Wind turbine, hydraulic system, air bleed system and method of controlling at least two wind turbine blades
US7658594B2 · kind B2 · utility
9Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Feb 9, 2010 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P80/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a wind turbine having rotating means including at least two wind turbine blades which are turnable around the longitudinal axis of said blades, and a wind turbine hub connecting said at least two wind turbine blades with at least one shaft. Further, the wind turbine includes hydraulic means for actuating said at least two wind turbine blades, said hydraulic means being incorporated in said rotating means. The invention also relates to a hydraulic system, an air bleed system and a method of controlling at least two wind turbine blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.