Internal seal for rotary piston combustion engine

Details Internal seal for rotary piston combustion engine Internal seal for rotary piston combustion engine

1974-08-29

1976-02-17

Husar, C. J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

F01C 1912

Patent

active

RE0287148

ABSTRACT:
The invention relates to an internal seal for rotary piston combustion engines of the trochoid type in which a housing consisting of two end pieces and a multiarcuate shell contains a polygonal piston rotatably mounted on an eccentric. At least one sealing ring conconcentric with the piston axis of rotation is disposed in a recess of the piston in each of its two end faces. The ring is pressed by spring means against the adjoining end piece and is sealingly and slidably engaged therewith to prevent passage of coolant or lubricant into the working chambers. The seal between the sealing ring and a wall of the recess in the end face of the piston is effected by an elastic ring.

REFERENCES:
patent: 3309011 (1967-03-01), Osakada et al.
patent: 3323712 (1967-06-01), Froede et al.
patent: 3400939 (1968-09-01), Jones
patent: 3415444 (1968-12-01), Frenzel
patent: 3506275 (1970-04-01), Moriyama
patent: 3575541 (1971-04-01), Hamada
patent: 3697202 (1972-10-01), Reinhart
patent: 3718412 (1973-02-01), McCormick
patent: 3782869 (1974-01-01), Steinwart
patent: 3796436 (1974-03-01), Kurio

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