Pump unit

Details Pump unit Pump unit

1990-05-10

1992-08-11

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

416185, 41742314, F04D 2940

Patent

active

051374242

ABSTRACT:
A pump has an impeller with a circular series of airfoil vanes rigidly mounted thereon. The impeller is mounted in a casing which has a radially outwardly increasing internal axial extent, such that fluid flowing through the pump has a less constricted path peripherally of the pump chamber than centrally of the pump chamber. The vanes are of airfoil configuration and create regions of decreased pressure on their radially inner surfaces and regions of increased pressure on their radially outer surfaces, upon movement of the series of vanes through a fluid. The radially outwardly increasing axial extent of the pump chamber is measured from a front chamber wall to a surface opposite the front chamber wall, and occurs radially inwardly of the path of the vanes from the inlet to the vanes.

REFERENCES:
patent: Re24803 (1960-03-01), Burnside
patent: 111026 (1871-01-01), Williams
patent: 788000 (1905-04-01), Wahle
patent: 1433995 (1922-10-01), Fowle
patent: 2418012 (1947-03-01), Chester
patent: 2430552 (1947-11-01), Bernal
patent: 3130679 (1964-04-01), Sence
patent: 3261297 (1966-07-01), Daniel
patent: 3319573 (1967-05-01), Judd

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