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Class Information
Number: 188/266.4
Name: Brakes > Internal-resistance motion retarder > Motion damped from condition (e.g., bump, speed change) detected outside of retarder > Condition actuates valve or regulator > Of the rotary type > Having plural openings
Description: Rotary valve in which an element of the flow controlling device has more than one aperture.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8596431 Pneumatic cylinder with a self-adjusting end position damping arrangement, and method for self-adjusting end position damping Dec. 3, 2013
8393445 Shock absorber valve with spring arrangement Mar. 12, 2013
8177043 Steering damping method for vehicle and steering damping device for vehicle May. 15, 2012
8136644 Arrangement, device and method at a disturbance-eliminating valve for damper Mar. 20, 2012
7673469 Ice dispenser for a refrigerator with a delay mechanism having a foldable catch Mar. 9, 2010
7255209 Integrated suspension system for vehicle Aug. 14, 2007
7051849 Magnetorheological fluid damper May. 30, 2006
6793047 Hydraulic dashpot Sep. 21, 2004
6474629 Suspension system for motor vehicles Nov. 5, 2002
6422360 Dual mode suspension damper controlled by magnetostrictive element Jul. 23, 2002
5911290 Step motor actuated continuous variable shock absorber Jun. 15, 1999
5653315 Automatic damper system Aug. 5, 1997
5533597 Suspension control device Jul. 9, 1996
5522482 Suspension control system Jun. 4, 1996
5521821 Suspension control system for automotive vehicle May. 28, 1996
5518090 Piston post for a damper May. 21, 1996
5497862 Hydraulic shock absorber having variable damping force characteristic structure Mar. 12, 1996
5431259 Damping force control type hydraulic shock absorber Jul. 11, 1995
5409090 Damping force control type hydraulic shock absorber Apr. 25, 1995
5402867 Shock absorber with auxiliary port in guide member to control hydrodynamic force Apr. 4, 1995
5383679 Arrangement of suspension system for automotive vehicle Jan. 24, 1995
5360089 Automotive suspension control system utilizing variable damping force shock absorber Nov. 1, 1994
5316114 Damping force control type hydraulic shock absorber May. 31, 1994
5310027 Control system for adjusting damping force coefficient of shock absorber for automotive suspension May. 10, 1994
5307907 Hydraulic damper May. 3, 1994
5303803 Variable dashpot for motor vehicles Apr. 19, 1994
5295705 Automobile suspension including control of variable damping coefficient shock absorber Mar. 22, 1994
5277283 Variable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure difference Jan. 11, 1994
5269557 Suspension system for a vehicle Dec. 14, 1993
5269558 Correction of asynchronous dampers in a suspension system for a vehicle Dec. 14, 1993
5242038 Variable damping force shock absorber Sep. 7, 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
5193844 Suspension system for a vehicle Mar. 16, 1993
5172929 Suspension system for a vehicle Dec. 22, 1992
5150915 Motor vehicle suspension with damper having rotatable member position feedback Sep. 29, 1992
5150916 Motor vehicle suspension with damper having rotatable member overrun detection Sep. 29, 1992
5146948 Damping valve with improved damping adjustment Sep. 15, 1992
5080392 Suspension unit Jan. 14, 1992
5044474 Electrically adjustable shock absorber Sep. 3, 1991
5043649 Stepping motor unit and rotary control valve incorporating the same Aug. 27, 1991
5027928 Suspension arrangement Jul. 2, 1991
5024302 Apparatus for damping courses of motion Jun. 18, 1991
4997068 Hydraulic damper of adjustable damping force type Mar. 5, 1991
4926983 Hydraulic shock absorber May. 22, 1990
4890858 Method and apparatus for controlling shock absorbers Jan. 2, 1990
4813519 Cylinder piston apparatus for a suspension system Mar. 21, 1989
4800995 Apparatus for damping courses of motion Jan. 31, 1989
4776437 Variable damping force shock absorber with rotary actuator for rotary member Oct. 11, 1988
4773671 Method of controlling damping force of damper Sep. 27, 1988
4773635 Suspension for vehicle Sep. 27, 1988

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