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1. 发明专利

JP2014155347A Split core, stator employing the split core and rotary electric machine with the stator 有权
标题翻译：分离核心，定位器使用分离核心和旋转电机与定子
公开(公告)号：JP2014155347A
公开(公告)日：2014-08-25
申请号：JP2013023560
申请日：2013-02-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHONO KAZUHIRO , BESSHO TOMOHIRO , OGINO KEN , KAWASAKI SACHIKO
IPC分类号： H02K1/18 , H01F27/24 , H01F27/245 , H02K1/02
摘要： PROBLEM TO BE SOLVED: To obtain a split core, using core pieces of amorphous thin plates, which is capable of reducing cost of manufacture and attaining compatibility of a low iron loss and cogging reduction when used for a rotary electric machine.SOLUTION: A split core 20 comprises first laminates 1 and a second laminate 2 which is disposed while being held between the first laminates 1. A shoe part 4 is provided at a distal end of teeth 1b in the first laminate 1 formed from a non-directional electromagnetic steel plate. The second laminate 2 is formed from a second yoke laminate block 2a and a second teeth laminate block 2b, and at least the second yoke laminate block 2b is formed by laminating iron pieces of amorphous thin plates.
摘要翻译：要解决的问题：为了获得分裂芯，使用非晶薄板芯片，其能够降低制造成本，并且当用于旋转电机时获得低铁损和齿槽减少的相容性。解决方案：分裂芯20包括第一层压体1和第二层压体2，其被保持在第一层压体1之间。靴部件4设置在由无方向电磁钢板形成的第一层压体1中的齿1b的远端处。第二层叠体2由第二轭层叠体2a和第二齿层叠块2b形成，并且至少第二磁轭叠层块2b通过层压非晶薄板的铁片而形成。

