Measuring temperature in stationary components of electrical machines using fiber optics
US6886977B2 · kind B2 · utility
12Cited by
19References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2003 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Jul 27, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S388/934
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor measures temperature in stationary components of electrical machines using fiber optics. An optical fiber is embedded in a non-metallic ribbon. Notches are cut in the ribbon to effect bends that accommodate a shape of a stationary component. The ribbon and optical fiber are attached to the stationary component. A series of laser pulses can be injected from at least one end of the optical fiber, and the stationary component temperature can be monitored by interrogation of reflections from the series of laser pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.