Level detector

Details Level detector Level detector

1980-12-29

1983-11-01

Anderson, Bruce C.

Radiant energy

Invisible radiant energy responsive electric signalling

Fluent material level signalling

378 52, G01F 2300

Patent

active

044131828

ABSTRACT:
The level of liquid or solid substances in a cylindrical chamber is detected using a radioactive source and detector mounted on a vertically movable member in horizontally spaced fixed relation to each other in a manner such that the source and detector measure across a horizontal sector of 90.degree. or more of the cylinder in which the level of the solid or liquid is to be measured. Vertical movement of the source and detector is accomplished through a drive means whose action is correlated with a recording chart on which is simultaneously plotted the amplitude of the signal produced by the detector.

REFERENCES:
patent: 2323128 (1943-06-01), Hare
patent: 2708721 (1955-05-01), Ziffer
patent: 2714167 (1955-07-01), Herzog

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