Patent · US Active

Wind turbine blade

US8517682B2 · kind B2 · utility

11Cited by
13References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 30, 2008
Grant dateAug 27, 2013
Priority date
Expiry dateOct 13, 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 having a suction side and a pressure side, which sides are connected at a leading edge and a trailing edge, wherein one or more shape modifiable air foil sections are defined in the area of the trailing edge of the blade, and wherein said one or more shape modifiable air foil sections are attached to a blade body, each of the one or more modifiable air foil sections having an upper skin and a lower skin, a first one of the upper and lower skin being secured to the blade body, and a second one of the upper and lower skin being slidably movable with respect to the blade body, so that a force is applied to one of said skins cause said second skin to slide with respect to the blade body, so as to thereby modify the air foil shape of the trailing edge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.