Rotary fluid pumps

Details Rotary fluid pumps Rotary fluid pumps

1974-11-29

1976-03-09

Freeh, William L.

Rotary expansible chamber devices

Axially moving vane or abutment

Sliding

F04C 1500

Patent

active

039429202

ABSTRACT:
A rotary fluid pump rotor is not eccentrically rotated relative to a casing and as a consequence an eccentric load is not loaded on the shaft and bearing. The fluid pump of the invention may use a seal ring in order to maintain fluids air-tight for effective operation.

REFERENCES:
patent: 750219 (1904-01-01), Von Mittler
patent: 2100267 (1937-11-01), Potthast
patent: 2646753 (1953-07-01), Zoll
patent: 3163090 (1964-12-01), Conrad
patent: 3456594 (1969-07-01), Cosby
patent: 3489126 (1970-01-01), Regar
patent: R19783 (1935-12-01), Roberts

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