6769451 |
Power beyond steering unit with bypass |
Aug. 3, 2004 |
| 6763851 |
Rotary shift valve for servo-assisted steering systems of motor vehicles |
Jul. 20, 2004 |
| 6725964 |
Relating to electrical power assisted steering |
Apr. 27, 2004 |
| 6612336 |
Rotary shift valve for servo-assisted steering systems of motor vehicles |
Sep. 2, 2003 |
| 6470993 |
Electric power steering apparatus |
Oct. 29, 2002 |
| 6415885 |
Steering damper |
Jul. 9, 2002 |
| 6397889 |
Method for mounting a rotary valve for power assisted steering systems, especially for motor vehicles |
Jun. 4, 2002 |
| 6318232 |
Pressure-cutoff arrangement for an auxiliary power steering system in the end positions of the steering lock |
Nov. 20, 2001 |
| 6296018 |
Rack and pinion steering system |
Oct. 2, 2001 |
| 6276487 |
Rotary slide valve for power assisted steering of motor vehicles |
Aug. 21, 2001 |
| 6267133 |
Method for mounting a steering valve with a centring unit |
Jul. 31, 2001 |
| 6267144 |
Rotary disk valve for power steering systems of motor vehicles |
Jul. 31, 2001 |
| 6250334 |
Centering device for steering valves |
Jun. 26, 2001 |
| 6240961 |
Hydraulic power steering control valve |
Jun. 5, 2001 |
| 6234271 |
Power steering device |
May. 22, 2001 |
| 6227244 |
Feedback system for a servo valve system |
May. 8, 2001 |
| 6216718 |
Control valves for motor vehicle hydraulically-assisted steering |
Apr. 17, 2001 |
| 6202694 |
Detent mechanism for a hydraulic power steering gear |
Mar. 20, 2001 |
| 6186173 |
Hydraulic steering arrangement |
Feb. 13, 2001 |
| 6089270 |
Slotted sleeve for a rotary valve |
Jul. 18, 2000 |
| 6082242 |
Power steering system |
Jul. 4, 2000 |
| 6082403 |
Power steering control valve with back pressure |
Jul. 4, 2000 |
| 6079289 |
Detent mechanism for a hydraulic power steering gear |
Jun. 27, 2000 |
| 6070515 |
Steering system |
Jun. 6, 2000 |
| 6065561 |
Power steering system with controlled centering |
May. 23, 2000 |
| 6062123 |
Power steering system and steering-angle detecting device for use therein |
May. 16, 2000 |
| 6027096 |
Servo valve |
Feb. 22, 2000 |
| 6016837 |
Steering valve with closed center |
Jan. 25, 2000 |
| 6009903 |
Steering reaction force control arrangement for a power steering servo valve |
Jan. 4, 2000 |
| 6000431 |
Servo valve |
Dec. 14, 1999 |
| 5996626 |
Sleeve for rotary valve |
Dec. 7, 1999 |
| 5975137 |
Power steering control valve |
Nov. 2, 1999 |
| 5975136 |
Torsional sensor for a power-assisted steering device |
Nov. 2, 1999 |
| 5964314 |
Power steering device |
Oct. 12, 1999 |
| 5964315 |
Power steering apparatus |
Oct. 12, 1999 |
| 5957027 |
Detent mechanism for a hydraulic power steering gear |
Sep. 28, 1999 |
| 5950518 |
Rotary disk steering valve |
Sep. 14, 1999 |
| 5937900 |
Rotary slide steering valve |
Aug. 17, 1999 |
| 5937728 |
Power steering control valve with noise reduction |
Aug. 17, 1999 |
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