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    • 4. 发明授权
    • Core, rotating machine using the core and production method thereof
    • 核心,旋转机采用核心及其生产方法
    • US06806615B2
    • 2004-10-19
    • US10107312
    • 2002-03-28
    • Yuuji EnomotoMasashi KitamuraToshimi AbukawaYuji Takagai
    • Yuuji EnomotoMasashi KitamuraToshimi AbukawaYuji Takagai
    • H02K100
    • H02K15/022H02K1/148H02K1/187H02K15/095
    • A core has an annular inner core portion, a rib-shaped core portion extending radially from the annular inner core portion and an outer peripheral core portion. Magnetic pole tooth portions are formed in an annular shape on the outer periphery of the rib-shaped core portion, and the core is composed of a plurality of core blocks having the same shapes as blocks formed by dividing the core in circumferential direction. Each of the plurality of core blocks has a concave/convex engage portion at an inner peripheral portion corresponding to the inner periphery of the annular inner core portion, and the plurality of core blocks gathered so as to form the core are fastened each other by a cylindrical housing having an outer surface formed in concave/convex shape, inserted in the inner peripheral portion so as to engage with each other at the concave/convex engage portions, and changed in diameter relative to the core blocks due to thermal shrinkage or expansion of the cylindrical housing, so that the core blocks are tightly fitted to each other without any gap between adjacent core blocks.
    • 芯具有环形内芯部,从环形内芯部分径向延伸的肋状芯部和外周芯部。 磁极齿部在肋状芯部的外周形成为环状,并且芯由具有与在圆周方向上分割芯形成的块相同形状的多个芯块构成。 所述多个芯块中的每一个在与所述环形内芯部的内周对应的内周部分具有凹凸接合部,并且聚集成形成所述芯的所述多个芯块彼此紧固 圆柱形壳体具有形成为凹/凸形状的外表面,插入在内周部分中以在凹/凸接合部分彼此接合,并且由于热收缩或膨胀而相对于芯块变化 圆柱形壳体,使得芯块彼此紧密配合,而相邻芯块之间没有任何间隙。