Closed loop pump control system

Details Closed loop pump control system Closed loop pump control system

1987-05-15

1989-04-18

Hepperle, Stephen

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

73239, 137 99, 417 6, G05D 1113

Patent

active

048217611

ABSTRACT:
A system for controlling the output flow rate of a second pump to proportionately track the output flow rate of a first pump in which the first pump produces an electrical signal at each successive stroke thereof. An electrical circuit produces an electrical control signal from the first pump stroke signal for controlling the flow rate of the second pump.

REFERENCES:
patent: 2772664 (1956-12-01), Jones et al.
patent: 2914219 (1959-11-01), Chiantelassa
patent: 3610782 (1971-10-01), McGuire
patent: 3966358 (1976-06-01), Heimes et al.
patent: 4076458 (1978-02-01), Jones
patent: 4119113 (1978-10-01), Meginniss
patent: 4176672 (1979-12-01), Borberg
patent: 4306457 (1981-12-01), Fukui et al.
patent: 4581946 (1986-04-01), Kanayama

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