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31. 发明授权

US10396612B2 Permanent magnet type concentrated winding motor 有权
公开(公告)号：US10396612B2
公开(公告)日：2019-08-27
申请号：US14345128
申请日：2011-12-02
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： H02K1/27 , H02K3/28 , B62D5/04 , H02K21/16
摘要： In a permanent magnet type concentrated winding motor, the number of magnetic poles is M, a stator Sr has an N number of teeth T around which coils are concentratedly wound and which are circumferentially arranged at equal intervals, M is equal to (18±4)n and N is equal to 18n, an armature winding AW has an m number of parallel circuits, and a 1-phase circuit of the parallel circuits is configured to have a 6n/m number of coils connected in series with each other.

32. 发明授权

US09331623B2 Brushless motor, external AC voltage source, and electric power steering device 有权
标题翻译：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。

33. 发明授权

US09088196B2 Motor drive device for electric power steering apparatus 有权
标题翻译：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。

34. 发明申请

US20140145547A1 PERMANENT MAGNET MOTOR 有权
标题翻译：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。

35. 发明授权

US06891365B2 Rotation angle detection device 有权
公开(公告)号：US06891365B2
公开(公告)日：2005-05-10
申请号：US10270739
申请日：2002-10-16
申请人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
发明人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
IPC分类号： G01D5/245 , B62D5/04 , G01B7/30 , G01D5/12 , G01D5/20 , G01N27/72 , H02K24/00
CPC分类号： G01D5/2046
摘要： A highly accurate rotation angle detection device is realized by correcting a detecting position error caused by a machining error such as deterioration of roundness of an internal diameter of a stator. The rotation angle detection device is provided with a stator (12), which is provided with an exciting winding of one phase and two-phase output windings, and a rotor (13) having salient poles, in which the stator (12) has a plurality of teeth (11), the two-phase output windings are wound around the plurality of teeth, and the plurality of teeth include teeth for which the number of turns of the output windings is N and at least one of teeth for which the number of turns of the output windings is N±m (it is assumed that N and m are positive integers and N>m) and teeth for which the number of turns is m.

36. 发明授权

US09627944B2 Electric drive apparatus 有权
公开(公告)号：US09627944B2
公开(公告)日：2017-04-18
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 , H02K29/08 , H02K11/33 , H02K11/215
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.

37. 发明授权

US09564779B2 Permanent magnet motor 有权
标题翻译：永磁电机
公开(公告)号：US09564779B2
公开(公告)日：2017-02-07
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： H02K3/00 , H02K1/16 , H02K21/16 , H02K29/03 , H02K3/28 , H02K1/27
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 /（2πRs/ Ns）≤0.15，其中Rs 是定子铁心的内半径，Ns是定子铁芯的槽数。

38. 发明授权

US09240707B2 Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：US09240707B2
公开(公告)日：2016-01-19
申请号：US13611402
申请日：2012-09-12
申请人： Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani , Satoru Akutsu , Masatsugu Nakano , Tetsuya Iwata
发明人： Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani , Satoru Akutsu , Masatsugu Nakano , Tetsuya Iwata
IPC分类号： H02K3/12 , H02K3/28
CPC分类号： H02K3/12 , H02K3/28
摘要： A coil is configured so that: N conductor wires of wave windings each divided at at least two positions in a circumferential direction are provided in one of a plurality of slots; within a unit of the divided wave windings in which conduction is made, the N conductor wires are connected in one of series and parallel to each other at division positions located at substantially the same circumferential position of conductor-wire end portions; division units of the divided wave windings are connected in series to each other, and a total number of series turns of the series-connected division units of the each phase is a predetermined number of series turns, which does not exceed an upper limit value of a terminal voltage of the rotary electric machine; and the series-connected division units of the each phase have the same total number of series turns.
摘要翻译：线圈被构造成使得：在多个槽中的一个槽中设置有在圆周方向上至少两个位置分割的波形绕组的N根导线; 在进行导通的分波绕组的单位内，N导线在导体线端部的大致相同的圆周位置处的分割位置处以串联并联的方式连接; 分波绕组的分割单元彼此串联连接，并且每相的串联分割单元的串联匝数是预定数量的串联匝数，其不超过旋转电机的端电压; 每相的串联分割单元具有相同的串联总数。

