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Invention Grant
US08541919B2 Rotor structure for interior permanent magnet electromotive machine including laminations profiled along a segment of a bridge to define a concave and curved bridge profile 有权
包括用于内部永磁电动机的转子结构，其包括沿桥的一段形成的叠片，以限定凹形和弯曲的桥型

Rotor structure for interior permanent magnet electromotive machine including laminations profiled along a segment of a bridge to define a concave and curved bridge profile
Abstract:
A rotor structure for an interior permanent magnet (IPM) electromotive machine is provided. The rotor structure may include at least one rotor lamination, which in turn may include at least one slot arranged to receive at least one permanent magnet. The slot divides the rotor lamination into a pole region and a yoke region. At least one bridge is arranged to connect the pole region to the yoke region at an outer edge of the lamination. The outer edge of the lamination is profiled along a segment of the bridge to define a concave curved profile for the bridge. The concave curved profile for the bridge allows to selectively size a thickness of the bridge to affect at least some electromagnetic and/or mechanical characteristic of the machine.
Abstract(Chinese):

提供了一种用于内部永磁（IPM）电动机的转子结构。 转子结构可以包括至少一个转子叠片，转子叠片又包括布置成容纳至少一个永磁体的至少一个槽。 槽将转子层叠分为极区域和磁轭区域。 至少一个桥被布置成在层叠的外边缘处将极区域连接到轭区域。 层叠的外边缘沿着桥的一段形状成型，以限定桥的凹形弯曲轮廓。 桥的凹曲面允许选择性地对桥的厚度进行尺寸以影响机器的至少一些电磁和/或机械特性。

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