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Multi-piece wind turbine rotor blades and wind turbines incorporating same

United States Patent

June 3, 2008
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A multisection blade for a wind turbine includes a hub extender having a pitch bearing at one end, a skirt or fairing having a hole therethrough and configured to mount over the hub extender, and an outboard section configured to couple to the pitch bearing.
Moroz; Emilian Mieczyslaw (San Diego, CA)
General Electric Company (Schenectady, NY)
10/ 955,452
September 30, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT The U.S. Government has certain rights in this invention as provided for by the terms of Contract No. NREL-ZAM-4-31235-05, DE-AC36-99G010337 awarded by the Department of Energy, National Renewable Energy Laboratory Division.