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    INNER ROTOR-TYPE PERMANENT MAGNET MOTOR WITH ANNULAR MAGNETIC POLES
    1.
    发明申请
    INNER ROTOR-TYPE PERMANENT MAGNET MOTOR WITH ANNULAR MAGNETIC POLES 审中-公开
    内置转子型永磁电机

    公开(公告)号：US20160072371A1

    公开(公告)日：2016-03-10

    申请号：US14935932

    申请日：2015-11-09

    Applicant: MINEBEA CO., LTD.

    Inventor： Fumitoshi YAMASHITA ,  Osamu YAMADA ,  Shiho OHYA ,  Akihiro YAMANE

    IPC: H02K15/03

    CPC classification number: H02K15/03 ,  H02K1/02 ,  H02K1/278 ,  H02K2201/03 ,  H02K2213/03

    Abstract: A motor includes poles P having a remanence Mr of 0.9 T or more, a coercivity HcJ of 0.80 MA/m or more, and a maximum energy product (BH)max of 150 kJ/m3 or more, which sets a center point Pc of the magnetic poles in a circumferential direction on a rotor outer circumferential surface to a maximum thickness tmax, wherein when a line connecting the Pc and a rotational axis center Rc is Pc-Rc, a straight line connecting an arbitrary point Px in the circumferential direction on the rotor outer circumferential surface and the Rc is Px-Rc, an apex angle of the lines Pc-Rc and Px-Rc is θ, a number of pole pairs is Pn, a circumferential direction magnetic pole end is Pe, and a magnetic pole end biasing distance ΔLPe of the circumferential direction magnetic pole ends Pe is α×tmax (α is a coefficient).

    Abstract translation: 马达包括具有0.9T以上的剩余磁道Mr的磁极P，0.80MA / m以上的矫顽磁力HcJ和150kJ / m 3以上的最大能量乘积（BH）max，设定中心点Pc 在转子外周面上的圆周方向上的磁极为最大厚度tmax，其中，当连接Pc和旋转轴中心Rc的线为Pc-Rc时，将圆周方向上的任意点Px的直线连接到 转子外圆周表面和Rc是Px-Rc，线Pc-Rc和Px-Rc的顶角是θ，极数为Pn，圆周方向磁极端为Pe，磁性 极端偏置距离Dgr;圆周方向磁极端部Pee的LPe为α×tmax（α为系数）。

    INNER ROTOR-TYPE PERMANENT MAGNET MOTOR
    2.
    发明申请
    INNER ROTOR-TYPE PERMANENT MAGNET MOTOR 审中-公开
    内转子型永磁电机

    公开(公告)号：US20130088114A1

    公开(公告)日：2013-04-11

    申请号：US13648073

    申请日：2012-10-09

    Applicant: MINEBEA CO., LTD.

    Inventor： Fumitoshi YAMASHITA ,  Osamu YAMADA ,  Shiho OHYA ,  Akihiro YAMANE

    IPC: H02K21/12

    CPC classification number: H02K15/03 ,  H02K1/02 ,  H02K1/278 ,  H02K2201/03 ,  H02K2213/03

    Abstract: A motor includes poles P having a remanence Mr of 0.9 T or more, a coercivity HcJ of 0.80 MA/m or more, and a maximum energy product (BH)max of 150 kJ/m3 or more, which sets a center point Pc of the magnetic poles in a circumferential direction on a rotor outer circumferential surface to a maximum thickness tmax, wherein when a line connecting the Pc and a rotational axis center Rc is Pc-Rc, a straight line connecting an arbitrary point Px in the circumferential direction on the rotor outer circumferential surface and the Rc is Px-Rc, an apex angle of the lines Pc-Rc and Px-Rc is θ, a number of pole pairs is Pn, a circumferential direction magnetic pole end is Pe, and a magnetic pole end biasing distance ΔLPe of the circumferential direction magnetic pole ends Pe is α×tmax (α is a coefficient).

    Abstract translation: 马达包括具有0.9T以上的剩余磁道Mr的磁极P，0.80MA / m以上的矫顽磁力HcJ和150kJ / m 3以上的最大能量乘积（BH）max，设定中心点Pc 在转子外周面上的圆周方向上的磁极为最大厚度tmax，其中，当连接Pc和旋转轴中心Rc的线为Pc-Rc时，将圆周方向上的任意点Px的直线连接到 转子外圆周表面和Rc是Px-Rc，线Pc-Rc和Px-Rc的顶角是θ，极数为Pn，圆周方向磁极端为Pe，磁性 极端偏置距离Dgr;圆周方向磁极端部Pee的LPe为α×tmax（α为系数）。

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