Apparatus and method for non-destructive detection of fan blade electrical isolation
US10345799B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2017 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Dec 6, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for detecting a short in a blade of a gas turbine engine, the apparatus including: a first plate configured to form a first capacitor with the protective sheath when the apparatus is located proximate to the blade; a second plate configured to form another capacitor with a portion of the airfoil when the apparatus is located proximate to the blade; and a voltage source electrically connected to the first plate and the second plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.