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    • 9. 发明授权
    • Liquid cooled permanent magnet rotor
    • 液冷永磁转子
    • US08022582B2
    • 2011-09-20
    • US12317812
    • 2008-12-30
    • Matthew W. DamesJonathan M. BaumannPerry G. CruceDavid M. Fee
    • Matthew W. DamesJonathan M. BaumannPerry G. CruceDavid M. Fee
    • H02K9/193
    • H02K9/19H02K1/278H02K1/32Y10T29/49009Y10T29/49012
    • A permanent magnet rotor for an electrical generator includes a rotor shaft and a rotor core mounted coaxially upon the rotor shaft. The rotor core defines a plurality of longitudinal core passages which include a segment of a rotor cooling circuit, and further includes a permanent magnet outer core component mounted on an inner core component and including a plurality of permanent magnets. A cooling liquid containment mechanism for the permanent magnet rotor includes a first liquid containment cover coupled to the inner core component and a second liquid containment cover coupled to the inner core component. The liquid containment covers are configured to contain cooling liquid passed from an inlet segment of the rotor cooling circuit defined by the rotor shaft into the plurality of longitudinal core passages, and thenceforth into an outlet segment of the rotor cooling circuit also defined by the rotor shaft. The liquid containment covers are mounted on the inner core component at locations radially inward of a cylindrical outer surface thereof.
    • 用于发电机的永磁转子包括转子轴和同轴地安装在转子轴上的转子芯。 转子铁芯限定了包括转子冷却回路段的多个纵向芯通道,并且还包括安装在内芯部件上并包括多个永磁体的永磁体外芯部件。 用于永磁转子的冷却液容纳机构包括联接到内芯部件的第一液体容纳盖和联接到内芯部件的第二液体容纳盖。 液体容纳盖被构造成包含从由转子轴限定的转子冷却回路的入口段通过的多个纵向芯通道中的冷却液体,然后进入转子冷却回路的出口段,转子冷却回路也由转子轴 。 液体容纳盖在其圆柱形外表面的径向内侧的位置处安装在内芯部件上。