Seal for a cylinder-piston arrangement

Details Seal for a cylinder-piston arrangement Seal for a cylinder-piston arrangement

1980-04-09

1982-05-04

Ward, Jr., Robert S.

Expansible chamber devices

Passage in cylinder for application of separate fluid to...

92 90, 92153, 92 99, F01B 1904, F01M 104

Patent

active

043276296

ABSTRACT:
An apparatus comprising a cylinder, a piston located in part in the cylinder and movable relative thereto, an elastic tube member sealingly engaging the piston and the cylinder at spaced locations and at least partially defining a working chamber, the tube member stretching and contracting and the working chamber varying in volume upon relative movement of the piston and the cylinder, the tube member having a portion sliding against the inner wall of the cylinder as the volume of the working chamber varies and a ring member encircling the tube member and located between the tube member and the cylinder inner wall in the connection region of the tube member and the piston.

REFERENCES:
patent: 305214 (1884-09-01), Meckert
patent: 1085818 (1914-02-01), Oxnard
patent: 2027979 (1936-01-01), Hopkins
patent: 3241379 (1966-03-01), Rietdijk et al.
patent: 3478649 (1969-11-01), Lewis

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