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公开(公告)号：US08841812B2
公开(公告)日：2014-09-23
申请号：US13034659
申请日：2011-02-24
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。
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2.发明授权Synchronous generator and synchronous generator system for reducing distortion of current waveform 有权同步发电机和同步发电机系统，用于减小电流波形的失真公开(公告)号：US08546991B2
公开(公告)日：2013-10-01
申请号：US12507101
申请日：2009-07-22
申请人： Masanori Sawahata , Kazuo Nishihama , Hiroyuki Mikami , Tetsuo Fujigaki , Motonobu Iizuka , Shuji Mizutani
发明人： Masanori Sawahata , Kazuo Nishihama , Hiroyuki Mikami , Tetsuo Fujigaki , Motonobu Iizuka , Shuji Mizutani
摘要： A synchronous generator 1 including a rotor having a field winding placed in the slots thereof and a stator having an armature winding placed in the slots thereof, wherein the value of the number of slots per two poles in stator minus the number of slots per two poles in rotor is equal to or greater than +9, or equal to or smaller than −9.
摘要翻译： 同步发电机1，其包括具有放置在其槽中的励磁绕组的转子和具有放置在其槽中的电枢绕组的定子，其中定子中每两极的槽数减去每两极的槽数 转子等于或大于+9，或等于或小于-9。
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3.发明申请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：US20110210692A1
公开(公告)日：2011-09-01
申请号：US13125492
申请日：2009-08-20
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）。
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公开(公告)号：US07737593B2
公开(公告)日：2010-06-15
申请号：US12388189
申请日：2009-02-18
IPC分类号： H02K21/22
CPC分类号： H02K1/276 , H02K21/16 , Y02E10/725
摘要： An electric rotation machine for windmill power generation equipped with a stator slot structure having distributed windings and a rotor pole structure having permanent magnets, wherein the number of slots per pole per phase (Nspp) is undividable by 3 times P (where P is the number of poles), and pole width rate Pw obtained by dividing pole piece width Tp by pole pitch Tr at the outermost diameters of the adjoining poles of the rotor is satisfied any of Pw≦0.6, 0.67≦Pw≦0.71, and 0.78≦Pw. The distortion factors of induced voltages in a permanent magnet type electrical rotation machine, particularly for windmill power generation, can be reduced.
摘要翻译： 一种用于风力发电的电动旋转机械，其具有分布绕组的定子槽结构和具有永磁体的转子磁极结构，其中每相极数（Nspp）的槽数不能被P乘以3倍（其中P是数量 以及通过将极靴宽度Tp除以转子相邻极的最外径的极间距Tr获得的极宽度速率Pw满足Pw＆nlE; 0.6,0.67＆amp; nlE; Pw＆nlE; 0.71和0.78＆amp; 普华永道 可以减少永磁式电动旋转机中的感应电压的失真因数，特别是用于风车发电。
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5.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
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）。
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公开(公告)号：US20140049134A1
公开(公告)日：2014-02-20
申请号：US14114297
申请日：2012-05-01
申请人： Hidetoshi Koka , Satoshi Kikuchi , Yutaka Matsunobu , Noriaki Hino , Keiji Oda , Yasuyuki Saito , Manabu Oshida , Kazuo Nishihama
发明人： Hidetoshi Koka , Satoshi Kikuchi , Yutaka Matsunobu , Noriaki Hino , Keiji Oda , Yasuyuki Saito , Manabu Oshida , Kazuo Nishihama
IPC分类号： H02K17/16
CPC分类号： H02K17/165 , H02K17/205
摘要： Induction electrical rotating machine includes a stator which has plural stator slots 114 formed at a predetermined spacing in a circumferential direction of a stator iron core 111 and in which a stator winding 120 is accommodated in the plural stator slots 114, and a rotor 130 in which a rotor bar 132 extending in an axial direction of the rotor iron core 111 is provided in a plural number at a spacing in a circumferential direction and in which a pair of end rings that shorts the plural rotor bars 132 at ends in the axial direction is provided. A shape of a stator-side end, of a sectional shape within a plane orthogonal to a rotor axial direction of the rotor bar 132, is asymmetrical and a notch 133 is formed.
摘要翻译： 感应旋转电机包括定子，该定子具有多个定子槽114，该定子槽114沿定子铁芯111的圆周方向以预定的间隔形成，定子绕组120容纳在多个定子槽114中，转子130中 在转子铁芯111的轴向上延伸的转子条132沿圆周方向间隔设置多个，并且在轴向的端部使多个转子杆132短路的一对端环为 提供。 在与转子杆132的转子轴向正交的平面内的截面形状的定子侧端部的形状是不对称的，并且形成有切口133。
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公开(公告)号：US20090160284A1
公开(公告)日：2009-06-25
申请号：US12388189
申请日：2009-02-18
CPC分类号： H02K1/276 , H02K21/16 , Y02E10/725
摘要： An electric rotation machine for windmill power generation equipped with a stator slot structure having distributed windings and a rotor pole structure having permanent magnets, wherein the number of slots per pole per phase (Nspp) is undividable by 3 times P (where P is the number of poles), and pole width rate Pw obtained by dividing pole piece width Tp by pole pitch Tr at the outermost diameters of the adjoining poles of the rotor is satisfied any of Pw≦0.6, 0.67≦Pw≦0.71, and 0.78≦Pw. The distortion factors of induced voltages in a permanent magnet type electrical rotation machine, particularly for windmill power generation, can be reduced.
