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UPWIND WIND TURBINE

  • US 20170022973A1
  • Filed: 05/01/2014
  • Published: 01/26/2017
  • Est. Priority Date: 05/01/2014
  • Status: Active Grant
First Claim
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1. An upwind wind turbine comprising:

  • a hub provided so as to be rotatable around a rotation axis;

    a plurality of blades configured to rotate together with the hub;

    a tilting mechanism configured to couple the hub and the blades such that the blades are tiltable relative to a rotational plane around the rotation axis;

    a driving device configured to drive the tilting mechanism to switch between a standing state where the blades stand and a tilted state where the blades are tilted; and

    a fixing/supporting mechanism provided independently from the tilting mechanism and the driving device and configured to be switched between a locked state where the blades in the standing state are prevented from tilting and an unlocked state where the blades are allowed to tilt to become the tilted state.

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