Rotating electrical machine with different lamination steel kinds and spacing
    2.
    发明授权
    Rotating electrical machine with different lamination steel kinds and spacing 有权
    旋转电机采用不同层压钢种间距

    公开(公告)号:US08174156B2

    公开(公告)日:2012-05-08

    申请号:US13035291

    申请日:2011-02-25

    IPC分类号: H02K9/00 H02K1/02 H02K1/06

    CPC分类号: H02K1/20 H02K1/02 H02K1/16

    摘要: A rotating electrical machine includes: a rotor comprising a rotor core and a field winding wound round the rotor core; and a stator comprising a stator core and a stator winding wound round the stator core. The stator is arranged in opposition to the rotor with a predetermined spacing therebetween. the stator core is formed by punching a split piece, which comprises teeth for insertion of the stator winding thereinto and a core back on an outer periphery thereof, from a magnetic steel sheet, and laminating a plurality of those circular configurations in an axial direction, in which a plurality of the split pieces are arranged in a circle in a circumferential direction. The stator core has magnetic steel sheets, which are different in magnetic permeability in a diametrical direction, laminated at an axial end region of and in an axial central region of the stator core.

    摘要翻译: 旋转电机包括:转子,包括转子芯和围绕转子芯缠绕的励磁绕组; 以及定子,其包括绕定子铁芯缠绕的定子铁芯和定子绕组。 定子与转子相对设置,其间具有预定的间隔。 定子铁芯通过冲压分割片而形成,该分割片包括用于将定子绕组插入其中的齿,并且在其外周上由磁性钢板冲压,并且沿轴向层叠多个这些圆形构造, 其中多个分割片在圆周方向上以圆形排列。 定子铁芯具有在直径方向上的磁导率不同的电磁钢板,层压在定子铁芯的轴向中心区域的轴向端部区域。

    SQUIRREL-CAGE INDUCTION MOTOR
    3.
    发明申请
    SQUIRREL-CAGE INDUCTION MOTOR 有权
    电磁感应电动机

    公开(公告)号:US20110234039A1

    公开(公告)日:2011-09-29

    申请号:US13034659

    申请日:2011-02-24

    IPC分类号: H02K1/06 H02K17/16

    CPC分类号: H02K17/165 H02K2213/03

    摘要: An object of the present invention is to provide a squirrel-cage induction motor with high efficiency. In a squirrel-cage induction motor including a stator in which stator windings are wound in a number of stator slots arranged at intervals in the vicinity of the inner periphery of a stator core and a rotor in which rotor conductors are embedded in a number of rotor slots arranged at intervals in the vicinity of the outer periphery of a rotor core and end rings are provided at both ends of the rotor core, the rotor core is formed of a plurality of blocks, an annular short-circuit ring is provided between respective blocks of the rotor core to short-circuit the rotor conductors, and laminated thickness of the rotor core is made larger than laminated thickness of the stator core.

    摘要翻译: 本发明的目的是提供一种高效率的鼠笼式感应电动机。 在包括定子的鼠笼式感应电动机中,其中定子绕组缠绕在定子芯的内周周围间隔设置的多个定子槽中,转子的转子在其中嵌入多个转子 在转子铁芯的两端设置间隔设置在转子铁心的外周的端部,端环设置在转子铁心的两端,转子铁芯由多个块构成,环状的短路环设置在各块之间 转子芯的短路,使转子芯的层叠厚度大于定子铁芯的层叠厚度。

    ROTATING ELECTRICAL MACHINE
    5.
    发明申请
    ROTATING ELECTRICAL MACHINE 有权
    旋转电机

    公开(公告)号:US20090267428A1

    公开(公告)日:2009-10-29

    申请号:US12428875

    申请日:2009-04-23

    IPC分类号: H02K1/20 H02K1/02

    CPC分类号: H02K1/20 H02K1/02 H02K1/16

    摘要: A rotating electrical machine includes: a rotor comprising a rotor core and a field winding wound round the rotor core; and a stator comprising a stator core and a stator winding wound round the stator core. The stator is arranged in opposition to the rotor with a predetermined spacing therebetween. the stator core is formed by punching a split piece, which comprises teeth for insertion of the stator winding thereinto and a core back on an outer periphery thereof, from a magnetic steel sheet, and laminating a plurality of those circular configurations in an axial direction, in which a plurality of the split pieces are arranged in a circle in a circumferential direction. The stator core has magnetic steel sheets, which are different in magnetic permeability in a diametrical direction, laminated at an axial end region of and in an axial central region of the stator core.

    摘要翻译: 旋转电机包括:转子,包括转子芯和围绕转子芯缠绕的励磁绕组; 以及定子,其包括绕定子铁芯缠绕的定子铁芯和定子绕组。 定子与转子相对设置,其间具有预定的间隔。 定子铁芯通过冲压分割片而形成,该分割片包括用于将定子绕组插入其中的齿,并且在其外周上由磁性钢板冲压,并且沿轴向层叠多个这些圆形构造, 其中多个分割片在圆周方向上以圆形排列。 定子铁芯具有在直径方向上的磁导率不同的电磁钢板,层压在定子铁芯的轴向中心区域的轴向端部区域。

    Squirrel cage induction motor and squirrel cage induction motor driving system
    6.
    发明授权
    Squirrel cage induction motor and squirrel cage induction motor driving system 有权
    鼠笼式感应电动机和鼠笼式感应电动机驱动系统

