Piston ring

Details Piston ring Piston ring

1982-12-06

1984-03-27

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277216, F16J 912

Patent

active

044389370

ABSTRACT:
The area of the cross-section of a piston is reduced while maintaining the over-all dimensions of the cross-section such that the ring is usable in the conventional ring groove of a piston and cylinder assembly. The reduction in the area of the cross-section decreases the inertia of the ring for increased responsiveness to the operating conditions of the assembly. In accordance with a preferred embodiment, the area is reduced by forming a continuous groove in one of the surfaces of the ring.

REFERENCES:
patent: 1214429 (1917-01-01), Cook
patent: 1401930 (1921-12-01), Wainwright
patent: 1418918 (1922-06-01), Hall
patent: 1488296 (1924-03-01), Stevens
patent: 2042820 (1936-06-01), Bax
patent: 3186723 (1965-06-01), Wagner
Europatent No. 0019971

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