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    • 12. 发明授权
    • Motor including supporting portion contacting stator
    • 电动机包括支撑部分接触定子
    • US08258670B2
    • 2012-09-04
    • US12262807
    • 2008-10-31
    • Masafumi SakumaTomohiro FukushimaMasayuki Nishimura
    • Masafumi SakumaTomohiro FukushimaMasayuki Nishimura
    • H02K9/16H02K9/00
    • 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。
    • 17. 发明授权
    • Energization control of a switched reluctance motor
    • 开关磁阻电机的通电控制
    • US6157160A
    • 2000-12-05
    • US280701
    • 1999-03-30
    • Akemi OkawaTomohiro FukushimaYuichiro KitamuraXiaoou Ma
    • Akemi OkawaTomohiro FukushimaYuichiro KitamuraXiaoou Ma
    • H02P25/08H02P1/46
    • H02P25/08
    • A switched reluctance motor is provided with multi-phase coils on the stator poles. An energization on angle, a first energization off angle, a second energization off angle and a target value corresponding to an angle of rotation are determined with respect to each coil on the basis of a target torque and a rotation speed. A pair of transistors which act as switching elements are both turned on when the angle of rotation is reached at the energization on angle. One transistor is turned off if a value of an actual current is target value of the current while the angle of rotation is not reached at the first energization off angle. The same transistor is turned off irrespective of the magnitude of the value of the actual current and the target value of the current when the angle of rotation is reached at the first energization off angle. The transistors are both turned off when the angle of rotation is reached at the second energization off angle.
    • 开关磁阻电机在定子极上设有多相线圈。 基于目标转矩和转速,针对每个线圈确定对角度的通电,第一通电关闭角度,第二通电关闭角度和对应于旋转角度的目标值。 作为开关元件的一对晶体管在通电角度达到旋转角时都被接通。 如果实际电流的值是电流的目标值,而在第一通电关闭角度下没有达到旋转角度,则一个晶体管截止。 不管实际电流的值的大小和当在第一通电偏离角达到旋转角时的电流的目标值,相同的晶体管被​​截止。 当在第二通电关闭角度处达到旋转角度时,晶体管都截止。