Protecting tube deterioration detecting apparatus and method therefor

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United States of America Patent

PATENT NO 9897491
SERIAL NO

14428809

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Abstract

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A protecting tube deterioration detecting apparatus applies a predetermined electric current to a measurement target thermocouple with protecting tube for a predetermined time, calculates a temperature rise amount of the thermocouple, and determines, when the calculated temperature rise amount exceeds a predetermined threshold, that the protecting tube is deteriorated.

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Patent Owner(s)

  • KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.);KOBE STEEL, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukui, Toshihide Kobe, JP 7 14
Manabe, Chitaka Kobe, JP 22 113
Takahashi, Eiji Kobe, JP 265 2535
Tanaka, Yusuke Takasago, JP 377 2550
Yamane, Yasuaki Takasago, JP 21 165

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