2. 发明专利

JP2012217278A Permanent magnet type rotary electric machine and manufacturing method therefor 有权
标题翻译：永磁电机类型旋转电机及其制造方法
公开(公告)号：JP2012217278A
公开(公告)日：2012-11-08
申请号：JP2011081381
申请日：2011-04-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , MIYAMOTO YOSHINORI , IWAMI TAIZO , FUKUZUMI HIROE
IPC分类号： H02K1/27 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotary electric machine at a low cost, by reducing the amount of rare earth magnet used.SOLUTION: The permanent magnet type rotary electric machine comprises a stator, and a rotor provided on the inside of the stator through an air gap. The rotor includes a yoke formed by laminating a predetermined number of electromagnetic steel sheets punched into a predetermined shape, a field part provided on the outer peripheral surface of the yoke and consisting of a main magnet and an auxiliary magnet arranged in Halbach array, and an air gap provided at a predetermined position in the yoke facing the auxiliary magnet and suppressing magnetic flux leakage of the auxiliary magnet.
摘要翻译：要解决的问题：通过减少使用的稀土磁体的量，以低成本提供永磁式旋转电机。解决方案：永磁式旋转电机包括定子和通过气隙设置在定子内部的转子。转子包括通过层叠预定数量的冲压成预定形状的电磁钢板形成的磁轭，设置在磁轭的外周面上并由主磁体和以Halbach阵列排列的辅助磁体组成的磁场部分，气隙设置在面对辅助磁体的磁轭的预定位置处，并且抑制辅助磁体的磁通量泄漏。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2010200460A Permanent magnet type rotary electric machine and electric power steering device 有权
标题翻译：永磁电机类型旋转电机和电动转向装置
公开(公告)号：JP2010200460A
公开(公告)日：2010-09-09
申请号：JP2009041271
申请日：2009-02-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MORITA YUSUKE , KAWASAKI SACHIKO , NAKANO MASATSUGU , AKITA HIROYUKI , DAIKOKU AKIHIRO
IPC分类号： H02K1/27 , B62D5/04 , H02K29/06 , H02P6/18
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotary electric machine which increases rotor position dependence of impedance and is suitable for sensorless driving, and to provide an electric power steering device using the same. SOLUTION: A rotatable rotor 4 is inserted into a stator 1. The rotor 4 is provided with a rotation axis 5, a cylindrical rotor core 6 fixed to the rotation axis 5, a plurality of permanent magnets 7 fixed to an outer peripheral face of the rotor core 6 at equal intervals in a circumferential direction, and a plurality of conduction circuit parts 8 fixed to the outer peripheral face of the rotor core 6 to surround a periphery of the permanent magnets 7. The conduction circuit part 8 is divided into a plurality of divided conductors when viewed from a cross section vertical to a length direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种提高阻抗的转子位置依赖性的永磁式旋转电机，并且适用于无传感器驱动，并且提供使用其的电动助力转向装置。解决方案：可旋转的转子4插入定子1.转子4设有旋转轴5，固定在旋转轴5上的圆柱形转子芯6，固定到外周的多个永磁体7 在圆周方向等间隔地设置转子铁心6的表面，以及固定在转子铁芯6的外周面上以包围永久磁铁7的周围的多个导通电路部8。导通电路部8被分割当从垂直于长度方向的横截面观察时，分成多个分开的导体。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010183685A Anisotropic permanent magnet piece and method of manufacturing the same 有权
标题翻译：各向异性永久磁铁片及其制造方法
公开(公告)号：JP2010183685A
公开(公告)日：2010-08-19
申请号：JP2009023217
申请日：2009-02-04
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FURUSAWA KIMIYASU , KAWASAKI SACHIKO , MIYOSHI SOTSUO
IPC分类号： H02K15/03 , H01F7/02 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To obtain an anisotropic permanent magnet piece capable of generating a magnetic flux in a specific direction.
SOLUTION: The ring-like anisotropic permanent magnet 10 is formed by filling a magnetic powder 30 in a ring-like cavity 27 formed on the outer circumference of an electric conductor 29, applying a current to the electric conductor 29 to generate a magnetic field of a circumferential direction in the cavity 27 and magnetically orienting the magnetic powder 30 in the circumferential direction. The ring-like anisotropic permanent magnet 10 is divided in the circumferential direction to obtain the anisotropic permanent magnet piece 1. This anisotropic permanent magnet piece 1 has a shape in which the substantial ring shape is divided in the circumferential direction and the orientation direction line is a concentric arc-like curve which is convex in the outer circumferential side of the substantial ring shape.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：获得能够产生特定方向的磁通量的各向异性永久磁铁片。解决方案：环状各向异性永久磁铁10通过将磁性粉末30填充在形成在导电体29的外周上的环状空腔27中，向电导体29施加电流而形成在空腔27中的圆周方向的磁场和磁性粉末30沿周向磁性取向。环状各向异性永磁体10在圆周方向上分割以获得各向异性永久磁铁片1.该各向异性永久磁铁片1具有在圆周方向上划分实质环形的方向，取向方向线为在大致环形的外周侧凸出的同心弧状曲线。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2006217702A Manufacturing method of motor stator , motor rotor, and motor core 审中-公开
标题翻译：电机定子，电机转子和电机芯的制造方法
公开(公告)号：JP2006217702A
公开(公告)日：2006-08-17
申请号：JP2005026179
申请日：2005-02-02
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , MATSUOKA ATSUSHI , KAWAGUCHI HITOSHI , TAKITA YOSHIO , NAKANE KAZUHIRO , ISHII HIROYUKI , HANAKI TAKAYUKI , MATSUNAGA NORIAKI
IPC分类号： H02K1/02 , H02K1/17 , H02K1/18 , H02K1/22 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a stator used in a motor capable of performing winding by making the most of the cross-sectional area of a slot without adjacent coils interfering with each other in winding a coil around respective teeth.
SOLUTION: This stator of the motor uses a stator core formed by injecting, cooling and solidifying a compound material kneaded with a soft magnetic powder material and resin. The stator core is formed circularly in series after winding a split core which includes one tooth section, a tooth tip, and a core back section. The respective split cores are formed in a metal mold provided with an orientation magnetic field so as to meet the direction of a magnetic path of the split core.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种电动机中使用的定子，其能够通过在没有相邻线圈的情况下最大限度地进行绕组的横截面积来缠绕，从而绕着相应的齿圈缠绕线圈。解决方案：该电动机的定子使用通过注射，冷却和固化用软磁粉末材料和树脂捏合的复合材料形成的定子芯。在卷绕包括一个齿部，齿尖和芯部后部的分割铁心之后，定子铁心圆周地串联地形成。相应的分割芯形成在具有取向磁场的金属模具中，以便满足分割芯的磁路的方向。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2014155372A Surface magnet rotor and manufacturing method therefor and permanent magnet dynamo-electric machine with surface magnet rotor and electric power steering device using permanent magnet dynamo-electric machine 审中-公开
标题翻译：表面磁铁转子及其制造方法及其具有表面磁铁转子的永磁电动机和使用永磁电动机的电动转向装置
公开(公告)号：JP2014155372A
公开(公告)日：2014-08-25
申请号：JP2013024569
申请日：2013-02-12
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , TAKIZAWA YUJI , HIROYA SUSUMU , AKUTSU SATORU , NAKANO MASATSUGU , ARIDO TOYOAKI
IPC分类号： H02K1/27 , H02K1/22 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To obtain a surface magnet rotor in which the magnet torque can be enhanced and the reluctance torque can be utilized effectively, while facilitating the positioning of a segment magnet in the circumferential direction.SOLUTION: A rotor core 12 is formed of a first rotor core 121 having a first protrusion forming a cavity between the circumferential end of a segment magnet 11, and a second rotor core 122 having a second protrusion, the inner part of which is abutting against the segment magnet 11, and a cavity is formed between the outer part and the circumferential end of the segment magnet 11.
摘要翻译：要解决的问题：为了获得可以有效地提高磁力矩并且可以有效利用磁阻转矩的表面磁体转子，同时有助于在圆周方向上定位分段磁体。解决方案：转子芯12由第一转子芯121具有在分段磁体11的周向端部之间形成空腔的第一突起和具有第二突起的第二转子芯122，第二突起的内部抵靠在分段磁体11上，空腔为形成在分段磁体11的外部部分和周向端部之间。

