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    • 23. 发明申请
    • ROTATION DETECTOR
    • 旋转探测器
    • US20110084691A1
    • 2011-04-14
    • US12883144
    • 2010-09-15
    • Shuichi TAKEUCHI
    • Shuichi TAKEUCHI
    • G01B7/30G01B11/14
    • G01D5/2448G01D5/24476
    • A rotation detector includes a first distance sensor disposed to face a rotating body with a gear portion formed non-parallel to a rotation axis for continuously measuring a distance from the gear portion during rotation of the rotating body, a second distance sensor disposed at a position different from the first distance sensor in a direction of the rotation axis for continuously measuring a distance from the gear portion during rotation of the rotating body, and an axis shift detecting portion for detecting an axis shift of the rotation axis based on a variation in the distance measured by at least one of the first and second distance sensors.
    • 旋转检测器包括:第一距离传感器,被设置为面对旋转体,齿轮部分形成为不平行于旋转轴线,用于在旋转体旋转期间连续地测量与齿轮部分的距离,第二距离传感器设置在位置 与第一距离传感器在旋转轴的方向上不同,用于在旋转体的旋转期间连续地测量与齿轮部分的距离;以及轴移动检测部,用于基于旋转轴的变化来检测旋转轴的轴线偏移 由第一和第二距离传感器中的至少一个测量的距离。