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    MANUFACTURING OF WIND TURBINE BLADE SPAR CAP
    4.
    发明公开
    MANUFACTURING OF WIND TURBINE BLADE SPAR CAP 审中-公开

    公开(公告)号：EP4212324A1

    公开(公告)日：2023-07-19

    申请号：EP22151821.0

    申请日：2022-01-17

    申请人： LM Wind Power A/S

    发明人： BAVILOLIAIE, Mahdi ,  RAZEGHI, Rama ,  KOEFOED, Michael ,  ALKEMADE, Harry ,  KHARATE, Manoj Ramdas ,  MANIKARNIKA, Kiran

    IPC分类号： B29D99/00 ,  B29C70/34 ,  F03D1/06 ,  B29L31/08 ,  B29C70/52

    摘要： Method of manufacturing a fibre-reinforced spar cap (45) for a wind turbine blade. A plurality of pultruded fibre plates (70) is arranged in a spar cap mould (62) to form a stacked arrangement (69) of pultruded fibre plates (70). An insert member (86) is arranged next to a lateral surface (67) of the stacked arrangement (69), wherein the first insert member (86) comprises a connecting surface (87), and wherein the first insert member (86) is arranged such that its connecting surface abuts against the first lateral surface (67) of the stacked arrangement (69). Resin is infused into the stacked arrangement (69) and the insert member (86) to form the fibre-reinforced spar cap (45) or a preform thereof, which can be trimmed to the required size.

    PATTERNED FIBRE FABRICS FOR A WIND TURBINE BLADE PREFORM
    5.
    发明公开
    PATTERNED FIBRE FABRICS FOR A WIND TURBINE BLADE PREFORM 审中-公开

    公开(公告)号：EP4166298A1

    公开(公告)日：2023-04-19

    申请号：EP21203133.0

    申请日：2021-10-18

    申请人： LM Wind Power A/S

    发明人： BRANDT, Frederik ,  MADSEN, Kristian ,  KOEFOED, Michael

    IPC分类号： B29B11/16 ,  B29D99/00

    摘要： The present invention relates a method of manufacturing a wind turbine blade (10) part using a preform (98). A plurality of layers are arranged within a preform mould (90) to form a stack of layers, wherein one or more of the layers is formed by an elongate fabric (70) comprising a fibre material treated with a binding agent. The elongate fabric comprises an alternating pattern of first sections of fibre material free from binding agent and second sections of fibre material treated with binding agent.