Fluid pump comprised by blades

Details Fluid pump comprised by blades Fluid pump comprised by blades

1991-08-14

1992-11-10

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between vane and cylinder

F04C 18344, F04C 2700

Patent

active

051619628

ABSTRACT:
The invention relates to a fluid pump having movable blades which are housed inside the rotor thereof, the blades having at portions facing the stator a concavity into which a semicircular section shoe seats and swings, the diameter of which is larger than the blade thickness, the shoes being fixed to each of the blades by means of the ends of a flexible rod, such rod embracing the blade sides and fitting into its rear portion, this assembly being housed into a substantially elliptical vertical section stator.

REFERENCES:
patent: 1580713 (1926-04-01), Ensign
patent: 2461377 (1949-02-01), Gilson
patent: 3158103 (1964-11-01), Eickmann
patent: 3478728 (1969-11-01), Kelly
patent: 3951111 (1976-04-01), Lester
patent: 4548560 (1985-10-01), Kanao

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