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Class Information
Number: 464/24
Name: Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts > Fluid coupling
Description: A flexible coupling wherein a liquid or gas is used to affect or effect the coupling.










Sub-classes under this class:

Class Number Class Name Patents
464/28 Fluid confined in enclosure having flexible walls 17
464/25 For transmitting limited pulsating torque (e.g., fluid drive coupling for impulse tool) 26
464/27 Including multiple piston-cylinder devices radially spaced from axis of rotation 41
464/26 Including piston axially movable in cylinder having axis coextensive with axis of rotation of coupled members 21


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8632413 Torsional vibration damper Jan. 21, 2014
8336685 Damper Dec. 25, 2012
8308590 Hub-pulley assembly having a rotationally disengageable pulley Nov. 13, 2012
8303422 Torsional oscillation damper Nov. 6, 2012
8075410 Torsional vibration damper arrangement Dec. 13, 2011
7926637 Device for damping vibrations, in particular, torsion vibration damper Apr. 19, 2011
7578743 Torsional vibration dampener Aug. 25, 2009
6938515 Method and system for compensating the vibrations of rotating components Sep. 6, 2005
6883655 Variable torsional damper having magneto-rheological fluid damping in parallel with a spring damper Apr. 26, 2005
6743105 Damper assembly Jun. 1, 2004
6699132 Apparatus for damping vibrations Mar. 2, 2004
6679365 Viscous Fluid Coupling Jan. 20, 2004
6558260 Torsional vibration damping apparatus May. 6, 2003
6491586 Flow passage structure for shaft-press-fitted flange members Dec. 10, 2002
6484859 Shaft coupling with a dampening device Nov. 26, 2002
6474458 Viscous fluid coupling Nov. 5, 2002
6471593 Device for absorbing oscillations, especially an oscillation damper Oct. 29, 2002
6428417 Flow passage structure for shaft-press-fitted flange members Aug. 6, 2002
6382050 Vibration damping device May. 7, 2002
6305519 Viscous fluid coupling Oct. 23, 2001
6296096 Shaft coupling with a dampening device Oct. 2, 2001
6273823 Seal for a torsional vibration damper Aug. 14, 2001
6261181 Drive device for a motor vehicle door lock or the like Jul. 17, 2001
6213881 Damper device Apr. 10, 2001
6196923 Apparatus for damping vibrations Mar. 6, 2001
6193611 Flexible coupling Feb. 27, 2001
6179714 Apparatus for damping vibrations Jan. 30, 2001
6176783 Rotary drag devices Jan. 23, 2001
6149525 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Nov. 21, 2000
6126549 Coupling device Oct. 3, 2000
6095299 Friction clutch with a compensating system Aug. 1, 2000
6095922 Rotation damper Aug. 1, 2000
6095923 Propeller shaft Aug. 1, 2000
6058801 Torsional vibration damper with a closure for openings for filling the grease chamber May. 9, 2000
6050380 Friction clutch with a compensating system Apr. 18, 2000
6003648 Torque converter Dec. 21, 1999
5997402 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Dec. 7, 1999
5992589 Torque converter having both a lock-up clutch and a disengaging clutch mechanism Nov. 30, 1999
5980386 Apparatus for damping vibrations Nov. 9, 1999
5980387 Apparatus for damping vibrations Nov. 9, 1999
5971857 Apparatus for damping vibrations Oct. 26, 1999
5967899 Centrifugal mass device with an axial slide bearing as seal Oct. 19, 1999
5944610 Two-mass flywheel for a motor vehicle, which two-mass flywheel has an opening to receive lubricant Aug. 31, 1999
5935007 Torsional vibration damper Aug. 10, 1999
5931735 Flywheel device with a seal Aug. 3, 1999
5911628 Flywheel device with a seal for a grease chamber Jun. 15, 1999
5863252 Apparatus for damping vibrations Jan. 26, 1999
5860501 Clutch device Jan. 19, 1999
5860863 Apparatus for damping vibrations Jan. 19, 1999
5803441 Damper mechanism with undulated ribbon-like spring having means for restricting radial movement of the spring Sep. 8, 1998

1 2 3 4










 
 
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