| 发明名称 |
DEVICE AND METHOD FOR DETECTING DEGRADATION OF PROTECTIVE TUBE |
| 摘要 |
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. |
| 申请公布号 |
EP2921849(A1) |
申请公布日期 |
2015.09.23 |
| 申请号 |
EP20130855024 |
申请日期 |
2013.10.07 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
FUKUI, TOSHIHIDE;MANABE, CHITAKA;TAKAHASHI, EIJI;YAMANE, YASUAKI;TANAKA, YUSUKE |
| 分类号 |
G01N25/72;G01K1/08;G01K1/12;G01K7/02;G01K15/00 |
主分类号 |
G01N25/72 |
| 代理机构 |
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代理人 |
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| 主权项 |
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