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    U.S. Patent and Trademark Office Awards Patent for Insulation of a Heating Mat of a Wind Turbine Blade

    January 19, 2023 - Textile Patent News


      Alexandria, Jan. 18 -- U.S. Patent and Trademark Office has awarded Siemens Gamesa Renewable Energy a patent for insulation of a heating mat of a wind turbine blade. Cao Van Truong Yannick and Bak Grishauge Nikolai developed the invention.

      The patent application number is US201816615888 20180313. The patent publication number is US11542920 (B2). International Patent Classification codes are F03D1/06, F03D80/30, F03D80/40, H05B3/14 and H05B3/18. Cooperative Patent Classification codes are F03D1/0675 (EP, US), F03D80/00 (EP), F03D80/30 (EP, US), F03D80/40 (EP, US), H05B3/145 (US), H05B3/18 (US), F05B2240/2211 (US), F05B2280/2006 (US) and Y02E10/72 (EP).

      The abstract released by the U.S. Patent and Trademark Office states, "Provided is a rotor blade of a wind turbine including a leading edge section with a leading edge and a trailing edge section with a trailing edge, wherein the leading edge and the trailing edge divide the surface of the rotor blade into a suction side and a pressure side. The rotor blade further includes a blade shell for defining the outer shape of the rotor blade and a heating mat for anti-icing and/or deicing purposes which is arranged upon the blade shell. In the outboard region of the rotor blade, the heating mat is substantially or completely covered by a protective shield made of an electrically insulating polymer material. Use of a protective shield made of electrically insulating polymer material for electrical insulation of a heating mat in particular, against lightning strikes is also provided."


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