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公开(公告)号:US20140021820A1
公开(公告)日:2014-01-23
申请号:US14008386
申请日:2012-03-21
申请人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
发明人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
IPC分类号: H02K1/27
CPC分类号: H02K1/276 , H02K1/246 , H02K1/2766 , H02K2213/03
摘要: A first rotor core including a plurality of gaps penetrating through the first rotor core along an axial direction is provided. A second rotor core being in contact with an axial end of the first rotor core and having a plurality of magnet-housing slots facing the gaps is also provided. The gaps have a magnetic resistance lower than that of the magnet-housing slots.
摘要翻译: 提供了包括沿着轴向贯穿第一转子铁心的多个间隙的第一转子铁芯。 还提供了与第一转子芯的轴向端接触并具有面向间隙的多个磁体 - 壳体槽的第二转子芯。 间隙的磁阻低于磁体 - 壳体槽的磁阻。
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公开(公告)号:US08598763B2
公开(公告)日:2013-12-03
申请号:US12991351
申请日:2009-04-22
申请人: Keiji Aota , Yoshihito Sanga , Akio Yamagiwa
发明人: Keiji Aota , Yoshihito Sanga , Akio Yamagiwa
CPC分类号: H02K1/276 , H02K1/2766
摘要: A field element core has a perimeter exposed around a rotation axis and a plurality of field magnet insertion holes circularly disposed around the rotation axis P. A radius between the perimeter and the rotation axis P decreases in a monotonically non-increasing manner from a pole center toward an interpole and then increases in a monotonically non-decreasing manner in a region between the pole center and the interpole in a circumferential direction.
摘要翻译: 场元件芯具有围绕旋转轴线露出的周边和围绕旋转轴线P圆周设置的多个磁场磁体插入孔。周边和旋转轴线P之间的半径以单极不增加的方式从极点中减小 然后在圆周方向上在极中心和间极之间的区域中以单调递减的方式增加。
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公开(公告)号:US20100314954A1
公开(公告)日:2010-12-16
申请号:US12446254
申请日:2007-10-22
申请人: Shintarou Araki , Akio Yamagiwa
发明人: Shintarou Araki , Akio Yamagiwa
CPC分类号: H02K15/03 , H02K1/2786 , H02K21/22 , Y10T29/49012
摘要: An outer rotor motor comprises a rotor rotating about an axis, and a fixed stator. Provided over the inner peripheral surface of a cylindrical part of a fan connecting resin member are a ring-shaped yoke, a ring-shaped rotor magnet fixed to a fixing slot defined in the radially inner surface of the yoke, and yokes fixed to fixing slots defined in a radially inner surface of the rotor magnet. The rotor magnet is so magnetized that magnetic poles alternately change in a circumferential direction. The yoke covers a radially outer surface of the rotor magnet, and parts on a radially outer side of an axially upper surface and an axially lower surface of the rotor magnet.
摘要翻译: 外转子电动机包括绕轴线旋转的转子和固定定子。 设置在风扇连接树脂构件的圆筒部的内周面上的是环状磁轭,固定到限定在磁轭的径向内表面中的固定槽的环形转子磁体,以及固定在固定槽 限定在转子磁体的径向内表面上。 转子磁体被磁化,使得磁极在圆周方向上交替变化。 轭体覆盖转子磁体的径向外表面,以及转子磁体的轴向上表面和轴向下表面的径向外侧的部分。
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公开(公告)号:US20100119378A1
公开(公告)日:2010-05-13
申请号:US12528873
申请日:2007-02-28
申请人: Yoshitaka Shibamoto , Takashi Shimizu , Masanori Masuda , Takazou Sotojima , Kazuhiro Furusho , Akio Yamagiwa , Yoshiki Yasuda
发明人: Yoshitaka Shibamoto , Takashi Shimizu , Masanori Masuda , Takazou Sotojima , Kazuhiro Furusho , Akio Yamagiwa , Yoshiki Yasuda
CPC分类号: F04C28/16 , F04C18/045 , F04C18/3562 , F04C23/001 , F04C23/008 , F04C2270/035 , F04C2270/125
摘要: A rotary compressor includes a compression mechanism, an electric motor and a controller. The compression mechanism includes a piston and a cylinder having two cylinder chambers. The electric motor is configured to change volumes of the cylinder chambers by eccentrically moving the cylinder and the piston relative to each other. The controller is configured to change an output torque of the electric motor in accordance with a variation in a load torque of the compression mechanism in one turn of rotation.
