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Class Information
Number: 180/421
Name: Motor vehicles > Steering gear > With fluid power assist > With condition modulated steering
Description: Subject matter wherein there is provided a means responsive either to (a) a condition of operation of the vehicle or (b) a change thereof for continuously and proportionally controlling the flow of pressure fluid to the motive means to compensate for the influence of the condition or change thereof in the guidance of the vehicle by the operator.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624837 |
Hydraulic power steering apparatus |
Dec. 1, 2009 |
| 7624836 |
Steering system having multiple strategies and variable deadzone |
Dec. 1, 2009 |
| 7619859 |
Electric power steering device |
Nov. 17, 2009 |
| 7610989 |
Control system and a vehicle comprising the control system |
Nov. 3, 2009 |
| 7596441 |
Power steering device |
Sep. 29, 2009 |
| 7584816 |
Power steering apparatus |
Sep. 8, 2009 |
| 7555402 |
Method for determining the angular position of the steering wheel of an automobile vehicle electric power-assisted steering system |
Jun. 30, 2009 |
| 7487856 |
Electrically actuated, hydraulic power steering system |
Feb. 10, 2009 |
| 7484588 |
Closed center steering system |
Feb. 3, 2009 |
| 7447578 |
Steering control apparatus and method for automotive vehicle |
Nov. 4, 2008 |
| 7438154 |
Automotive steering rack stroke adjusting device |
Oct. 21, 2008 |
| 7426977 |
Vehicle power steering system |
Sep. 23, 2008 |
| 7392878 |
Vehicle steering control system |
Jul. 1, 2008 |
| 7389849 |
Steering apparatus with plural motors |
Jun. 24, 2008 |
| 7389848 |
Hydraulic power steering assistant |
Jun. 24, 2008 |
| 7383111 |
Steering apparatus |
Jun. 3, 2008 |
| 7364006 |
Steering system with leads and pulls compensation |
Apr. 29, 2008 |
| 7364004 |
Apparatus for use in turning steerable vehicle wheels |
Apr. 29, 2008 |
| 7357215 |
Steering apparatus for electric industrial vehicle |
Apr. 15, 2008 |
| 7337873 |
Steering control apparatus for a vehicle |
Mar. 4, 2008 |
| 7325645 |
Power steering device |
Feb. 5, 2008 |
| 7306070 |
Variable gear ratio hydraulic power steering device |
Dec. 11, 2007 |
| 7278512 |
Variable gear ratio hydraulic power steering device |
Oct. 9, 2007 |
| 7264080 |
Electric preload for variable effort steering system |
Sep. 4, 2007 |
| 7240760 |
Steering apparatus |
Jul. 10, 2007 |
| 7232007 |
Method for operating a power-assisted hydraulic steering system in a motor vehicle |
Jun. 19, 2007 |
| 7213676 |
Power steering system |
May. 8, 2007 |
| 7210554 |
Power steering system |
May. 1, 2007 |
| 7185576 |
Hydraulic servo-steering valve with steering moment superimposition |
Mar. 6, 2007 |
| 7184869 |
Electric vehicle steering/drive control method |
Feb. 27, 2007 |
| 7174825 |
Hydraulic power steering apparatus |
Feb. 13, 2007 |
| 7168520 |
Power-assisted steering system of an automobile |
Jan. 30, 2007 |
| 7143862 |
Power steering device for a vehicle |
Dec. 5, 2006 |
| 7142964 |
Electric power steering control device |
Nov. 28, 2006 |
| 7124855 |
Flow controlling apparatus for power steering |
Oct. 24, 2006 |
| 7073621 |
Vehicle steering control device |
Jul. 11, 2006 |
| 7055643 |
Apparatus for controlling a power-assisted steering gear in response to vehicle speed |
Jun. 6, 2006 |
| 7035726 |
Steering characteristic control apparatus and method for a vehicle |
Apr. 25, 2006 |
| 6978859 |
Power steering system |
Dec. 27, 2005 |
| 6966398 |
Apparatus for controlling a power-assisted steering gear in response to vehicle speed |
Nov. 22, 2005 |
| 6938720 |
Steering input devices for steer-by-wire systems |
Sep. 6, 2005 |
| 6913109 |
Vehicle steering control system |
Jul. 5, 2005 |
| 6880668 |
Power steering device |
Apr. 19, 2005 |
| 6877583 |
Cable-type steering device with variable steering gear ratio |
Apr. 12, 2005 |
| 6856870 |
Power steering system |
Feb. 15, 2005 |
| 6856871 |
Method for compensating steering-torque disturbances |
Feb. 15, 2005 |
| 6843342 |
Power steering system |
Jan. 18, 2005 |
| 6843341 |
Method of controlling a power steering system |
Jan. 18, 2005 |
| 6845310 |
Power steering system |
Jan. 18, 2005 |
| 6817438 |
Apparatus and a method for adjusting fluid movement in a variable displacement pump |
Nov. 16, 2004 |
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