Oil seal means of a rotary piston engine

Details Oil seal means of a rotary piston engine Oil seal means of a rotary piston engine

1974-09-18

1976-08-24

Husar, C. J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

F01C 1900, F04C 1500, F04C 2700

Patent

active

039764060

ABSTRACT:
An oil seal means of a rotary piston engine wherein an oil seal ring is mounted in an annular oil seal groove formed as a cut in a side wall portion of a rotor, wherein the oil seal ring has at least one projection radially projecting from its front circumferential edge portion, said projection being in engaging relationship with a corresponding notch formed at an annular opening edge portion of said annular oil seal groove for the purpose of preventing the ring from circumferentially sliding along the annular oil seal groove.

REFERENCES:
patent: 3575541 (1971-04-01), Hamada
patent: 3820925 (1974-06-01), Uchiyama et al.
patent: 3853440 (1974-12-01), Green
1 B424,572, Jan. 1975, Rose, 418/142.

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