Automatic control systems for a well pump installation

Details Automatic control systems for a well pump installation Automatic control systems for a well pump installation

1976-12-30

1978-11-07

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 44, F04B 4902

Patent

active

041243315

ABSTRACT:
For a well pump installation, automatic control of the starting and stopping of the pump motor relies upon a simultaneous detection of the suction and delivery heads so that a single switch may perform the functions of both delivery pressure control and dry cutting-off.

REFERENCES:
patent: 1294497 (1919-02-01), Lovekin
patent: 1560044 (1925-11-01), Derrick
patent: 2765743 (1956-10-01), Hollinshead
patent: 2856481 (1958-10-01), Ernst
patent: 2922002 (1960-01-01), Gilman
patent: 3119552 (1964-01-01), Thomann
patent: 3794789 (1974-02-01), Bynum
patent: 3858014 (1974-12-01), Hughes
patent: 3989911 (1976-11-01), Perry

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