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    Brushless motor, external AC voltage source, and electric power steering device
    3.
    发明授权
    Brushless motor, external AC voltage source, and electric power steering device 有权
    无刷电机，外部交流电压源和电动助力转向装置

    公开(公告)号：US09331623B2

    公开(公告)日：2016-05-03

    申请号：US14369828

    申请日：2013-01-11

    申请人： Yu Hirotani ,  Ryuichi Takiguchi ,  Yuji Takizawa ,  Tetsuya Kojima ,  Masatsugu Nakano ,  Satoru Akutsu

    发明人： Yu Hirotani ,  Ryuichi Takiguchi ,  Yuji Takizawa ,  Tetsuya Kojima ,  Masatsugu Nakano ,  Satoru Akutsu

    IPC分类号： H02P27/00 ,  H02P25/02 ,  B62D5/04

    CPC分类号： H02P25/026 ,  B62D5/046 ,  H02P2207/05

    摘要： The present invention provides a brushless motor in which the voltage utilization ratio can be increased and the torque and output of the motor can thereby be increased, and also provides a drive method for a brushless motor. The brushless motor includes an armature constituted by an armature core having armature windings of a plurality of phases, and a field pole constituted by a field pole core having a plurality of permanent magnets. A voltage, in which at least a 5th order harmonic component is superimposed on a 1st order fundamental wave of a voltage under predetermined phase difference condition and amplitude condition in order to increase a 1st order fundamental wave peak of the applied voltage over an applied voltage peak, is applied to the armature windings.

    摘要翻译： 本发明提供一种无刷电动机，其中可以提高电压利用率，从而可以提高电动机的转矩和输出，并且还提供了一种用于无刷电动机的驱动方法。 无刷电动机包括由具有多相电枢绕组的电枢铁心构成的电枢和由具有多个永久磁铁的场极铁芯构成的场极。 在预定的相位差条件和振幅条件下，在电压的1阶基波上叠加有至少5次谐波分量的电压，以便在施加的电压峰值上增加施加电压的1阶基波峰值 ，被施加到电枢绕组。

    ELECTRIC DRIVE APPARATUS
    4.
    发明申请
    ELECTRIC DRIVE APPARATUS 有权
    电驱动装置

    公开(公告)号：US20150333600A1

    公开(公告)日：2015-11-19

    申请号：US14410923

    申请日：2012-10-01

    申请人： Masatsugu NAKANO ,  Satoru AKUTSU ,  Isao SONODA ,  Kohei USHIO ,  Yoshihito ASAO

    发明人： Masatsugu NAKANO ,  Satoru AKUTSU ,  Isao SONODA ,  Kohei USHIO ,  Yoshihito ASAO

    IPC分类号： H02K11/00

    CPC分类号： H02K11/33 ,  H02K11/215 ,  H02K29/08 ,  H02K2211/03

    摘要： Provided is an electric drive apparatus in which a detected portion (10) of a rotation angle sensor is disposed at an end of a shaft (7) of a motor, and a sensor portion (300) as a detection portion of the rotation angle sensor is disposed coaxially with the rotating axis of the shaft. In a control unit (200), an inverter circuit portion with a drive element (SW) for driving the motor, and a control substrate (17) which is separate from the sensor portion and controls the output of the inverter circuit portion are disposed. The sensor portion and the control substrate are electrically connected, with the control substrate disposed along a plane perpendicular to the rotating axis of the shaft.

    摘要翻译： 提供一种电动驱动装置，其中旋转角度传感器的检测部分（10）设置在电动机的轴（7）的端部，传感器部分（300）作为旋转角度传感器的检测部分 与轴的旋转轴线同轴设置。 在控制单元（200）中，设置具有用于驱动电动机的驱动元件（SW）的逆变器电路部分和与传感器部分分离并控制逆变器电路部分的输出的控制基板（17）。 传感器部分和控制基板电连接，控制基板沿垂直于轴的旋转轴线的平面设置。

    Motor drive device for electric power steering apparatus
    6.
    发明授权
    Motor drive device for electric power steering apparatus 有权
    电动助力转向装置用电动机驱动装置

