Propeller blade with spar rib
US9410434B2 · kind B2 · utility
5Cited by
12References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Sep 10, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/74
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A propeller blade includes a foam core having a groove formed therein, a fibrous material filling at least a portion of the groove and a structural layer that surrounds the fibrous material and at least a portion of the foam core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.