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Class Information
Number: 188/282.3
Name: Brakes > Internal-resistance motion retarder > Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) > Via valved orifice in thrust member > Valve actuated by electrical system > System initiated by a pressure change or feedback
Description: Electrically actuated valve in which the voltage and current are applied in response to a fluid force.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8627930 Variable response bushing Jan. 14, 2014
8430217 Damper Apr. 30, 2013
8286982 Bicycle suspension system Oct. 16, 2012
8215620 Self-pumping ride level control system Jul. 10, 2012
8181757 Adjustable damping valve with a fail-safe damping force characteristic May. 22, 2012
8177043 Steering damping method for vehicle and steering damping device for vehicle May. 15, 2012
7770983 Damping force control valve and shock absorber using the same Aug. 10, 2010
7611000 Damping force adjusting structure of hydraulic shock absorber Nov. 3, 2009
7322449 Hydraulic shock absorber Jan. 29, 2008
RE39961 Computer controlled hydraulic resistance device for a prosthesis and other apparatus Dec. 25, 2007
7273138 Damping force variable valve and shock absorber using same Sep. 25, 2007
7128192 Inertia valve shock absorber Oct. 31, 2006
6837344 Piston and rod assembly for air-actuated variable damping Jan. 4, 2005
6390254 Constant volume damper May. 21, 2002
6273224 Shock absorber mounted electromagnetically operated damper valve Aug. 14, 2001
6161662 Suspension damper for motor vehicle Dec. 19, 2000
6113642 Computer controlled hydraulic resistance device for a prosthesis and other apparatus Sep. 5, 2000
6003849 Hybrid isolator and structural control actuator strut Dec. 21, 1999
5624010 Regulable shock-absorption valve system for the dashpot in a motor vehicle Apr. 29, 1997
5560454 Piston with bi directional passive disk valve and extension-openable regulating valve Oct. 1, 1996
5501307 Shock absorber Mar. 26, 1996
5409088 Shock absorber Apr. 25, 1995
5409089 Shock absorber Apr. 25, 1995
5400877 Two-tube shock absorber Mar. 28, 1995
5392883 Controllable hydraulic vibration dampener Feb. 28, 1995
5372224 Oscillation damper Dec. 13, 1994
5310027 Control system for adjusting damping force coefficient of shock absorber for automotive suspension May. 10, 1994
5303804 Shock absorber for damping courses of motion of a vehicle Apr. 19, 1994
5299488 Active suspension system Apr. 5, 1994
5293968 Dual-tube shock absorber Mar. 15, 1994
5244063 Controllable or regulatable hydraulic shock absorber Sep. 14, 1993
5184703 Shock absorber with piston valve for adjustable damping Feb. 9, 1993
5174552 Fluid mount with active vibration control Dec. 29, 1992
5094321 Shock absorber with variable damping characteristic Mar. 10, 1992
5035306 Adjustable damping force hydraulic shock absorber Jul. 30, 1991
5027928 Suspension arrangement Jul. 2, 1991
5004079 Semi-active damper valve means and method Apr. 2, 1991
4986392 Shock absorber with variable damping characteristic Jan. 22, 1991
4973854 Hydraulic shock-absorber and vibration damper with adjustable damping Nov. 27, 1990
4958704 Hydraulic telescopic shock absorber Sep. 25, 1990
4953671 Damping force adjustable hydraulic shock absorber Sep. 4, 1990
4946009 Electromagnetic valve utilizing a permanent magnet Aug. 7, 1990
4917222 Shock absorber Apr. 17, 1990
4898264 Semiactive damper with motion responsive valve means Feb. 6, 1990
4723640 Adjustable hydraulic vibration damper Feb. 9, 1988
4696379 Hydraulic buffer Sep. 29, 1987
4690464 Hydraulic braking pressure control apparatus Sep. 1, 1987
4683992 Vehicle suspension damper with remote control Aug. 4, 1987
4673067 Adjustable shock absorber, especially for motor vehicles Jun. 16, 1987
4660686 Adjustable shock absorber, especially for motor vehicles Apr. 28, 1987

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