Piston rings with control slits

Details Piston rings with control slits Piston rings with control slits

1980-05-22

1982-11-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277225, 267 15, F16J 912

Patent

active

043592295

ABSTRACT:
A piston ring is provided, on its support surfaces transversal to the movable member carrying said piston ring, with a plurality of relief means formed by slits and/or grooves distributed along said support surfaces.

REFERENCES:
patent: 1369075 (1921-02-01), Ballman
patent: 2387855 (1945-10-01), Phillips

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