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    • 3. 发明申请
    • MOTOR
    • 发动机
    • US20090108700A1
    • 2009-04-30
    • US12262807
    • 2008-10-31
    • Masafumi SakumaTomohiro FukushimaMasayuki Nishimura
    • Masafumi SakumaTomohiro FukushimaMasayuki Nishimura
    • H02K1/16
    • H02K1/185
    • A motor includes a stator, a case and a supporting portion. The stator formed by laminating plural disc plates includes a yoke portion having a plurality of first and second portions alternately formed in a circumferential direction of the stator, and plural tooth portions respectively radially protruding from an inner circumferential surface the yoke portion at the second portion of the yoke portion towards an axial center of the stator. The case provided at an outer circumference of the stator includes a first communicating passage extending in an axial direction of the stator to be in communication with both axial ends of the stator and defined by an inner circumferential surface of the case. The supporting portion protrudes from an inner circumferential surface of the first communicating passage towards the stator and contacts an outer surface of the stator at one of the first portions of the stator.
    • 电动机包括定子,壳体和支撑部分。 通过层叠多个盘片而形成的定子包括:磁轭部,其具有在定子的圆周方向上交替形成的多个第一和第二部分,以及分别从第二部分的轭部的内周面径向突出的多个齿部 轭部朝向定子的轴向中心。 设置在定子的外周的壳体包括:第一连通通道,其沿着定子的轴向方向延伸,以与定子的两个轴向端部连通并且由壳体的内周面限定。 所述支撑部从所述第一连通路的内周面朝向所述定子突出,并且在所述定子的所述第一部分之一处与所述定子的外表面接触。
    • 9. 发明申请
    • Three-phase synchronous reluctance motor
    • 三相同步磁阻电机
    • US20060145561A1
    • 2006-07-06
    • US10561215
    • 2004-06-18
    • Masafumi SakumaTomohiro Fukushima
    • Masafumi SakumaTomohiro Fukushima
    • H02K19/00H02K3/00H02K1/00
    • H02K1/276H02K1/16H02K21/14
    • To provide a three-phase synchronous reluctance motor which allows its stator to be formed compact by means of reduction in the width of a part of a back yoke portion of a stator while avoiding excessive increase in the magnetic resistance of the magnetic path of the back yoke portion. The includes a rotor (200) and a stator (100) having a plurality of teeth (103) formed in an inner face thereof along a peripheral direction and in opposition to the rotor (200), six of the teeth being in opposition to one of a plurality of rotor magnetic poles provided in the rotor, the stator having stator windings by a coil pitch corresponding to five teeth of the six teeth. At a position in a back yoke portion (104) of the stator corresponding to a tooth (103) adjacent a tooth located between an adjacent pair of the stator windings which form magnetic poles in a same phase and with different polarities in a three-phase drive mode, there is provided at least one width reducing portion (101) which renders a width of a magnetic path of the back yoke portion (104) of the stator reduced relative to a magnetic patch of the back yoke portion corresponding to the other teeth.
    • 为了提供三相同步磁阻电机,通过减小定子的后磁轭部分的一部分的宽度,使其定子成形得紧凑,同时避免背面磁路的磁阻的过度增加 轭部。 包括转子(200)和定子(100),该定子(100)具有沿圆周方向形成在其内表面上并与转子(200)相对的多个齿(103),六个齿与一个 设置在转子中的多个转子磁极中,定子具有相当于六个齿的五个齿的线圈间距的定子绕组。 在定子的背轭部分(104)中位于相邻于位于相邻一对定子绕组之间的齿(103)的位置处的位置处,所述齿形成相同相位的磁极并具有不同极性的三相 驱动模式,设置有至少一个宽度减小部分(101),其使得定子的后轭部分(104)的磁路的宽度相对于对应于其它齿的后轭部分的磁片减小 。