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1. 发明授权

US06437473B1 Electric motor rotor and a method for producing an electric motor rotor 失效
标题翻译：电动机转子和电动机转子的制造方法
公开(公告)号：US06437473B1
公开(公告)日：2002-08-20
申请号：US09509292
申请日：2000-06-06
申请人： Marcos Romeu Möbius , Luiz Von Dokonal , Claudio Werner De Lima
发明人： Marcos Romeu Möbius , Luiz Von Dokonal , Claudio Werner De Lima
IPC分类号： H02K2112
CPC分类号： H02K1/2766 , Y10T29/49012
摘要： A method of producing the core of an electric motor by providing a stack of laminations of magnetic material. Windows are formed in the laminations for one or more magnetic elements to be placed in each window. Each window has an end edge portion (17) which is to be at the peripheral edge (18) of the lamination of the finished version of the rotor. The laminations originally have an annular radial extension (60-61) and after the core is assembled with end caps, the annular radial extension (60-61) is removed so that the window end edge portions (17) are at the periphery (18) of the laminations. There is a polar peripheral portion (20) between each window and the periphery (18) of the lamination and an intermediate peripheral portion (40) between two adjacent polar peripheral portions, with such intermediate polar portions having reduced electrical conductibility and reduced magnetic permeability.
摘要翻译：一种通过提供磁性材料的叠层的叠层制造电动机的芯的方法。窗口形成在用于一个或多个磁性元件的叠片中以放置在每个窗口中。每个窗口具有端部边缘部分（17），该端部边缘部分将处于转子的成品版本的层叠的周边边缘（18）。叠片最初具有环形径向延伸部（60-61），并且在芯部与端盖组装之后，移除环形径向延伸部（60-61），使得窗口端部边缘部分（17）在外围（18 ）的叠片。在每个窗口和层压体的周边（18）之间存在极性周边部分（20）和两个相邻的极性周边部分之间的中间周边部分（40），这些中间极性部分具有降低的导电性和降低的导磁率。

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