Wind turbine rotor blade with acoustic lining
US7959412B2 · kind B2 · utility
6Cited by
11References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 2006 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Apr 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/74
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotor blade for a wind turbine is provided, the rotor blade comprising an acoustically porous surface layer at least partially covering at least one surface of the rotor blade, at least one reactive acoustic element located below said acoustically porous surface layer, and a resistive acoustic layer located between said acoustically porous surface layer and said at least one reactive acoustic element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.