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    • 1. 发明授权
    • Blade for a wind turbine rotor
    • 风力涡轮机转子的叶片
    • EP1963671B1
    • 2012-02-08
    • EP06818148.6
    • 2006-12-05
    • LM GLASFIBER A/S
    • GRABAU, Peter
    • F03D11/00
    • F03D1/0633F05B2240/32F05B2250/131F05B2250/132F05B2250/141F05B2250/18F05B2250/28F05B2250/70F05B2250/712F05B2280/6011F05C2253/12Y02E10/721
    • A blade (1) for a wind turbine rotor having a substantially horizontal rotor shaft, said ro¬ tor comprising a hub, comprises, seen in longitudinal direction along a longitudinal axis (10), a root area (2) closest to the hub, an airfoil area (4) furthest away from the hub and a transition area (3) between the root area (2) and the airfoil area (4). Seen in transverse direction, the blade (1) comprises a leading edge (5) and a trailing edge (6) as well as a chord plane (K) extending between the leading edge (5) and the trailing edge (6) of the blade (1). A surface zone with a plurality of indentations (7) and/or pro¬ jections is provided in at least the root area (2), said indentations and/or projections be¬ ing formed and dimensioned to improve the wind flow across the surface of the blade (1).
    • 一种用于风力涡轮机转子的叶片(1),该风力涡轮机转子具有基本上水平的转子轴,所述转子包括毂,沿纵向轴线(10)在纵向方向上看,最靠近毂的根部区域(2) 最远离轮毂的翼型区域(4)以及根部区域(2)和翼型区域(4)之间的过渡区域(3)。 沿横向方向看,叶片1包括前缘5和后缘6以及在前缘5和后缘6之间延伸的弦平面K, 刀片(1)。 至少在根部区域(2)中设置具有多个凹槽(7)和/或凸起的表面区域,所述凹槽和/或凸起的形成和尺寸被设计成改善穿过 刀片(1)。