Control system for controlling a supply of fluid to an integral

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

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222642, 222333, 364479, 377 21, B67D 530

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045724059

ABSTRACT:
A control system for controlling a supply of fluid to an integral quantity, and automatically and precisely supplying an integral quantity of fluid. When an operation is performed so as to stop the supply of fluid at the point when the quantity of supplied fluid reaches the integral quantity, the driving of a pump is once interrupted. Thereafter, the pump is repeatedly driven in terms of minute time periods, so that the fluid supplying operation is stopped at the point when the quantity of fluid which is finally supplied is equal to the integral quantity which is closest to a quantity of supplied fluid at the point when the driving of the pump was once interrupted.

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patent: 3907165 (1975-09-01), Carbone
patent: 4222448 (1980-09-01), Sunkle et al.
patent: 4254328 (1981-03-01), Murray et al.
patent: 4354620 (1982-10-01), Tsuneda et al.
patent: 4360127 (1982-11-01), Maruyama et al.
patent: 4442953 (1984-04-01), Miyamoto et al.

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