Piston-cylinder unit

Details Piston-cylinder unit Piston-cylinder unit

1997-12-08

1999-12-07

Denion, Thomas E.

Expansible chamber devices

Resilient means interposed between working member and...

92128, 92172, F16J 110

Patent

active

059964685

ABSTRACT:
A piston-cylinder unit for a hydraulic system, especially for the actuation of clutches in motor vehicles, comprises a housing with an axially stepped bore hole in which a piston fastened to a tappet is guided so as to be axially displaceable. The piston displaces a fluid in the cylinder of the housing by its front end. The cylinder includes at least one pressure line connector, a connection to a fluid chamber, and at least one cup which is sealingly arranged in the housing relative to the outer surface of the piston. Both the housing and the piston comprise assemblies made of a plurality of parts. The assemblies are constructed by inserting the plurality of parts in order into a larger part and press fitting them in place.

REFERENCES:
patent: 2436908 (1948-03-01), Van Weenen et al.
patent: 4468927 (1984-09-01), Farr
patent: 4527395 (1985-07-01), Gaiser et al.
patent: 5083433 (1992-01-01), Leigh-Monstevens
patent: 5290120 (1994-03-01), Osterfeld et al.
patent: 5335585 (1994-08-01), Fischenich et al.
patent: 5499570 (1996-03-01), Bergelin et al.

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