Damped clutch plate system and method

Details Damped clutch plate system and method Damped clutch plate system and method

2008-07-22

2008-07-22

Lorence, Richard M (Department: 3681)

192 clutches and power-stop control

Clutches

C192S10700R, C192S10700R

Reexamination Certificate

active

07401690

ABSTRACT:
The invention seeks to minimize the vibration and noise in a clutch plate system, by damping either or both the clutch plate and pressure plate with the use of various engineered viscoelastic materials. A clutch plate assembly is provided, comprising a plate body having a first surface and a second surface. In a first embodiment of the invention, the plate body is formed from a laminated sheet structure including two layers of steel having a viscoelastic core between the two layers and coextensive with the two layers. The viscoelastic core may be tunable to damp at different temperatures. In a second embodiment of the invention, an engineered viscoelastic material is used as a layer of bonding material for the first and second surface of the plate body. A method for damping a clutch plate assembly is provided.

REFERENCES:
patent: 3221853 (1965-12-01), Batchelor et al.
patent: 3231058 (1966-01-01), Batchelor et al.
patent: 5662199 (1997-09-01), Chevallier
patent: 5939179 (1999-08-01), Yano et al.
patent: 04344230 (1992-11-01), None

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