Bi-directional pump

Details Bi-directional pump Bi-directional pump

1976-11-03

1980-05-27

Smith, Leonard E.

Pumps

Successive stages

417350, 415210, 310194, 310214, F04D 108, F01D 902, H02K 318, H02K 352

Patent

active

042048109

ABSTRACT:
A bi-directional pump having a pump housing, an inlet communicating with one end of the housing, an outlet communicating with the other end of the housing, an impeller within the housing adjacent the inlet, a baffle plate within the housing adjacent the outlet, a shaft extending through the inlet and journaled in the baffle plate, the impeller being secured to the shaft for rotation with the shaft, the impeller having vanes extending radially from the shaft both the impeller and the baffle plate and being spaced from the interior of the housing, whereby fluid flows through the inlet, radially outwardly of the impeller, radially inwardly of the baffle plate, and through the outlet. In a specific embodiment, a pump stage can be positioned on both sides of a motor, and the motor rotor and the impeller of each pump can be secured to the same shaft for rotation, the shaft being journaled in the baffle plates of the pump stages. In other specific embodiments, a plurality of pump stages can be positioned on either side of the motor or on both sides of the motor utilizing the same shaft for the motor rotor and the pump impellers.

REFERENCES:
patent: 1739000 (1929-12-01), Jorado, Jr.
patent: 1908627 (1933-05-01), Moran et al.
patent: 2121073 (1938-06-01), Bothezat
patent: 2485408 (1949-10-01), Pezzillo
patent: 2537310 (1951-01-01), Lapp
patent: 2709762 (1955-05-01), Naul
patent: 3304481 (1967-02-01), Saussele
patent: 3644767 (1972-02-01), Kasargod
patent: 3846682 (1974-11-01), Massie

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