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    • 10. 发明授权
    • Stiff-in-plane rotor configuration
    • 刚体平面转子配置
    • US08956117B2
    • 2015-02-17
    • US13144448
    • 2009-01-19
    • Frank B. StampsPatrick R. TisdaleTom DonovanRichard E. Rauber
    • Frank B. StampsPatrick R. TisdaleTom DonovanRichard E. Rauber
    • B64C27/33B64C27/32
    • B64C27/35B64C27/32B64C27/33B64C27/39B64C27/48
    • A rotor assembly for a rotary-wing aircraft, the rotor having a central hub assembly with a flexure-type, twist-shank yoke with multiple arms, each arm being adapted for a rotor blade to be mounted thereto. The arms provide for pitch changes of blades attached to the yoke through twisting of portions of the arms about a corresponding pitch axis. An inboard pitch bearing associated with each arm is attached to the hub assembly and allows for rotation of the attached blade about the pitch axis, the inboard pitch bearing also allowing for out-of-plane motion of the arm relative to the hub assembly about a flapping axis. An outboard pitch bearing associated with each arm is attached to the associated arm a selected distance from the inboard pitch bearing and allows for rotation of the attached blade about the pitch axis.
    • 一种用于旋转翼飞行器的转子组件,该转子具有中心轮毂组件,其具有带有多个臂的挠曲型扭转柄轭,每个臂适于安装在其上的转子叶片。 臂通过扭转相应的俯仰轴线的臂的部分来提供附接到轭的叶片的桨距变化。 与每个臂相关联的内侧变桨轴承附接到轮毂组件并且允许所附接的叶片围绕俯仰轴线旋转,内侧变桨轴承还允许臂相对于轮毂组件的平面外运动绕一个 拍动轴。 与每个臂相关联的外侧变桨轴承从相对于内侧变桨轴承的选定距离附接到相关联的臂,并且允许所附接的叶片围绕桨距轴线旋转。