Piston rings particularly suited for use with ceramic matrix com

Details Piston rings particularly suited for use with ceramic matrix com Piston rings particularly suited for use with ceramic matrix com

1995-08-16

1997-08-26

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277224, 277227, F16J 900

Patent

active

056603991

ABSTRACT:
A piston ring for use with ceramic matrix composite engine cylinders. In one embodiment, an extra-hard material is used for a conventional ring design. In another embodiment, a hardened edge employing Tungsten Carbide Cobalt is employed. The same edge treatment can also be employed for other seals such as that of a rotary engine.

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