摘要翻译: 旋转压缩机包括压缩机构,电动机和控制器。 压缩机构包括活塞和具有两个气缸室的气缸。 电动机构造成通过使气缸和活塞相对于彼此偏心地移动来改变气缸室的体积。 控制器被配置为根据压缩机构的一圈旋转的负载转矩的变化来改变电动机的输出转矩。
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公开(公告)号:US09013136B2
公开(公告)日:2015-04-21
申请号:US13499169
申请日:2010-09-29
申请人: Akio Yamagiwa , Toshinari Kondou , Yoshihito Sanga
发明人: Akio Yamagiwa , Toshinari Kondou , Yoshihito Sanga
CPC分类号: H02K1/2766 , B60L15/2045 , B60L2220/50 , B60L2270/142 , B60L2270/145 , H02K1/276 , H02K21/16 , H02K2213/03 , Y02T10/641 , Y02T10/644 , Y02T10/645 , Y02T10/72 , Y02T10/7283
摘要: A three-phase AC motor (4) has a configuration in which a q-axis inductance is larger than a d-axis inductance by a predetermined amount or more to allow smoothing of power fluctuations due to the power supply voltage of the AC power source (3).
摘要翻译: 三相交流电动机(4)具有其中q轴电感大于d轴电感一定量以上的结构,以允许由于交流电源的电源电压引起的功率波动的平滑 (3)。
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公开(公告)号:US20130026874A1
公开(公告)日:2013-01-31
申请号:US13638041
申请日:2011-03-28
申请人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
发明人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
CPC分类号: H02K15/026 , H02K1/16 , H02K1/276 , H02K3/50 , H02K21/14 , H02K2201/03 , H02K2213/12 , Y10T29/49012
摘要: A motor includes a driving shaft, a rotor attached to the driving shaft, and a stator having a substantially cylindrical stator core provided around the rotor, and a plurality of coils wound around the stator core in a distributed winding manner The stator core includes three separated stator core parts aligned along a peripheral direction, and each of the coils is disposed so as not to lie astride any two of the three separated stator core parts. At least one coil end of the plurality of the coils is disposed to pass through an inner side relative to an inner peripheral surface of the stator core.
摘要翻译: 电动机包括驱动轴,安装在驱动轴上的转子以及设置在转子周围的具有大致圆筒形的定子铁心的定子,以及以分布绕组的方式缠绕在定子铁芯上的多个线圈。定子铁芯包括三个分离的 定子铁芯部件沿着周向对准,并且每个线圈被布置成不跨过三个分离的定子铁芯部件中的任何两个。 多个线圈的至少一个线圈端部被设置成穿过相对于定子芯的内周面的内侧。
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公开(公告)号:US20100135830A1
公开(公告)日:2010-06-03
申请号:US12598303
申请日:2008-04-23
申请人: Yoshiki Yasuda , Akio Yamagiwa
发明人: Yoshiki Yasuda , Akio Yamagiwa
CPC分类号: H02K1/185
摘要: A rotating electric machine for a compressor includes a case, a plurality of teeth, coils and insulating films. The teeth are circumferentially arranged around a predetermined axis forming a center of the teeth. Each tooth has a first end disposed radially at an opposite side thereof from the predetermined axis. The a back yoke has a circular outer periphery, and a cylindrical inner periphery connecting the first ends of the teeth. The outer periphery has a plurality of concave parts opening radially inwardly toward the teeth at positions overlapping with the teeth as viewed radially. A minimum distance measured from an exposure surface of each tooth to the concave part overlapping therewith is smaller than a radial width of the back yoke at a portion where the concave parts are not provided. The exposure surfaces extend radially inwardly of the inner periphery.
