Variable capacity centrifugal pump

Details Variable capacity centrifugal pump Variable capacity centrifugal pump

1988-02-23

1989-05-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

Temperature or fluid force responsive member

415131, F04D 1500, F04D 2928

Patent

active

048284548

ABSTRACT:
A variable capacity centrifugal pump capable of directly varying capacity, r output, in response to existing back pressure. The pump comprises a axially movable shroud having female grooves in fluid tight communication with male impeller vanes. The shroud has a top face surface in fluid communication with a control cavity which in turn is in fluid communication with pump back pressure.

REFERENCES:
patent: 2927536 (1960-03-01), Rhoades
patent: 2957424 (1960-10-01), Brundage
patent: 3329095 (1967-07-01), Bartels
patent: 3407740 (1968-10-01), Samerdyke
patent: 3482523 (1969-12-01), Morando
patent: 3806278 (1974-04-01), Grennan
patent: 3918831 (1975-11-01), Grennan
patent: 4070132 (1978-01-01), Lynch
patent: 4213735 (1980-07-01), Grennan
patent: 4378194 (1983-03-01), Bandukwalla
patent: 4417849 (1983-11-01), Morris
patent: 4419046 (1983-12-01), Carlini

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