Rotor blade for a wind turbine having a variable dimension

Details Rotor blade for a wind turbine having a variable dimension Rotor blade for a wind turbine having a variable dimension

2007-03-27

2010-11-09

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S024000, C416S037000, C416S061000, C416S066000, C416S13200B

Reexamination Certificate

active

07828523

ABSTRACT:
A rotor blade1includes a main blade section10, and an extension flap20. The extension flap20is moveable relative to the main blade section10. At least the main blade section10and the extension flap20form an airfoil lifting surface of the blade. A dimension of the airfoil lifting surface is variable by moving the extension flap20relative to the main blade section10.

REFERENCES:
patent: 2135887 (1938-11-01), Fairey
patent: 3814351 (1974-06-01), Bielawa
patent: 4180372 (1979-12-01), Lippert, Jr.
patent: 4563970 (1986-01-01), Walker
patent: 4710101 (1987-12-01), Jamieson
patent: 6139268 (2000-10-01), Murawski et al.
patent: 6902370 (2005-06-01), Dawson et al.
patent: 6984110 (2006-01-01), Jang
patent: 2006/0033338 (2006-02-01), Wilson

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