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    • 2. 发明申请
    • MINIATURE WIND TURBINE HAVING VARIABLE BLADE PITCH
    • 微型风力涡轮机,具有可变叶片
    • US20110116932A1
    • 2011-05-19
    • US12813283
    • 2010-06-10
    • Ming Tak POON
    • Ming Tak POON
    • F01D5/30
    • G09B23/12F03D7/0224F05B2250/82F05B2260/74Y02E10/723
    • A wind turbine rotor having variable blade pitch is provided. According to one embodiment, the wind turbine rotor includes a hub defining a predetermined number of openings, the hub further including a rotatable adjustment layer defining a predetermined number of slots, wherein the slots corresponds to the openings; and one or more blades secured in the hub, each of the one or more blades including a blade root, and a protrusion extending from the blade root, and wherein the protrusion of each of the one or more blades is engaged by a corresponding slot of the adjustment layer, wherein rotation of the adjustment layer translates the protrusions of each of the one or more blades, thereby rotating each of the one or more blades about the longitudinal axis. The rotor may be removably secured to a generator shaft by a spring, allowing easy adjustment of the rotor for educational use.
    • 提供具有可变叶片间距的风力涡轮机转子。 根据一个实施例,风力涡轮机转子包括限定预定数量的开口的毂,所述轮毂还包括限定预定数量的狭槽的可旋转调节层,其中所述狭槽对应于所述开口; 以及固定在所述轮毂中的一个或多个叶片,所述一个或多个叶片中的每一个包括叶片根部和从所述叶片根部延伸的突出部,并且其中所述一个或多个叶片中的每一个的突起与相应的槽 调节层,其中调节层的旋转使一个或多个叶片中的每一个的突起平移,从而使一个或多个叶片中的每一个围绕纵向轴线旋转。 转子可以通过弹簧可拆卸地固定到发电机轴上,从而允许容易地调节用于教育用途的转子。