Fluid filled dampening mechanism utilizing a fluid having a thic

Details Fluid filled dampening mechanism utilizing a fluid having a thic Fluid filled dampening mechanism utilizing a fluid having a thic

1998-03-23

2000-11-14

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

192207, 267165, F16D 1302

Patent

active

061458201

ABSTRACT:
The present invention relates to a clutch disk assembly having a dampening mechanism which includes a hub and a pair of plates joined together at a radial outer portion thereof. The hub and the plates define a generally annular fluid chamber therebetween. An undulated flat-spring is disposed in the annular fluid chamber. The undulated flat-spring is compressible between the hub and a portion of one of the pair of plates in response to relative rotary displacement between the hub and the pair of plates. A viscous fluid is disposed in the annular fluid chamber and has a kinematic viscosity within a range of 500-50,000 cSt at 60.degree. C. A gap is defined between radially extending inner sides of the annular fluid chamber and corresponding sides of the undulated flat-spring. The gap is within a range of 0.1 to 0.6 mm.

REFERENCES:
patent: 1582562 (1926-04-01), Vogel
patent: 2145166 (1939-01-01), Douglas
patent: 2775105 (1956-12-01), Banker
patent: 3737155 (1973-06-01), Karlan
patent: 5385221 (1995-01-01), Van Maanen

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