Rotary compressor or expansion engine of hypotrochoidal configur

Details Rotary compressor or expansion engine of hypotrochoidal configur Rotary compressor or expansion engine of hypotrochoidal configur

1980-10-20

1983-06-21

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F01C 122, F01C 1900, F04C 1822, F04C 2700

Patent

active

043891721

ABSTRACT:
The rotary compressor or expansion engine of the hypotrochoidal, two-lobe housing cavity type in which a rotor of a triangular profile is supported for planetative rotation within the housing cavity, has the meshing relationship of the timing gears angularly indexed slightly with respect to each other and from the theoretically desired position (where the apex portions of the rotor traces a path parallel to the inner surface of the housing cavity) so that the apex portions trace a path such that the apex portions are in close running-fit with the inner surface of the housing cavity in the area of highest pressure differential across the apex portions of the rotor.

REFERENCES:
patent: 3465729 (1969-09-01), Jones
patent: 4012180 (1977-03-01), Berkowitz et al.

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