    公开(公告)号：US09088196B2

    公开(公告)日：2015-07-21

    申请号：US13979920

    申请日：2011-05-20

    申请人： Masatsugu Nakano ,  Satoru Akutsu ,  Yoshihito Asao

    发明人： Masatsugu Nakano ,  Satoru Akutsu ,  Yoshihito Asao

    IPC分类号： H02K11/00 ,  H02K9/22 ,  H02K5/02 ,  H02K3/50 ,  H02K7/116

    CPC分类号： H02K11/0084 ,  H02K3/50 ,  H02K5/02 ,  H02K7/1166 ,  H02K9/22 ,  H02K11/33 ,  H02K2213/03

    摘要： A motor drive device employed, for example, in an electric power steering apparatus for vehicle, achieves a reduction not only in size but also in vibration and noise at the same time.At least one of a motor drive control unit (30) and a motor (10) is provided with at least two screw holes (53) for fixation to a gear (speed reducer) of an electric power steering apparatus. Let L1 be a maximum value of a distance between center points of the screw holes (53) and L2 be a distance between an end face (D) of a stator iron core (12) in an axial direction on a farther side from the gear and an attachment surface (C) attached to a gear side, then a value of L1 is equal to or greater than a value of L2.

    摘要翻译： 例如，在车辆用电动助力转向装置中使用的电动机驱动装置不仅能够在尺寸上同时降低振动和噪音的降低。 马达驱动控制单元（30）和马达（10）中的至少一个设置有至少两个用于固定到电动助力转向装置的齿轮（减速器）的螺钉孔（53）。 设L1为螺孔53的中心点之间的距离的最大值，L2为定子铁芯（12）的端面（D）与齿轮 和附接到齿轮侧的附接表面（C），则L1的值等于或大于L2的值。

    Catadioptric optical system and image pickup apparatus having the same
    7.
    发明授权
    Catadioptric optical system and image pickup apparatus having the same 有权
    反折射光学系统和具有其的摄像装置

    公开(公告)号：US08947774B2

    公开(公告)日：2015-02-03

    申请号：US13401999

    申请日：2012-02-22

    申请人： Masatsugu Nakano

    发明人： Masatsugu Nakano

    IPC分类号： G02B17/00 ,  G02B17/08

    CPC分类号： G02B17/0808 ,  G02B17/0856

    摘要： A catadioptric optical system includes a first imaging optical system that includes a catadioptric part that collects a light beam from an object to form an intermediate image of the object, and a second imaging optical system that includes a refractive part that images the intermediate image on an image plane. The first imaging optical system includes a first optical element, a second optical element, and a negative lens in an optical path between the first and second optical elements, and the first and second optical elements are disposed so that reflection parts of the first and second optical element face each other. A power φn of the negative lens, radii of curvature R1n and R2n of lens surfaces of the negative lens at an object side and an image side, respectively, and a power φ1 of the first imaging optical system are appropriately set.

    摘要翻译： 反折射光学系统包括：第一成像光学系统，其包括收集来自物体的光束以形成物体的中间图像的反射折射部分;以及第二成像光学系统，其包括在中间图像上成像的折射部分 图像平面 第一成像光学系统包括在第一和第二光学元件之间的光路中的第一光学元件，第二光学元件和负透镜，并且第一和第二光学元件设置成使得第一和第二光学元件的反射部分 光学元件彼此面对。 分别在物体侧和像侧的负透镜的功率＆phnn，负透镜的透镜表面的半径R1n和R2n以及第一成像光学系统的功率＆amp; 1被适当地设定。

    Catadioptric optical element and optical system including same
    8.
    发明授权
    Catadioptric optical element and optical system including same 有权
    反折射光学元件和包括其的光学系统

    公开(公告)号：US08947773B2

    公开(公告)日：2015-02-03

    申请号：US13492167

    申请日：2012-06-08

    申请人： Masatsugu Nakano

    发明人： Masatsugu Nakano

    IPC分类号： G02B17/00

    CPC分类号： G02B17/084 ,  G02B21/04

    摘要： A catadioptric lens comprises, a first surface configured to introduce a ray within the catadioptric lens; and a second surface, with a reflective film, configured to reflect the introduced ray to the first surface; the second surface having a first reflection area and a second reflection area surrounded by the first reflection area, wherein the ray, which has been introduced from the first surface and has traveled to the first reflection area, is reflected on the first reflection area by total internal reflection, and the ray, which has been introduced from the first surface and has traveled to the second reflection area, is reflected by the reflective film.

