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1. 发明授权

US08604658B2 Permanent magnet type rotating electrical machine and electric power steering device 有权
公开(公告)号：US08604658B2
公开(公告)日：2013-12-10
申请号：US12741773
申请日：2008-09-26
申请人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
发明人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
IPC分类号： H02K1/27
摘要： A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2πN(i−1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.

2. 发明授权

US08598762B2 Permanent magnet rotating electric machine and electric power steering device using the same 有权
标题翻译：永磁旋转电机及使用其的电动助力转向装置
公开(公告)号：US08598762B2
公开(公告)日：2013-12-03
申请号：US12391573
申请日：2009-02-24
申请人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
发明人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
IPC分类号： H02K21/16
CPC分类号： H02K1/278 , H02K29/03 , H02K2213/03
摘要： A permanent magnet rotating electric machine includes: a stator including: a stator core having teeth, and an armature winding wound around each of the teeth to configure the multiple phases; and a rotor including a rotor core, and permanent magnets provided in order around the rotor core. The rotor is arranged to be spaced apart from the stator with an air gap therebetween. Each of the permanent magnets has a curved surface opposed to the stator and is configured to satisfy the following relationship: 0.65 ≤ Rm × h ⁢ ⁢ 1 W ⁡ ( h ⁢ ⁢ 1 + g ) ≤ 1.37 where Rm denotes a radius of curvature of the curved surface, h1 denotes a thickness of a central portion of the permanent magnet in the peripheral direction, W denotes a width of the permanent magnet in the peripheral direction, and g denotes an air gap length of the air gap.
摘要翻译：一种永磁体旋转电机，其特征在于，包括：定子，其具有：具有齿的定子铁心和缠绕在各齿周围的配置多相的电枢绕组; 以及包括转子铁心的转子和绕转子铁芯的顺序设置的永久磁铁。转子布置成与定子间隔开，其间具有气隙。每个永磁体具有与定子相对的弯曲表面，并且被配置为满足以下关系：0.65 <= Rm×h·ug 1 W⁡（h·门格1 + g）<= 1.37其中Rm表示曲率曲率h1表示永久磁铁在圆周方向上的中心部分的厚度，W表示永久磁铁在圆周方向上的宽度，g表示气隙的气隙长度。

3. 发明授权

US08648513B2 Permanent magnet type rotating electrical machine and electric power steering device 有权
标题翻译：永磁式旋转电机和电动助力转向装置
公开(公告)号：US08648513B2
公开(公告)日：2014-02-11
申请号：US12741773
申请日：2008-09-26
申请人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
发明人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
IPC分类号： H02K1/27
CPC分类号： H02K1/278 , B62D5/0403 , H02K1/2746 , H02K21/14 , H02K29/03
摘要： A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2πN(i−1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.
摘要翻译：一种永磁式旋转电机，包括：转子，其包括具有多边形的转子芯和多个永磁体; 以及具有定子铁芯和电枢绕组的定子，其中，当极数为M时，槽数为N，M个永久磁铁在圆周方向上从第一到第五个顺序地编号，并且位置偏移对于第i（i = 1,2，...，M）个永久磁铁，从等距配置的基准位置的相应的一个等距离距离旋转轴的中心相同的径向距离是hi，定义总共M个单位矢量，每个向量分别为2piN（i-1）/ M（rad）的角度方向，以及通过将单位矢量分别乘以位置偏移量hi 小于位置偏移量hi的绝对值的最大值。

4. 发明申请

US20100244605A1 PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING DEVICE 有权
标题翻译：永磁电机类型旋转电机和电动转向装置
公开(公告)号：US20100244605A1
公开(公告)日：2010-09-30
申请号：US12741773
申请日：2008-09-26
申请人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
发明人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
IPC分类号： H02K1/27
CPC分类号： H02K1/278 , B62D5/0403 , H02K1/2746 , H02K21/14 , H02K29/03
摘要： A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2πN(i−1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.
摘要翻译：一种永磁式旋转电机，包括：转子，其包括具有多边形的转子芯和多个永磁体; 以及具有定子铁芯和电枢绕组的定子，其中，当极数为M时，槽数为N，M个永久磁铁在圆周方向上从第一到第五个顺序地编号，并且位置偏移对于第i（i = 1,2，...，M）个永久磁铁，从等距配置的基准位置的相应的一个等距离距离旋转轴的中心相同的径向距离是hi，定义了M个单位矢量，每个矢量分别处于2＆pgr; N（i-1）/ M（rad）的角度方向上，并且通过将单位矢量分别乘以位置偏移数量hi小于位置偏移量hi的绝对值的最大值。

