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    • 9. 发明申请
    • DAMPING OF WIND TURBINE BLADE VIBRATIONS
    • 风力涡轮叶片振动的阻尼
    • WO2010025732A2
    • 2010-03-11
    • PCT/DK2009050198
    • 2009-08-10
    • VESTAS WIND SYS ASHAAG MICHAEL DRACHMANN
    • HAAG MICHAEL DRACHMANN
    • F03D1/0683F03D1/0675F05B2250/292F05B2260/96F05B2280/4003F05B2280/6012F05C2225/00F05C2253/14Y02E10/721
    • In order e.g. to provide an vibrationdamper which does not need to befluid tightlysurrounded, there is disclosed awind turbine blade comprising at least one wind turbine blade vibrationdamper, the at least one dampercomprisingone or 5 more first damper surfaces, and one or more second damper surfaces,and where theone or more first and the one or more second damper surfaces are provided in an interior of the blade and are arranged to move relatively to each other during vibrationsof the blade, and a load transferring coupling,coupling thefirst and second damper surfaces, so that a relative movementof the damper surfaces10 result in anvibration-damping dissipation of kinetic energyin the load transferring coupling, and wherein the load transferring coupling comprises a viscoelastic foam.
    • 例如 为了提供一种不需要紧密包围流体的减震器,公开了一种包括至少一个风力涡轮机叶片减振器,至少一个减震器或更多的第一阻尼器表面以及一个或多个第二阻尼器表面的涡轮机叶片, 或更多的第一,并且所述一个或多个第二阻尼器表面设置在所述叶片的内部并且被布置成在所述叶片的振动期间相对于彼此移动,以及负载传递联接器,联接所述第一和第二阻尼器表面,使得相对 阻尼器表面10的运动导致载荷传递联轴器中的动能的振动阻尼耗散,并且其中载荷传递联轴器包括粘弹性泡沫。