Double volute pump with replaceable lips

Details Double volute pump with replaceable lips Double volute pump with replaceable lips

1976-01-14

1978-02-28

Husar, C. J.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Passage or casing attached removable liner or wear member

51428, 415170A, 417900, F04B 700

Patent

active

040764508

ABSTRACT:
Volute pumps are frequently used for abrasive liquids such as in the transportation of aqueous slurrys of finely divided coal and similar materials. Since pumps for such purposes are very large, they are ordinarily made as double volute pumps to minimize radial thrust. When pumps are used for abrasive materials, the wear on the pump occurs primarily at the volute lips. In accordance with the present invention, a volute pump is provided with replaceable lips so that the lips can be replaced as they become worn. Further, the lips can be made of a much more resistant material than the body of the pump.

REFERENCES:
patent: 1357628 (1920-11-01), Elmore
patent: 1989061 (1935-01-01), Longnecker
patent: 3043229 (1962-07-01), Atwood, Jr. et al.
patent: 3091182 (1963-05-01), Anderson et al.
patent: 3191539 (1965-06-01), Davenport
patent: 3499388 (1970-03-01), Eberhardt
patent: 3732028 (1973-05-01), Heynemann et al.

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