Wind turbine and wind turbine blade
US8915714B2 · kind B2 · utility
1Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2012 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Sep 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/914
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A partial pitch wind turbine is described wherein the wind turbine blade has an inner blade section designed for stall-controlled operation and an outer blade section designed for pitch-controlled operation. The different blade profiles for the different sections allow for the efficient operation of the blade while providing for the control of the wind turbine to effectively reduce blade root moments. The outer blade sections can be pitched out of the wind to reduce root moments due to the outer blade sections, while the increasing power capture of the inner blade section maintains nominal power output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.