公开(公告)号：US07364407B2

公开(公告)日：2008-04-29

申请号：US10508385

申请日：2003-03-19

Applicant: Peter Grabau ,  Lars Fuglsang Andersen

Inventor： Peter Grabau ,  Lars Fuglsang Andersen

IPC: F03D1/06 ,  F03D3/06 ,  B29C70/06

CPC classification number: F03D1/065 ,  B29L2031/085 ,  Y02E10/721 ,  Y02P70/523

Abstract: The invention relates to a wind turbine blade and a transitional shell blank for the manufacture of the shell of a wind turbine blade, the blade or the transitional shell blank being made of fibre-reinforced polymer including a first type of fibres (1, 3, 6) of a first stiffness and a first elongation at breakage, and a second type of fibres (2, 5, 7) of a different stiffness and a different elongation at breakage. According to the invention the two types of fibres are distributed in the polymer matrix. When seen in a sectional view perpendicular to longitudinal direction of the blade or the transitional shell blank, the quantitative ratio of the two types of fibres varies continuously in the longitudinal direction of the blade or of the transition shell blank.

Abstract translation: 本发明涉及一种用于制造风力涡轮机叶片的壳体的风力涡轮机叶片和过渡壳坯料，所述叶片或过渡壳坯料由纤维增强聚合物制成，所述纤维增强聚合物包括第一类型的纤维（1,3， 6）具有第一刚度和第一断裂伸长率，以及具有不同刚度和不同断裂伸长率的第二类型的纤维（2,5,7）。 根据本发明，两种类型的纤维分布在聚合物基质中。 当在垂直于叶片或过渡壳坯料的纵向方向的截面图中看到时，两种类型的纤维的定量比在叶片或过渡壳坯料的纵向方向上连续变化。