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Title:
METHODS FOR MANUFACTURING WIND TURBINE ROTOR BLADE PANELS HAVING PRINTED GRID STRUCTURES
Document Type and Number:
WIPO Patent Application WO/2019/103829
Kind Code:
A3
Abstract:
A method for manufacturing a rotor blade panel of a wind turbine includes placing a mold of the rotor blade panel relative to a computer numeric control (CNC) device. The method also includes forming one or more fiber-reinforced outer skins in the mold. The method also includes printing and depositing, via the CNC device, printing and depositing, via the CNC device, a plurality of rib members that intersect to form at least one three-dimensional (3-D) reinforcement grid structure onto an inner surface of the one or more fiber-reinforced outer skins before the one or more fiber-reinforced outer skins have cooled from forming. Further, the grid structure bonds to the fiber-reinforced outer skin(s) as the structure is deposited. In addition, the plurality of rib members include, at least, a first rib member extending in a first direction and a second rib member extending in a different, second direction. Moreover, the first rib member has a varying height along a length thereof.

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Inventors:
TOBIN JAMES (US)
MERZHAEUSER THOMAS (DE)
ANDERSON TODD (US)
Application Number:
PCT/US2018/059182
Publication Date:
July 18, 2019
Filing Date:
November 05, 2018
Export Citation:
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Assignee:
GEN ELECTRIC (US)
International Classes:
B29C70/54; F03D1/06
Foreign References:
US20170204833A12017-07-20
US20170252966A12017-09-07
US20100121475A12010-05-13
CN107187020A2017-09-22
US6630093B12003-10-07
Other References:
See also references of EP 3713752A4
Attorney, Agent or Firm:
BONDURA, Stephen, E. et al. (US)
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