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1. 发明专利

JP2013187954A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2013187954A
公开(公告)日：2013-09-19
申请号：JP2012049433
申请日：2012-03-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKIZAWA YUJI , HIROYA SUSUMU , TAKIGUCHI RYUICHI , KAMIYAMA HIROKO , AKUTSU SATORU , NAKANO MASATSUGU , IWATA TETSUYA
IPC分类号： H02K1/27
CPC分类号： H02K1/2773
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine enabling reduction in uneven rotation and unbalanced force in a rotor.SOLUTION: A rotary electric machine includes a stator 6 and a rotor 4 installed on the inner side of the stator 6 so as to be rotatable by a rotating shaft 5. Magnetic poles 10 which are formed of a rotor core 2 having laminated magnetic steel sheets, are excited by permanent magnets 3 respectively stored in a plurality of gaps 9 installed in the circumferential direction at portions on the outer peripheral side of the rotor core 2 and have polarities alternately different from each other are disposed on the outer periphery of the rotor 4. Short circuit magnetic paths 11 each interconnecting at least one set of magnetic pole pieces forming each magnetic pole 10 within the same laminate plane and projections 12 each coming into contact with the inner peripheral side of the permanent magnet 3 between magnetic pole pieces 10b which are not connected with the short circuit magnetic paths 11 are arranged at portions on the inner peripheral side of the rotor core 2.
摘要翻译：要解决的问题：提供一种能够减小转子中的不均匀旋转和不平衡力的旋转电机。解决方案：旋转电机包括定子6和安装在定子6内侧的转子4，以便于由具有层叠电磁钢板的转子铁心2形成的磁极10由分别存储在沿周向安装的多个间隙9中的永久磁铁3激励，外周侧的部分并且在转子4的外周上设置交替不同的极性的短路磁路11，将形成各个磁极10的至少一组磁极片与相同的层叠面内相互连接，突起12各自与永久磁铁3的不与sho连接的磁极片10b之间的内周侧接触 rt电路磁路11配置在转子铁芯2的内周侧的部分。

2. 发明专利

JP2011200041A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2011200041A
公开(公告)日：2011-10-06
申请号：JP2010065121
申请日：2010-03-19
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKIZAWA YUJI , TAKIGUCHI RYUICHI , DAIKOKU AKIHIRO , KURISHIGE MASAHIKO , YOSHIKUWA YOSHIO , OKAZAKI MASABUMI , HIROSUE WATARU , ITAMI RYOSUKE , OHATA KATSUMI , TANAKA TOSHINORI
IPC分类号： H02K13/00
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine that prevents thermal damage to the surface of an insulating member by improving temperature durability, and extends the operation time of the rotary electric machine or increases current of the rotary electric machine.SOLUTION: The rotary electric machine has: a brush holder 14 for storing a rectifying brush 12; a bracket 2 on which the brush holder 14 is placed; and a heat-conductive insulating member 18 interposed between the brush holder 14 and the bracket 2. A heat-conductive member 17 is further interposed between the brush holder 14 and the insulating member 18.
摘要翻译：要解决的问题：提供通过提高耐久性来防止对绝缘构件的表面的热损伤的旋转电机，并且延长旋转电机的操作时间或增加旋转电机的电流。解决方案：旋转电机具有：用于存储整流刷12的电刷架14; 一个支架2，电刷架14放在其上; 以及插入在电刷架14和支架2之间的导热绝缘构件18.导热构件17进一步插入电刷架14和绝缘构件18之间。

