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    ELECTRIC MOTOR ASSEMBLY AND MANUFACTURING METHOD THEREOF
    3.
    发明公开
    ELECTRIC MOTOR ASSEMBLY AND MANUFACTURING METHOD THEREOF 有权
    ELEKTROMOTORANORDNUNG UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP2852033A4

    公开(公告)日：2016-03-16

    申请号：EP13791252

    申请日：2013-04-04

    申请人： KOBELCO CONSTR MACH CO LTD

    发明人： NAKAZUMI AKIRA ,  SAIKI SEIJI ,  KOIWAI KAZUSHIGE ,  KARATA YOSHIKI ,  YAMAZAKI YOICHIRO

    IPC分类号： H02K5/22 ,  H02K3/44 ,  H02K5/08 ,  H02K5/10 ,  H02K15/12

    CPC分类号： H02K3/44 ,  H02K3/32 ,  H02K3/38 ,  H02K5/08 ,  H02K5/10 ,  H02K5/225 ,  H02K15/105 ,  H02K15/12

    摘要： Provided are, an electric motor assembly capable of preventing a sealant from leakage through a lead-wire drawing portion, and an electric motor manufacturing method with use of the electric motor assembly. The electric motor assembly includes a rotor (12), a stator (13), a casing (14), a partition wall (21) with through-holes (22), plugs (23) made of a highly elastic material and including a tapered outer peripheral surface to be fitted into the through-holes (22), and lead wires (25) connected to the stator (13). The plugs (23) surround lead-wire insertion holes (24). A sealant (20) is injected into the casing (14) in a state that the lead wires (25) are drawn through the lead-wire insertion holes (24). The injection pressure presses the plugs (23) outwardly to bring the outer peripheral surfaces of the plugs (23) into close contact with the inner peripheral surface surrounding the through-holes (22) and elastically deforms the plugs (23) in a diameter-reduction direction to cause the plugs (23) to close the lead-wire insertion holes (24).

    摘要翻译： 提供一种能够防止密封剂通过引线拉拔部分泄漏的电动机组件和使用电动机组件的电动机制造方法。 电动机组件包括转子（12），定子（13），壳体（14），具有通孔（22）的分隔壁（21），由高弹性材料制成的插塞（23） 锥形外周表面装配到通孔（22）中，以及连接到定子（13）的引线（25）。 插头（23）围绕引线插入孔（24）。 在引线（25）被引出穿过引线插入孔（24）的状态下，将密封剂（20）注入到壳体（14）中。 注射压力向外按压插塞（23），使塞子（23）的外周表面与围绕通孔（22）的内周表面紧密接触，并使塞子（23）弹性变形， 还原方向使插头（23）封闭引线插入孔（24）。

    ELECTRIC MOTOR
    4.
    发明公开
    ELECTRIC MOTOR 有权

    公开(公告)号：EP2947438A4

    公开(公告)日：2015-12-30

    申请号：EP13871511

    申请日：2013-12-20

    申请人： KOBELCO CONSTR MACH CO LTD

    发明人： KOIWAI KAZUSHIGE ,  SAIKI SEIJI

    IPC分类号： G01K7/00 ,  G01K1/18 ,  H02K5/08 ,  H02K11/00

    CPC分类号： H02K11/0047 ,  G01K1/14 ,  G01K13/08 ,  H02K5/08 ,  H02K11/25

    摘要： Provided is an electric motor to be easily assembled while taking the advantages of a retrofitted electric motor, excellent maintenance performance and no fear of damage in a temperature sensitive device due to resin injection pressure. The electric motor includes an electric motor shaft (11), a rotor (12), a stator (13), a housing (14), a sealing body (20) formed of sealant to cover a coil end (19a) of the stator (13), a temperature sensitive device (S), an end cover (15), and a resilient retaining member (22). The electric motor shaft (1) passes through the end cover (15). The sealing body (20) includes a temperature-sensitive-device support surface opposed to the end cover (15). The temperature sensitive device (S) is retained between the end cover (15) and the temperature-sensitive-device support surface while the retaining member (22) is interposed between the temperature sensitive device (S) and the end cover (15).