Centrifugal pumping system

Details Centrifugal pumping system Centrifugal pumping system

1973-11-14

1976-03-23

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

Serially spaced in working fluid flow path

417390, 60325, F04D 1304, F04D 1708

Patent

active

039457567

ABSTRACT:
Disclosed is a centrifugal pump having a housing, an input and an output port, and a driven impeller. Surrounding the impeller is a turbine means which serves to retrieve at least part of the kinetic energy imparted by the impeller to the pumping medium. The energy retrieved by the turbine means can be used to apply additional power to a prior auxiliary stage, an after auxiliary stage, or back to the original impeller itself. In this manner, the turbine retrieves kinetic energy which might otherwise be wasted and, therefore, the turbine improves the overall efficiency of the pump. Stationary flanges at the discharge end of the pump jacket serve to convert the remaining curvilinear motion of the water column into a non-revolving column of water. The stationary flanges also help to avoid a drop in the operating pressure at the discharge end of the jacket.

REFERENCES:
patent: 106348 (1870-08-01), Ericsson
patent: 557300 (1896-03-01), Barber
patent: 921118 (1909-05-01), Kasley
patent: 2321276 (1943-06-01), DeBolt

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