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1.发明授权Busbar unit, electric motor and electrohydraulic power steering system furnished with the busbar unit, and method of manufacturing the busbar unit 有权母线单元，电动马达和电动液压动力转向系统配备母线单元，以及制作母线单元的方法公开(公告)号：US07588444B2
公开(公告)日：2009-09-15
申请号：US11669949
申请日：2007-02-01
IPC分类号： H01R12/00
CPC分类号： H05K1/0263 , H02K3/50 , H02K5/225 , H02K11/215 , H02K11/33 , H05K3/3447 , H05K2201/10272 , H05K2201/10303 , H05K2201/10977
摘要： A busbar unit for attachment to on an electric-motor armature is furnished with: busbars having terminals for supplying drive current to the armature; a plurality of connecting pins each of approximately J-shaped metal; a busbar holder retaining the busbars and the connecting pins; and a circuit board disposed on the upper side of the busbar holder, and in which a sealant injection port and an air-bleeding hole are formed.
摘要翻译： 用于附接到电动机电枢上的汇流条单元配备有：具有用于向电枢提供驱动电流的端子的母线; 多个连接销，每个大致J形金属; 保持母线和连接引脚的母线夹; 以及设置在汇流条保持器的上侧的电路板，其中形成有密封剂注入口和排气孔。
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2.发明申请公开(公告)号：US20070178723A1
公开(公告)日：2007-08-02
申请号：US11669949
申请日：2007-02-01
IPC分类号： H05K1/00
CPC分类号： H05K1/0263 , H02K3/50 , H02K5/225 , H02K11/215 , H02K11/33 , H05K3/3447 , H05K2201/10272 , H05K2201/10303 , H05K2201/10977
摘要： A busbar unit for attachment to on an electric-motor armature is furnished with: busbars having terminals for supplying drive current to the armature; a plurality of connecting pins each of approximately J-shaped metal; a busbar holder retaining the busbars and the connecting pins; and a circuit board disposed on the upper side of the busbar holder, and in which a sealant injection port and an air-bleeding hole are formed.
摘要翻译： 用于附接到电动机电枢上的汇流条单元配备有：具有用于向电枢提供驱动电流的端子的母线; 多个连接销，每个大致J形金属; 保持母线和连接引脚的母线夹; 以及设置在汇流条保持器的上侧的电路板，其中形成有密封剂注入口和排气孔。
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公开(公告)号：US07595572B2
公开(公告)日：2009-09-29
申请号：US11758260
申请日：2007-06-05
CPC分类号： H02K3/522 , H02K11/225 , H02K29/12 , H02K2203/09 , H02K2203/12 , Y10T29/49009
摘要： A motor includes a stator including a core back having a circular or substantially circular shape, a plurality of tooth portions extending radially inwardly from the core back, a plurality of insulators covering the tooth portions, a plurality of coils formed by winding wires around the tooth portions via the insulators. The motor also includes a bus bar arranged axially above the stator. The bus bar supports a first conductor plate having a plurality of first terminals to which first end portions of the wires from each phases of the coils are connected. The insulators include a guiding groove and support therein the second conductor plate to which second end portions of the wires are connected. Through the second conductor plate, the second end portions of the wires are connected to the neutral point.
摘要翻译： 一种电动机包括具有圆形或大致圆形形状的芯背的定子，从芯背部径向向内延伸的多个齿部，覆盖齿部的多个绝缘体，通过围绕齿缠绕而形成的多个线圈 部分通过绝缘子。 马达还包括沿定子轴向设置的母线。 母线支撑具有多个第一端子的第一导体板，线圈的每个相的线的第一端部连接到该第一导体板。 绝缘体包括引导槽和支撑在其中第二导体板的第二端部连接到第二导体板。 通过第二导体板，电线的第二端部连接到中性点。
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公开(公告)号：US07737587B2
公开(公告)日：2010-06-15
申请号：US12039819
申请日：2008-02-29
申请人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
发明人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
IPC分类号： H02K11/00
摘要： A motor having a busbar unit which is accommodated in a housing along with an armature includes a relay wherein the connection between the armature and the relay is secured. By virtue of such a configuration, reliability of the connection between the armature and the relay is improved. In the busbar unit, a plurality of first busbars and a plurality of second busbars each having a substantially arcuate shape are arranged so as to be circumferentially spaced apart from one another. The first busbars do not overlap with the second busbars in the axial and radial directions thereby reducing the dimensions of the motor in the axial and radial directions.
