Centrifugal pump

Details Centrifugal pump Centrifugal pump

1978-08-08

1981-03-03

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with mounting means

416186R, F04D 2922

Patent

active

042537983

ABSTRACT:
A centrifugal pump includes an impeller and a volute casing. The impeller comprises a main disc and a plurality of vanes which project axially from at least one side of the disc. A fluid passage is formed between each pair of adjacent vanes. The passage has a constant depth and a gradually decreasing width from an inlet to an outlet thereof. Each fluid passage assures a flow of the fluid along the front surface of the associated vane and prevents the occurrence of a vortical flow therein. The volute casing has an inner surface which is substantially U-shaped in section and effectively converts the kinetic energy imparted to the fluid by the impeller into hydraulic pressures.

REFERENCES:
patent: 1406297 (1922-02-01), Stewart
patent: 2165808 (1939-07-01), Murphy
patent: 2767906 (1956-10-01), Doyle
patent: 3647314 (1972-03-01), Laessig
patent: 3816020 (1974-06-01), Ogles

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