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公开(公告)号：US08604658B2
公开(公告)日：2013-12-10
申请号：US12741773
申请日：2008-09-26
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.
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2.发明授权Permanent magnet rotating electric machine and electric power steering device using the same 有权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
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。
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公开(公告)号：US09035505B2
公开(公告)日：2015-05-19
申请号：US12899257
申请日：2010-10-06
CPC分类号： B62D5/0403 , B62D5/0406 , H02K7/1166 , H02K11/225 , H02K11/33 , H02K21/16 , H02K2213/03
摘要： Provided is a motor for an electric power steering apparatus, in which vibrations and noises are suppressed. The motor for an electric power steering apparatus includes: a motor section (1) for outputting an assist torque to a handle of a vehicle; and a controller (2) for controlling driving of the motor section (1). The motor section (1) includes: a rotor (14, 14A) having P poles; and a stator (15, 15A) provided so as to surround the rotor (14, 14A), the stator including: a stator core (23) provided with n slots formed thereon and housed in a frame (4); and three-phase stator windings (25) wound around the slots (22). The controller (2) is provided between a boss (18) and the motor section (1) so as to surround the output shaft (12).
摘要翻译： 提供一种抑制振动和噪声的电动助力转向装置用电动机。 用于电动助力转向装置的电动机包括：电动机部分（1），用于向车辆的手柄输出辅助转矩; 以及用于控制马达部分（1）的驱动的控制器（2）。 电机部分（1）包括：具有P极的转子（14A，14A）; 以及设置成围绕所述转子（14,14A）的定子（15,15A），所述定子包括：定子铁心（23），其设置有形成在其上的n个槽并容纳在框架（4）中; 以及围绕所述槽（22）缠绕的三相定子绕组（25）。 控制器（2）围绕输出轴（12）设置在凸台（18）和马达部分（1）之间。
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公开(公告)号：US08413315B2
公开(公告)日：2013-04-09
申请号：US12569959
申请日：2009-09-30
CPC分类号： H02K1/278 , Y10T29/49012
摘要： A rotor of a rotating electrical machine is provided in which neither deterioration nor fluctuation in the cogging torque is caused and that causes neither physical enlargement nor cost increase. The rotor of a rotating electrical machine, provided with a plurality of magnetic poles 3 that are fixed on a rotor iron core 2 and arranged spaced apart from one another in the circumferential direction of the rotor iron core 2, is characterized by including a tube-shaped non-magnetic ring 4 mounted on the outer circumferential surfaces of the plurality of magnetic poles 3, and characterized in that the non-magnetic ring has a plurality of inner-diameter bulging portions 41 that abut on the corresponding outer circumferential surfaces of the plurality of magnetic poles.
摘要翻译： 提供一种旋转电机的转子，其中不会导致齿槽转矩的劣化或变动，并且不会导致物理扩大或成本增加。 旋转电机的转子，其设置有多个固定在转子铁芯2上且沿转子铁芯2的圆周方向彼此间隔开设置的磁极3，其特征在于， 并且其特征在于，所述非磁性环具有多个内径凸出部41，所述多个内径凸出部41抵接在所述多个磁极3的相应的外周面上 的磁极。
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公开(公告)号：US09054563B2
公开(公告)日：2015-06-09
申请号：US13814602
申请日：2011-02-09
IPC分类号： H02K5/16 , B62D5/04 , F16C25/08 , F16C27/06 , F16C33/58 , H02K5/173 , H02K29/12 , H02K11/00 , H02K5/24
CPC分类号： H02K5/161 , B62D5/0403 , B62D5/0406 , F16C25/083 , F16C27/066 , F16C33/586 , F16C2326/24 , F16C2380/26 , H02K5/1732 , H02K5/24 , H02K29/12
摘要： A motor for an electric power steering device, includes: a housing side bearing which is placed on the output side of a shaft of a rotor placed in a frame, and is supported by a housing connected to the frame; and a frame side bearing which is placed on the opposite output side of the shaft of the rotor, and is composed of an outer ring and an inner ring supported by the frame. The motor is controlled by an electronic control unit which is coaxially placed with the rotor, the motor including: a bearing box which supports the frame side bearing, and is formed with a closed end section between the closed end section and the side of the frame side bearing; an axial elastic body which is placed on the closed end section of the bearing box, and applies a preload in an axial direction to the outer ring of the frame side bearing; and a radial elastic body which is placed on the outer circumferential side of the outer ring of the frame side bearing, and applies a preload in a direction perpendicular to the axial direction.
