Resistive sensing thermal device for current measurement

Details Resistive sensing thermal device for current measurement Resistive sensing thermal device for current measurement

1984-02-15

1987-09-22

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Thermal

340664, 338 22R, G01R 526, G08B 2100, H01C 710

Patent

active

046957936

ABSTRACT:
A thermal transfer device for use in the measurement of alternating current comprising an evacuated enclosure containing a first electrical conductor heated by the alternating current being measured and a thermal sensor to provide an electrical signal representative of the temperature of the conductor, wherein the first electrical conductor is formed of a low temperature coefficient of resistivity material, and the thermal sensor is a second electrical conductor of a relatively high temperature coefficient of resistivity material thermally coupled with and encompassing most of the first electrical conductor.

REFERENCES:
patent: 1862014 (1932-06-01), Grondahl
patent: 2031480 (1936-02-01), Hamada
patent: 2178548 (1939-11-01), Black et al.
patent: 2413021 (1946-12-01), Wolfson et al.
patent: 2463805 (1949-03-01), Polye et al.
patent: 2496541 (1950-02-01), Johnson, Jr.
patent: 2545390 (1951-03-01), Spahn
patent: 2559394 (1951-07-01), Brady et al.
patent: 2736884 (1954-02-01), Yeomans

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