Two ring piston with lower tapered L-shaped ring

Details Two ring piston with lower tapered L-shaped ring Two ring piston with lower tapered L-shaped ring

1991-01-11

1992-07-28

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277170, 277173, 277214, F16J 912

Patent

active

051335638

ABSTRACT:
Piston rings for internal combustion engines and compressors are described. The piston ring comprises a generally "L-shaped" cross section and may be used in place of a conventional oil control piston ring. It may fulfill an exclusively oil scraping function or may act as a combined oil scraper and compression ring.

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