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Class Information
Number: 188/282.4
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 having distinct selections (e.g., hard, medium, soft)
Description: Electrically actuated valve in which the voltage and current moves the element based on a particular choice that determines the degree of damping.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672306 Vehicle shock absorber Mar. 18, 2014
8651251 Regulated dashpot with shock-absorption force controls Feb. 18, 2014
8616351 Damper with digital valve Dec. 31, 2013
8596431 Pneumatic cylinder with a self-adjusting end position damping arrangement, and method for self-adjusting end position damping Dec. 3, 2013
8561766 Piston-cylinder unit Oct. 22, 2013
8430217 Damper Apr. 30, 2013
8286982 Bicycle suspension system Oct. 16, 2012
7946399 Hydraulic shock absorber May. 24, 2011
7886882 Pneumatic spring damper unit Feb. 15, 2011
7699147 Regulated dashpot with shock-absorption force controls Apr. 20, 2010
7159699 Adjustable shock absorber Jan. 9, 2007
7014179 Adjustable cushion device Mar. 21, 2006
6860369 Vibration damper with variable damping force Mar. 1, 2005
6729446 Solenoid-operated driving apparatus and damping force control type hydraulic shock absorber using the same May. 4, 2004
6672436 Variable bleed orifice valving Jan. 6, 2004
6619684 Bicycle suspension Sep. 16, 2003
6612599 Bicycle suspension Sep. 2, 2003
6595537 Bicycle suspension Jul. 22, 2003
6460663 Hydraulic vibration damper for motor vehicles Oct. 8, 2002
6427986 Air suspension apparatus Aug. 6, 2002
6374967 Damping force control type hydraulic shock absorber Apr. 23, 2002
6286642 Fluid regulating device for use with a shock-absorbing cylinder to obtain a variable shock absorbing effect Sep. 11, 2001
6149174 Electronically controlled bicycle suspension apparatus Nov. 21, 2000
6073736 Valve assembly for a suspension system for a wheeled vehicle Jun. 13, 2000
6050583 Electronically controlled bicycle suspension apparatus Apr. 18, 2000
5971116 Electronic suspension system for a wheeled vehicle Oct. 26, 1999
5911290 Step motor actuated continuous variable shock absorber Jun. 15, 1999
5878850 Bi-directional pressure control valved damper Mar. 9, 1999
5521821 Suspension control system for automotive vehicle May. 28, 1996
5518090 Piston post for a damper May. 21, 1996
5402867 Shock absorber with auxiliary port in guide member to control hydrodynamic force Apr. 4, 1995
5358305 Suspension system for automotive vehicle or the like Oct. 25, 1994
5350187 Adjustable damping system Sep. 27, 1994
5316114 Damping force control type hydraulic shock absorber May. 31, 1994
5205385 Adjustable damping force hydraulic shock absorber Apr. 27, 1993
5195619 Internal accumulator for a hydraulic damper Mar. 23, 1993
5193655 Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed Mar. 16, 1993
5172929 Suspension system for a vehicle Dec. 22, 1992
5163538 Low level damping valve and method for a semi-active hydraulic damper Nov. 17, 1992
5152379 Adjustable shock absorber assembly Oct. 6, 1992
5150916 Motor vehicle suspension with damper having rotatable member overrun detection Sep. 29, 1992
5129489 Hydraulically operated displacement transmission mechanism for shock absorber with variable damping force Jul. 14, 1992
5129490 Device for damping courses of motion between two suspension points Jul. 14, 1992
5092626 Apparatus for controlling the damping of a shock absorber Mar. 3, 1992
5087868 Rotary actuator Feb. 11, 1992
5070697 Actuator with memory metal and a shock absorber provided with this actuator Dec. 10, 1991
5064032 Damping force adjusting hydraulic shock absorber Nov. 12, 1991
5058715 Shock absorber Oct. 22, 1991
5044474 Electrically adjustable shock absorber Sep. 3, 1991
5004080 Controlling circuit for actuator Apr. 2, 1991

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