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Class Information
Number: 188/298
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Forming flexible wall enclosure for fluid
Description: Device wherein either or both of said member or said container is made, at least in part, of expansible material.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701846 Inverted strut comprising an air damper combined with a hydraulic stop Apr. 22, 2014
8627930 Variable response bushing Jan. 14, 2014
8365876 Air bladder actuator for railroad car retarder Feb. 5, 2013
8327985 Two stage vibration isolator Dec. 11, 2012
8272786 Vibration isolation mounting assembly Sep. 25, 2012
8256750 Vibration isolation mounting assembly Sep. 4, 2012
8256588 Hydraulic shock absorber Sep. 4, 2012
8177202 Damping device and aircraft rotor system incorporating it May. 15, 2012
8113322 Motorcycle air suspension system and method Feb. 14, 2012
7958981 Shock absorber Jun. 14, 2011
7950674 Ride height leveling control for dual air spring configuration May. 31, 2011
7802776 Pneumatic spring damper unit Sep. 28, 2010
7732988 Fluid amplifiers and vibration damping and isolation systems Jun. 8, 2010
7182188 Isolator using externally pressurized sealing bellows Feb. 27, 2007
7066310 Piston-cylinder unit Jun. 27, 2006
6749046 Combined spring and shock absorber system including a hydraulic accumulator Jun. 15, 2004
6695104 Reusable impact energy absorbing device Feb. 24, 2004
6695105 Hydraulic shock absorber Feb. 24, 2004
6561325 Vehicle suspension with remote spring May. 13, 2003
6557674 Hydraulic or hydropneumatic shock absorber or telescopic suspension, equipped with built-in compensator, having small overall dimensions, easy to carry out and highly reliable May. 6, 2003
6491289 Oleo-pneumatic shock absorbing system Dec. 10, 2002
6467760 Filling valve for a gas bag Oct. 22, 2002
6390256 Vehicle suspension system May. 21, 2002
6373002 Damper for a weighing device and a weighing device provided with a damper Apr. 16, 2002
6345707 Frictionless damper Feb. 12, 2002
6161662 Suspension damper for motor vehicle Dec. 19, 2000
6105740 Hydraulic shock absorber Aug. 22, 2000
6082508 Pneumatic damping strut Jul. 4, 2000
6009983 Method and apparatus for improved vibration isolation Jan. 4, 2000
6006873 Industrial shock absorber Dec. 28, 1999
6003849 Hybrid isolator and structural control actuator strut Dec. 21, 1999
5988332 Hydraulic shock absorber Nov. 23, 1999
5979882 Direct fluid shear damper Nov. 9, 1999
5947240 Load vibration isolation apparatus Sep. 7, 1999
5918865 Load isolator apparatus Jul. 6, 1999
5862895 Adjustable variable oleopneumatic shock-absorbing device Jan. 26, 1999
5855259 Viscous fluid mount Jan. 5, 1999
5803213 Heavy load vibration isolation apparatus Sep. 8, 1998
5709289 Compensating device Jan. 20, 1998
5597147 Articulation mechanism and a universal arm means applying the mechanism Jan. 28, 1997
5575360 Shock absorber assembly for a motor vehicle, the shock absorber assembly having a pneumatic spring Nov. 19, 1996
5489009 Vibration damping device Feb. 6, 1996
5487454 Leakage bellows of hydraulic damper protected by oppositely wound coil springs Jan. 30, 1996
5477947 Automobile shock absorber with frequency-selective action Dec. 26, 1995
5477946 Vibration damping devices Dec. 26, 1995
5476161 Self-energizing, self-levelling controllable damper unit for a vehicle suspension Dec. 19, 1995
5450932 Dashpots Sep. 19, 1995
5449150 Vibration damping device with an electrode and having rolling lobes of different radii Sep. 12, 1995
5401009 Compound diaphragm bellows Mar. 28, 1995
5383705 Shock absorbing seat Jan. 24, 1995

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