公开(公告)号：US09391486B2

公开(公告)日：2016-07-12

申请号：US13883944

申请日：2011-05-30

申请人： Atsushi Sakaue ,  Yoshihito Asao ,  Satoru Akutsu ,  Isao Sonoda ,  Kazuhisa Takashima

发明人： Atsushi Sakaue ,  Yoshihito Asao ,  Satoru Akutsu ,  Isao Sonoda ,  Kazuhisa Takashima

IPC分类号： H02K11/00 ,  H02K5/22 ,  B62D5/04

CPC分类号： H02K5/225 ,  B62D5/0406 ,  H02K11/33

摘要： An electric power steering electric motor apparatus includes: an electric motor including: a motor housing; a stator; a rotor; and a power supplying portion that supplies electric power to the stator; and a controlling unit including: a driving circuit that supplies electric power to the electric motor; a connecting portion; a controlling circuit; and a case that covers the driving circuit and the controlling circuit, the electric motor and the controlling unit being mounted coaxially onto a gear housing that reduces rotational speed of the electric motor so as to position the controlling unit on a side near the gear housing, and the connecting portion being connected to the power supplying portion inside the case through an opening portion formed on the case, and being positioned and held by an insulating member so as to be insulated from the case and the motor housing.

摘要翻译： 一种电动助力转向电动机装置，包括：电动机，包括：电动机壳体; 定子 转子 以及向所述定子供给电力的供电部; 以及控制单元，包括：向所述电动机供给电力的驱动电路; 连接部; 控制电路; 以及覆盖驱动电路和控制电路的壳体，电动机和控制单元同轴地安装在齿轮壳体上，其减小电动机的旋转速度，以将控制单元定位在齿轮壳体附近的一侧， 并且连接部分通过形成在壳体上的开口部分连接到壳体内的供电部分，并且由绝缘构件定位和保持，以便与壳体和电动机壳体绝缘。

公开(公告)号：US20160006324A1

公开(公告)日：2016-01-07

申请号：US14409039

申请日：2012-10-04

申请人： Satoru AKUTSU ,  Isao SONODA ,  Yoshihito ASAO

发明人： Satoru AKUTSU ,  Isao SONODA ,  Yoshihito ASAO

IPC分类号： H02K11/00 ,  H02K7/00 ,  B62D5/04 ,  H02K5/06

CPC分类号： B62D5/0403 ,  B62D5/046 ,  F04B17/03 ,  F04B35/04 ,  F04B39/121 ,  F04B53/16 ,  H02K5/04 ,  H02K5/06 ,  H02K5/15 ,  H02K7/003 ,  H02K11/33

摘要： In a rotary electric machine having an integrated drive control device, a motor housing joined to a mounting housing, which is a cast member, is made of a steel material. Therefore, an outer diameter is reduced and strength for retaining a stator core is satisfactorily ensured even under high-temperature environments.

摘要翻译： 在具有集成的驱动控制装置的旋转电机中，连接到作为铸件的安装壳体的电动机壳体由钢材料制成。 因此，即使在高温环境下，外径减小，也可以令人满意地确保用于保持定子铁芯的强度。

公开(公告)号：US09184637B2

公开(公告)日：2015-11-10

申请号：US13577346

申请日：2010-06-10

申请人： Akihiro Yamamura ,  Kazuhisa Takashima ,  Hidechika Fujii ,  Masayuki Miyaoka ,  Satoru Akutsu

发明人： Akihiro Yamamura ,  Kazuhisa Takashima ,  Hidechika Fujii ,  Masayuki Miyaoka ,  Satoru Akutsu

IPC分类号： H02K21/12 ,  H02K1/27 ,  H02K29/03

CPC分类号： H02K1/278 ,  H02K29/03 ,  H02K2201/03 ,  H02K2213/03

摘要： A rotor of a rotary electric machine according to the present invention includes: a rotor core arranged on the outer circumferential side of a rotor shaft; and a plurality of magnetic poles fixed to the rotor core and circumferentially arranged on the rotor core, the rotor including a non-magnetic ring attached by insertion to the outer circumference of the plurality of the magnetic poles and having a substantially polygonal shape in outer circumferential shape. The non-magnetic ring is configured such that the inner circumferential length L of the non-magnetic ring before assembly with respect to the length of an envelope L0 of tangent lines each between the outer circumferential surface of the magnetic pole and the outer circumferential surface of the adjacent magnetic pole is set to L≦L0. An object is to obtain the rotor of the rotary electric machine capable of achieving reduction in size and cost.

摘要翻译： 根据本发明的旋转电机的转子包括：设置在转子轴的外周侧的转子芯; 以及固定在所述转子铁芯上且周向地设置在所述转子铁芯上的多个磁极，所述转子包括通过插入所述多个磁极的外周而附接的非磁性环，并且在外周具有大致多边形的形状 形状。 非磁性环被构造成使得组装前的非磁性环的内周长L相对于每个在磁极的外周面和外周面之间的切线的包络线L0的长度 相邻磁极设为L＆nlE; L0。 目的是获得能够实现尺寸和成本的减小的旋转电机的转子。

公开(公告)号：US20140340015A1

公开(公告)日：2014-11-20

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： H02P25/02

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。

公开(公告)号：US08680731B2

公开(公告)日：2014-03-25

申请号：US12540112

申请日：2009-08-12

申请人： Satoru Akutsu ,  Hideya Nishikawa ,  Yoshihito Asao ,  Masatsugu Nakano

发明人： Satoru Akutsu ,  Hideya Nishikawa ,  Yoshihito Asao ,  Masatsugu Nakano

IPC分类号： H02K21/16 ,  H02K1/06

CPC分类号： H02K29/03 ,  H02K1/278 ,  H02K21/16 ,  H02K2201/06

摘要： A permanent-magnetic type rotary electric machine includes a stator having teeth that are arranged in the peripheral direction thereof and around which armature windings of plural phases are wound, and a rotor having plural permanent magnets arranged so that the poles of the permanent magnets are alternately different in the peripheral direction thereof, higher harmonic waves being contained in a no-load induced voltage waveform. A (6p−1)-th higher harmonic wave and a (6p−1)-th higher harmonic wave (p represents a positive integer) when an electrical angle of 360° is set as a fundamental wave in the no-load induced voltage waveform are made substantially coincident with each other in amplitude and phase.