    公开(公告)号:US08816559B2

    公开(公告)日:2014-08-26

    申请号:US13125492

    申请日:2009-08-20

    IPC分类号: H02K17/16 H02K17/00

    CPC分类号: H02K17/165 H02K1/165

    摘要: A squirrel cage induction motor includes: a stator core (11); a plurality of stator slots (12) radially disposed in a circumferential direction of the stator core (11) with predetermined intervals; a plurality of stator windings (13) housed in the stator slots respectively; a rotor core (21); a plurality of rotor slots (22) radially disposed in a circumferential direction of the rotor core (22) with predetermined intervals; a plurality of rotor conductors (23) housed in the rotor slots (22) respectively. The stator windings (13) and the rotor conductors (23) includes electrically conductive materials mainly composed of copper. An area ratio of a total area of the stator slots (12) to a total area of the rotor slots (22) is not smaller than 2.7 and not greater than 8.0 to provide compatibility between the starting characteristic (starting torque) and the steady characteristic (for a high efficiency) can be provided.

    摘要翻译: 鼠笼式感应电动机包括:定子铁心(11); 多个定子槽(12),其以预定间隔在所述定子铁心(11)的周向径向设置; 分别容纳在所述定子槽中的多个定子绕组(13) 转子芯(21); 多个转子槽(22),其以预定的间隔沿转子芯(22)的圆周方向径向设置; 分别容纳在转子槽(22)中的多个转子导体(23)。 定子绕组(13)和转子导体(23)包括主要由铜组成的导电材料。 定子槽(12)的总面积与转子槽(22)的总面积的面积比不小于2.7且不大于8.0,以提供起动特性(启动转矩)和稳定特性之间的兼容性 (为了高效率)。

    Rotating electrical machine
    7.
    发明授权
    Rotating electrical machine 有权
    旋转电机

    公开(公告)号:US08624462B2

    公开(公告)日:2014-01-07

    申请号:US12428875

    申请日:2009-04-23

    CPC分类号: H02K1/20 H02K1/02 H02K1/16

    摘要: A rotating electrical machine includes: a rotor comprising a rotor core and a field winding wound round the rotor core; and a stator comprising a stator core and a stator winding wound round the stator core. The stator is arranged in opposition to the rotor with a predetermined spacing therebetween. the stator core is formed by punching a split piece, which comprises teeth for insertion of the stator winding thereinto and a core back on an outer periphery thereof, from a magnetic steel sheet, and laminating a plurality of those circular configurations in an axial direction, in which a plurality of the split pieces are arranged in a circle in a circumferential direction. The stator core has magnetic steel sheets, which are different in magnetic permeability in a diametrical direction, laminated at an axial end region of and in an axial central region of the stator core.

    摘要翻译: 旋转电机包括:转子,包括转子芯和围绕转子芯缠绕的励磁绕组; 以及定子,其包括绕定子铁芯缠绕的定子铁芯和定子绕组。 定子与转子相对设置,其间具有预定的间隔。 定子铁芯通过冲压分割片而形成,该分割片包括用于将定子绕组插入其中的齿和在其外周上的芯背从电磁钢板上冲压,并且沿轴向层压多个这些圆形构造, 其中多个分割片在圆周方向上以圆形排列。 定子铁芯具有在直径方向上的磁导率不同的电磁钢板,层压在定子铁芯的轴向中心区域的轴向端部区域。

    Rotor of permanent magnet rotating electric machine
    8.
    发明授权
    Rotor of permanent magnet rotating electric machine 有权
    永磁旋转电机转子

    公开(公告)号:US07880358B2

    公开(公告)日:2011-02-01

    申请号:US12788031

    申请日:2010-05-26

    IPC分类号: H02K1/27

    CPC分类号: H02K1/276

    摘要: A permanent magnet rotating electric machine has a stator provided with a plurality of windings, and a rotor in which magnets are disposed in slots formed in a rotor core along an outer circumference thereof. The rotor core is fixed on a rotary shaft rotating inside the stator, and one magnetic pole is constituted by each group of three or more of the magnets. A total angle occupied by the group of magnets constituting one magnetic pole is in the range of 150 to 165 degrees in terms of an electrical angle.

    摘要翻译: 永磁旋转电机具有设置有多个绕组的定子和沿其外周形成在转子铁心中的槽中的磁体。 转子芯固定在定子内旋转的旋转轴上,一组磁极由三组以上的磁体构成。 构成一个磁极的磁体组占据的总角度在电角度为150〜165度的范围内。

    Rotor of permanent magnet rotating electric machine
    9.
    发明授权
    Rotor of permanent magnet rotating electric machine 有权
    永磁旋转电机转子

    公开(公告)号:US07768171B2

    公开(公告)日:2010-08-03

    申请号:US12169258

    申请日:2008-07-08

    IPC分类号: H02K1/27

    CPC分类号: H02K1/276

    摘要: A permanent magnet rotating electric machine has a stator provided with a plurality of windings, and a rotor in which magnets are disposed in slots formed in a rotor core along an outer circumference thereof. The rotor core is fixed on a rotary shaft rotating inside the stator, and one magnetic pole is constituted by each group of three or more of the magnets. A total angle occupied by the group of magnets constituting one magnetic pole is in the range of 150 to 165 degrees in terms of an electrical angle.

    摘要翻译: 永磁旋转电机具有设置有多个绕组的定子和沿其外周形成在转子铁心中的槽中的磁体。 转子芯固定在定子内旋转的旋转轴上,一组磁极由三组以上的磁体构成。 构成一个磁极的磁体组占据的总角度在电角度为150〜165度的范围内。