Control device for batch metering system

Details Control device for batch metering system Control device for batch metering system

1978-05-30

1980-04-29

Rolla, Joseph J.

Dispensing

Cutoff operated by selectively preset volume or rate of...

222 20, B67D 508

Patent

active

042002036

ABSTRACT:
A storage circuit receives signals representative of voltage pulse trains. A generator of voltage pulse trains feeds a predetermined number of voltage pulses into the first circuit for storage. The first circuit generates a signal to stop the generation of the first pulse train. A second train of pulses is generated by the flow of fluid to make up a batch of the fluid. The first circuit is arranged to generate a signal to a control valve for the fluid supply when the circuit has received a number of pulses in a train which equals the total required for a batch minus the predetermined number of voltage pulses manually established in storage. The circuit then establishes a second signal to the control valve when the second train of pulses equals the total number of pulses for each batch.

REFERENCES:
patent: 3386620 (1968-06-01), Smith
patent: 3627175 (1971-12-01), Hisada et al.
patent: 3651989 (1972-03-01), Westrich
patent: 3777935 (1973-12-01), Storey
patent: 4105138 (1978-08-01), Lehmann et al.

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