Airfoil cover system
US9169731B2 · kind B2 · utility
5Cited by
16References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2012 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Aug 20, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49236
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An example airfoil for a gas turbine engine includes a body having a first surface extending from a first edge to a second edge and a cavity disposed in the body. A first cover is at least partially disposed within the cavity. The first cover includes a first portion cooperates with a corresponding second portion. A second cover covers the first cover and forms at least a portion of the first surface with the body. The first cover is disposed between the body and the second cover. The first cover and the second cover have a different coefficient of thermal expansion than the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.