Hybrid seal with both static and dynamic seal rings

Details Hybrid seal with both static and dynamic seal rings Hybrid seal with both static and dynamic seal rings

1983-09-02

1985-12-10

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277105, 277177, 277188A, 277206A, F16J 1518

Patent

active

045574871

ABSTRACT:
A hybrid sealing member has a sleeve with an inner surface dynamic seal and an outer surface static seal. The inner surface of the sleeve utilizes a plurality of quad ring seals having sides with undulations. The outer sleeve surface has a groove that holds an O-ring seal. Backup rings can be provided for both the quad rings and the O-rings to prevent slippage of the rings.

REFERENCES:
patent: 2456356 (1948-12-01), Aber
patent: 2690360 (1954-09-01), Young
patent: 2747954 (1956-05-01), Damm et al.
patent: 2783068 (1957-02-01), Bloom et al.
patent: 3418001 (1968-12-01), Rentschler et al.
patent: 4106779 (1978-08-01), Zabcik

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