摘要翻译： 一种用于风力发电的电动旋转机械，其具有分布绕组的定子槽结构和具有永磁体的转子磁极结构，其中每相极数（Nspp）的槽数不能被P乘以3倍（其中P是数量 的极点）和通过将极靴宽度Tp除以转子相邻极的最外径处的极间距Tr获得的极宽度速率Pw满足Pw <= 0.6,0.67 <= Pw <= 0.71和0.78中的任一个 <= Pw。 可以减少永磁式电动旋转机中的感应电压的失真因数，特别是用于风车发电。
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公开(公告)号：US07498707B2
公开(公告)日：2009-03-03
申请号：US11356111
申请日：2006-02-17
IPC分类号： H02K21/12
CPC分类号： H02K1/276 , H02K21/16 , Y02E10/725
摘要： An electric rotation machine for windmill power generation equipped with a stator slot structure having distributed windings and a rotor pole structure having permanent magnets, wherein the number of slots per pole per phase (Nspp) is undividable by 3 times P (where P is the number of poles), and pole width rate Pw obtained by dividing pole piece width Tp by pole pitch Tr at the outermost diameters of the adjoining poles of the rotor is satisfied any of Pw≦0.6, 0.67≦Pw≦0.71, and 0.78≦Pw. The distortion factors of induced voltages in a permanent magnet type electrical rotation machine, particularly for windmill power generation, can be reduced.
摘要翻译： 一种用于风力发电的电动旋转机械，其具有分布绕组的定子槽结构和具有永磁体的转子磁极结构，其中每相极数（Nspp）的槽数不能被P乘以3倍（其中P是数量 的极点）和通过将极靴宽度Tp除以转子相邻极的最外径处的极间距Tr获得的极宽度速率Pw满足Pw <= 0.6,0.67 <= Pw <= 0.71和0.78中的任一个 <= Pw。 可以减少永磁式电动旋转机中的感应电压的失真因数，特别是用于风车发电。
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公开(公告)号：US20080238235A1
公开(公告)日：2008-10-02
申请号：US12019680
申请日：2008-01-25
申请人： Akeshi TAKAHASHI , Satoshi Kikuchi , Hiroyuki Mikami , Kazuo Nishihama , Tomio Yoshikawa , Baiying Huang
发明人： Akeshi TAKAHASHI , Satoshi Kikuchi , Hiroyuki Mikami , Kazuo Nishihama , Tomio Yoshikawa , Baiying Huang
IPC分类号： H02K21/00
摘要： A self-starting permanent magnet synchronous motor which demonstrates satisfactory acceleration performance even at a reduced supply voltage or with an increased load torque, and a compressor using the same. The motor comprises a stator having a stator winding and a rotor having a cage winding and a permanent magnet on the rotor core. The torque component generated by the cage winding is maximal at 1 in the slip range of 0 to 1.
摘要翻译： 即使在降低的电源电压或增加的负载转矩的情况下也能够显示令人满意的加速性能的自启动永久磁铁同步电动机以及使用该永磁同步电动机的压缩机。 电动机包括具有定子绕组的定子和具有笼式绕组的转子和在转子芯上的永磁体。 由笼式绕组产生的扭矩分量在0到1的滑移范围内最大为1。
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公开(公告)号：US07129613B2
公开(公告)日：2006-10-31
申请号：US11074745
申请日：2005-03-09
IPC分类号： H02K17/16
CPC分类号： H02K17/165
摘要： A rotor conductor upper portion positioned near to an outer periphery of a rotor has a trapezoidal, cross sectional shape, a rotor conductor lower portion positioned nearer to a center of the rotor than the rotor conductor upper portion has a rectangular, cross sectional shape, and the rotor conductor upper portion has a height h1=27 mm or more in the case where rotor conductors are made of brass, and a height h1=7 mm or more in the case where the rotor conductors are made of copper.
摘要翻译： 位于转子的外周附近的转子导体上部具有梯形截面形状，与转子导体上部具有矩形横截面形状相比位于转子中心更靠近转子的转子导体下部，以及 转子导体上部在转子导体由黄铜制成的情况下的高度h 1 = 27mm以上，在转子导体为铜的情况下的高度h 1 = 7mm以上。
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