Blade feathering system for wind turbines
US4462753A · kind A · utility
21Cited by
20References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1982 |
| Grant date | Jul 31, 1984 |
| Priority date | — |
| Expiry date | Jun 22, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.