Spacer and expander member for holding and biasing piston ring r

Details Spacer and expander member for holding and biasing piston ring r Spacer and expander member for holding and biasing piston ring r

1982-11-04

1984-02-07

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277141, 277216, 267 15, F16J 906, F16J 920

Patent

active

044298854

ABSTRACT:
A piston ring assembly including a pair of rails engageable with a cylinder wall and a spacer and expander member for holding and expanding the rails. The spacer and expander member has a corrugated base and arms extending alternately upwardly and downwardly from lower and upper crowns of the corrugated base, which arms are inclined radially outwardly to provide an improved resilient spring-like action to the rails supported on the crowns.

REFERENCES:
patent: 2831738 (1958-04-01), Marien
patent: 3477732 (1969-11-01), Warrick
patent: 3606354 (1971-09-01), Prasse et al.
patent: 3762728 (1973-10-01), Prasse et al.
patent: 3998572 (1976-12-01), Warrick

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