摘要翻译： 一种用于电动助力转向装置的电动机，包括：壳体侧轴承，其被布置在放置在框架中的转子的轴的输出侧，并且由连接到所述框架的壳体支撑; 以及框架侧轴承，其设置在转子的轴的相对的输出侧，并且由外圈和由框架支撑的内圈构成。 电动机由与转子同轴放置的电子控制单元控制，电动机包括：支撑框架侧轴承的轴承箱，并且在闭合端部与框架侧面之间形成封闭端部 侧轴承 轴向弹性体，其被放置在所述轴承箱的封闭端部，并且沿轴向施加预压力到所述框架侧轴承的外圈; 以及径向弹性体，其设置在框架侧轴承的外圈的外周侧，并且沿与轴向垂直的方向施加预载荷。
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6.发明授权公开(公告)号：US08648513B2
公开(公告)日：2014-02-11
申请号：US12741773
申请日：2008-09-26
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。
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7.发明申请公开(公告)号：US20130221776A1
公开(公告)日：2013-08-29
申请号：US13883944
申请日：2011-05-30
IPC分类号： H02K5/22
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，包括向电动机供电的驱动电路; 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。
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公开(公告)号：US20130140964A1
公开(公告)日：2013-06-06
申请号：US13814602
申请日：2011-02-09
CPC分类号： H02K5/161 , B62D5/0403 , B62D5/0406 , F16C25/083 , F16C27/066 , F16C33/586 , F16C2326/24 , F16C2380/26 , H02K5/1732 , H02K5/24 , H02K29/12
摘要： A motor for an electric power steering device, includes: a housing side bearing which is placed on the output side of a shaft of a rotor placed in a frame, and is supported by a housing connected to the frame; and a frame side bearing which is placed on the opposite output side of the shaft of the rotor, and is composed of an outer ring and an inner ring supported by the frame. The motor is controlled by an electronic control unit which is coaxially placed with the rotor, the motor including: a bearing box which supports the frame side bearing, and is formed with a closed end section between the closed end section and the side of the frame side bearing; an axial elastic body which is placed on the closed end section of the bearing box, and applies a preload in an axial direction to the outer ring of the frame side bearing; and a radial elastic body which is placed on the outer circumferential side of the outer ring of the frame side bearing, and applies a preload in a direction perpendicular to the axial direction.
摘要翻译： 一种用于电动助力转向装置的电动机，包括：壳体侧轴承，其被布置在放置在框架中的转子的轴的输出侧，并且由连接到所述框架的壳体支撑; 以及框架侧轴承，其设置在转子的轴的相对的输出侧，并且由外圈和由框架支撑的内圈构成。 电动机由与转子同轴放置的电子控制单元控制，电动机包括：支撑框架侧轴承的轴承箱，并且在封闭端部与框架侧面之间形成封闭端部 侧轴承 轴向弹性体，其被放置在所述轴承箱的封闭端部，并且沿轴向施加预压力到所述框架侧轴承的外圈; 以及径向弹性体，其设置在框架侧轴承的外圈的外周侧，并且沿与轴向垂直的方向施加预载荷。
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9.发明授权Electric motor apparatus for electric power steering and electric power steering apparatus 有权电动助力转向电动机装置及电动助力转向装置公开(公告)号：US08136623B2
公开(公告)日：2012-03-20
申请号：US12339669
申请日：2008-12-19
IPC分类号： B62D5/04
CPC分类号： B62D5/0406 , H02K5/225 , H02K7/116 , H02K11/33
摘要： An electric motor and a control unit are integrally formed and are placed coaxially with a shaft of a gear box for reducing a speed of rotation of the electric motor and also the control unit is placed between the gear box and the electric motor, and a power feeding part of the electric motor is bonded to a bonding part of the control unit inside a housing or a case through an opening part disposed in the housing and/or the case 24.
摘要翻译： 电动机和控制单元一体地形成并且与齿轮箱的轴同轴地设置，用于减小电动机的旋转速度，并且控制单元设置在齿轮箱和电动机之间，并且功率 电动机的供电部分通过设置在壳体和/或壳体24中的开口部分结合到壳体或壳体内的控制单元的接合部分。
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10.发明授权Electric power steering electric motor apparatus and electric power steering apparatus 有权电动助力转向电动机装置及电动助力转向装置公开(公告)号：US09391486B2
公开(公告)日：2016-07-12
申请号：US13883944
申请日：2011-05-30
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。
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