Shaft sealing apparatus using a fluid sealing system

Details Shaft sealing apparatus using a fluid sealing system Shaft sealing apparatus using a fluid sealing system

1975-04-03

1976-07-27

Rothberg, Samuel B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 59, 277 62, 277 54, 277 73, 277 74, F16J 1516, F16J 1540

Patent

active

039715639

ABSTRACT:
A shaft sealing apparatus has a housing having axial symmetry about the axis of a shaft disposed therethrough. A seal ring supporting member is slidably disposed about the shaft and is enclosed by the housing. Seal rings are disposed in the seal ring supporting member. A means for moving the seal ring supporting member along the axial direction is provided so that the amount of overlapping area between the seal rings and a sealing portion of the shaft may be controllably varied.

REFERENCES:
patent: 838744 (1906-12-01), Parsons et al.
patent: 1846598 (1932-02-01), Hodgkinson
patent: 3085808 (1963-04-01), Williams
patent: 3119623 (1964-01-01), Shevchenko
patent: 3268232 (1966-08-01), Richards
patent: 3333856 (1967-08-01), Voitik

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