7. 发明专利

JP2014075965A Dynamo-electric machine 有权
标题翻译： DYNAMO-ELECTRIC MACHINE
公开(公告)号：JP2014075965A
公开(公告)日：2014-04-24
申请号：JP2013174104
申请日：2013-08-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKIGUCHI RYUICHI , TAKIZAWA YUJI , HIROYA SUSUMU , AKUTSU SATORU , NAKANO MASATSUGU , ARIDO TOYOAKI , ITO SHINICHI , KAWASAKI SACHIKO
IPC分类号： H02K1/27 , H02K1/22
摘要： PROBLEM TO BE SOLVED: To provide a dynamo-electric machine in which torque pulsation can be reduced by bringing the non-sinusoidal waveform of magnetic flux density close to a sinusoidal waveform.SOLUTION: A dynamo-electric machine includes a stator having a stator coil, and a rotor having a plurality of magnets disposed inside or outside the stator and arranged in the rotor core, and core magnetic poles arranged between the magnets. The rotor consists of a first rotor core and a second rotor core. The first rotor core has a plurality of first magnets and first core magnetic poles arranged between the first magnets, and the second rotor core has a plurality of second magnets having magnetization direction different from that of the first magnets, and second core magnetic poles arranged between the second magnets. The second magnet is located at a position corresponding to the first core magnetic pole, and a cavity or a non-magnetic member is provided between the first and second rotor cores.
摘要翻译：要解决的问题：提供一种通过使磁通密度的非正弦波形接近正弦波形来减小转矩脉动的发电机。解决方案：一种发电机包括具有定子线圈的定子以及转子，其具有设置在所述转子铁芯中的配置在所述定子内部或外部的多个磁体，以及配置在所述磁铁之间的铁心磁极。转子由第一转子铁芯和第二转子铁芯构成。第一转子铁芯具有多个第一磁体和设置在第一磁体之间的第一铁芯磁极，第二转子铁芯具有多个具有与第一磁体的磁化方向不同的第二磁体，第二磁心位于第二磁铁。第二磁体位于与第一磁芯磁极相对应的位置处，并且在第一和第二转子磁芯之间设置空腔或非磁性构件。

