Method and system for precise discharge determination

Details Method and system for precise discharge determination Method and system for precise discharge determination

1997-02-24

1999-03-09

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

With signals, indicators, recorders, meters or changeable...

239104, B05B 1200

Patent

active

058789570

ABSTRACT:
A method of controlling an amount of a material discharged via a discharge nozzle from a container containing the material by applying a high pressure gas via a gas line system to an inside of the container. A reference pressure is detected which is of a gas confined in a restricted space having a predetermined volume in the gas line system. A high pressure is detected which is of a gas applied to the inside of the container. A residual amount of the material in the container is measured based upon the reference pressure and the high pressure. Both an optimum pressure level of the high pressure gas and an optimum pressure-applying time, during which the high pressure gas is applied to the inside of the container, are computed with reference to the residual amount of the material in the container so as to adjust both the high pressure and the pressure-applying time to an optimum pressure level and an optimum pressure-applying time thereby keeping a constant discharge amount of the material through the discharge nozzle.

REFERENCES:
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patent: 4833748 (1989-05-01), Zimmer et al.
patent: 4848657 (1989-07-01), Hashimoto et al.
patent: 4874444 (1989-10-01), Satou et al.
patent: 5277333 (1994-01-01), Shimano
patent: 5312016 (1994-05-01), Brennan et al.
patent: 5568882 (1996-10-01), Takacs

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