Control device for controlling the level of a liquid in a contai

Details Control device for controlling the level of a liquid in a contai Control device for controlling the level of a liquid in a contai

1976-02-02

1978-07-11

Freeh, William L.

Printing

Stenciling

Rotary machines

101122, B41L 1300, B41L 1304

Patent

active

040994619

ABSTRACT:
A control device for controlling the level of a liquid in a container, a tank, a printing machine, or the like, which includes an elongated member in form of a tube or a cable, having a free end adjacent the desired maximum liquid level in the container and being adapted to feed a control medium, i.e., a gas, electric current, or light therethrough, which acts on a signalling device, or control means of a pump for feeding liquid in the container and which are actuated when the liquid reaches the free end of the elongated member. The elongated member being adjustably mounted for adjusting the position of the free end thereof in vertical direction.

REFERENCES:
patent: 2956581 (1960-10-01), Pearson
patent: 3362334 (1968-01-01), Ramsay
patent: 3408984 (1968-11-01), Pullins
patent: 3592132 (1971-07-01), Weber
patent: 3779161 (1973-12-01), Tatebe

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