Wind turbine blade and manufacturing method thereof
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United States of America Patent
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Feb 28, 2017
Grant Date -
Aug 21, 2014
app pub date -
Dec 30, 2013
filing date -
Feb 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A manufacturing method of a wind turbine generator includes a cutting step of cutting a base blade at m cutting planes into (m+1) sections where m is an even number, the m cutting planes being at different positions in a blade length direction; and joining step of joining (m/2+1) sections of the (m+1) sections together to obtain a wind turbine blade which is shorter than the base blade, the (m/2+1) sections including a blade-root section which is closest to a blade root and a blade-tip section which is closest to a blade tip, the blade-root and blade-tip sections being non-adjacent to each other.
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