Double ring piston sealing arrangement

Details Double ring piston sealing arrangement Double ring piston sealing arrangement

1985-02-19

1986-10-07

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277197, 277220, F16J 916

Patent

active

046155317

ABSTRACT:
An improved dual ring sealing arrangement (10) for a piston head (17) having at least one circumferential groove (15) formed therein, wherein the arrangement comprises a first sealing ring (13) having a recess (23) adapted to receive a protrusion (22) formed on the second sealing ring (14), whereby the respective ring gaps (20) are off-set from one another when said first and second sealing rings are joined together in a mating relationship.

REFERENCES:
patent: 1865566 (1932-07-01), Hodge
patent: 3991455 (1976-11-01), Bergeron

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