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    • 6. 发明申请
    • ROTATING ELECTRICAL MACHINE
    • 旋转电机
    • US20090261679A1
    • 2009-10-22
    • US12065305
    • 2006-08-31
    • Kazuto SakaiNorio TakahashiMasanori ArataMotoyasu MochizukiMasakatsu MatsubaraYasuo HiranoTakashi Hanai
    • Kazuto SakaiNorio TakahashiMasanori ArataMotoyasu MochizukiMasakatsu MatsubaraYasuo HiranoTakashi Hanai
    • H02K1/27
    • H02K21/14H02K1/276H02K1/2766H02K29/03H02K2213/03
    • An object of the present invention is to provide an internal permanent magnet type rotating electrical machine capable of maintaining compactness and high output and reducing vibration and noise caused by electromagnetic force. The rotating electrical machine of the present invention has an annular stator and a rotor that is arranged inside the stator with an air gap interposed between the stator and the rotor. The stator has a stator iron core provided with a plurality of slots at circumferential intervals and a coil received in each of the slots. The rotor has a rotor iron core, a plurality of permanent magnets embedded in a plurality of magnetic pole forming positions that are set along an outer circumference of the rotor iron core, an iron core section that faces the air gap and is magnetized by the permanent magnets to form a magnetic pole on an air gap fronting face at each of the magnetic pole forming positions, and an axially extending recess formed at a circumferentially central part of the air gap fronting face of each of the iron core sections.
    • 本发明的目的是提供一种能够保持紧凑性和高输出并且减少由电磁力引起的振动和噪声的内部永磁式旋转电机。 本发明的旋转电机具有环形定子和转子,该环形定子和转子配置在定子的内部,并具有夹在定子和转子之间的气隙。 定子具有定子铁心,其设置有周向间隔的多个槽,并且在每个槽中容纳线圈。 转子具有转子铁芯,多个永久磁铁嵌入沿着转子铁芯的外周设置的多个磁极形成位置,铁心部分面向气隙并被永久磁化 磁体,以在每个磁极形成位置上的气隙前面形成磁极,以及形成在每个铁芯部分的气隙前面的周向中心部分的轴向延伸的凹部。
    • 9. 发明申请
    • PERMANENT-MAGNET RELUCTANCE ELECTRICAL ROTARY MACHINE
    • 永磁电机电动机
    • US20080093944A1
    • 2008-04-24
    • US11875529
    • 2007-10-19
    • Norio TAKAHASHIKazuto SakaiMasanori ArataYutaka HashibaWataru ItoMotoyasu MochizukiMikio TakabatakeMasakatsu MatsubaraTakashi Hanai
    • Norio TAKAHASHIKazuto SakaiMasanori ArataYutaka HashibaWataru ItoMotoyasu MochizukiMikio TakabatakeMasakatsu MatsubaraTakashi Hanai
    • H02K21/12H02K1/27H02K1/28
    • H02K1/2766H02K1/246
    • For an electrical reluctance rotary machine, a stator has a winding as an armature, and a rotor has permanent magnet implanting slots provided in a rotor core at lateral sides magnetic poles configured to produce reluctance torque along directions of magnetic flux passing through the magnetic poles to produce reluctance torque, and permanent magnets inserted in the permanent magnet implanting slots so as to cancel magnetic flux of the armature intersecting that magnetic flux, to control a magnetic field leaking at ends of the magnetic poles, having circumferential magnetic concavo-convex. The electrical reluctance rotary machine is configured to meet a relationship, such that 1.6 ≤ P × W pm R ≤ 1.9 where Wpm [mm] is a width of permanent magnet, R [mm] is an outer-diametrical radius of the rotor, and P is the number of poles.
    • 对于电磁旋转机,定子具有作为电枢的绕组,并且转子具有设置在转子芯中的横向磁极上的永磁体注入槽,该磁极被构造成沿着通过磁极的磁通的方向产生磁阻转矩, 产生磁阻转矩,并将永磁体插入到永磁体注入槽中,以抵消与该磁通相交的电枢的磁通量,以控制具有圆周磁性凹凸的磁极端部的磁场泄漏。 电磁旋转机被配置为满足关系,使得 1.6 R <= 1.9 W [mm]是永磁体的宽度,R [mm]是转子的外径半径,P是极数。