Engine seal assembly

Details Engine seal assembly Engine seal assembly

1975-10-31

1977-03-08

Vrablik, John J.

Rotary expansible chamber devices

Nutating working member

With mechanical sealing

418142, 277 79, 277138, 277193, F01C 1900, F01C 102, F16J 916, F16J 1500

Patent

active

040110303

ABSTRACT:
An improved internal combustion engine including a housing defining an operating chamber having a wall, an output shaft journalled in the housing and a piston operatively associated with the shaft and movable within the housing. The piston is provided with a seal receiving groove and the groove receives both a compression seal and an oil seal. In a preferred embodiment, the groove includes a step to define a relatively deep compression seal receiving portion and a relatively shallow oil seal receiving portion.

REFERENCES:
patent: 1288085 (1918-12-01), McGinniss
patent: 2951732 (1960-09-01), Brenneke
patent: 3153540 (1964-10-01), Naperala et al.
patent: 3583293 (1971-06-01), De Biasse
patent: 3759148 (1973-09-01), Geffroy
patent: 3884602 (1975-05-01), Phillips
Clarke et al., A New Class of Rotary Piston Machine Suitable for Compressors, Pumps, and Internal Combustion Engines, Proceedings at Institute of Mechanical Engineers, 1972, vol. 186 62/72, pp. 743-753, 418-453.

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