Means and method of sensing temperature

Details Means and method of sensing temperature Means and method of sensing temperature

1981-08-03

1982-12-07

Stephan, Steven L.

Thermal measuring and testing

Leak or flaw detection

73295, G01F 2324

Patent

active

043624030

ABSTRACT:
Leaks are detected in liquid storage reservoirs by detecting any change in the level of liquid in the reservoir while monitoring the temperature of the liquid. The improvement of the present invention involves positioning a series of thermistors at strategic locations in the liquid and using an extremely sensitive, digital readout omhmeter to individually detect the resistance characteristics of each thermistor.

REFERENCES:
patent: 2211606 (1940-08-01), Pratt
patent: 2279043 (1942-04-01), Harrington
patent: 2702476 (1955-02-01), De Boisblanc
patent: 2753713 (1956-07-01), Mabey
patent: 3111031 (1963-11-01), Kuritza
patent: 3145567 (1964-08-01), Bobrowsky
patent: 3279252 (1966-10-01), Barlow
patent: 4065967 (1978-01-01), Beeston

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