Liquid-vapor change of phase detector

Details Liquid-vapor change of phase detector Liquid-vapor change of phase detector

1988-08-17

1990-06-05

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340583, 340604, 250573, 250574, 250577, 73DIG11, 73 611R, 73 53, 356437, G08B 2100

Patent

active

049317741

ABSTRACT:
An apparatus for detecting a liquid-vapor change of phase in a fluid substance traveling through a conduit comprises a detector housing providing a path of travel for fluid and interposed in a portion of the fluid-carrying conduit in which the change of phase is to be detected, a source of radiation disposed for directing radiation into the path of travel and a detector for detecting radiation disposed generally at an opposite side of the path of travel from the said source. The arrangement is such that radiation from the source will pass through the fluid in the path of travel prior to reaching the detector. The detector is responsive to radiation detected thereat for producing a corresponding electrical signal. A detector circuit is responsive to the electrical signal produced by said detector for producing an output signal indicative of a liquid-vapor change of phase of the fluid in the conduit.

REFERENCES:
patent: 3544798 (1968-04-01), Topol
patent: 4212005 (1980-07-01), Hubert
patent: 4251809 (1981-02-01), Cheney
patent: 4631529 (1986-12-01), Zeitz
patent: 4816695 (1989-03-01), Lavin

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