Two components of a cylinder for a hydraulically operated friction clutch assembly having scored running surface for minimizing noise

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United States of America Patent

PATENT NO 5988340
SERIAL NO

08895770

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Abstract

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This invention relates to a seal between two components which two components can move relative to one another. The seal can be used in particular for hydraulic, pneumatic or hydropneumatic systems, whereby at least one elastic seal element interacts with a running surface. Preferably, this seal is used between a piston-shaped part and a cylinder-shaped part. In any case, the running surface, which running surface is mobile relative to the gasket, is provided with depressions. The depressions in the running surface, which running surface interacts with the gasket, form a cross-hatched pattern.

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Patent Owner(s)

Patent OwnerAddress
FICHTEL & SACHS AGERNST-SACHS-STR 62 97419 SCHWEINFURT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Riess, Thomas Rottelsdorf, DE 39 614

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