Sectional blade
US9765756B2 · kind B2 · utility
7Cited by
17References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 2009 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Sep 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49336
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention provides a sectional blade for a wind turbine. The blade comprises at least a first blade portion and a second blade portion extending in opposite directions from a joint. Further each blade portion comprises a spar section forming a structural member of the blade and running lengthways. The first blade portion and the second blade portion are structurally connected by at least one spar bridge extending into both blade portions to facilitate joining of said blade portions and the spar bridge joins the spar sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.