Self-drawing centrifugal pump

Details Self-drawing centrifugal pump Self-drawing centrifugal pump

1977-05-09

1979-05-08

Husar, C. J.

Rotary kinetic fluid motors or pumps

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

Cross flow runner

415209, 415211, F01D 112

Patent

active

041533852

ABSTRACT:
A self-drawing centrifugal pump having a distributor with asymmetrical blades thereon and at least one inflow or recirculation opening therein. Flaps or the like are arranged on the distributor and serve to close off the channels during the suction phase of the pump. After flow has started, the flaps are adapted to open slightly at first and eventually all the way open to render the entire cross section of the channels available for fluid flow. A portion of the fluid flow is returned through the inflow or recirculation opening to the rotor space or into the outermost part of the rotor where it is again mixed with air and subsequently conveyed away.

REFERENCES:
patent: 961993 (1910-06-01), Valk
patent: 2291760 (1942-08-01), Rupp
patent: 2653546 (1953-09-01), Marlow, Jr.
patent: 2945448 (1960-07-01), Frederick
patent: 2951449 (1960-09-01), Blarcom, Jr. et al.
patent: 3045603 (1962-07-01), Hunter
patent: 3103177 (1963-09-01), Gatto et al.
patent: 3286639 (1966-11-01), Hutton
patent: 3416456 (1968-12-01), Pollak et al.

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