Measuring and testing – Volume or rate of flow – Thermal type
Patent
1988-07-15
1990-06-12
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Thermal type
7386195, 73643, 374 32, G01F 168
Patent
active
049322508
ABSTRACT:
The invention provides a thermocouple device comprising a base wire 1 and a plurality of junctions 3 spaced along said wire, each of said junctions being connected to a monitoring means which provides a visual indication of the temperature at each junction 3. A heating coil 2 or energy absorbative material may be disposed along the length of the base wire 1 to assist in detection of liquid flow, ultrasonic flux or bubble presence.
REFERENCES:
patent: 2540822 (1951-02-01), Hastings
patent: 2924974 (1960-02-01), Dalglish
patent: 3030806 (1962-04-01), Davis
patent: 3336804 (1967-08-01), Poppendiek et al.
patent: 3592055 (1971-07-01), Dorman
patent: 3738168 (1973-06-01), Mansell
patent: 4241303 (1980-12-01), Thompson
patent: 4242907 (1981-01-01), Kasmierowicz
Assaf Farouk A.
Robertson Leslie
Watmough David J.
Aberdeen University
Goldstein Herbert
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