Piston ring assembly with tangential expander

Details Piston ring assembly with tangential expander Piston ring assembly with tangential expander

1982-04-14

1983-10-11

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277141, 277142, 277216, 267 15, F16J 906

Patent

active

044087705

ABSTRACT:
A compound oil ring comprises flat rings and a tangential expander provided therebetween. The tangential expander comprises an annular integrally bent serpentine spring having vertically extending webs and horizontally extending flanges terminating in vertically extending bearing shoulders. Each vertically extending flange is bent so as to form at least one bend extending into the interior of the compound oil ring.

REFERENCES:
patent: 2565042 (1951-08-01), Phillips
patent: 2587888 (1952-03-01), Phillips
patent: 2635022 (1953-04-01), Shirk
patent: 3601415 (1971-08-01), Bond
patent: 4175758 (1979-11-01), Adamovich et al.

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