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公开(公告)号：US12060863B2
公开(公告)日：2024-08-13
申请号：US18225536
申请日：2023-07-24
发明人： Kunlun Tan , Yelin Liu , Gaoyu Bai , Qiuping Du , Lei Cao , Juncheng Chen
CPC分类号： F03D1/0682 , F03D1/0675 , F03D1/0684 , B29C65/48 , F03D1/069 , F05B2240/302
摘要： A chordwise segment connection structure for wind turbine blades includes: a blade body including a pressure side and a suction side; a leading edge shell and a trailing edge shell formed by the skin of the pressure side and the suction side along the chord length of the blade, the pressure side and the suction side being each provided with a spar cap; and a shear web provided in a cavity of the blade body and extending between the pressure side and the suction side to support the spar cap; wherein the spar caps on the pressure side and the suction side are bonded and fixed to a skin structure where the leading edge shell and the trailing edge shell are spliced, so that the leading edge shell and the trailing edge shell are spliced with the spar caps to form the profile of the wind turbine blade.
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公开(公告)号：US11939950B2
公开(公告)日：2024-03-26
申请号：US18225544
申请日：2023-07-24
发明人： Kunlun Tan , Yelin Liu , Lei Cao , Jian Zhang , Gaoyu Bai , Shuang Lin
CPC分类号： F03D1/0675 , B29C65/4825 , F03D1/0677 , F05B2230/23 , F05B2240/302
摘要： A modular blade connection structure includes a first module, a second module and a structural adhesive module. The first module is provided on an end face thereof with a bonding flange extending into the second module; a gap between the butting surfaces of the first module and the second module is injected with a structural adhesive, which is extruded and cured to form a structural adhesive module; and the thickness of the first module at the starting end of the bonding flange extends towards the inner surface to form a first reinforcement, and the structural adhesive module extends inside the second module in a direction away from the bonding flange to form a second reinforcement. The present disclosure facilitates the control the bonding quality of the double-sided overlapping of the modular blade by means of the bonding flange and the improvement of the fatigue resistance at the assembling position.
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