Protecting tube deterioration detecting apparatus and method therefor
US9897491B2 · kind B2 · utility
0Cited by
4References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 7, 2013 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Sep 28, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.