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    • 7. 发明公开
    • Teeter-restraint device for wind turbines
    • WippsperrvorrichtungfürWindturbinen
    • EP2034180A2
    • 2009-03-11
    • EP08251253.4
    • 2008-03-31
    • Hamilton Sundstrand Corporation
    • Bertolotti, Fabio P
    • F03D7/02F03D11/00
    • F03D7/02F05B2240/2022F05B2250/70F05B2260/76F05B2260/96F05B2270/506F05B2270/604Y02E10/721Y02E10/723
    • A wind turbine system includes a shaft (38), a rotor (28) for driving the shaft, and a first fluidic teeter control assembly (50). The rotor includes a first blade (32) engaged to the shaft by a hub (30), and has a degree of freedom to pivot relative to the shaft. A first teeter angle (β) is defined between an instantaneous position of the first blade and a time-averaged plane of rotation (46) of the first blade. The first fluidic teeter control assembly (50) is engaged between the rotor and the shaft for providing a first dynamic teeter restraining force as a function of the first teeter angle and a fluidic resistance. The first dynamic restraining force is relatively low when the first teeter angle is within a first teeter operation range, and the first dynamic restraining force is higher when the first teeter angle is outside that range.
    • 风力涡轮机系统包括轴(38),用于驱动轴的转子(28)和第一流体跷跷板控制组件(50)。 转子包括通过毂(30)接合到轴的第一叶片(32),并且具有相对于轴枢转的自由度。 在第一叶片的瞬时位置和第一叶片的时间平均旋转平面(46)之间限定第一跷跷板角(²)。 第一流体跷跷板控制组件(50)接合在转子和轴之间,用于提供作为第一跷跷板角度和流体阻力的函数的第一动态踩踏器限制力。 当第一跷跷板角度在第一踩踏器操作范围内时,第一动态限制力相对较低,并且当第一跷跷板角度在该范围之外时第一动态限制力较高。