Infrared detection of defects in wind turbine blades
US9004753B1 · kind B1 · utility
12Cited by
4References
44Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 3, 2011 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Oct 3, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2005/0077
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and an apparatus for detecting defects in the composite materials of a wind turbine blade or similar type of structure using an infrared (IR) camera. The temperature of the wind turbine blade is changed in such a way as to produce IR intensity changes in the region of the defect that can be visually detected or detected using a computer and signal processing algorithms. The same approach will work on other composite structures such as those found on aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.