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    • 6. 发明申请
    • WIND TURBINE WITH FLOW SURFACES
    • 风力涡轮机与流动表面
    • WO2007068256A1
    • 2007-06-21
    • PCT/DK2006/000720
    • 2006-12-18
    • LM GLASFIBER A/SGRABAU, PeterSØRENSEN, Tommy
    • GRABAU, PeterSØRENSEN, Tommy
    • F03D1/04F03D1/06
    • F03D1/04F03D1/02F03D1/0658F05B2240/13Y02E10/721
    • The present invention relates to a method of increasing the output of a wind turbine, wherein one or more flow surfaces are placed at a wind turbine. At lower wind speeds, the flow surfaces are set to guide the wind up towards and/or out from the rotor of the wind turbine and hence use the venturi effect in the rotor to advantage. At higher wind speeds, the flow surfaces are completely or partially taken out of the flow of the wind. Moreover, the flow surfaces can be adjusted around the wind turbine based on measurements of the speed of the wind and direction of the wind and/or the power signal of the wind turbine. The invention further relates to a system comprising one or more flow surfaces and means for adjusting same to the effect that the output of a wind turbine can be maximised by using the venturi effect to advantage as described above.
    • 本发明涉及增加风力涡轮机的输出的方法,其中一个或多个流动表面被放置在风力涡轮机上。 在较低的风速下,流动表面设置成引导风向和/或离开风力涡轮机的转子,因此有利地在转子中使用文丘里效应。 在较高的风速下,流动表面完全或部分地从风流中取出。 此外,可以基于风的速度和风向和/或风力涡轮机的功率信号的测量来围绕风力涡轮机调节流动表面。 本发明还涉及一种包括一个或多个流动表面的系统和用于调节风力涡轮机的输出可以通过如上所述利用文丘里效应而最大化的功能的装置。
    • 7. 发明申请
    • METHOD OF OPERATING A WIND TURBINE
    • 风力涡轮机的运行方法
    • WO2004057182A1
    • 2004-07-08
    • PCT/DK2003/000883
    • 2003-12-16
    • LM GLASFIBER A/SGRABAU, Peter
    • GRABAU, Peter
    • F03D7/02
    • F03D7/0224F03D80/40Y02E10/723
    • A wind turbine has a generator (7) with a connected rotor (3) having a hub (4) and blades (5) rotatably connected to the hub for adjusting the pitch angle. In a method of operating such a wind turbine under climatic conditions, where there is a risk of icing on the blades and no or weak wind, the generator is used as a motor for driving the rotor and the pitch angle of the blades is adjusted to ensure that the resulting wind substantially hits the leading edge of the blades. Any ice formed may be removed by means of de-icing in a known manner.
    • 风力涡轮机具有发电机(7),其具有连接的转子(3),其具有轮毂(4)和可旋转地连接到轮毂的叶片(5),用于调节桨距角。 在气候条件下操作这样的风力涡轮机的方法中,在叶片上存在结冰风险和没有风力或弱风的情况下,发电机被用作用于驱动转子的电动机,叶片的俯仰角被调整为 确保所得到的风基本上撞到叶片的前缘。 任何形成的冰可以通过已知方式的除冰除去。
    • 9. 发明申请
    • MAGNETIC ACTIVE FLAP
    • 磁性活动片
    • WO2011073178A2
    • 2011-06-23
    • PCT/EP2010069602
    • 2010-12-14
    • LM GLASFIBER ASGRABAU PETER
    • GRABAU PETER
    • F03D7/02
    • F03D7/0252F03D7/0232F03D7/0256F05B2240/31F05B2260/903Y02E10/721Y02E10/723
    • The present invention relates to a wind turbine blade for a rotor of a wind turbine having a substantially horizontal rotor shaft and a hub connected to the rotor shaft, the blade extending in a substantially radial direction from the hub, when mounted to the hub, wherein the blade comprises: a profiled contour comprising a pressure side and a suction side and a leading edge and a trailing edge connecting the pressure side and the suction side, a lift regulating device, and an operation device comprising an electromagnet configured to operate the lift regulating device between a first state and a second state. The lift regulating device comprises a magnetisable material.
