Wind turbine rotor blade having an electrical heating arrangement and method of making the same
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United States of America Patent
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Nov 1, 2016
Grant Date -
Jul 4, 2013
app pub date -
Dec 4, 2012
filing date -
Dec 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A wind turbine rotor blade is assembled from a first and a second rotor blade half shell made of a fiber-reinforced plastics material. An electrical heating arrangement includes a first heating element connected to the first rotor blade half shell and having a blade root end and a blade tip end and a second heating element connected to the second rotor blade half shell also having a blade root end and a blade tip end. The heating arrangement also includes a third heating element connected to the rotor blade half shells and having a blade root end and a blade tip end. The blade tip ends of the first, second and third heating elements are mutually electrically connected. The blade root ends of the first, second and third heating elements are connected to respective electrical connecting lines.
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