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    • 10. 发明申请
    • Linear driving device
    • 线性驱动装置
    • US20060006743A1
    • 2006-01-12
    • US11174504
    • 2005-07-06
    • Tomohiko KawaiKenzo EbiharaHiroshi MinamiMasatoyo SogabeYoshifumi Shimura
    • Tomohiko KawaiKenzo EbiharaHiroshi MinamiMasatoyo SogabeYoshifumi Shimura
    • H02K41/00
    • H02K41/031H02K1/146H02K1/278H02K29/03H02K2207/03H02K2213/03
    • A linear driving device that reduces a cogging force with a simple structure as opposed to a drive mechanism having an existing structure, deals with a plurality of cogging waveforms having different periods, and suppresses not only the cogging force but also pitching that is vertical oscillation. The device has a structure provided with a plurality of magnet arrays in which permanent magnets having different polarities are alternately and rectilinearly arranged in the same direction, and a plurality of coil modules having a plurality of teeth and slots fitted with armature coils. The arrangement distance between the coil modules disposed along the displacing direction of each of the magnet arrays equals the sum or remainder of the length corresponding to a half of any one of periods possessed by the cogging force generated when the coil modules move by one magnetic pole and an integer multiple of the length of a magnetic pole pair. The coil modules are connected to each other by a connecting member, and the connecting member makes relative motion along the magnet arrays.
    • 与具有现有结构的驱动机构相反的简单结构减小齿槽力的线性驱动装置处理具有不同周期的多个齿槽波形,并且不仅抑制齿槽力而且抑制垂直振荡的俯仰。 该装置具有设置有多个磁体阵列的结构,其中具有不同极性的永久磁体沿相同方向交替且直线地布置,并且多个线圈模块具有多个配有电枢线圈的齿和槽。 沿着每个磁体阵列的位移方向布置的线圈模块之间的布置距离等于对应于当线圈模块移动一个磁极时产生的齿槽力所具有的任何一个周期的一半的总和或余数 以及磁极对的长度的整数倍。 线圈模块通过连接构件彼此连接,并且连接构件沿着磁体阵列进行相对运动。