Temperature sensing device

Details Temperature sensing device Temperature sensing device

1977-09-28

1979-12-25

Swisher, S. Clement

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73339R, 73356, G01K 1114, G01K 1118

Patent

active

041799275

ABSTRACT:
A device for sensing temperature changes at an object, specifically within a transformer or the like, is disclosed herein. This device utilizes an electrically non-conductive sensor including a temperature responsive substance having the characteristic of changing in optical density with changes in temperature. In order to detect changes and/or to actually monitor the temperature the device provides means for detecting and/or monitoring the optical density of the temperature responsive means, thereby indicating the temperature at the object.

REFERENCES:
patent: 3513704 (1970-05-01), Hatcher
patent: 3591810 (1971-07-01), Jackson
patent: 3672221 (1972-06-01), Weil
patent: 3770965 (1973-11-01), Edwards
patent: 3863067 (1975-01-01), Gooley
patent: 3960017 (1976-06-01), Romanowski

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