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    • 2. 发明授权
    • Rotor for the electric machine
    • 转子为电机
    • US09231445B2
    • 2016-01-05
    • US13982629
    • 2012-02-02
    • Shinya SanoKen TakedaTomohiro InagakiShinichi OtakeTsuyoshi MiyajiYuta WatanabeRyosuke Utaka
    • Shinya SanoKen TakedaTomohiro InagakiShinichi OtakeTsuyoshi MiyajiYuta WatanabeRyosuke Utaka
    • H02K1/27
    • H02K1/27H02K1/2766
    • A rotor (10) for a rotary electric machine has a plurality of magnetic poles (24) provided at intervals, in a circumferential direction, at the outer periphery of a rotor core (12). Each of the magnetic poles (24) has a first permanent magnet (26) buried in the center of the magnetic pole, and a pair of second permanent magnets (28) that are buried on both sides of the first permanent magnet (26) in the circumferential direction, and that are disposed such that a mutual spacing between the pair of the second permanent magnets (28) becomes narrower inward in the radial direction. A narrowest spacing between the pair of second permanent magnets (28) is set to be wider than a longitudinal-direction width of the first permanent magnet (26) in a magnetic path region (30) that is defined by the first permanent magnet (26) and the pair of second permanent magnets (28).
    • 用于旋转电机的转子(10)具有在转子铁心(12)的外周沿圆周方向间隔设置的多个磁极(24)。 每个磁极(24)具有埋在磁极中心的第一永久磁体(26)和埋在第一永磁体(26)的两侧上的一对第二永磁体(28) 周向,并且被设置成使得一对第二永磁体(28)之间的相互间隔在径向方向上向内变窄。 在由第一永久磁铁(26)限定的磁路区域(30)中,一对第二永久磁铁(28)之间的最窄的间隔被设定得比第一永久磁铁(26)的长度方向宽度宽, )和一对第二永磁体(28)。
    • 3. 发明申请
    • ROTOR FOR ELECTRIC MACHINE
    • 电机转子
    • US20130307363A1
    • 2013-11-21
    • US13982629
    • 2012-02-02
    • Shinya SanoKen TakedaTomohiro InagakiShinichi OtakeTsuyoshi MiyajiYuta WatanabeRyosuke Utaka
    • Shinya SanoKen TakedaTomohiro InagakiShinichi OtakeTsuyoshi MiyajiYuta WatanabeRyosuke Utaka
    • H02K1/27
    • H02K1/27H02K1/2766
    • A rotor (10) for a rotary electric machine has a plurality of magnetic poles (24) provided at intervals, in a circumferential direction, at the outer periphery of a rotor core (12). Each of the magnetic poles (24) has a first permanent magnet (26) buried in the center of the magnetic pole, and a pair of second permanent magnets (28) that are buried on both sides of the first permanent magnet (26) in the circumferential direction, and that are disposed such that a mutual spacing between the pair of the second permanent magnets (28) becomes narrower inward in the radial direction. A narrowest spacing between the pair of second permanent magnets (28) is set to be wider than a longitudinal-direction width of the first permanent magnet (26) in a magnetic path region (30) that is defined by the first permanent magnet (26) and the pair of second permanent magnets (28).
    • 用于旋转电机的转子(10)具有在转子铁心(12)的外周沿圆周方向间隔设置的多个磁极(24)。 每个磁极(24)具有埋在磁极中心的第一永久磁体(26)和埋在第一永磁体(26)的两侧上的一对第二永磁体(28) 周向,并且被设置成使得一对第二永磁体(28)之间的相互间隔在径向方向上向内变窄。 在由第一永久磁铁(26)限定的磁路区域(30)中,一对第二永久磁铁(28)之间的最窄的间隔被设定得比第一永久磁铁(26)的长度方向宽度宽, )和一对第二永磁体(28)。
    • 4. 发明授权
    • Rotor for rotary electric machine
    • 旋转电机转子
    • US08957561B2
    • 2015-02-17
    • US13364349
    • 2012-02-02
    • Shinya SanoYuta Watanabe
    • Shinya SanoYuta Watanabe
    • H02K1/27
    • H02K1/2766
    • A plurality of magnetic poles are disposed at intervals, in a circumferential direction, at an outer periphery of a rotor core. Each magnetic pole has a pair of permanent magnets disposed spaced apart from each other in the circumferential direction, and a magnetic flux suppression hole that suppresses flow of magnetic flux and that is formed extending on the inward side in the radial direction, between inner-periphery-side end portions of each permanent magnet. The magnetic flux suppression hole is formed of two first holes respectively communicating with magnet insertion holes into which the permanent magnets are inserted, and a second hole that is formed between the first holes with bridge portions interposed therebetween. An outer-periphery-side end portion of the second hole is positioned further outward than an imaginary straight line that passes through the inner-periphery-side end portions of the pair of permanent magnets.
    • 多个磁极在转子铁心的外周沿周向间隔设置。 每个磁极具有在圆周方向上彼此间隔设置的一对永磁体,以及抑制磁通流动并且在径向内侧延伸形成的磁通抑制孔,内周 的每个永磁体的端部。 磁通抑制孔由分别与永久磁铁插入的磁铁插入孔分别连通的两个第一孔和形成在第一孔之间的第二孔形成,第二孔与插入其间的桥接部分形成。 第二孔的外周侧端部比通过一对永久磁铁的内周侧端部的假想直线更靠外侧。