Wind blade spar cap and method of making
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United States of America Patent
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May 27, 2008
Grant Date -
Aug 16, 2007
app pub date -
Sep 18, 2006
filing date -
Feb 24, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wind blade spar cap for strengthening a wind blade including an integral, unitary three-dimensional woven material having a first end and a second end, corresponding to a root end of the blade and a tip end of the blade, wherein the material tapers in width from the first to the second end while maintaining a constant thickness and decreasing weight therebetween, the cap being capable of being affixed to the blade for providing increased strength with controlled variation in weight from the root end to the tip end based upon the tapered width of the material thereof. The present inventions also include the method of making the wind blade spar cap and a wind blade including the wind blade spar cap.
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