Self flushing centrifugal pump

Details Self flushing centrifugal pump Self flushing centrifugal pump

1996-08-09

1998-02-03

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Radial flow runner portion guides re-entry working fluid

415111, 415113, 415230, 415231, F04D 100

Patent

active

057137196

ABSTRACT:
A self flushing centrifugal pump has a fluid flushing passageway disposed in a housing of the pump which directs flushing fluid flow from a volute passageway in the housing of the pump near an outlet port of the pump to a chamber in the pump near a pump shaft seal and from the chamber to an inlet port of the pump via apertures in the impeller of the pump in response to rotation of the impeller.

REFERENCES:
patent: 1664572 (1928-04-01), Poulsen
patent: 1867290 (1932-07-01), Vitu
patent: 1867652 (1932-07-01), Burks
patent: 1871747 (1932-08-01), Schlachter
patent: 2028783 (1936-01-01), Jacobsen
patent: 2361521 (1944-10-01), Yates
patent: 2641190 (1953-06-01), Johnson
patent: 3001517 (1961-09-01), Baker et al.
patent: 3037458 (1962-06-01), Olmstead et al.
patent: 3070028 (1962-12-01), Loy et al.
patent: 3160108 (1964-12-01), Sence
patent: 3541607 (1970-11-01), Greene
patent: 3581504 (1971-06-01), Andrus
patent: 5156522 (1992-10-01), Tessier
patent: 5195867 (1993-03-01), Stirling

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