8. 发明专利

JP2011010439A Rotor for permanent magnet type rotary electric machine 有权
标题翻译：永磁式旋转电机转子
公开(公告)号：JP2011010439A
公开(公告)日：2011-01-13
申请号：JP2009150943
申请日：2009-06-25
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , NAKANO MASATSUGU , MORITA YUSUKE
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor for permanent magnet type rotary electric machine that improves accuracy in detection of the rotational angle of a rotor by improving its saliency.SOLUTION: The rotor includes conductive circuits 34 each of which surrounds a plurality of permanent magnets 33 arranged at a rotor core 32. The conductive circuit 34 includes a pair of first conductors 40 which are arranged between the permanent magnets 33 and extend in the direction of a rotating shaft 31, and the interval between the fellow insides 45 of the pair of first conductors 40 is set to be larger than the circumferential width of the permanent magnet 33, and besides, to be equal to or below the interval between the fellow opposite end faces 46 of other permanent magnets 33 which adjoin each other on both sides of a specified permanent magnet 33 among permanent magnets 33 which are successive in its circumferential direction.
摘要翻译：要解决的问题：提供一种用于永磁式旋转电机的转子，其通过改善其显着性来提高转子的旋转角度的检测精度。解决方案：转子包括各自围绕多个永磁体的导电电路34 33，其布置在转子芯32处。导电电路34包括一对第一导体40，其布置在永磁体33之间并沿着旋转轴31的方向延伸，并且一对第一导体40被设定为大于永磁体33的周向宽度，此外，等于或低于其它永磁体33的相反端面46之间的间隔，在圆周方向上连续的永磁体33之间设有永久磁铁33。

9. 发明专利

JP2010193609A Rotor of permanent magnet-type rotary electric machine and manufacturing method thereof 有权
标题翻译：永磁式旋转电机的转子及其制造方法
公开(公告)号：JP2010193609A
公开(公告)日：2010-09-02
申请号：JP2009034804
申请日：2009-02-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , AKITA HIROYUKI , NAKANO MASATSUGU , MORITA YUSUKE
IPC分类号： H02K1/27 , H02K15/03
CPC分类号： H02K1/278 , G01D5/2046 , H02K1/223 , H02K29/12 , Y10T29/49012
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a rotary electric machine, which improves saliency without deteriorating vibration and noise and which can easily detect a rotation position. SOLUTION: The rotor 2 is provided with a rotation axis 4, a rotor core 5 fixed to an outer peripheral side of the rotation axis 4, a plurality of permanent magnets 6 arranged on a peripheral face of the rotor core 5 at prescribed intervals in a circumferential direction, a conduction circuit 7 arranged to surround each permanent magnet 6 by a pair of first conductors 71 disposed between magnetic poles of the permanent magnet 6 and a second conductor 72 which electrically connects the first conductors 71, and a magnetic body 8 installed on the surface of each permanent magnet 6. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种旋转电机的转子，其改善了显着性，而不会降低振动和噪音，并且可以容易地检测旋转位置。解决方案：转子2设置有旋转轴线4，固定在旋转轴线4的外周侧的转子铁心5，多个永久磁铁6，其设置在转子铁芯5的周面上，间隔周向的导电电路7，布置成通过设置在永磁体6的磁极和电连接第一导体71的第二导体72之间的一对第一导体71围绕每个永磁体6的导电电路7和磁性体 8.安装在每个永磁体6的表面上。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010178623A Method of manufacturing stator of electric motor 有权
标题翻译：电动机定子的制作方法
公开(公告)号：JP2010178623A
公开(公告)日：2010-08-12
申请号：JP2010089420
申请日：2010-04-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MATSUOKA ATSUSHI , KAWASAKI SACHIKO , TAKITA YOSHIO
IPC分类号： H02K15/02 , H02K1/02 , H02K15/12
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a stator of an electric motor, which facilitates winding and enables high-density winding, and which reduces the noise of the electric motor.
SOLUTION: The method of manufacturing the stator of the electric motor forms a stator core by injection-molding a material which is formed by mixing and kneading soft magnetic material powders and synthetic resin. In the manufacturing method, the stator core is constituted of a plurality of divided teeth, and the stator is constituted by joining coupling faces of the divided teeth to each other, heating them, and fusing them after windings are wound around the winding parts of the teeth.
COPYRIGHT: (C)2010,JPO&INPIT

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