摘要翻译： 具有与电枢一起容纳在壳体中的母线单元的电动机包括固定电枢和继电器之间的连接的继电器。 通过这样的结构，电枢和继电器之间的连接的可靠性提高。 在母线单元中，多个第一母线和多个具有大致圆弧形状的第二母线布置成沿周向间隔开。 第一母线在轴向和径向方向上不与第二母线重叠，从而在轴向和径向方向上减小电动机的尺寸。
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公开(公告)号：US07589443B2
公开(公告)日：2009-09-15
申请号：US12039825
申请日：2008-02-29
申请人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
发明人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
IPC分类号： H02K11/00
CPC分类号： H02K11/215
摘要： A motor includes a sensor which magnetically detects an angular position centered about a central axis of a rotor core with respect to an armature. The sensor preferably includes a yoke which has a substantially annular shape, is made of a magnetic material, is arranged substantially perpendicularly to the central axis and is affixed to a shaft, a sensor magnet affixed at the yoke, a magnet cover which covers a surface of the sensor magnet other than a portion in contact with the yoke, a first Hall element and a second Hall element both of which are arranged facing in an axial direction a surface of the sensor magnet opposite from a surface thereof at which the yoke is arranged. Since the sensor magnet is covered by the yoke and the magnet cover, even when the sensor magnet is damaged, the damaged sensor magnet is prevented from damaging other components of the motor. By virtue of such configuration, the reliability of the motor is improved.
摘要翻译： 电动机包括一个传感器，该传感器以相对于电枢检测以转子铁芯的中心轴为中心的角位置。 传感器优选地包括具有基本环形形状的由磁性材料制成的磁轭，其基本上垂直于中心轴线布置并固定到轴上，固定在磁轭上的传感器磁体，覆盖表面的磁体盖 所述传感器磁体除了与所述磁轭接触的部分以外，所述第一霍尔元件和第二霍尔元件两者都沿轴向方向布置成与所述磁轭布置的表面相反的传感器磁体的表面 。 由于传感器磁体被磁轭和磁体盖覆盖，所以即使传感器磁体损坏，也不会损坏传感器磁体来损坏电机的其他部件。 通过这样的结构，可以提高电动机的可靠性。
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公开(公告)号：US07795766B2
公开(公告)日：2010-09-14
申请号：US12039822
申请日：2008-02-29
申请人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
发明人： Nakaba Kataoka , Takayuki Migita , Hidehiro Haga
CPC分类号： B62D5/0403 , H02K11/01 , H02K11/215
摘要： A motor includes a housing having a substantially cylindrical shape accommodating therein a stator portion and a rotor portion. The housing includes a housing body having an opening at an upper side thereof, and a lid portion arranged between an armature and a sensor so as to close the opening of the housing body. Since the lid portion is made of a magnetic material and is arranged between the armature and the sensor, a magnetic effect on the sensor caused by a magnetic force generated at the armature is minimized. By virtue of such configuration in which the lid portion of the housing functions as a magnetic shield, the motor can be smaller in the axial direction compared with a configuration in which an extra layer of magnetic shield is arranged.
摘要翻译： 马达包括具有大致圆筒形的壳体，其中容纳有定子部分和转子部分。 壳体包括在其上侧具有开口的壳体，以及设置在电枢和传感器之间的盖部，以闭合壳体的开口。 由于盖部分由磁性材料制成并且布置在电枢和传感器之间，所以由电枢产生的磁力对传感器产生的磁效应被最小化。 通过这样的构造，其中壳体的盖部分用作磁屏蔽，与布置额外的磁屏蔽层的构造相比，电动机可以在轴向方向上较小。
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公开(公告)号：US07663287B2
公开(公告)日：2010-02-16
申请号：US11758264
申请日：2007-06-05
IPC分类号： H02K11/00
摘要： A motor includes a stator and a bus bar supported axially above the stator. The bus bar includes a concave portion arranged in a lower surface thereof facing toward coils of the stator. In a gap defined between the coil and the concave portion, a portion of the wire extracted from the coil and wound in the circumferential direction (i.e., a crossover wire portion) is accommodated. The bus bar includes a wire-positioning hole through which the wire is led to a terminal to be connected with the wire.
