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Class Information
Number: 188/322.5
Name: Brakes > Internal-resistance motion retarder > Using viscosity of fluid medium
Description: Device wherein the medium is a flowable material, the material has a characteristic resistance to flow and the resistance to flow is used to restrain motion.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8672104 Control of magnetorheological mount Mar. 18, 2014
8327985 Two stage vibration isolator Dec. 11, 2012
8246010 Fluid shear actuated hoist brake Aug. 21, 2012
8220603 Rotary damper with one-way clutch Jul. 17, 2012
7938238 Rotary damper May. 10, 2011
7896019 Active controlled energy absorber using responsive fluids Mar. 1, 2011
7661912 Tool having damper Feb. 16, 2010
7604100 Rotary damper Oct. 20, 2009
7424939 Rotary damper Sep. 16, 2008
7413063 Compressible fluid magnetorheological suspension strut Aug. 19, 2008
7264096 Rotary damper Sep. 4, 2007
7225905 Magnetorheological fluid damper Jun. 5, 2007
7182188 Isolator using externally pressurized sealing bellows Feb. 27, 2007
6968929 Damper Nov. 29, 2005
6918472 Arrangement for a piston and cylinder device Jul. 19, 2005
6840356 Rotary damper Jan. 11, 2005
6729448 Rotary damper May. 4, 2004
6659240 Arrangement for a piston and cylinder device Dec. 9, 2003
6499573 Damping device Dec. 31, 2002
6373002 Damper for a weighing device and a weighing device provided with a damper Apr. 16, 2002
6328144 Inverted type of vehicular damper with vehicle height adjusting function Dec. 11, 2001
6298960 Small viscous precision damper Oct. 9, 2001
6250441 Viscous shear-type damper Jun. 26, 2001
6230450 Damping top, damping rod, and damping device using same May. 15, 2001
6224044 Level control system for a motor vehicle May. 1, 2001
RE37015 Vibration damping device using ER fluids having multiple electrodes Jan. 16, 2001
6135364 Rotator air management system Oct. 24, 2000
6129186 Rotational damper Oct. 10, 2000
6044940 Remote-controlled hydropneumatic shock absorber Apr. 4, 2000
6026939 Shock absorber with stanchion mounted bypass damping Feb. 22, 2000
6007130 Vehicle having strut assemblies and collapsible support members Dec. 28, 1999
5992582 Electrorheological rotary pure-shear damping devices Nov. 30, 1999
5992583 Method of stabilizing valve lift-off in hydraulic shock absorbers Nov. 30, 1999
5944152 Apparatus mountings providing at least one axis of movement with damping Aug. 31, 1999
5921357 Spacecraft deployment mechanism damper Jul. 13, 1999
5862896 Device for dampening the movement of a pivotally supported structural part, for example, a flap in an automobile Jan. 26, 1999
5810126 Electroheological fluid composite structures Sep. 22, 1998
5788029 Vibration isolation system Aug. 4, 1998
5718309 Rotary damper with grooves and wall spaces Feb. 17, 1998
5667204 Slit-tube replicated in-place constrained layer damper and method Sep. 16, 1997
5590745 Vibration damping device using ER fluids having multiple electrodes Jan. 7, 1997
5540408 Drag unit for a tripod head Jul. 30, 1996
5497863 Rotary damper Mar. 12, 1996
5477949 Shock absorber Dec. 26, 1995
5460252 One-way rotary damper Oct. 24, 1995
5450931 Vibration control apparatus Sep. 19, 1995
5445247 Damping unit Aug. 29, 1995
5379991 Horizontally and vertically acting viscous vibration damper Jan. 10, 1995
5373920 Horizontally and vertically acting viscous medium vibration damper Dec. 20, 1994
5368140 Damper device and method of its use, and a device for manufacturing semiconductors using the damper device Nov. 29, 1994

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