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    • 1. 发明授权
    • Electromagnectic rotating machine
    • 电磁旋转机
    • US5936370A
    • 1999-08-10
    • US635031
    • 1996-04-19
    • Tadashi FukaoAkira ChibaChikara Michioka
    • Tadashi FukaoAkira ChibaChikara Michioka
    • F16C32/04F16C39/06H02K7/09H02P27/06G05B1/06
    • F16C32/0448F16C32/0493H02K7/09
    • An electromagnetic rotating machine driven by an electromagnetic action between a stator and a rotor has drive windings fitted to the stator for generating a rotating magnetic field for rotatably driving the rotor, position control windings fitted to the stator for generating a magnetic field having a different number of poles than that of the drive windings, a magnetic force generation circuit for generating a magnetic force to act on the rotor by supplying the position control windings with an electric current effective to unbalance the magnetic field on the stator side, a circuit for detecting an induced voltage or current generated in the one or more position control windings in response to radial displacement of the rotor and the rotating magnetic field generated by the drive windings, a circuit for detecting radial displacement of the rotor based on the induced voltage or current and the magnitude and speed of the rotating magnetic field, and a position control circuit for controlling the radial position of the rotor by changing the magnetic force generated by the magnetic force generation circuit in accordance with the detected radial displacement of the rotor.
    • 由定子和转子之间的电磁作用驱动的电磁旋转机具有安装在定子上的驱动绕组,用于产生用于可旋转地驱动转子的旋转磁场,安装在定子上的位置控制绕组产生具有不同数量的磁场 的磁极产生电路,用于通过向位置控制绕组提供有效地使定子侧上的磁场不平衡的电流来产生作用在转子上的磁力的磁力产生电路,用于检测电动机的电路 响应于转子的径向位移和由驱动绕组产生的旋转磁场而在一个或多个位置控制绕组中产生的感应电压或电流,用于基于感应电压或电流检测转子的径向位移的电路,以及 旋转磁场的大小和速度,以及用于控制的位置控制电路 通过根据检测到的转子的径向位移改变由磁力产生电路产生的磁力,使转子的径向位置变窄。