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Class Information
Number: 188/322.14
Name: Brakes > Internal-resistance motion retarder > Valve structure or location > Foot valve
Description: Device wherein the container includes a cylindrical chamber, and the flow-regulating element or assembly is located at an end of the chamber to regulate fluid flow into and out of the cylinder.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5992585 Acceleration sensitive damping for automotive dampers Nov. 30, 1999
5944283 Crashworthy landing gear shock Aug. 31, 1999
5893436 One piece aluminum pressure tube with rod guide for shock absorbers Apr. 13, 1999
5890568 Continuously variable twin-tube shock damper Apr. 6, 1999
5857665 Self-pumping hydropneumatic shock absorbing strut with internal level regulation Jan. 12, 1999
5727662 Thermal expansion compensation device for shock absorbers Mar. 17, 1998
5638927 Suspension damper Jun. 17, 1997
5630485 Telescoping vibration damper with a two disk base valve May. 20, 1997
5618248 Double-acting hydraulic cylinder for use in an exercising apparatus Apr. 8, 1997
5598903 Acceleration sensitive flow sensitive mcpherson strut Feb. 4, 1997
5556082 Cushion unit Sep. 17, 1996
5542509 Shock absorber having externally adjustable compression Aug. 6, 1996
5529153 Tilt control apparatus for vehicles Jun. 25, 1996
5522486 Damping valve for shock absorber Jun. 4, 1996
5464079 Two-tube shock absorber Nov. 7, 1995
5423402 Twin-pipe shock absorber Jun. 13, 1995
5400877 Two-tube shock absorber Mar. 28, 1995
5400881 Vibration damper unit Mar. 28, 1995
5386893 Controllable hydraulic vibration absorber Feb. 7, 1995
5372223 Twin-pipe shock absorber Dec. 13, 1994
5333708 Compression cut-off valve for a hydraulic damper Aug. 2, 1994
5325942 Tunable hydraulic valve for shock absorber Jul. 5, 1994
5277281 Magnetorheological fluid dampers Jan. 11, 1994
5251927 Steer-sensitive hydraulic shock absorber and method Oct. 12, 1993
5220983 Shock absorber with heat exchanger and improved cylinder head assembly Jun. 22, 1993
5219414 Variable damping force shock absorber with stroke dependent variation characteristics of damping force Jun. 15, 1993
5178240 Adjustable double-acting damper Jan. 12, 1993
5158161 Reverse installation type variable damping force shock absorber variable of damping characteristics both for bounding and rebounding stroke motions Oct. 27, 1992
5150775 Steer-sensitive variable damper and method utilizing a ring valve Sep. 29, 1992
5146948 Damping valve with improved damping adjustment Sep. 15, 1992
5143185 Controllable hydraulic vibration damper for automotive vehicles Sep. 1, 1992
5115892 Hydraulic shock absorber with piston seal structure for enhancement of initial response May. 26, 1992
5113979 Base valve for a shock absorber May. 19, 1992
5113980 Quick response adjustable shock absorber and system May. 19, 1992
5072813 Damper Dec. 17, 1991
5064032 Damping force adjusting hydraulic shock absorber Nov. 12, 1991
5042624 Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force Aug. 27, 1991
4993693 Self-pumping hydropneumatic shock absorbing leg with internal level regulation Feb. 19, 1991
4989699 Preloaded compression valve and method for a hydraulic damper Feb. 5, 1991
4973077 Stabilizer device for motor vehicles Nov. 27, 1990
4973854 Hydraulic shock-absorber and vibration damper with adjustable damping Nov. 27, 1990
4972928 Hydraulic damper with variable operating characteristics Nov. 27, 1990
4964492 Damper for a hydropneumatic suspension element of a vehicle, and in particular a heavy vehicle Oct. 23, 1990
4917222 Shock absorber Apr. 17, 1990
4887515 Hydraulic cylinder apparatus Dec. 19, 1989
4872537 Adjustable damper means for shock absorber Oct. 10, 1989
4858736 Shock absorber for a hydropneumatic vehicle suspension element Aug. 22, 1989
4846317 Strut with controlled variable damping rate Jul. 11, 1989
4838394 Adjustable shock absorber and system Jun. 13, 1989
4838527 Convertible gas spring Jun. 13, 1989

1 2 3










 
 
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