Wind turbine apparatus
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United States of America Patent
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Jul 25, 2017
Grant Date -
Oct 30, 2014
app pub date -
Apr 23, 2014
filing date -
Apr 30, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A wind turbine shaft includes tubes that are centered on a longitudinal axis, coupled to rotate together about the axis, and movable telescopically along the axis between a retracted condition and an extended condition. A mounting structure is configured to mount wind turbine vanes on the tubular structure when the tubes are in the extended condition. A generator has a pair of parts including a rotor and a stator, and is configured for coupling with the tubular structure for one of the parts to rotate about the axis with the tubular structure while the other part is stationary.
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