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    • 3. 发明公开
    • 전동기
    • 发动机
    • KR1020090004451A
    • 2009-01-12
    • KR1020080034623
    • 2008-04-15
    • 파나소닉 주식회사
    • 리후요시카와유이치무라카미히로시
    • H02K16/02H02K1/06
    • H02K16/02H02K29/03
    • An electric motor is provided to improve the output torque while suppressing low compound cogging torque by forming the compound cogging torque by making inner cogging torque and the outer cogging torque remove each other. An electric motor includes a stator(11), an inner rotor(31) and an outer rotor(21). The stator includes a yoke(12), a stator core(15) and a coil. The stator core has a plurality of inner teeth(14) and a plurality of outer teeth(13). The coil is wound around the stator core. The inner rotor faces the cross section of the end of the inner teeth. The inner rotor includes the inner rotor core and a plurality of magnetic poles. The inner rotor core is pivotally maintained around the stator. The outer rotor faces the cross section of the end of the outer teeth through a gap. The outer rotor includes the outer rotor core and the plurality of magnet poles. The outer rotor core is pivotally maintained around the stator.
    • 提供一种电动机,通过使内部齿槽转矩和外部齿槽转矩相互抵消,通过形成复合齿槽转矩来抑制低复合齿槽转矩,从而提高输出转矩。 电动机包括定子(11),内转子(31)和外转子(21)。 定子包括轭(12),定子芯(15)和线圈。 定子铁芯具有多个内齿(14)和多个外齿(13)。 线圈缠绕在定子芯上。 内转子面向内齿端部的横截面。 内转子包括内转子芯和多个磁极。 内转子芯枢转地保持在定子周围。 外转子通过间隙面向外齿端部的横截面。 外转子包括外转子芯和多个磁极。 外转子芯枢转地保持在定子周围。