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41.发明申请公开(公告)号：US20130154436A1
公开(公告)日：2013-06-20
申请号：US13697064
申请日：2010-09-06
申请人： Masatsugu Nakano , Toshihiro Matsunaga , Yusuke Morita , Misa Nakayama , Kazuhisa Takashima , Satoru Akutsu
发明人： Masatsugu Nakano , Toshihiro Matsunaga , Yusuke Morita , Misa Nakayama , Kazuhisa Takashima , Satoru Akutsu
IPC分类号： H02K1/16
CPC分类号： H02K1/16 , B62D5/046 , H02K1/146 , H02K1/148 , H02K1/276 , H02K1/278 , H02K21/16 , H02K29/03 , H02K2213/03
摘要： Not less than two regions different in magnetic circuit design are provided in a rotational axis direction of the rotor (30), the regions being different by changing a cross-sectional shape in the rotational axis direction in a cross-section perpendicular to a rotational shaft (10) of the rotor (30) having the permanent magnets (1) and the rotor core (2); the supplemental grooves (5) are provided in axial partial regions of each of the teeth (7) of the stator core (3); and the region in which the supplemental groove (5) is provided is each partial region for each region facing a region same in magnetic circuit design of the rotor (30). This enables to reduce cogging torque generated by variations on the rotor side.
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公开(公告)号：US07009389B2
公开(公告)日：2006-03-07
申请号：US11088889
申请日：2005-03-25
申请人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
发明人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
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.
摘要翻译： 通过校正由诸如定子的内径的圆度的劣化的加工误差引起的检测位置误差来实现高精度的旋转角度检测装置。 旋转角度检测装置设置有定子（12），其设置有一相和两相输出绕组的励磁绕组，以及具有凸极的转子（13），其中定子（12）具有 多个齿（11），两相输出绕组缠绕在多个齿上，并且多个齿包括输出绕组匝数为N的齿和至少一个齿数 输出绕组的匝数为N±m（假定N和m为正整数，N> m）和匝数为m的齿。
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公开(公告)号：US10574125B2
公开(公告)日：2020-02-25
申请号：US14433783
申请日：2013-03-08
申请人： Yu Hirotani , Yuji Takizawa , Masatsugu Nakano , Satoru Akutsu , Toyoaki Udo
发明人： Yu Hirotani , Yuji Takizawa , Masatsugu Nakano , Satoru Akutsu , Toyoaki Udo
摘要： A multiplex multiphase winding AC motor includes an armature iron core provided with a plurality of teeth and a plurality of slots, an armature winding provided with two or more groups of multiphase windings that are wound around the teeth and are contained in the slots, a plurality of motor driving apparatuses independently connected with the two or more groups of multiphase windings, and a magnetic-field-pole iron core provided with a plurality of magnetic-field poles arranged in such a way as to face the armature iron core through a gap; in the magnetic-field-pole iron core, a plurality of magnetic resistance elements for impeding a magnetic-flux flow in the circumferential direction thereof are formed.
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44.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
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。
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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
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.
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46.发明授权公开(公告)号：US09350204B2
公开(公告)日：2016-05-24
申请号：US13390305
申请日：2009-11-24
CPC分类号： H02K1/148 , H02K29/03 , H02K2213/03
摘要： A compact, light permanent magnet motor with low torque pulsations is obtained by reducing a cogging torque resulting from variations at the end of a rotor, such as an error in attachment position and a variation in magnet characteristic of the permanent magnets. A permanent magnet rotating electrical machine includes a rotor and a stator, a stator core provided with slots in which to store an armature winding wire wound around the teeth, and supplemental grooves provided to the teeth in portions opposing the rotor in an axial direction of the stator core. The supplemental grooves are provided to the stator in a part in the axial direction of the stator core, and that let P be the number of the magnetic poles (the number of poles) and S be the number of the slots (the number of slots), then a relation, 0.75
摘要翻译： 通过减小由于转子端部的变化而导致的齿槽转矩，例如安装位置的误差和永久磁铁的磁铁特性的变化，可获得具有低转矩脉动的小型轻型永磁电动机。 一种永磁体旋转电机，包括转子和定子，定子铁心设置有用于存储缠绕在齿周围的电枢绕组线的槽，以及在该转子的轴向方向上与转子相对的部分设置的齿槽的补充槽 定子铁芯。 辅助槽在定子铁芯的轴向部分设置在定子上，使P为磁极数（极数），S为槽数（槽数 ），则建立0.75
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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
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。
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48.发明授权公开(公告)号：US09172278B2
公开(公告)日：2015-10-27
申请号：US13697064
申请日：2010-09-06
申请人： Masatsugu Nakano , Toshihiro Matsunaga , Yusuke Morita , Misa Nakayama , Kazuhisa Takashima , Satoru Akutsu
发明人： Masatsugu Nakano , Toshihiro Matsunaga , Yusuke Morita , Misa Nakayama , Kazuhisa Takashima , Satoru Akutsu
CPC分类号： H02K1/16 , B62D5/046 , H02K1/146 , H02K1/148 , H02K1/276 , H02K1/278 , H02K21/16 , H02K29/03 , H02K2213/03
摘要： Not less than two regions different in magnetic circuit design are provided in a rotational axis direction of the rotor (30), the regions being different by changing a cross-sectional shape in the rotational axis direction in a cross-section perpendicular to a rotational shaft (10) of the rotor (30) having the permanent magnets (1) and the rotor core (2); the supplemental grooves (5) are provided in axial partial regions of each of the teeth (7) of the stator core (3); and the region in which the supplemental groove (5) is provided is each partial region for each region facing a region same in magnetic circuit design of the rotor (30). This enables to reduce cogging torque generated by variations on the rotor side.
摘要翻译： 在转子（30）的旋转轴线方向上设置不少于两个磁路设计不同的区域，这些区域通过在与旋转轴垂直的截面中改变旋转轴线方向的横截面形状而不同 （10）具有永磁体（1）和转子铁心（2）的转子（10）; 所述补充槽（5）设置在所述定子铁心（3）的每个所述齿（7）的轴向部分区域中。 并且其中设置有所述补充槽（5）的区域是面对与转子（30）的磁路设计相同的区域的每个区域的每个部分区域。 这使得能够减小由转子侧的变化产生的齿槽转矩。
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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。
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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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