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    Power tool having improved motor fan assembly
    1.
    发明授权
    Power tool having improved motor fan assembly 有权
    电动工具具有改进的电机风扇组件

    公开(公告)号：EP2835894B1

    公开(公告)日：2017-06-21

    申请号：EP14180380.9

    申请日：2014-08-08

    申请人： Black & Decker Inc.

    发明人： Osborne, Stephen P. ,  Heck, Daniel, F ,  Crosby, Colin ,  Schroeder, Ryan, F ,  Gohn, Barak, N ,  Spencer, William, M

    IPC分类号： H02K3/52 ,  H02K9/06 ,  H02K9/28 ,  H02K3/38 ,  H02K5/14 ,  H02K5/18 ,  H02K7/14

    CPC分类号： H02K7/145 ,  H01R39/381 ,  H01R39/385 ,  H02K3/38 ,  H02K3/527 ,  H02K5/148 ,  H02K5/18 ,  H02K7/085 ,  H02K9/04 ,  H02K9/06 ,  H02K9/28 ,  H02K13/00 ,  H02K13/10

    摘要： An electric motor is provided including: a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly defines a first surface facing the stator and a second surface opposite the first surface. The brush assembly includes a brush card mount having openings, brushes in sliding contact with the commutator to supply electric current to the commutator, and thermally-conductive brush holders that house the brushes. Each of the brush holders includes a base portion disposed substantially along a same plane as a surface of the brush card mount to form the first surface of the brush assembly, and a main portion protruding from the base portion through a respective opening of the brush card mount to house a respective brush at least partially over the second surface of the brush assembly.

    摘要翻译： 提供了一种电动机，包括：定子，可转动地容纳在定子内并具有电枢轴的电枢以及电刷组件，电枢轴上安装有换向器。 刷组件限定面向定子的第一表面和与第一表面相对的第二表面。 电刷组件包括具有开口的电刷卡座，与换向器滑动接触以向换向器提供电流的电刷以及容纳电刷的导热刷架。 每个电刷支架包括：基部，该基部基本上沿着与电刷卡支架的表面相同的平面设置以形成电刷组件的第一表面;以及主部分，该主部分从基部突出穿过电刷卡的相应开口 安装以至少部分地在刷组件的第二表面上方容纳相应的刷子。

    Power tool having improved motor fan assembly
    2.
    发明公开
    Power tool having improved motor fan assembly 有权
    电子邮件

    公开(公告)号：EP2835894A2

    公开(公告)日：2015-02-11

    申请号：EP14180380.9

    申请日：2014-08-08

    申请人： Black & Decker Inc.

    发明人： Osborne, Stephen P. ,  Heck, Daniel, F ,  Crosby, Colin ,  Schroeder, Ryan, F ,  Gohn, Barak, N ,  Spencer, William, M

    IPC分类号： H02K9/06

    CPC分类号： H02K7/145 ,  H01R39/381 ,  H01R39/385 ,  H02K3/38 ,  H02K3/527 ,  H02K5/148 ,  H02K5/18 ,  H02K7/085 ,  H02K9/04 ,  H02K9/06 ,  H02K9/28 ,  H02K13/00 ,  H02K13/10

    摘要： An electric motor includes a stator, an armature shaft rotatable with respect to the stator, and a lamination stack mounted on the armature shaft and having radially extending teeth forming slots therebetween circumferentially around a periphery of the lamination stack. An armature end insulator is provided at an end of the lamination stack having a base portion fitted around the armature shaft and insulating teeth corresponding to the radially extending teeth of the lamination stack and forming slots therebetween. Motor coils are wound in the lamination stack slots and the end insulator slots. The motor further includes a fan having blades attached to a fan ring and mounted to an end of the lamination stack. The fan ring includes longitudinally-extending tongues arranged to be mounted at the end of the lamination stack and the end insulator includes a plurality of longitudinally-extending notches corresponding to the tongues of the fan ring to allow the tongues to be in direct contact with the end of the lamination stack.

    摘要翻译： 电动机包括定子，可相对于定子旋转的电枢轴和安装在电枢轴上的并具有径向延伸的齿的叠片，其周向地围绕叠片的周边形成槽。 电枢端绝缘体设置在叠片堆叠的端部，其底部部分装配在电枢轴上，绝缘齿对应于层压叠层的径向延伸的齿，并在其间形成槽。 电机线圈缠绕在叠片堆叠槽和端绝缘体槽中。 电动机还包括具有附接到风扇环并且安装到层压叠层的端部的叶片的风扇。 风扇环包括纵向延伸的舌片，其布置成安装在叠片堆叠的端部处，并且端部绝缘体包括与风扇环的舌片相对应的多个纵向延伸的凹口，以允许舌片与舌片直接接触 层叠叠层的端部。

    Overmolded stator assembly lamination stack for a power tool
    3.
    发明公开
    Overmolded stator assembly lamination stack for a power tool 审中-公开
    用于动力工具的包覆成型定子组件叠片叠层

    公开(公告)号：EP2608369A3

    公开(公告)日：2017-08-09

    申请号：EP12198615.2

    申请日：2012-12-20

    申请人： Black & Decker Inc.

