Method and device for mounting of wind turbine blades
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United States of America Patent
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Jun 5, 2012
Grant Date -
Sep 11, 2008
app pub date -
Nov 19, 2007
filing date -
Nov 23, 2006
priority date (Note) -
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Abstract
A method for mounting a wind turbine blade to a wind turbine hub by use of a crane boom is provided. The orientation of the blade is kept substantially horizontal when the blade is lifted off the ground and mounted to the rotor hub. Control wires which connect the blade via the crane boom to a winch arrangement are used for keeping the blade orientation substantially horizontal in addition to at least one bearing wire for bearing the blade weight.
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