Centrifugal pumping apparatus

Details Centrifugal pumping apparatus Centrifugal pumping apparatus

1990-09-07

1992-05-26

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including means for handling portion separated from working...

415143, F01D 2532

Patent

active

051161982

ABSTRACT:
A centrifugal pump for pumping gas containing fiber suspensions includes a centrifugal pumping chamber (54); a centrifugal impeller (60) rotatably mounted within the pumping chamber (54); a liquid ring vacuum pump with a vacuum pump chamber (76) adjacent the centrifugal pumping chamber which includes a radially vaned vacuum pump rotor (96) mounted for rotation therein; an intermediate wall (72) separating the centrifugal pumping chamber from the liquid ring vacuum pump; and a gas inlet (94) and gas outlet (80) within the intermediate wall on the same side of the liquid-ring pump.

REFERENCES:
patent: 4256436 (1981-03-01), Fandrey et al.
patent: 4637779 (1987-01-01), Sherman et al.
patent: 4776758 (1988-10-01), Gullichsen
patent: 4826398 (1989-05-01), Gullichsen
patent: 4877368 (1989-10-01), Timperi et al.
patent: 4921400 (1990-05-01), Niskanen

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