Wind turbine blade
US8083491B2 · kind B2 · utility
7Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2009 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Apr 15, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A wind turbine blade (11) having an aerodynamic profile with a leading edge (13), a trailing edge (15) and suction and pressure sides (17, 19) between the leading edge (13) and the trailing edge (15), wherein the pressure side (19) includes a modified zone (31) shaped for reducing the negative lift coefficient which is done whether attaching a device (33) such as a stall strip to the blade (11) or attaching or inserting into the blade (11) a deformable device and actuator means for providing the shape and size changes in it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.