Pump impeller

Details Pump impeller Pump impeller

1980-07-18

1982-10-26

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with mounting means

415143, 416183, F04D 2966, F04D 104

Patent

active

043559549

ABSTRACT:
A bidirectional pump is provided which includes a pair of impellers each operable for pumping liquid in one direction of operation. One of the impellers has modified vane structure for reducing turbulent liquid flow conditions when rotated in a reverse direction in a volute pump cavity. The modified vane structure reduces noise emission characteristics of the impeller when operated in a pump cavity substantially depleted of liquid.

REFERENCES:
patent: 2393127 (1946-01-01), Summers
patent: 2902941 (1959-09-01), Kiba
patent: 3228344 (1966-01-01), Cooper
patent: 3364860 (1968-01-01), Schmitt-Matzen
patent: 3398866 (1968-08-01), La Flame et al.
patent: 3481531 (1969-12-01), MacArthur et al.
patent: 3782851 (1974-01-01), Hackbarth et al.
patent: 3953146 (1976-04-01), Sowards
patent: 3953150 (1976-04-01), Onal

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