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    Induction motor with improved torque density
    2.
    发明授权
    Induction motor with improved torque density 有权
    异步电动机

    公开(公告)号：EP2202871B1

    公开(公告)日：2015-05-06

    申请号：EP09015808.0

    申请日：2009-12-21

    申请人： Tesla Motors, Inc.

    发明人： Tang, Yifan

    IPC分类号： H02K17/16 ,  H02K1/16 ,  H02K1/26 ,  H02K17/12 ,  H02K17/20

    CPC分类号： H02K1/165 ,  H02K1/265 ,  H02K17/12 ,  H02K17/20 ,  H02K2213/03

    摘要： An induction motor embodiment includes a stator defining a stator bore, the stator including a stator yoke having a stator yoke thickness and a plurality of stator teeth, the teeth having a common length, with each of the stator teeth including a stator tooth center portion that extends from a stator tooth bottom portion proximal the yoke to a stator tooth tip portion, with adjacent stator teeth defining a stator slot between them, each stator slot having a stator slot bottom that extends along a stator slot bottom length. In the embodiment, the center portion has a stator tooth width that is less than or equal to one half the stator slot bottom length. In the embodiment, the stator tooth width is smaller than a stator slot opening width distance. In the embodiment, a ratio of stator yoke thickness to stator tooth width is at least 5:1. A rotor is rotably mounted in the stator.

    摘要翻译： 感应电动机实施例包括限定定子孔的定子，定子包括具有定子磁轭厚度的定子磁轭和多个定子齿，齿具有公共长度，每个定子齿包括定子齿中心部分，定子齿中心部分 从靠近磁轭的定子齿底部延伸到定子齿顶部分，其中相邻的定子齿在它们之间限定一个定子槽，每个定子槽具有沿定子槽底部长度延伸的定子槽底部。 在该实施例中，中心部分具有小于或等于定子槽底部长度的一半的定子齿宽度。 在本实施例中，定子齿宽小于定子槽开口宽度的距离。 在本实施例中，定子磁轭厚度与定子齿宽的比例至少为5:1。 转子可旋转地安装在定子中。

    Induction motor with improved torque density
    3.
    发明公开
    Induction motor with improved torque density 有权
    异步电动机具有改进的转矩密度

    公开(公告)号：EP2202871A2

    公开(公告)日：2010-06-30

    申请号：EP09015808.0

    申请日：2009-12-21

    申请人： Tesla Motors, Inc.

    发明人： Tang, Yifan

    IPC分类号： H02K17/16

    CPC分类号： H02K1/165 ,  H02K1/265 ,  H02K17/12 ,  H02K17/20 ,  H02K2213/03

    摘要： An induction motor embodiment includes a stator defining a stator bore, the stator including a stator yoke having a stator yoke thickness and a plurality of stator teeth, the teeth having a common length, with each of the stator teeth including a stator tooth center portion that extends from a stator tooth bottom portion proximal the yoke to a stator tooth tip portion, with adjacent stator teeth defining a stator slot between them, each stator slot having a stator slot bottom that extends along a stator slot bottom length. In the embodiment, the center portion has a stator tooth width that is less than or equal to one half the stator slot bottom length. In the embodiment, the stator tooth width is smaller than a stator slot opening width distance. In the embodiment, a ratio of stator yoke thickness to stator tooth width is at least 5:1. A rotor is rotably mounted in the stator.

    Induction motor with improved torque density
    7.
    发明公开
    Induction motor with improved torque density 有权
    异步电动机具有改进的转矩密度

    公开(公告)号：EP2202871A3

    公开(公告)日：2014-04-09

    申请号：EP09015808.0

    申请日：2009-12-21

    申请人： Tesla Motors, Inc.

    发明人： Tang, Yifan

    IPC分类号： H02K17/16 ,  H02K1/16 ,  H02K1/26 ,  H02K17/12 ,  H02K17/20

    CPC分类号： H02K1/165 ,  H02K1/265 ,  H02K17/12 ,  H02K17/20 ,  H02K2213/03

    摘要： An induction motor embodiment includes a stator defining a stator bore, the stator including a stator yoke having a stator yoke thickness and a plurality of stator teeth, the teeth having a common length, with each of the stator teeth including a stator tooth center portion that extends from a stator tooth bottom portion proximal the yoke to a stator tooth tip portion, with adjacent stator teeth defining a stator slot between them, each stator slot having a stator slot bottom that extends along a stator slot bottom length. In the embodiment, the center portion has a stator tooth width that is less than or equal to one half the stator slot bottom length. In the embodiment, the stator tooth width is smaller than a stator slot opening width distance. In the embodiment, a ratio of stator yoke thickness to stator tooth width is at least 5:1. A rotor is rotably mounted in the stator.