Hollow airfoil with composite cover and foam filler
US9453418B2 · kind B2 · utility
6Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2012 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Jun 3, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1376
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hollow article includes a metallic hollow article formed from a having a first major surface, an internal cavity with an opening in the first major surface, and a socket around the opening; a cover of composite material received in the socket and covering the opening; and a filler material of foam in the internal cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.