39. 发明授权

US08829758B2 Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：US08829758B2
公开(公告)日：2014-09-09
申请号：US13614596
申请日：2012-09-13
申请人： Yuji Takizawa , Yu Hirotani , Ryuichi Takiguchi , Hiroko Ueyama , Satoru Akutsu , Masatsugu Nakano , Tetsuya Iwata
发明人： Yuji Takizawa , Yu Hirotani , Ryuichi Takiguchi , Hiroko Ueyama , Satoru Akutsu , Masatsugu Nakano , Tetsuya Iwata
IPC分类号： H02K1/27
CPC分类号： H02K1/2773
摘要： Provided is a rotary electric machine, including: a stator; and a rotor provided on the stator so as to be rotatable about a rotation shaft, in which the rotor includes, at an outer circumference thereof, magnetic poles arranged so as to have different polarities alternately, the magnetic poles being formed of a rotor core in which electromagnetic steel plates are stacked, the magnetic poles being excited by permanent magnets which are housed in gaps disposed at an outer circumferential part of the rotor core, and in which the rotor core includes, at an inner circumferential part thereof, in the same stack plane: a short circuit magnetic path connecting magnetic pole pieces which form the magnetic poles; and a protruding portion held in contact with the permanent magnets, which is positioned between magnetic pole pieces which are not connected to the short circuit magnetic path.
摘要翻译：提供一种旋转电机，包括：定子; 以及转子，其设置在所述定子上以能够围绕其旋转轴旋转的转子，所述转子在其外周包括交替设置为具有不同极性的磁极，所述磁极由转子芯形成，这些电磁钢板堆叠在一起，磁极被永久磁铁激励，永磁体容纳在设置在转子芯的外圆周部分的间隙中，转子芯在其内圆周部分处于相同的堆叠平面：连接形成磁极的磁极片的短路磁路; 以及与永磁体保持接触的突出部分，该永磁体位于不连接到短路磁路的磁极片之间。

40. 发明授权

US08427142B2 Rotation angle detecting device 有权
标题翻译：旋转角度检测装置
公开(公告)号：US08427142B2
公开(公告)日：2013-04-23
申请号：US12994772
申请日：2009-05-19
申请人： Masatsugu Nakano , Shinsuke Henmi , Satoru Akutsu
发明人： Masatsugu Nakano , Shinsuke Henmi , Satoru Akutsu
IPC分类号： G01B7/30
CPC分类号： G01D5/2046
摘要： Provided is a rotation angle detecting device with high detection accuracy, which can be structured with a small number of teeth even if a shaft angle multiplier increases, thus enhancing winding workability and becoming suitable for mass production. The rotation angle detecting device includes: a stator formed of an iron core with teeth, the stator including: an exciting winding of one phase or more; and output windings of two phases or more; and a rotor with a salient pole, in which numbers of turns of the output windings of the two phases each have a value obtained by a function containing a sum or a difference between a sine wave of an order equal to an absolute value of a sum of a number of the salient poles and a number of the pole pairs, and a sine wave of an order equal to an integer that is different from an absolute value of the number of the pole pairs of the exciting winding and different from an absolute value of a difference obtained by subtracting the number of the salient poles from the number of the pole pairs.
摘要翻译：本发明提供一种具有高检测精度的旋转角度检测装置，即使轴角倍增器增加，也能够以少量的齿构成，从而提高卷绕加工性，适合批量生产。所述旋转角度检测装置包括：定子，由具有齿的铁芯构成，所述定子包括：一相以上的励磁绕组; 并输出两相以上的绕组; 以及具有凸极的转子，其中两相的输出绕组的匝数各自具有通过包含等于等于绝对值之和的正弦波之和或之和的函数而获得的值多个极点和多个极对的正弦波，以及等于与励磁绕组的极对数的绝对值不同的绝对值的整数的正弦波通过从极数的数目减去突出极数而得到的差。

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