Internal seal for the piston of a rotary piston engine

Details Internal seal for the piston of a rotary piston engine Internal seal for the piston of a rotary piston engine

1974-06-21

1976-03-02

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

F01C 1908, F04C 2700, F02B 5504

Patent

active

039415252

ABSTRACT:
A rotary piston engine of the trochoid type is provided with a housing having two end pieces and a shell having a multi-arcuate interior surface in which the piston is rotatably mounted on the eccentric of an eccentric shaft. An internal seal for the piston includes at least one scraper ring arranged to be axially movable in a concentric annular groove in one face of the piston, revolving with the piston, and pressed by spring action against the adjacent end wall of the housing.

REFERENCES:
patent: 3168237 (1965-02-01), Paschke
patent: 3179331 (1965-04-01), Paschke et al.
patent: 3396708 (1968-08-01), Tado
patent: 3718412 (1973-02-01), McCormick

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