Pressure compensating seal

Details Pressure compensating seal Pressure compensating seal

1987-11-16

1988-12-06

Griffin, Donald A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

362 65, F16J 900, B60Q 106

Patent

active

047891653

ABSTRACT:
A seal for use between the edge of a housing opening and a cover attached to the opening has an outer gasket portion that substantially blocks the seam between the cover and the housing opening and edge, and an inner expandable and contractible portion that compensates for potential pressure differentials, thereby preventing ambient air from being drawn in through the seam.

REFERENCES:
patent: 2674194 (1954-04-01), Arlitunoff
patent: 3469862 (1969-09-01), Conibeer
patent: 3710093 (1973-01-01), Riehl
patent: 4380789 (1983-04-01), Craig

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