Fluid level detector and probe assembly

Details Fluid level detector and probe assembly Fluid level detector and probe assembly

1975-10-14

1977-07-26

Caldwell, John W.

Communications: electrical

Systems

Call station

73293, 250227, 340380, 350 96B, G08B 2100, G02B 516

Patent

active

040386503

ABSTRACT:
A device for gauging level of a liquid within a container employing an elongated fibrous optic assembly which is connected at one end to a probe which is mounted within the container and at the other end to an electrical control device, the end of the fibrous optic assembly located within the probe being connected to a reflecting prism which functions to reflect light when not in contact with the liquid and does not reflect light when in contact with liquid, means located within the control device responsive to the reflection of light, said means being connected to an annunciator.

REFERENCES:
patent: 3276004 (1966-09-01), Mayo, Jr.
patent: 3384885 (1968-05-01), Forbush
patent: 3818470 (1974-06-01), Hirsbrunner et al.
patent: 3882887 (1975-05-01), Rekai
patent: 3892305 (1975-07-01), Higgins

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