    摘要翻译： 反射折射透镜包括：第一表面，被配置为将光线引入反射折射透镜内; 以及具有反射膜的第二表面，被配置为将引入的光线反射到第一表面; 所述第二表面具有由所述第一反射区域包围的第一反射区域和第二反射区域，其中已经从所述第一表面引入并已经行进到所述第一反射区域的所述光线在所述第一反射区域上被反射总计 内反射，并且从第一表面引入并且已经行进到第二反射区域的光线被反射膜反射。

    PERMANENT MAGNET MOTOR
    9.
    发明申请
    PERMANENT MAGNET MOTOR 有权
    永磁电机

    公开(公告)号：US20140145547A1

    公开(公告)日：2014-05-29

    申请号：US14234178

    申请日：2011-10-14

    申请人： Masatsugu Nakano ,  Satoru Akutsu ,  Yoshihito Asao ,  Yuji Takizawa ,  Yu Hirotani ,  Ryuichi Takiguchi

    发明人： Masatsugu Nakano ,  Satoru Akutsu ,  Yoshihito Asao ,  Yuji Takizawa ,  Yu Hirotani ,  Ryuichi Takiguchi

    IPC分类号： H02K1/16

    CPC分类号： H02K1/165 ,  H02K1/2773 ,  H02K1/278 ,  H02K3/28 ,  H02K21/16 ,  H02K29/03 ,  H02K2213/03

    摘要： Provided is a permanent magnet motor that realizes reduction of both cogging torque and torque ripple, and also downsizing and weight reduction together with torque ripple reduction. When two sets of three-phase armature windings are defined such that a first armature winding 30-1 corresponds to U1 phase, V1 phase, and W1 phase and a second armature winding 30-2 corresponds to U2 phase, V2 phase, and W2 phase, U1 phase is provided in both of any adjacent slots of a plurality of slots 27, or at least one of U1 phase and U2 phase is provided in one of any adjacent slots 27, U1 phase, V1 phase, and W1 phase are shifted by an electric angle of 20° to 40° from U2 phase, V2 phase, and W2 phase upon driving, and a slot opening width Ws of a stator iron core 22 is set to satisfy Ws/(2πRs/Ns)≦0.15, where Rs is an inner radius of the stator iron core and Ns is a slot number of the stator iron core.

    摘要翻译： 提供了实现齿槽转矩和转矩波动的减小的永磁电动机，以及减小扭矩和扭矩波动的小型化和重量减少。 当两组三相电枢绕组被限定为使得第一电枢绕组30-1对应于U1相位，V1相位和W1相位，而第二电枢绕组30-2对应于U2相位，V2相位和W2相位 U1相位设置在多个槽27的任意相邻槽中，或者U1相和U2相中的至少一个在任意相邻的槽27之一中设置，U1相，V1相和W1相位移动 在驱动时与U2相，V2相和W2相的电角度为20°至40°，定子铁芯22的槽口宽度Ws设定为满足Ws /（2＆pgr; Rs / Ns）＆nlE; 0.15 其中Rs是定子铁芯的内半径，Ns是定子铁芯的槽数。

    PERMANENT MAGNET MOTOR
    10.
    发明申请
    PERMANENT MAGNET MOTOR 有权
    永磁电机

    公开(公告)号：US20140009023A1

    公开(公告)日：2014-01-09

    申请号：US14005992

    申请日：2011-05-26

    申请人： Akihiro Yamamura ,  Kazuhisa Takashima ,  Masatsugu Nakano

    发明人： Akihiro Yamamura ,  Kazuhisa Takashima ,  Masatsugu Nakano

    IPC分类号： H02K1/27

    CPC分类号： H02K1/2706 ,  H02K21/16 ,  H02K29/03 ,  H02K2213/03

    摘要： A permanent magnet motor (1) is configured such that mN≠K is satisfied to an integer m, where the pole number of a rotor (3) is K and the number of divided iron cores (10-12) of a stator (2) is N, and N values of r(θ), r(θ+360°/N), . . . , r(θ+(i−1)×360°/N), . . . , r(θ+(N−1)×360°/N) are equal so that the absolute value of the difference between any two of the N values becomes up to a predetermined value, where r(θ) is an inner radius defined as, on a plane perpendicular to a rotary shaft (7) of the rotor (3), a distance from the rotary shaft (7) center to a surface of the stator iron core (4) facing the rotor (3) where an angle from a fitting portion (15) of the partial iron core (10) is θ on the perpendicular plane, θ taking 0 to 360°/N.

    摘要翻译： 永磁电动机（1）被构造成使得对于转子（3）的极数为K并且定子的分割铁芯（10-12）的数量的整数m满足mN < 2）为N，r（θ），r（θ+ 360°/ N）的N值。 。 。 ，r（θ+（i-1）×360°/ N）， 。 。 ，r（θ+（N-1）×360°/ N）相等，使得N个值中的任意两个之间的差的绝对值变为预定值，其中r（θ）是被定义为 在垂直于转子（3）的旋转轴（7）的平面上，从旋转轴（7）的中心到定子铁芯（4）的面向转子（3）的表面的距离为 部分铁芯（10）的装配部分（15）在垂直平面上是θ，θ取0至360°/ N。