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Class Information
Number: 188/267.2
Name: Brakes > Internal-resistance motion retarder > Magnetic fluid or material (e.g., powder)
Description: Internal resistance motion retarder wherein a dipolar liquid or gas composition changes viscosity upon application of energy.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8694210 Saddle riding type vehicle and steering damper device for use in saddle riding type vehicle Apr. 8, 2014
8684367 Methods and apparatus for suspension lock out and signal generation Apr. 1, 2014
8672104 Control of magnetorheological mount Mar. 18, 2014
8672105 Damping control device filled with magnetorheological fluid and engine mount having the same Mar. 18, 2014
8651250 Magnetorheological devices with permanent magnet field bias Feb. 18, 2014
8631917 Elevator brake with magneto-rheological fluid Jan. 21, 2014
8602182 Controllable vehicle suspension system with a controllable magnetorheological fluid strut Dec. 10, 2013
8573623 Front fork Nov. 5, 2013
8561764 Damping device for a two-wheeled vehicle Oct. 22, 2013
8550222 Active material based bodies for varying frictional force levels at the interface between two surfaces Oct. 8, 2013
8547191 Damping device capable of providing increased stiffness Oct. 1, 2013
8499908 Non-newtonian fluid (NNF) filled cable and method Aug. 6, 2013
8490762 Magnetorheological (MR) piston ring and MR damper having same Jul. 23, 2013
8485324 Damper device for a two-wheeled vehicle Jul. 16, 2013
8453330 Electromagnet flow regulator, system, and methods for regulating flow of an electrically conductive fluid Jun. 4, 2013
8453806 Damping device for a two-wheeled vehicle Jun. 4, 2013
8443947 Magneto-rheological fluid damper May. 21, 2013
8430416 Movement damping apparatus Apr. 30, 2013
8430129 Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid Apr. 30, 2013
8424656 Rotary vane magnetorheological (MR) energy absorber Apr. 23, 2013
8418819 Movement damping apparatus Apr. 16, 2013
8413772 Magnetorheological fluid elastic lag damper for helicopter rotors Apr. 9, 2013
8413773 Magnetorheological damper system Apr. 9, 2013
8408370 Energy absorbing element Apr. 2, 2013
8397760 Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid Mar. 19, 2013
8397885 Magneto-rheological fluid brake Mar. 19, 2013
8387420 Drum type washing machine Mar. 5, 2013
8387959 Structure of orifice plate for engine mount filled with magnetorheological fluid Mar. 5, 2013
8327984 Magnetorheological (MR) piston assembly with primary and secondary channels to improve MR damper force Dec. 11, 2012
8322498 Shock absorber Dec. 4, 2012
8322497 Magneto-rheological dampers for semi-active suspension systems Dec. 4, 2012
8317002 System of smart colloidal dampers with controllable damping curves using magnetic field and method of using the same Nov. 27, 2012
8292048 Energy absorbing device operating with a free-flowing medium Oct. 23, 2012
8286763 Magnetorheological fluid-based device having a magnetorheological piston assembly Oct. 16, 2012
8240642 Fluid damper with internal compression spring Aug. 14, 2012
8225913 Damper for continuously variably adjusting damping force Jul. 24, 2012
8215467 Multi-gap magnetorheological fluid clutch Jul. 10, 2012
8215463 Variable damping-force damper and manufacturing method of the same Jul. 10, 2012
8205728 Magnetorheological force transmission device Jun. 26, 2012
8160774 Vehicular actuator system Apr. 17, 2012
8152145 Isoelastic magneto-rheological elastomer isolator Apr. 10, 2012
8141689 Magnetorheological (MR) piston ring with lubricating grooves Mar. 27, 2012
8104591 Magnetic valve for shock absorbers Jan. 31, 2012
8100235 Controllable hydraulic bearing Jan. 24, 2012
8100238 Magnetorheological clutch Jan. 24, 2012
8091692 Fluid-filled cellular solids for controlled Jan. 10, 2012
8078360 Control apparatus of a variable damping force damper Dec. 13, 2011
8056687 Apparatus with active material surface in contact with rheological fluid and method of enhancing performance thereof Nov. 15, 2011
8051961 Magneto-rheological damper Nov. 8, 2011
8042659 Active force generation/isolation system employing Magneto Rheological Fluid (MRF) Oct. 25, 2011

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