3. 发明专利

JP2014075900A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2014075900A
公开(公告)日：2014-04-24
申请号：JP2012221799
申请日：2012-10-04
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSURUMI YUSUKE , TAKIGUCHI RYUICHI , YOSHIKUWA YOSHIO , TAKIZAWA YUJI , MORITA YUSUKE , HIROYA SUSUMU , NAKANO MASATSUGU , AKUTSU SATORU , ARIDO TOYOAKI
IPC分类号： H02K1/18
摘要： PROBLEM TO BE SOLVED: To solve the problem that it is difficult to hold a stator for prevention against vibration and noise if the stator is divided with respect to a method of fixing the stator to a housing only with a bolt not in contact with a frame.SOLUTION: A rotary electric machine includes split cores 42 split in a peripheral direction as a stator 4 surrounding a periphery of a rotor 1, a cylindrical frame 2 surrounding a periphery of the stator, and a pair of housing parts (housing 3) provided at one axial side part and the other axial side part of the frame so as to hold a bearing of the rotor, and also includes a holding ring 5 having a stator holding part 51 formed in a cylindrical shape having an outer diameter smaller than the inner diameter of the frame and holding the split cores on an inner peripheral side, and contact area reduction parts 52 formed by projecting a plurality of predetermined peripheral places outside one axial end of the stator holding part in axial directions, the stator and frame being held not in contact with each other by fixing the contact area reduction parts to one of the housing parts.
摘要翻译：要解决的问题：为了解决如果将定子相对于仅通过不与框架接触的螺栓将定子固定到壳体的方法分开的方法来分割，则难以将定子保持以防止振动和噪声的问题解决方案：旋转电机包括围绕转子1周围的定子4沿圆周方向分开的分裂芯42，围绕定子周围的圆柱形框架2和一对壳体部分（壳体3）在框架的一个轴向侧部和另一个轴向侧部分处，以保持转子的轴承，并且还包括保持环5，该保持环5具有形成为具有小于内部的外径的圆柱形状的定子保持部51 框架的直径并将分割芯保持在内周侧;以及接触区域缩小部52，其通过在定子保持部的一个轴向端部外侧突出多个规定的周边部而形成。通过将接触区域减小部分固定到其中一个壳体部分，定子和框架彼此不保持接触。

4. 发明专利

JP2014103850A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2014103850A
公开(公告)日：2014-06-05
申请号：JP2014049871
申请日：2014-03-13
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 , IWATA TETSUYA
IPC分类号： H02K3/28
摘要： PROBLEM TO BE SOLVED: To obtain a rotary electric machine comprising a stator in a winding wire structure in which options for the number of serial turns can be enlarged.SOLUTION: In a coil, N pieces of lead wires which are wave winding wires divided in two or more locations in a circumferential direction are put into one slot. Within a unit to be conducted by the divided wave winding wire, the lead wires are connected in series or in parallel in the almost same dividing location in the circumferential direction of a lead wire end portion. In each of phases, divided units of the divided wave winding wires mounting in partial slots in slots of an entire rotary electric machine and partial slots different from each other are connected in series with each other. The number of total serial turns of the divided units connected in series in each phase is the predetermined number of serial turns which does not exceed a terminal voltage upper limit value of the rotary electric machine. The numbers of total serial turns of the divided units connected in series in the phases are equal to each other and within a unit conducted by the divided wave winding wire, in the almost same division location in the circumferential direction of the lead wire end portion, all the lead wires are connected in series.
摘要翻译：要解决的问题：获得一种旋转电机，其包括绕组线结构中的定子，其中可以扩大串联匝数的选项。解决方案：在线圈中，N条引线分为波浪绕组在圆周方向上的两个或更多个位置被放入一个槽中。在由分波绕组线进行的单元内，引线在引线端部的圆周方向上几乎相同的分割位置串联或并联连接。在各相中，分别安装在整个旋转电机的槽的部分槽中的分割波绕组线和彼此不同的部分槽相互串联连接。在各相中串联连接的分割单元的总串行匝数是不超过旋转电机的端子电压上限值的预定数量的串联匝数。在相位上串联连接的分割单元的总串行匝数在引线端部的圆周方向上几乎相同的分割位置处彼此相等并且在由分波绕组线进行的单元内，所有引线都串联连接。

