Method for forming tail fin of wind turbine
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United States of America Patent
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May 7, 2013
Grant Date -
Nov 3, 2011
app pub date -
Apr 28, 2010
filing date -
Apr 28, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method for forming a tail fin of wind turbine includes first pouring a proper amount of molten plastic into a mold having a cavity showing a contour of the tail fin and the mold is rotated to induce a centrifugal force that makes the plastic uniformly sticking to an inside surface of the cavity to form a tail fin that shows an aerodynamic feature of a one-piece hollow shell. The tail fin, when mounted to the wind turbine, realizes efficient and stable control of rotor blades at a front end of the nacelle in alignment with windward direction so as to improve the use of wind power and make the tail fin and the rotor blades in a weight balanced condition to thereby reduce the load applied to a yaw bearing located under the nacelle and extend the service life of the bearing.
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