摘要翻译: 用于压缩机的旋转电机包括壳体,多个齿,线圈和绝缘膜。 齿围绕形成齿的中心的预定轴线周向布置。 每个齿具有径向设置在与预定轴线相对的一侧的第一端。 背轭具有圆形的外周边和连接齿的第一端的圆柱形内周。 外周边具有径向向内朝着与牙齿重叠的位置的齿向径向向内开放的多个凹部。 从每个齿的暴露表面到与其重叠的凹部测量的最小距离小于在未设置凹部的部分处的后轭的径向宽度。 曝光表面径向向内延伸。
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公开(公告)号:US06849981B2
公开(公告)日:2005-02-01
申请号:US10478097
申请日:2003-02-27
申请人: Hiroaki Kojima , Jun Kageyama , Akio Yamagiwa
发明人: Hiroaki Kojima , Jun Kageyama , Akio Yamagiwa
CPC分类号: H02K1/276 , H02K1/2766 , H02K7/14
摘要: For the purpose of preventing demagnetization of a magnet (32) without any cost increase and improving the max torque and the efficiency of an electric motor (20) by suppressing deterioration of magnetic flux density, a permanent magnet-type electric motor (20) comprises a stator (21) and a rotor (25) disposed in the stator (21), in which a plurality of permanent magnets (32), (32) forming a magnetic pole are inserted in magnet insertion portions (31), (31) of a yoke (26) in such manner that the magnets (32), (32) form in line in the circumferential direction thereof, wherein each magnet (32) is divided into a central magnet (33) that is positioned at the central portion in the width direction of the magnet insertion portion (31) and end magnets (34), (34) that are positioned at end portions of the magnet insertion portion (31), and the end magnets (34), (34) have greater coercive forces than the central magnet (33), whereas the central magnet (33) has a greater magnetic flux density than the end magnets (34), (34). Because the end magnets (34), (34) easy to be demagnetized by the reverse magnetic filed caused by the stator current have greater coercive forces, demagnetization of the magnet (32) can be prevented as a whole. In the meantime, because the central magnet (33) difficult to be demagnetized has a greater magnetic flux density, the max torque and the efficiency of the electric motor (20) can be improved by such great magnetic flux density.
摘要翻译: 永磁式电动机(20)为了防止磁体(32)的退磁而没有任何成本增加,并且通过抑制磁通密度的劣化来改善电动机(20)的最大转矩和效率, 设置在定子(21)中的定子(21)和转子(25),其中形成磁极的多个永磁体(32),(32)插入到磁体插入部分(31),(31)中, 磁体(32)在其圆周方向上成直角的方式形成磁轭(26),其中每个磁体(32)被分成位于中心部分的中心磁体(33) 在磁体插入部(31)的宽度方向和位于磁体插入部(31)的端部的端磁体(34),(34),端磁体(34),(34)的宽度方向 矫顽力大于中心磁体(33),而中心磁体(33)具有较大的磁通密度t 有端磁体(34),(34)。 由于容易被定子电流引起的反磁场消磁的端磁体(34)(34)具有较大的矫顽力,因此整体上可以防止磁体(32)的退磁。 同时,由于难以去磁的中心磁体(33)具有较大的磁通密度,因此可以通过这样大的磁通密度来提高电动机(20)的最大转矩和效率。
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公开(公告)号:US09712006B2
公开(公告)日:2017-07-18
申请号:US14008386
申请日:2012-03-21
申请人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
发明人: Toshinari Kondou , Yoshiki Yasuda , Akio Yamagiwa
CPC分类号: H02K1/276 , H02K1/246 , H02K1/2766 , H02K2213/03
摘要: A first rotor core including a plurality of gaps penetrating through the first rotor core along an axial direction is provided. A second rotor core being in contact with an axial end of the first rotor core and having a plurality of magnet-housing slots facing the gaps is also provided. The gaps have a magnetic resistance lower than that of the magnet-housing slots.
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公开(公告)号:US20120187877A1
公开(公告)日:2012-07-26
申请号:US13499169
申请日:2010-09-29
申请人: Akio Yamagiwa , Toshinari Kondou , Toshihito Sanga
发明人: Akio Yamagiwa , Toshinari Kondou , Toshihito Sanga
IPC分类号: H02P21/00
CPC分类号: H02K1/2766 , B60L15/2045 , B60L2220/50 , B60L2270/142 , B60L2270/145 , H02K1/276 , H02K21/16 , H02K2213/03 , Y02T10/641 , Y02T10/644 , Y02T10/645 , Y02T10/72 , Y02T10/7283
摘要: A three-phase AC motor (4) has a configuration in which a q-axis inductance is larger than a d-axis inductance by a predetermined amount or more to allow smoothing of power fluctuations due to the power supply voltage of the AC power source (3).
摘要翻译: 三相交流电动机(4)具有其中q轴电感大于d轴电感一定量以上的结构,以允许由于交流电源的电源电压引起的功率波动的平滑 (3)。
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