Pumping plant fly wheel hydraulic surge protector

Details Pumping plant fly wheel hydraulic surge protector Pumping plant fly wheel hydraulic surge protector

1978-04-18

1979-10-30

Gluck, Richard E.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417374, 417411, 417540, F04B 1700, F04B 4906

Patent

active

041726928

ABSTRACT:
Hydraulic surge protection is provided in a pumping plant by providing a synchronous motor/generator connected across the electrical power bus lines used to energize the motor operated pumps for pumping liquid through a pipeline. A fly wheel is provided on the synchronous motor/generator having an inertia to maintain the motor/generator operating in the event of an electrical power failure between the bus lines and source of electrical energy to generate and feed current to the pump drive motors through the bus lines to maintain pumping operation thereof. This pumping operation is maintained a sufficient length of time to minimize separation of the liquid column being pumped in the pipeline to an extent that damaging water hammer is prevented.

REFERENCES:
patent: 2725825 (1955-12-01), Cibattari
patent: 3556678 (1971-01-01), Oishi et al.

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