Wind turbine generator with a lifting device
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United States of America Patent
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May 5, 2015
Issued Date -
N/A
app pub date -
Dec 12, 2011
filing date -
Feb 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A more efficient and simple wind turbine generator with a lifting device and method of using the lifting device is disclosed. A wind turbine generator comprises a tower, a nacelle supported by the tower, the nacelle comprising a foundation supporting components of the nacelle, a yawing system comprising a yaw bearing enabling rotation of the nacelle relative to the tower, a lifting device internally in the wind turbine generator and capable of moving an item, a support supporting the lifting device, and wherein the lifting device is moveable in a horizontal direction from a first position to a second position, and at least one of the positions is, in a vertical direction, between a lowermost level of the foundation, such as just above the yaw bearing, and an uppermost level of the tower, such as just below the yaw bearing.
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