5. 发明授权

US09627936B2 Permanent magnet motor 有权
公开(公告)号：US09627936B2
公开(公告)日：2017-04-18
申请号：US14239968
申请日：2011-12-23
申请人： Masatsugu Nakano , Yoshihito Asao , Satoru Akutsu , Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani
发明人： Masatsugu Nakano , Yoshihito Asao , Satoru Akutsu , Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani
IPC分类号： H02K21/12 , H02K3/28 , H02K1/27 , H02K3/12 , H02K11/225 , H02K29/08 , H02K29/12 , H02K1/24
CPC分类号： H02K3/28 , H02K1/246 , H02K1/2746 , H02K1/276 , H02K1/2773 , H02K1/278 , H02K3/12 , H02K11/225 , H02K29/08 , H02K29/12
摘要： A permanent magnet motor in which electromagnetic excitation force of low spatial order is reduced, and influence of a magnetomotive force harmonic of a rotor and torque ripple is reduced. One set of armature windings receives current from a first inverter, and another set of armature windings receives current from a second inverter. Where a pole number of a rotor is M and the number of slots of a stator core is Q, M and Q satisfy M

6. 发明申请

US20140191628A1 PERMANENT MAGNET MOTOR 有权
标题翻译：永磁电机
公开(公告)号：US20140191628A1
公开(公告)日：2014-07-10
申请号：US14239968
申请日：2011-12-23
申请人： Masatsugu Nakano , Yoshihito Asao , Satoru Akutsu , Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani
发明人： Masatsugu Nakano , Yoshihito Asao , Satoru Akutsu , Ryuichi Takiguchi , Yuji Takizawa , Yu Hirotani
IPC分类号： H02K3/28 , H02K1/27 , H02K11/00 , H02K3/12
CPC分类号： H02K3/28 , H02K1/246 , H02K1/2746 , H02K1/276 , H02K1/2773 , H02K1/278 , H02K3/12 , H02K11/225 , H02K29/08 , H02K29/12
摘要： A permanent magnet motor in which electromagnetic excitation force of low spatial order is reduced, and influence of a magnetomotive force harmonic of a rotor and torque ripple is reduced. One set of armature windings receives current from a first inverter, and another set of armature windings receives current from a second inverter. Where a pole number of a rotor is M and the number of slots of a stator core is Q, M and Q satisfy M
摘要翻译：一种永磁电动机，其中低空间级的电磁激励力减小，并且减小了转子和转矩脉动的磁动势谐波的影响。一组电枢绕组从第一逆变器接收电流，另一组电枢绕组从第二逆变器接收电流。在转子的极数为M且定子铁芯的槽数为Q的情况下，M和Q满足M

7. 发明申请

US20140346910A1 PERMANENT MAGNET TYPE CONCENTRATED WINDING MOTOR 审中-公开
标题翻译：永磁电机类型集中式电机
公开(公告)号：US20140346910A1
公开(公告)日：2014-11-27
申请号：US14345128
申请日：2011-12-12
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： H02K3/28 , B62D5/04 , H02K1/27
CPC分类号： H02K3/28 , B62D5/0463 , H02K1/274 , 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.
摘要翻译：在永久磁铁式集中绕组电动机中，磁极数为M，定子Sr具有N个齿数T，线圈集中缠绕在其周围并以等间隔布置，M等于（18±4））n和N等于18n，电枢绕组AW具有m个并联电路，并联电路的1相电路被配置为具有彼此串联连接的6n / m个线圈数。

8. 发明申请

US20130300222A1 MOTOR DRIVE DEVICE FOR ELECTRIC POWER STEERING APPARATUS 有权
标题翻译：用于电动转向装置的电动机驱动装置
公开(公告)号：US20130300222A1
公开(公告)日：2013-11-14
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 , H02K5/02 , H02K3/50 , H02K9/22
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。

9. 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.

10. 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。

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