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Wind turbine rotor blade

  • US 10,451,031 B2
  • Filed: 06/17/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 06/17/2016
  • Status: Active Grant
First Claim
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1. A wind turbine rotor blade comprising:

  • a plurality of exterior surfaces defining a blade body having a pressure side, a suction side, a leading edge and a trailing edge, the blade body extending between a blade tip and a blade root, the rotor blade defining a span and a chord, andthe blade body including a breakaway tip portion and a predetermined breaking point, the predetermined breaking point defined by a banding of material having a reduced strength margin from that of a material forming a remainder of the blade body,wherein the breakaway tip portion is configured to break away at the predetermined breaking point upon deflection of the blade body resulting in an impact of the breakaway tip portion with a tower.

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