Mechanical seal with cylindrical balance sleeve

Details Mechanical seal with cylindrical balance sleeve Mechanical seal with cylindrical balance sleeve

1983-09-29

1985-04-16

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277 29, 277 87, 277 93SD, F16J 1538, F16J 1548

Patent

active

045111499

ABSTRACT:
A mechanical seal assembly comprising rotatable and stationary seal rings with faces opposing one another. Means are provided to insure a pressure balance on the outside surface and on the inside surface of the softer seal ring, so that this seal ring does not deflect and distort, and wear in an undesirable manner.

REFERENCES:
patent: 3119623 (1964-01-01), Shevchenko
patent: 3315968 (1967-04-01), Hanlon
patent: 3813103 (1974-05-01), Wiese
patent: 4114900 (1978-09-01), Wiese
patent: 4174844 (1979-11-01), Zobens
patent: 4272084 (1981-06-01), Martinson
patent: 4381867 (1983-05-01), Ohgoshi

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