Apparatus utilizing rotary motion of a member as the motive forc

Details Apparatus utilizing rotary motion of a member as the motive forc Apparatus utilizing rotary motion of a member as the motive forc

1980-01-25

1981-12-29

Gluck, Richard E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

175107, 308187, 417310, 418 48, F16J 1540, F01C 110

Patent

active

043078893

ABSTRACT:
An arrangement for minimizing the pressure differential across shaft seals is characterized by a pump powered by the rotative force of a shaft to pump a fluid from a reservoir chamber into a chamber next-adjacent to each shaft seal. When the pressures in the chambers adjacent to the seals exceed a predetermined magnitude, a pressure relief arrangement is opened, thus venting the chambers and maintaining the differentials across the seals as minimal as possible.

REFERENCES:
patent: 1892217 (1932-12-01), Moineau
patent: 3600109 (1971-08-01), Paulichenke et al.
patent: 3740057 (1973-06-01), Doyle
patent: 3888495 (1975-06-01), Mayer
patent: 3894818 (1975-07-01), Tschirky
patent: 4039229 (1977-08-01), Ohlberg
patent: 4080115 (1978-03-01), Sims et al.

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