Rotary, positive-displacement machine

Rotary expansible chamber devices – Interengaging rotating members

Patent

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Details

F01C 124, F04C 1800

Patent

active

044300506

ABSTRACT:
The machine comprises a housing with parallel intersecting bores in which two pair of lobed rotors are rotatably mounted. The housing has high-pressure, end ports which are occluded and exposed by one rotor, i.e., a gating rotor, of each rotor pair. The gating rotors and their paired, co-acting rotors, i.e., main rotors, have different-sized hubs. The gating rotors have the larger-diameter hubs to control the high-pressure end ports. The rotor pairs are so configured and dimensioned as to insure that each pair defines a constant and uniform clearance therebetween in all rotary positions, and provide a machine having an optimum performance.

REFERENCES:
patent: Re29627 (1978-05-01), Weatherston
patent: 3472445 (1969-10-01), Brown
patent: 3989413 (1976-11-01), McGahan
patent: 4059368 (1977-11-01), McGahan
patent: 4224016 (1980-09-01), Brown

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