Pump suction vacuum lift vortex control

Details Pump suction vacuum lift vortex control Pump suction vacuum lift vortex control

1982-09-29

1986-03-18

Chambers, A. Michael

Fluid handling

Systems

With pump

137 1, 137573, 137574, 137576, 137592, 417 38, 417 60, E03B 1100

Patent

active

045761973

ABSTRACT:
The invention involves positioning the working end of a vertical pump below the surface elevation of the fluid, enclosing a space around the pump with a structure extending below the surface and having a submerged opening to the main reservoir, and drawing a vacuum in the enclosed space in order to raise the surface elevation in the enclosed chamber in order to maintain a minimum working depth for the vertical pump that will prevent air entrainment by vortexing during periods of low fluid levels outside the chamber.

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patent: 3342135 (1967-04-01), Schnabel, Jr.
patent: 3476038 (1969-11-01), Dicmas
patent: 4232998 (1980-11-01), Osgood
Allis-Chalmers Engineering Review, vol. 40, No. 1, 1975, Selected pages.
Cameron Hydraulic Data, Sixteenth Ed., 2nd Printing, Ingersoll-Rand.
Hydraulic Institute Standards, Thirteenth Ed., Selected pages.
Pump Handbook, by Karassik et al, McGraw-Hill Book Co., Selected pages.

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