Oil seal means for rotary piston engines

Details Oil seal means for rotary piston engines Oil seal means for rotary piston engines

1977-02-25

1978-05-02

Ross, Herbert F.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 92, 418142, F16J 1534

Patent

active

040870995

ABSTRACT:
In a rotary piston engine comprising a casing having a pair of opposed inner side surfaces, and a rotor disposed in the casing and having opposite side surfaces confronting with said inner side surfaces of the casing, an oil seal assembly is positioned in an annular seal groove formed in each side surface of the rotor. The seal assembly comprises a seal ring having an annular lip adapted to be brought into sealing sliding engagement with the inner side surface of the casing, a bellows type spring connected at one end with the seal ring and an annular member connected to the other end of the spring and seated in the seal groove. An auxiliary seal is positioned between the annular member and the wall of the seal groove.

REFERENCES:
patent: 3822973 (1974-07-01), Prasse
patent: 3827701 (1974-08-01), Sakawaki
patent: 3884602 (1975-05-01), Phillips
patent: 3909015 (1975-09-01), Kasahara

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