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Preform spar cap for a wind turbine rotor blade

United States Patent

July 12, 2011
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A spar cap for a wind turbine rotor blade. The spar cap may include multiple preform components. The multiple preform components may be planar sheets having a swept shape with a first end and a second end. The multiple preform components may be joined by mating the first end of a first preform component to the second end of a next preform component, forming the spar cap.
Livingston; Jamie T. (Simpsonville, SC), Driver; Howard D. (Greer, SC), van Breugel; Sjef (Enschede, NL), Jenkins; Thomas B. (Cantonment, FL), Bakhuis; Jan Willem (Nijverdal, NL), Billen; Andrew J. (Daarlerveen, NL), Riahi; Amir (Pensacola, FL)
General Electric Company (Schenectady, NY)
11/ 627,490
January 26, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The federal government may have certain rights in this invention by virtue of the United States Department of Energy Contract No. DE-AC36-99-GO10337 and Contract No. ZAM43123505.