Heater element as sensor for temperature control in transient systems

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United States of America Patent

PATENT NO 10934921
APP PUB NO 20170359857A1
SERIAL NO

15447964

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Abstract

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A method of predicting the temperature of a resistive heating element in a heating system is provided. The method includes obtaining resistance characteristics of resistive heating elements and compensating for variations in the resistance characteristics over a temperature regime. The resistance characteristics of the resistive heating element include, but are not limited to, inaccuracies in resistance measurements due to strain-induced resistance variations, variations in resistance due to the rate of cooling, shifts in power output due to exposure to temperature, resistance to temperature relationships, non-monotonic resistance to temperature relationships, system measurement errors, and combinations of resistance characteristics. The method includes interpreting and calibrating resistance characteristics based on a priori measurements and in situ measurements.

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Patent Owner(s)

Patent OwnerAddress
WATLOW ELECTRIC MANUFACTURING COMPANY12001 LACKLAND ROAD ST LOUIS MO 63146

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Culbertson, David P Bristol, US 35 818
Everly, Mark D St. Charles, US 25 53
Hoven, Mark L G Winona, US 4 8
Ohse, Jeremy St. Louis, US 31 84
Pradun, James Lake Geneva, US 5 38
Quandt, Jeremy J Winona, US 10 15
Rohde, John Winona, US 19 132
Wadewitz, Bret Winona, US 5 8
Zhang, Sanhong Ballwin, US 36 107

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