摘要翻译： 一种永久磁铁式旋转电机，其特征在于，具有沿周向配置有齿的绕组的多个电枢绕组绕组的定子，具有多个永久磁铁的转子使得永久磁铁的极数交替 在其周向不同，高次谐波包含在无负载感应电压波形中。 当空载感应电压为360°的电角设定为基波时，A（6p-1）高次谐波和（6p-1）高次谐波（p表示正整数） 波形在振幅和相位上彼此基本一致。

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.

公开(公告)号：US08446111B2

公开(公告)日：2013-05-21

申请号：US12812673

申请日：2008-07-16

申请人： Isao Sonoda ,  Yoshihito Asao ,  Satoru Akutsu

发明人： Isao Sonoda ,  Yoshihito Asao ,  Satoru Akutsu

IPC分类号： B62D5/04

CPC分类号： B62D5/0406 ,  H02K7/1166 ,  H02K11/225 ,  H02K11/33

摘要： A motor for an electric power steering device with an integrated controller (1) includes a motor (2) and a controller (15) which controls driving of the motor (2) and has a metal case, the motor and the controller being formed integrally with each other. The motor (1) is attached to a speed reduction mechanism (23). The motor (2), the controller (15), and the speed reduction mechanism (23) are arranged in this order, in an axial direction, and in substantially coaxial relation with each other. The heat emitted from a driving substrate and the motor can be efficiently transmitted to the speed reduction mechanism.

摘要翻译： 一种具有集成控制器（1）的电动助力转向装置的电动机，包括电动机（2）和控制器（15），控制电动机（2）的驱动并具有金属壳体，电动机和控制器形成为一体 与彼此。 马达（1）安装在减速机构（23）上。 马达（2），控制器（15）和减速机构（23）沿轴向依次排列成大体上同轴的关系。 从驱动基板和马达发出的热能够有效地传递到减速机构。

公开(公告)号：US07932651B2

公开(公告)日：2011-04-26

申请号：US12343614

申请日：2008-12-24

申请人： Kengo Fujimoto ,  Yoshihito Asao ,  Satoru Akutsu ,  Isao Sonoda ,  Kazuhisa Takashima

发明人： Kengo Fujimoto ,  Yoshihito Asao ,  Satoru Akutsu ,  Isao Sonoda ,  Kazuhisa Takashima

IPC分类号： H02K7/00

CPC分类号： B62D5/0406 ,  H02K5/225 ,  H02K7/1166 ,  H02K11/0094 ,  H02K11/21 ,  H02K11/33

摘要： An apparatus is provided for obtaining a compact and inexpensive motor for controller integrated electric power steering apparatus capable of reducing a component for connection and the number of man-hours of assembly, and an electric power steering apparatus. A driving substrate having a power element is arranged in the side of a speed reduction mechanism of the inside of a case of a controller and a control substrate for controlling driving of the driving substrate is arranged in the side of a motor of the inside of the case and a resolver and a lead frame having connection wiring are arranged between a motor shaft direction of the control substrate and the driving substrate and an input-output terminal of the resolver is electrically connected to the control substrate. It is placed substantially coaxially in order of a motor, the controller and a speed reduction mechanism in the motor shaft direction.

摘要翻译： 提供了一种用于获得用于控制器集成电动助力转向装置的紧凑且廉价的电动机的装置，其能够减少用于连接的部件和组装工时数量以及电动助力转向装置。 具有功率元件的驱动基板被布置在控制器的壳体的内部的减速机构的侧面，并且用于控制驱动基板的驱动的控制基板被布置在驱动基板的内部的马达的侧面 壳体和分解器以及具有连接布线的引线框架布置在控制基板的电机轴方向和驱动基板之间，并且旋转变压器的输入输出端子电连接到控制基板。 它以电动机，控制器和电动机轴方向的减速机构的顺序基本上同轴放置。

公开(公告)号：US20100244607A1

公开(公告)日：2010-09-30

申请号：US12541711

申请日：2009-08-14

申请人： Kengo FUJIMOTO ,  Yoshihito Asao ,  Satoru Akutsu ,  Kazuhisa Takashima

发明人： Kengo FUJIMOTO ,  Yoshihito Asao ,  Satoru Akutsu ,  Kazuhisa Takashima

IPC分类号： H02K1/28 ,  H02K15/03

CPC分类号： H02K1/278 ,  Y10T29/49012

摘要： In a rotor of a permanent magnet rotary electric machine, a bonding portion between each of segment shaped magnets and an outer circumference face of a rotor core is provided in axial symmetry with respect to the rotor axial center and has a bonding area equal to or larger than a half of a contact area between each of the segment shaped magnets and the outer circumference face of the rotor core; and a biasing force is applied to an outer circumference face of the segment shaped magnets by a ring.

摘要翻译： 在永久磁铁旋转电机的转子中，每个分段状磁体和转子芯的外周面之间的接合部分相对于转子轴向中心轴向对称设置，并且具有等于或大于 比每个片状磁体和转子芯的外周面之间的接触面积的一半大; 并且通过环将偏置力施加到段状磁体的外周面。

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。