    发明人： Crosby, Colin ,  Osborne, Stephen P. ,  Zhang, Jiaqi ,  Schroeder, James D ,  Smith, David J.

    IPC分类号： H02K1/17 ,  H02K7/14

    CPC分类号： H02K1/17 ,  H02K7/145

    摘要： A power tool is provided, including a housing, a permanent magnet electric motor in the housing, and an output member coupled to the electric motor. The electric motor includes a rotor and a stator with at least a North pole and a South pole. The stator includes a lamination stack having loose laminations held together via an overmolded resin. The overmolded resin include a longitudinal overmold layer covering at least a portion of at least one of an inner or outer surfaces of the lamination stack, and two end cap portions extending laterally from the ends of the longitudinal overmold layer to firmly cover ends of the lamination stack.

    摘要翻译： 提供了一种动力工具，该动力工具包括壳体，壳体中的永磁电动机以及联接到电动机的输出构件。 该电动机包括具有至少一个北极和一个南极的转子和定子。 定子包括具有通过包覆成型树脂保持在一起的松散叠片的叠片组。 包覆模制树脂包括覆盖叠片堆的内表面或外表面中的至少一个的至少一部分的纵向包覆成型层和从纵向包覆成型层的端部横向延伸以牢固地覆盖叠层的端部的两个端盖部分 叠加。

    Stator assembly having embedded magnets for a power tool
    4.
    发明公开
    Stator assembly having embedded magnets for a power tool 审中-公开
    具有用于动力工具的嵌入式磁体的定子组件

    公开(公告)号：EP2608361A3

    公开(公告)日：2017-08-09

    申请号：EP12198351.4

    申请日：2012-12-20

    申请人： Black & Decker Inc.

    发明人： Crosby, Colin ,  Osborne, Stephen, P. ,  Zhang, Jiaqi ,  Schroeder, Ryan F. ,  Smith, David J.

    IPC分类号： H02K1/17 ,  H02K7/14

    CPC分类号： H02K1/17 ,  H02K7/145

    摘要： A power tool is provided, including a housing, a permanent magnet electric motor in the housing, and an output member coupled to the electric motor. The electric motor includes a rotor and a stator with at least a North pole and a South pole. The stator includes a lamination stack of identically-shaped magnetically-conductive laminations with the identically-shaped pockets stamped therein and secured together in alignment to form the at least one magnet pocket at each pole. Each magnet pocket is contained within the lamination stack distanced from the inner and outer surfaces of the lamination stack. The stator further including at least one permanent magnet embedded within each magnet pocket of each pole.

    摘要翻译： 提供了一种动力工具，该动力工具包括壳体，壳体中的永磁电动机以及联接到电动机的输出构件。 该电动机包括具有至少一个北极和一个南极的转子和定子。 该定子包括具有相同形状的导磁叠片的叠片，其中冲压成相同形状的凹穴并且对齐地固定在一起以在每个磁极处形成至少一个磁体凹穴。 每个磁体袋被包含在叠片堆叠内，与叠片堆叠的内表面和外表面间隔开。 定子还包括嵌入每个极的每个磁体袋内的至少一个永磁体。

    Brush assembly for an electric motor
    5.
    发明公开
    Brush assembly for an electric motor 审中-公开
    Bürstenanordnungfüreinen elektrischen电机

    公开(公告)号：EP2835898A3

    公开(公告)日：2016-01-27

    申请号：EP14180413.8

    申请日：2014-08-08

    申请人： Black & Decker Inc.

    发明人： Osborne, Stephen P. ,  Heck, Daniel, F ,  Crosby, Colin ,  Schroeder, Ryan, F ,  Gohn, Barak, N ,  Spencer, William, M

    IPC分类号： H02K9/28

    CPC分类号： H02K7/145 ,  H01R39/381 ,  H01R39/385 ,  H02K3/38 ,  H02K3/527 ,  H02K5/148 ,  H02K5/18 ,  H02K7/085 ,  H02K9/04 ,  H02K9/06 ,  H02K9/28 ,  H02K13/00 ,  H02K13/10

    摘要： An electric motor is provided including: a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly defines a first surface facing the stator and a second surface opposite the first surface. The brush assembly includes a brush card mount having openings, brushes in sliding contact with the commutator to supply electric current to the commutator, and thermally-conductive brush holders that house the brushes. Each of the brush holders includes a base portion disposed substantially along a same plane as a surface of the brush card mount to form the first surface of the brush assembly, and a main portion protruding from the base portion through a respective opening of the brush card mount to house a respective brush at least partially over the second surface of the brush assembly.

