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2. 发明申请

WO2012079752A3 METHOD FOR PRODUCING AN ELECTRIC MOTOR HOUSING PART BLANK AND ELECTRIC MOTOR HOUSING PART 审中-公开
标题翻译：用于生产电动马达外壳部分空白和电动机的外壳部分
公开(公告)号：WO2012079752A3
公开(公告)日：2014-01-09
申请号：PCT/EP2011006309
申请日：2011-12-14
申请人： VOLKSWAGEN AG , BUTZ FRANZ FRIEDRICH , LERCH-THIES JOERG , DUECKER CARSTEN , BECKER HANS-HELMUT , STARK ERHARD
发明人： BUTZ FRANZ FRIEDRICH , LERCH-THIES JOERG , DUECKER CARSTEN , BECKER HANS-HELMUT , STARK ERHARD
IPC分类号： B22C9/10 , B22D15/02 , H02K5/20 , H02K15/00
CPC分类号： B22D15/02 , B22C9/10 , F28F3/12 , F28F21/084 , F28F2210/02 , F28F2255/14 , H02K5/20 , H02K15/00
摘要： The invention relates to a method for producing an electric motor housing part blank, which method comprises at least the following steps: a casting mould, which represents substantially the outer contour of the electric motor housing part blank, is prepared (10). A casting core made of a casting core material, in particular made of a sand or a salt provided with a binding agent is placed in the casting mould (14) before a light metal melt is introduced (16). The casting core (30) represents at least partially a structure of cooling lines (28) in the electric motor housing part blank. The light metal melt is introduced into the mould (16). The solidified electric motor housing part blank is removed from the casting mould (18). An electric motor housing part (22) for an electric motor that comprises a stator part and a rotor part can be obtained, with an inner space (24) for receiving the electric motor, and with a structure of cooling lines (28). Integral moulding of the cooling structure produces an electric motor housing part blank in which good heat transfer is achieved. In this manner the heat dissipation and the efficiency of an electric motor can consequently be significantly increased.
摘要翻译：本发明描述了用于制造电动机壳体部空白，其包括至少以下步骤的方法：提供了一种铸模，其基本上表示所述电动机壳体部空白的外轮廓（10）。从Gießkernmaterial甲铸芯，特别是配备有沙或盐的粘合剂，被熔融的轻金属被填充（16）之前放置在模具（14）。在这种情况下，铸造型芯（30）至少部分地在所述电动马达壳体部件冷却通道（28）的结构为空白。将熔融的轻金属被填充到所述模具（16）。固化的电动机壳体部坯料被从该模具（18）中除去。有用于电动机包括定子部分和转子部分，可用的内部空间（24），用于容纳所述电动马达，并且冷却管道的结构（28）的电动机壳体部分（22）。通过倾倒的冷却结构中，电动机壳体部坯料被创建，其中，良好的热传递实现的。以这种方式，在结果是，散热和电动机的效率可以显著增加。

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