Apparatus for regulating the passage and flow-rate of a liquid

Details Apparatus for regulating the passage and flow-rate of a liquid Apparatus for regulating the passage and flow-rate of a liquid

1978-01-04

1979-12-04

Gluck, Richard E.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

417426, 417428, F04B 2304, F04B 4106

Patent

active

041770188

ABSTRACT:
A symmetrical, twin centrifugal pump includes a pair of valves mounted about a common shaft. The valves are capable of independent operation thus allowing either or both of the pump elements to operate. A key is also mounted to the shaft to allow overall regulation of the pump by selectively impeding the flow of liquid from the pump inlet to pump outlet.

REFERENCES:
patent: 2810345 (1957-10-01), Englesson

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