会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • PERMANENT MAGNET ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING APPARATUS USING THE SAME
    • 永久磁铁旋转电机及电动转向装置
    • US20120139372A1
    • 2012-06-07
    • US13390305
    • 2009-11-24
    • Masatsugu NakanoToshihiro MatsunagaKazuhisa TakashimaSatoru AkutsuYusuke Morita
    • Masatsugu NakanoToshihiro MatsunagaKazuhisa TakashimaSatoru AkutsuYusuke Morita
    • H02K21/12H02K7/116
    • H02K1/148H02K29/03H02K2213/03
    • 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 having a rotor core and plural magnetic poles formed of permanent magnets provided to the rotor core, and a stator having plural teeth opposing the plural magnetic poles, 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 permanent magnet rotating electrical machine is configured in such a manner that 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
    • 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。 一种永久磁铁式旋转电机,具有:转子铁心和设置在转子铁芯上的永久磁铁形成的多个磁极的转子,以及具有与上述多个磁极相对的多个齿的定子,具有槽, 缠绕在齿上的电枢绕组线,以及在定子芯的轴向方向上与转子相对的部分设置到齿的补充槽。 永久磁铁旋转电机的构成是,在定子铁芯的轴向的一部分中,向定子设置补充槽,使P为数量的磁极(极数) 并且S是时隙的数量(时隙数),则建立0.75
    • 7. 发明申请
    • PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING DEVICE
    • 永磁电机类型旋转电机和电动转向装置
    • US20100244605A1
    • 2010-09-30
    • US12741773
    • 2008-09-26
    • Masatsugu NakanoKazuhisa TakashimaSatoru AkutsuYoshihito Asao
    • Masatsugu NakanoKazuhisa TakashimaSatoru AkutsuYoshihito Asao
    • H02K1/27
    • H02K1/278B62D5/0403H02K1/2746H02K21/14H02K29/03
    • 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.
    • 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。
    • 8. 发明授权
    • Permanent magnet type rotating electrical machine and electric power steering device
    • 永磁式旋转电机和电动助力转向装置
    • US08648513B2
    • 2014-02-11
    • US12741773
    • 2008-09-26
    • Masatsugu NakanoKazuhisa TakashimaSatoru AkutsuYoshihito Asao
    • Masatsugu NakanoKazuhisa TakashimaSatoru AkutsuYoshihito Asao
    • H02K1/27
    • H02K1/278B62D5/0403H02K1/2746H02K21/14H02K29/03
    • 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.
    • 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。
    • 10. 发明申请
    • MOTOR FOR ELECTRIC POWER STEERING DEVICE
    • 电动转向装置用电动机
    • US20130140964A1
    • 2013-06-06
    • US13814602
    • 2011-02-09
    • Toshihiro MatsunagaYoshihito AsaoSatoru AkutsuKazuhisa Takashima
    • Toshihiro MatsunagaYoshihito AsaoSatoru AkutsuKazuhisa Takashima
    • H02K5/16H02K11/00
    • H02K5/161B62D5/0403B62D5/0406F16C25/083F16C27/066F16C33/586F16C2326/24F16C2380/26H02K5/1732H02K5/24H02K29/12
    • 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.
    • 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。