    摘要翻译： 提供一种电动机，包括：定子，可转动地容纳在定子内的电枢，具有安装换向器的电枢轴和电刷组件。 刷组件限定面向定子的第一表面和与第一表面相对的第二表面。 刷组件包括具有开口的刷卡安装座，与换向器滑动接触以向换向器提供电流的刷子，以及容纳刷子的导热刷架。 每个电刷架包括基本上沿着与刷卡座的表面相同的平面布置以形成刷组件的第一表面的基部，以及从基部穿过刷卡的相应开口突出的主要部分 安装以至少部分地在电刷组件的第二表面上容纳相应的刷子。

    Electric motor
    7.
    发明公开
    Electric motor 审中-公开
    Elektromotor

    公开(公告)号：EP2835891A3

    公开(公告)日：2016-01-27

    申请号：EP14180417.9

    申请日：2014-08-08

    申请人： Black & Decker Inc.

    发明人： Osbourne, Stephen, P ,  Heck, Daniel, F ,  Crosby, Colin ,  Schroeder, Ryan, F ,  Gohn, Barak, N

    IPC分类号： H02K5/14

    CPC分类号： H02K7/145 ,  H01R39/381 ,  H01R39/385 ,  H02K3/38 ,  H02K3/527 ,  H02K5/148 ,  H02K5/18 ,  H02K7/085 ,  H02K9/04 ,  H02K9/06 ,  H02K9/28 ,  H02K13/00 ,  H02K13/10

    摘要： An electric motor is provided including a stator and an armature rotatably received within the stator, the armature having an armature shaft on which a commutator is mounted. The motor also includes a brush assembly having a brush card mount disposed around the commutator, a brush holder mounted on a surface of the brush card mount, and a brush disposed within the brush holder in sliding contact with the commutator to supply electric current to the commutator. A back surface of the brush includes at least one curved surface and a groove. A torsion spring is secured to the brush card mount adjacent the brush holder, the spring having a leg arranged to engage the groove of the back surface of the brush.

    摘要翻译： 提供一种电动机，包括：定子，可转动地容纳在定子内的电枢，具有安装换向器的电枢轴和电刷组件。 刷组件限定面向定子的第一表面和与第一表面相对的第二表面。 刷组件包括具有开口的刷卡安装座，与换向器滑动接触以向换向器提供电流的刷子，以及容纳刷子的导热刷架。 每个电刷架包括基本上沿着与刷卡座的表面相同的平面布置以形成刷组件的第一表面的基部，以及从基部穿过刷卡的相应开口突出的主要部分 安装以至少部分地在电刷组件的第二表面上容纳相应的刷子。

    Stator assembly having embedded magnets for a power tool
    8.
    发明公开
    Stator assembly having embedded magnets for a power tool 审中-公开
    Statoranordnung mit eingebetteten Magnetenfürein Elektrowerkzeug

    公开(公告)号：EP2608361A2

    公开(公告)日：2013-06-26

    申请号：EP12198351.4

    申请日：2012-12-20

    申请人： Black & Decker Inc.

    发明人： Crosby, Colin ,  Osborne, Stephen, P. ,  Zhang, Jiaqi ,  Schroeder, Ryan F. ,  Smith, David J.

    IPC分类号： H02K1/17

    CPC分类号： H02K1/17 ,  H02K7/145

    摘要： A power tool is provided, including a housing, a permanent magnet electric motor in the housing, and an output member coupled to the electric motor. The electric motor includes a rotor and a stator with at least a North pole and a South pole. The stator includes a lamination stack of identically-shaped magnetically-conductive laminations with the identically-shaped pockets stamped therein and secured together in alignment to form the at least one magnet pocket at each pole. Each magnet pocket is contained within the lamination stack distanced from the inner and outer surfaces of the lamination stack. The stator further including at least one permanent magnet embedded within each magnet pocket of each pole.

    摘要翻译： 提供了一种电动工具，包括壳体，壳体中的永磁电动机以及耦合到电动机的输出构件。 电动机包括至少具有北极和南极的转子和定子。 定子包括具有相同形状的导磁叠片的叠层叠片，其中相同形状的凹穴被压印在其中并且对准地固定在一起以在每个极处形成至少一个磁体袋。 每个磁体袋包含在层叠叠片内，与层压叠层的内表面和外表面间隔开。 定子还包括嵌入每个磁极的每个磁体槽内的至少一个永磁体。