Control circuit for automatically monitoring, dispensing, and fi

Details Control circuit for automatically monitoring, dispensing, and fi Control circuit for automatically monitoring, dispensing, and fi

1978-04-04

1980-02-05

Spar, Robert J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Plural

222 39, 222 56, 222 66, 340620, 361178, 137392, B67D 508, B67D 532, G08B 2100

Patent

active

041868498

ABSTRACT:
An automatic control circuit is provided for diluting a chemical concentrate in a container by the proper proportion, dispensing the mixture, indicating that the container is empty, and repeating the process. The container has a plurality of conductive probes which extend to different depths within the container. A pair of relays having contacts which control drain and fill solenoid valves in the container are controlled by the probes, depending on the level of the liquid in the container. Both visual and audible alarms are provided to indicate when the tank is empty and needs concentrate to be added thereto.

REFERENCES:
patent: 2502578 (1950-04-01), McDaniel
patent: 3300690 (1967-01-01), Taraba
patent: 3437108 (1969-04-01), Sorensen
patent: 3580158 (1971-05-01), Scholle et al.

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