Constant flow centrifugal pump

Details Constant flow centrifugal pump Constant flow centrifugal pump

1979-02-01

1980-07-22

Gilreath, Stanley N.

Rotary kinetic fluid motors or pumps

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

Control of working fluid and diverse apparatus part

415 26, 415131, 415140, F04D 1500, F01D 502, F03B 1502

Patent

active

042137357

ABSTRACT:
A high pressure centrifugal pump has an impeller assembly including two mating impeller sections which are each constituted by a shroud with fixed geometry blades. The impeller sections are fixedly mounted upon a rotatable shaft and are of a construction which permits the pressure between the impeller sections to engender flexure of the sections away from each other so as to vary the breadth of the impeller assembly. A servo control device is adapted to control the pressure behind the shrouds such that the pump delivers a constant flow at varying back pressures.

REFERENCES:
patent: 180612 (1876-08-01), Marlin
patent: 2358744 (1944-09-01), Stepanoff
patent: 3407740 (1968-10-01), Samerdyke
patent: 3733143 (1973-05-01), Theis, Jr.
patent: 3918831 (1975-11-01), Grennan

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