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Class Information
Number: 180/406
Name: Motor vehicles > Steering gear > With alternate emergency power means (e.g., pump, gearing, etc.) > With fluid backup
Description: Subject matter wherein the secondary means is hydraulic.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7306070 |
Variable gear ratio hydraulic power steering device |
Dec. 11, 2007 |
| 7143862 |
Power steering device for a vehicle |
Dec. 5, 2006 |
| 6948584 |
Steering device |
Sep. 27, 2005 |
| 6904998 |
Device and method to ensure the steerability of an industrial truck |
Jun. 14, 2005 |
| 6612393 |
Steering system for motor vehicles |
Sep. 2, 2003 |
| 6595314 |
Hydraulic steering system, for an articulated vehicle with wheel steering |
Jul. 22, 2003 |
| 6581717 |
Hydraulic steering arrangement |
Jun. 24, 2003 |
| 6571894 |
Transmission mechanism for vehicles having HST and pressure oil supply system therefor |
Jun. 3, 2003 |
| 6548969 |
Redundant steer-by-wire system |
Apr. 15, 2003 |
| 6513619 |
Electrically-driven power steering system |
Feb. 4, 2003 |
| 6502661 |
Steering system for a vehicle |
Jan. 7, 2003 |
| 6484839 |
Steer-by-wire rotary actuator |
Nov. 26, 2002 |
| 6474437 |
Power-assisted steering with hydraulic power assistance |
Nov. 5, 2002 |
| 6386312 |
Hydrostatic steering arrangement with dual control systems |
May. 14, 2002 |
| 6374940 |
Steering device for self-propelled working machines |
Apr. 23, 2002 |
| 6367575 |
Motor vehicle steering system |
Apr. 9, 2002 |
| 6354393 |
Hydraulic power steering system for motor vehicles |
Mar. 12, 2002 |
| 6336519 |
Steering system for motor vehicles |
Jan. 8, 2002 |
| 6283243 |
Method for operating a vehicle steering system |
Sep. 4, 2001 |
| 6269903 |
Steering system for a vehicle |
Aug. 7, 2001 |
| 6244371 |
Steering system for non-track-bound motor vehicles |
Jun. 12, 2001 |
| 6213246 |
Electrically actuated vehicle steering system |
Apr. 10, 2001 |
| 6209677 |
Steering system for non-tracked motor vehicles |
Apr. 3, 2001 |
| 6173728 |
Switching valve for a hydraulic power steering system |
Jan. 16, 2001 |
| 6102150 |
Vehicle steering mechanism |
Aug. 15, 2000 |
| 6047788 |
Hydraulic power steering system with dual, double-acting piston-cylinder units |
Apr. 11, 2000 |
| 5862878 |
Hydraulic power steering system |
Jan. 26, 1999 |
| 5850888 |
Variable-ratio hydraulic steering system |
Dec. 22, 1998 |
| 5826676 |
Failsafe hydraulic steering system for use in an industrial vehicle |
Oct. 27, 1998 |
| 5507360 |
Hydraulic system for dynamic braking and secondary steering system supply |
Apr. 16, 1996 |
| 5465804 |
Combination of a power steering pump and air conditioning compressor in an automotive vehicle |
Nov. 14, 1995 |
| 5251716 |
Two-loop steering system for motor vehicles |
Oct. 12, 1993 |
| 5249639 |
Steering control arrangement |
Oct. 5, 1993 |
| 5050696 |
Secondary hydraulic steering system |
Sep. 24, 1991 |
| 5022481 |
Emergency power steering backup apparatus and method |
Jun. 11, 1991 |
| 5022482 |
Hydraulic steering system for electrically driven motor vehicles |
Jun. 11, 1991 |
| 4955445 |
Hydrostatic auxiliary power steering mechanism for motor vehicles |
Sep. 11, 1990 |
| 4942935 |
Auxiliary power steering system |
Jul. 24, 1990 |
| 4798256 |
Hydrostatic auxiliary steering device |
Jan. 17, 1989 |
| 4762195 |
Hydraulic steering system |
Aug. 9, 1988 |
| 4736811 |
Steering control system |
Apr. 12, 1988 |
| 4651841 |
Power assistance steering system for a vehicle |
Mar. 24, 1987 |
| 4618017 |
Hydraulic auxiliary power steering for motor vehicles |
Oct. 21, 1986 |
| 4574904 |
Auxilliary steering system |
Mar. 11, 1986 |
| 4553389 |
Hydrostatic auxiliary steering apparatus |
Nov. 19, 1985 |
| 4410057 |
Emergency hydraulic system |
Oct. 18, 1983 |
| 4396083 |
Disconnectable hydraulic steering assistor |
Aug. 2, 1983 |
| RE31125 |
Articulated vehicle steering system |
Jan. 18, 1983 |
| 4368794 |
Auxiliary power steering for motor vehicles |
Jan. 18, 1983 |
| 4365684 |
Power assisted gear assembly |
Dec. 28, 1982 |
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