Piston ring assembly

Details Piston ring assembly Piston ring assembly

1978-12-28

1980-07-01

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

267 15, 277139, 277216, F16J 906, F16J 912

Patent

active

042103380

ABSTRACT:
A piston ring assembly for placement between a piston and a cylinder wall is provided. The assembly includes an annular expansion ring disposed around the piston, and an annular parted piston ring disposed around the expansion ring. A predetermined segment of the piston ring engages the expansion ring.

REFERENCES:
patent: 1868744 (1932-07-01), Grant
patent: 3066943 (1962-12-01), Brenneke
patent: 3195903 (1965-07-01), Hesling
patent: 3370858 (1968-02-01), Braendel

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