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    • 10. 发明授权
    • Cylinder for guiding at least one yarn
    • 用于引导至少一根纱线的气缸
    • US06707201B2
    • 2004-03-16
    • US10097364
    • 2002-03-14
    • Dirk Laukien
    • Dirk Laukien
    • H20K709
    • B65H54/46B65H51/06B65H2402/523B65H2601/524B65H2701/31D02J13/005F16C32/044F16C2340/24F16F15/03H02K7/09H02K7/14
    • A cylinder for guiding yarn comprises a hollow-cylindrical jacket seated on a support by radially acting magnetic bearings having plural pole windings distributed circumferentially. The cylinder jacket position is detected by plural sensors coupled with the pole windings by a control unit. The sensors are spaced from the cylinder jacket and from the support for determining the actual position of the cylinder jacket relative to a stationary reference position. Vibrations of the cylinder jacket are damped by determining the actual position of the cylinder jacket in relation to a stationary reference position and the chronological change of the actual position as a function of the rotary frequency of the cylinder jacket. Control signals for the magnetic bearing are generated to cause the magnetic bearing to counteract the position change of the cylinder jacket.
    • 用于引导纱线的圆筒包括通过沿径向分布的多个极绕组的径向作用的磁性轴承而位于支撑件上的中空圆柱形护套。 气缸套位置由与控制单元的极绕组耦合的多个传感器检测。 传感器与气缸套和支撑件间隔开,以确定气缸套相对于静止参考位置的实际位置。 通过确定气缸套相对于静止参考位置的实际位置和作为气缸套的旋转频率的函数的实际位置的时间变化来阻尼气缸套的振动。 产生磁轴承的控制信号,使磁轴承抵消气缸套的位置变化。