    • 本发明涉及一种用于风力涡轮机的转子的风力涡轮机叶片,其具有基本上水平的转子轴和连接到转子轴的毂,当安装到轮毂上时,叶片在大致径向方向上从轮毂延伸,其中 叶片包括:轮廓轮廓,其包括压力侧和吸力侧以及连接压力侧和吸力侧的前缘和后缘,升力调节装置和操作装置,该操作装置包括电磁体,其构造成操作升降调节 设备在第一状态和第二状态之间。 提升调节装置包括可磁化材料。
    • 10. 发明申请
    • WIND TURBINE BLADE WITH LONGITUDINALLY EXTENDING FLOW GUIDING DEVICE HAVING A PLATE-SHAPED ELEMENT
    • 风力涡轮叶片具有垂直延伸的流动导向装置,具有板形元件
    • WO2011042530A1
    • 2011-04-14
    • PCT/EP2010/065078
    • 2010-10-08
    • LM GLASFIBER A/SFUGLSANG, PeterBOVE, StefanoGRABAU, PeterSUBRAHMANYAM, V.v.LUND, BrianJENSEN, Lars E.RADHAKRISHNAN, Sreeram Kottumuklu
    • FUGLSANG, PeterBOVE, StefanoGRABAU, PeterSUBRAHMANYAM, V.v.LUND, BrianJENSEN, Lars E.RADHAKRISHNAN, Sreeram Kottumuklu
    • F03D1/06
    • F03D1/0641F05B2240/121F05B2240/301F05B2260/30Y02E10/721
    • A wind turbine blade (10) for a rotor of a wind turbine (2) having a substantially horizontal rotor shaft, said rotor comprising a hub (8), from which the blade (10) extends substantially in a radial direction when mounted to the hub (8), the blade having a longitudinal direction (r) with a tip end (14) and a root end (16) and a transverse direction, is disclosed. The blade further comprises: a profiled contour (40, 42, 50) including a pressure side and a suction side, as well as a leading edge (18) and a trailing edge (20) with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The wind turbine blade is provided with a longitudinally extending flow guiding device (70, 170) attached to the profiled contour. The flow guiding device comprises: a base (90, 190) having a first longitudinal end (91, 191) nearest the root end (16) and a second longitudinal end (92, 192) nearest the tip end (14), a first side (93, 193) nearest the leading edge (18) and a second side (94, 194) nearest the trailing edge (20), as well as a first surface (95, 195) and a second surface (96, 196), the first surface of the base being attached to the profiled contour, and the second surface facing away from the profiled contour. A longitudinally extending substantially plate-shaped element (97, 197) protrudes from the second surface (96, 196) of the base (90, 190).
    • 一种用于具有基本上水平的转子轴的风力涡轮机(2)的转子的风力涡轮机叶片(10),所述转子包括轮毂(8),当安装到所述轮毂(8)上时,所述叶片(10)基本沿其径向延伸, 公开了具有前端(14)和根端(16)和横向的纵向(r)的叶片(8)。 刀片还包括:包括压力侧和吸力侧的成型轮廓(40,42,50)以及具有弦长的前缘(18)和后缘(20),所述弦的长度在其之间延伸, 异型轮廓在被入射气流冲击时产生电梯。 风力涡轮机叶片设置有连接到成型轮廓的纵向延伸的流动引导装置(70,170)。 流动引导装置包括:具有最靠近根端(16)的第一纵向端(91,191)和最靠近末端(14)的第二纵向端(92,192)的底座(90,190),第一 最靠近前缘(18)的侧面(93,193)和最靠近后缘(20)的第二侧(94,194)以及第一表面(95,195)和第二表面(96,196) 基座的第一表面附着到轮廓轮廓上,第二表面背离轮廓。 从基座(90,190)的第二表面(96,196)突出的纵向延伸的基本上板状的元件(97,197)。