Patent ID: 11873798
Assignee: SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY S.L.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 9:
10. A method for manufacturing a blade for a wind turbine according to claim 1, comprising:
depositing in a first mold layers or sheets of fabric which form a bottom shell of the blade, the at least one first radiant element in a leading-edge area of the first mold, and at least one connecting element in contact with a cavity of the first mold and with one electrical terminal of the at least one first radiant element, the at least one connecting element being configured to define a contacting surface in the bottom shell over the electrical terminal of the at least one first radiant element;
molding the bottom shell;
connecting a first electric terminal of the at least one first radiant element to a first power supply cable, a second electric terminal of the at least one first radiant element to a second power supply cable, and the at least one lightning down conductor to each power supply cable through the respective surge protection device;
depositing in a second mold a plurality of layers or sheets of fabric which will form an upper shell of the blade, including the at least one second radiant element in a leading edge area of the second mold, and the at least one connecting element in contact with a cavity of the second mold and with one electrical terminal of the at least one second radiant element, the at least one connecting element being configured to define a contacting surface in the upper shell over the electrical terminal of the at least one second radiant element;
molding the upper shell;
closing both molds against each other, the at least one connecting element of the first mold and the at least one connecting element of the second mold facing each other, and sealing both shells forming the blade;
demolding the blade from molds removing the connecting elements; and
fixing conducting means to contacting surfaces generated by removing the connecting elements so that the at least one second radiant element is supplied electrically only through the at least one first radiant element.