Fluid flow and level detector

Details Fluid flow and level detector Fluid flow and level detector

1985-11-04

1987-09-15

Laroche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250577, 73293, 7386113, G01F 158

Patent

active

046941614

ABSTRACT:
The invention is directed to the use of magnets and fiber optics for detecting fluid flow and fluid levels. In general, the invention employs a permanent magnet movable by fluid flow or by the change of fluid levels which directly influences the degree of light transmission between a light transmitting fiber optic cable and a light receiving fiber optic cable. The light can be varied discreetly by shutter means or linearly varied by light reflection determined by distance or by varying the degree of reflection from a reflective surface. The received light information can be used for detectors, indicators, controls or the like.

REFERENCES:
patent: 2687646 (1954-08-01), Goddard

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