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Class Information
Number: 188/266.7
Name: Brakes > Internal-resistance motion retarder > Piezoelectric
Description: Internal resistance motion retarder in which a material that converts alternating current into mechanical vibrations is used.










Patents under this class:

Patent Number Title Of Patent Date Issued
8684602 Bearing assembly Apr. 1, 2014
8684367 Methods and apparatus for suspension lock out and signal generation Apr. 1, 2014
8596431 Pneumatic cylinder with a self-adjusting end position damping arrangement, and method for self-adjusting end position damping Dec. 3, 2013
8550222 Active material based bodies for varying frictional force levels at the interface between two surfaces Oct. 8, 2013
8393446 Methods and apparatus for suspension lock out and signal generation Mar. 12, 2013
8282087 Oscillation decoupling device Oct. 9, 2012
8261892 Customizable strut assemblies and articles that employ the same Sep. 11, 2012
8186490 Pushing force deviating interface for damping mechanical vibrations May. 29, 2012
8177041 Damper assemblies and vehicles incorporating the same May. 15, 2012
7931132 Damper Apr. 26, 2011
7637359 Modular interface for damping mechanical vibrations Dec. 29, 2009
7475761 Apparatus for vibration damping in a motor vehicle Jan. 13, 2009
7070026 Brake actuator apparatus and method for actuating a brake Jul. 4, 2006
7007894 In-flight refueling system, damping device and method for preventing oscillations in in-flight refueling system components Mar. 7, 2006
6889803 Torsional active vibration control system May. 10, 2005
6672434 Method and device for influencing the transfer of vibrations of a vibration generator to an object connected to it, in particular of engine vibrations to the body of a motor vehicle Jan. 6, 2004
6427812 Damper and valve Aug. 6, 2002
6389341 Control system for a vehicle suspension May. 14, 2002
6298958 Automatically adjustable damping force shock absorber Oct. 9, 2001
6193029 Damper and valve Feb. 27, 2001
6164424 Shock absorber with bypass damping Dec. 26, 2000
6082719 Spacecraft antenna vibration control damper Jul. 4, 2000
6026939 Shock absorber with stanchion mounted bypass damping Feb. 22, 2000
6003849 Hybrid isolator and structural control actuator strut Dec. 21, 1999
5996745 Piezoelectric shock absorber valve Dec. 7, 1999
5333455 Displacement magnifier for piezoelectric element Aug. 2, 1994
5233834 Piezo-actuator's displacement magnifying mechanism Aug. 10, 1993
5160162 Shock absorber producing variable damping force Nov. 3, 1992
5154263 Method and apparatus for controlling the flow of damping fluid through a piston Oct. 13, 1992
5129489 Hydraulically operated displacement transmission mechanism for shock absorber with variable damping force Jul. 14, 1992
5105918 Detection of damping force for shock absorber control Apr. 21, 1992
5078241 Controllable vibration dampers for motor vehicles Jan. 7, 1992
5078239 Shock absorber with adjustable damping force Jan. 7, 1992
5054809 Variable damping characteristics shock absorber Oct. 8, 1991
5038306 Electronic controller unit for correction of motor vehicle suspension system damping rate sensing errors Aug. 6, 1991
5000478 Shock absorber with Doppler fluid velocity sensor Mar. 19, 1991
4984819 Automotive suspension system and shock absorber therefor Jan. 15, 1991
4961483 Variable damping characteristics shock absorber with feature of generation of piston stroke direction indicative signal Oct. 9, 1990
4949989 Automotive suspension system with variable suspension characteristics and variable damping force shock absorber therefor Aug. 21, 1990
4770438 Automotive suspension control system with road-condition-dependent damping characteristics Sep. 13, 1988
4741416 Hydraulic shock absorber with adjustable damping force May. 3, 1988
4729459 Adjustable damping force type shock absorber Mar. 8, 1988
4664352 Suspension device for vehicle seat May. 12, 1987











 
 
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