Vaneless multistage pump

Details Vaneless multistage pump Vaneless multistage pump

1980-02-01

1981-12-29

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415206, F04D 2944

Patent

active

043079954

ABSTRACT:
A multistage, vaneless centrifugal pump having an input stage, an output stage, and a plurality of intermediate stages with each of said intermediate stages comprising a divider plate serving to separate successive stages, and a center plate having a recess formed in the rear surface of said center plate serving as a vaneless radial diffuser and having a recess formed in the front surface of said center plate serving to receive fluid from a preceding stage and to guide said fluid in a helically converging path to be delivered to the input of an impeller.

REFERENCES:
patent: 773953 (1904-11-01), Maginot
patent: 1917029 (1933-07-01), Good
patent: 3756738 (1973-09-01), Lee
patent: 4025225 (1977-05-01), Durant

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