Centrifugal pump with inducer

Details Centrifugal pump with inducer Centrifugal pump with inducer

1975-08-08

1977-04-26

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Plural runners having different type flow paths

415DIG1, F04D 100

Patent

active

040198294

ABSTRACT:
A centrifugal pump wherein the inducer in front of the impeller is a propeller and has a hub whose rear end face, which is immediately adjacent to the front end portion of the impeller, has a circumferential groove. When the pump is in operation, especially in the partial load range, the customary turbulence develops in the groove so that it does not interfere with the flow of fluid from the intake into the impeller. This reduces the tendency of fluid to pulsate with attendant reduction of noise.

REFERENCES:
patent: 1125118 (1915-01-01), Kerr
patent: 1851513 (1932-03-01), Holmstrum
patent: 2013079 (1935-09-01), Slocum
patent: 2737897 (1956-03-01), Dewees
patent: 2807932 (1957-10-01), Bodine, Jr.
patent: 2973716 (1961-03-01), Thomas
patent: 3384022 (1968-05-01), Oshima
patent: 3494291 (1970-02-01), Carter, Jr.
patent: 3508842 (1970-04-01), Lievens

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