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    • 10. 发明申请
    • WELLS TURBINE HAVING PASSIVE ROTOR BLADE DISPLACEMENT
    • 具有被动转子叶片位移的WELLS涡轮机
    • US20110103958A1
    • 2011-05-05
    • US12734953
    • 2008-10-16
    • Raphael ArlittHelmut BronowskiJochen WeileppMichael EngelhardtRalf Starzmann
    • Raphael ArlittHelmut BronowskiJochen WeileppMichael EngelhardtRalf Starzmann
    • F01D5/30
    • F03B13/24F03B13/142F03D1/0675F05B2210/404F05B2260/74F05B2260/77F05B2260/78F05B2280/1021F05C2201/021Y02E10/32Y02E10/38Y02E10/721Y02E60/17
    • The invention concerns a Wells turbine, comprising a hub with a plurality of rotor blades having a drop-shaped profile orienting from a profile nose; the rotor blades are attached to the hub in a rotary fashion by means of a foot part such that the rotor blade angle is variable with respect to the plane of rotation, wherein the associated rotational axis intersects the chord for each profile section in a threading point, which is located in a region between the profile nose and the aerodynamic center of the profile; the adjustment of the blade angle is made passively by the equilibrium occurring during the operation of the wells turbine between the aerodynamic torque, acting on the rotor blades, and the centrifugal torque, wherein the average density of the rotor blade is selected to be less than 2700 kg/m3 and/or the mass distribution within the profile is selected such that the surface centrifugal torque of the rotor blade is reduced relative to a profile made from a solid and/or the surface centrifugal torque of the rotor blades is at least partially balanced by compensatory weights, disposed at a distance from the rotational axis and perpendicular to the chord.
    • 本发明涉及一种威尔斯涡轮机,其包括具有多个转子叶片的轮毂,该转子叶片具有从轮廓鼻取向的液滴形轮廓; 转子叶片通过脚部以旋转方式附接到轮毂,使得转子叶片角度相对于旋转平面是可变的,其中相关联的旋转轴线与螺纹点中的每个轮廓部分的弦线相交 ,其位于轮廓鼻部和轮廓的空气动力中心之间的区域中; 通过在作用在转子叶片上的空气动力学转矩和离心力矩之间的井筒涡轮机运行期间发生的平衡被动地进行叶片角的调节,其中转子叶片的平均密度选择为小于 2700kg / m3和/或轮廓内的质量分布被选择为使得转子叶片的表面离心力矩相对于由固体形成的轮廓减小,和/或转子叶片的表面离心力矩至少部分地 通过补偿重量平衡,设置在与旋转轴线一定距离并垂直于弦杆。