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Rotatable aerodynamic surface features for wind turbine rotor blades

  • US 9,752,559 B2
  • Filed: 01/17/2014
  • Issued: 09/05/2017
  • Est. Priority Date: 01/17/2014
  • Status: Active Grant
First Claim
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1. A rotor blade assembly for a wind turbine, the rotor blade assembly comprising:

  • a body shell comprising a pressure side surface and a suction side surface extending between a leading edge and a trailing edge;

    at least one aerodynamic surface feature disposed adjacent to at least one of the pressure side surface or the suction side surface, the surface feature defining an internal volume; and

    ,an actuator completely enclosed within the internal volume, the actuator configured to rotate the surface feature relative to the body shell.

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