High-pressure-fluid machine, a seal

Details High-pressure-fluid machine, a seal High-pressure-fluid machine, a seal

1988-09-06

1990-01-02

Green, Randall L.

Expansible chamber devices

Piston

With spring means for biasing side wall portion radially

92193, 92201, 277 75, 277102, 277116, F16J 106

Patent

active

048905429

ABSTRACT:
The seal, for use especially in non-lubricated, high-pressure, as compressors, in a one-piece, continuous sleeve which envelopes a reciprocable piston for sealing against the piston, or against the cylinder in which the piston translates. One end of the sleeve effects the sealing engagement, and the other end is spring-loaded to maintain the engagement. During operation of the compressor, or the like, it is the high-pressure gas which urges the seal into sealing engagement.

REFERENCES:
patent: 1346652 (1920-07-01), Hinshaw et al.
patent: 1945151 (1931-06-01), Marsh
patent: 3303757 (1967-02-01), Ward
patent: 3549155 (1970-12-01), Ward
patent: 4170363 (1979-10-01), Bergman
patent: 4352499 (1982-10-01), Foster
patent: 4582329 (1986-04-01), Stalph

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