Positive displacement centrifugal pump

Details Positive displacement centrifugal pump Positive displacement centrifugal pump

1993-07-15

1996-01-16

Bertsch, Richard A.

Pumps

Inertia-type pumping member or drive means

417462, 417328, F04B 1900

Patent

active

054842689

ABSTRACT:
A positive displacement centrifugal pump comprises (a) a pressure generating mass rotatable about a first axis and radially movable relative to it upon rotation of the mass, (b) a pumping unit, and (c) a flexible, non-elastic tensioning element operatively connected to the mass and operable in the course of rotation of the mass to cause the mass to move radially inwardly toward the axis so as to effect intake and/or exhaust of fluid within the pump.

REFERENCES:
patent: 272616 (1883-02-01), Annibale
patent: 1000305 (1911-08-01), Smith
patent: 1370305 (1921-03-01), Golle
patent: 1375160 (1921-04-01), Kuehn
patent: 1511985 (1924-10-01), Spencer
patent: 1857720 (1932-05-01), Gerling
patent: 2019023 (1935-10-01), Seilliere
patent: 2083847 (1937-06-01), Johnson
patent: 3945763 (1976-03-01), Terhune
patent: 3949705 (1976-04-01), Portalis
patent: 4169433 (1979-10-01), Crocker
patent: 4242053 (1980-12-01), Mulvenna

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