Patent
1976-12-27
1978-08-15
Envall, Jr., R. N.
C03B 502
Patent
active
041074467
ABSTRACT:
The temperature or temperature profile of an electrically conductive molten mass heated by electrodes immersed therein is measured during continuous operation by momentarily cutting off the electrical energy supplied to the heating electrodes, passing measuring currents through the molten mass via the heating electrodes during the momentary cut off, measuring the electrical resistance between pairs of heating electrodes in measuring paths defined by such electrodes and then calculating the temperature existing within the individual measuring paths on the basis of the measure resistance values.
REFERENCES:
patent: 3585267 (1971-06-01), Obersby
patent: 3636227 (1972-01-01), McQuaid
patent: 3984611 (1976-10-01), Varrasso
Envall, Jr. R. N.
Sorg GmbH & Co. KG
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