Pump control system

Details Pump control system Pump control system

1975-02-07

1976-08-17

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

417 44, F04B 4904

Patent

active

039751155

ABSTRACT:
A pump control system of the liquid level responsive type includes an air pump to pressurize a pressure responsive control unit in accordance with the level of water within a well, the system having an electrical control circuit including a switch which operates to turn off the air motor and turn on the water pump motor when the water level in the well reaches a certain high level and to turn off the pump motor and turn on the air motor when the water level reaches a certain low level in the well.

REFERENCES:
patent: 1987466 (1935-01-01), Collin
patent: 3393642 (1968-07-01), Kordik et al.
patent: 3775026 (1973-11-01), Hewlings

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