摘要翻译： 电动机包括定子和轴向地在定子上方支撑的汇流条。 母线包括设置在其面向定子的线圈的下表面的凹部。 在线圈和凹部之间限定的间隙中，容纳从线圈中提取并沿圆周方向缠绕的部分（即，交叉线部分）。 母线包括线定位孔，线通过该导线定位孔被引导到与线连接的端子。
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公开(公告)号：US20110018384A1
公开(公告)日：2011-01-27
申请号：US12934295
申请日：2009-03-26
IPC分类号： H02K1/16
摘要： In a motor, a raised portion arranged to project toward a rotor magnet is provided on an opposed surface of each tooth portion. This raised portion provided on an opposed surface of each tooth portion. This raised portion is provided at a substantial middle of the opposed surface in a circumferential direction. This allows a waveform of a cogging torque generated by the raised portions and a fundamental of a waveform of a cogging torque generated by slot openings to be substantially in opposite phases. Cogging torque generated by the slot openings can be thereby reduced, because of the cogging torque generated by the raised portion.
摘要翻译： 在电动机中，设置成朝向转子磁铁突出的凸部设置在每个齿部的相对表面上。 该凸起部分设置在每个齿部的相对表面上。 该凸起部设置在相对面的周向的实质中间。 这允许由凸起部分产生的齿槽转矩的波形和由槽开口产生的齿槽转矩的波形的基波基本上处于相反的相位。 由于由凸起部产生的齿槽转矩，所以可以减小由槽口产生的齿槽转矩。
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公开(公告)号：US07868504B2
公开(公告)日：2011-01-11
申请号：US12106406
申请日：2008-04-21
申请人： Nakaba Kataoka , Keita Nakanishi
发明人： Nakaba Kataoka , Keita Nakanishi
CPC分类号： G01P3/488 , H02K1/24 , H02K11/225 , H02K24/00
摘要： A resolver rotor for a variable reluctance resolver includes a plurality of axially stacked rotor pieces. The rotor pieces are jointly fitted into one body. In the fitting of the rotor pieces, deformed portions are provided between a center of the radial thickness of the resolver rotor and a side surface thereof which is opposite to a stator-side surface thereof. The number of deformed portions is the same as that of projecting poles of the resolver rotor. The deformed portions are arranged at circumferential positions of peaks of the respective projecting poles. At those positions, concave portions are provided on the side surface to receive deformations caused by fitting the rotor pieces together. Thus, the stator-side surface of the resolver rotor is less affected by fitting of the rotor pieces together, preventing a reduction in the detection accuracy of the resolver.
摘要翻译： 用于可变磁阻旋转变压器的旋转变压器转子包括多个轴向堆叠的转子件。 转子片共同组装成一体。 在转子件的装配中，变形部分设置在旋转变压器转子的径向厚度的中心和与其定子侧表面相对的侧表面之间。 变形部的数量与旋转变压器转子的突出极的数量相同。 变形部分布置在各个突出极的峰的圆周位置处。 在这些位置处，在侧面上设置有凹部以容纳通过将转子片装配在一起而引起的变形。 因此，旋转变压器转子的定子侧表面较少受到转子片的配合的影响，防止了旋转变压器的检测精度的降低。
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公开(公告)号：US07827673B2
公开(公告)日：2010-11-09
申请号：US12773999
申请日：2010-05-05
申请人： Nakaba Kataoka , Keita Nakanishi
发明人： Nakaba Kataoka , Keita Nakanishi
IPC分类号： H02K15/02
CPC分类号： H02K5/225 , G01D5/2013 , H02K3/522 , H02K11/225 , Y10T29/49009 , Y10T29/4902 , Y10T29/53143 , Y10T29/53157
摘要： In a resolver of a motor, a plurality of wires forming a plurality of coils arranged at a resolver stator portion are arranged at a wiring surface which is arranged at a terminal block of a connector portion and extends between an annular shape surface arranged substantially perpendicularly to a central axis at a core back of an insulator and a plurality of terminal pins, and are connected to a control unit via the terminal pins. Each of the wires of the resolver includes a slackened portion formed at a portion thereof between corresponding terminal pins and corresponding coils. The slackened portion is accommodated in a groove portion arranged at the wiring surface of the connector portion in order to minimize the possibility of damaging the wire improving reliability of the connection between the terminal pin and the coil.
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