Combined oil ring assembly

Details Combined oil ring assembly Combined oil ring assembly

1991-02-04

1992-02-18

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277139, F16J 906

Patent

active

050887432

ABSTRACT:
A combined oil ring assembly consisting of a corrugated, annular expander having abutting ends and a pair of upper and lower side rails, the rails resting on the upper and lower sides of the expander and engaging a plurality of circumferentially spaced ear portions formed on the two sides of the expander. To strengthen the ends of the expander, the ear portions of the expander nearest to its two abutting ends, only have cut-outs on their sides remote from the ends and nearest to the next adjacent ear portions.

REFERENCES:
patent: 2893798 (1959-07-01), Olson
patent: 3166331 (1965-01-01), Warrick
patent: 3338582 (1967-08-01), DeBruin
patent: 4722535 (1988-02-01), Maeda et al.

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