5. 发明专利

JP2013223388A Rotation angle detector and rotary electric machine for vehicle 有权
标题翻译：旋转角度检测器和车用旋转电机
公开(公告)号：JP2013223388A
公开(公告)日：2013-10-28
申请号：JP2012095221
申请日：2012-04-19
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWAMURA KOJI , WATANABE YOSHIHISA , TAKIZAWA YUJI , MOTOISHI NAOHIRO
IPC分类号： H02K24/00 , G01D5/20 , H02K11/00
摘要： PROBLEM TO BE SOLVED: To obtain a resolver, which is capable of performing highly accurate rotation angle detection by reducing an influence of leakage magnetic flux from a rotation axis, and a rotary electric machine for a vehicle, in which the resolver is embedded.SOLUTION: A rotation angle detector includes: a resolver stator; and a resolver rotor having an outer peripheral surface in an uneven shape, which opposes an inner peripheral surface of the resolver stator with a gap therebetween, and provided with a fitting hole in its center portion, which is fitted around a rotation axis, wherein the resolver rotor includes a long hole for shielding leakage magnetic flux that is provided in an axial direction so as to extend along an outer peripheral surface of the rotation axis and shields magnetic flux leaking via the rotation axis.
摘要翻译：要解决的问题：获得能够通过减小旋转轴的泄漏磁通量的影响而进行高精度旋转角度检测的旋转变压器，以及嵌入旋转变压器的车辆用旋转电机。旋转角度检测器包括：旋转变压器定子; 以及旋转变压器转子，其具有凹凸形状的外周面，与所述旋转变压器定子的内周面相对，在其间具有间隙，并且在其中心部分上设置有围绕旋转轴线嵌合的嵌合孔，其中，旋转变压器转子包括用于屏蔽沿轴向方向沿着旋转轴线的外周表面延伸的泄漏磁通的长孔，并屏蔽经由旋转轴线泄漏的磁通量。

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

JP2014142260A Rotation angle detector and vehicular rotary electric machine 有权
标题翻译：旋转角度检测器和车用旋转电机
公开(公告)号：JP2014142260A
公开(公告)日：2014-08-07
申请号：JP2013010768
申请日：2013-01-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKIZAWA YUJI , TAKIGUCHI RYUICHI , MORITA YUSUKE , FUJITA NOBUHIKO , SHIMANO TOMOAKI , WATANABE YOSHIHISA , MIYAMOTO YOSHINORI , MOTOISHI NAOHIRO
IPC分类号： G01D5/20 , H02K19/22
摘要： PROBLEM TO BE SOLVED: To provide a rotation angle detector capable of performing high-accuracy rotation angle detection by reducing influences of a leaked magnetic flux from a rotary shaft of a rotary electric machine.SOLUTION: The rotation angle detector comprises: a resolver stator 32 including a resolver coil 34 formed from an output coil and an excitation coil; and a resolver rotor 31 including an uneven outer circumferential surface opposing an inner circumferential surface of the resolver stator 32 via a gap, and being rotatable integrally with a rotary shaft 10 of a rotary electric machine by inserting and fixing the rotary shaft 10 into a mounting hole 31a formed in a central part. At least a pair of conductors 37 for supplying reciprocative current to a field coil of a rotor of the rotary electric machine are disposed while penetrating a groove 10a formed between the mounting hole 31a of the resolver rotor 31 and an outer circumferential part of the rotary shaft 10. A fundamental degree for a winding degree of the output coil is any other degree than a divisor of the number of conductors 37.
摘要翻译：要解决的问题：提供一种能够通过减小来自旋转电机的旋转轴的泄漏磁通的影响来进行高精度旋转角度检测的旋转角度检测器。解决方案：旋转角度检测器包括：旋转变压器定子32 包括由输出线圈和励磁线圈形成的分解器线圈34; 以及旋转变压器转子31，其包括经由间隙与分解器定子32的内周面相对的不平坦的外周面，并且通过将旋转轴10插入并固定到旋转电机10的旋转轴10中而与旋转电机的旋转轴10一体旋转形成在中心部的孔31a。至少一对用于向旋转电机的转子的励磁线圈提供往复电流的导体37被设置成贯穿形成在旋转变压器转子31的安装孔31a和旋转轴的外周部分之间的槽10a 输出线圈的卷绕程度的基本程度是除导体数37的除数以外的其他程度。

8. 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。

9. 发明专利

JP2013258835A Brushless motor 有权
标题翻译：无刷电机
公开(公告)号：JP2013258835A
公开(公告)日：2013-12-26
申请号：JP2012133351
申请日：2012-06-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIROYA SUSUMU , TAKIGUCHI RYUICHI , TAKIZAWA YUJI , NAKANO MASATSUGU , AKUTSU SATORU , ARIDO TOYOAKI
IPC分类号： H02K21/14 , H02K1/27 , H02K3/28
摘要： PROBLEM TO BE SOLVED: To obtain a brushless motor which allows for reduction in torque pulsation and cyclic current while reducing the cost, by suppressing generation of even-ordered harmonics in a voltage induced in an armature, even if the magnetic poles are different from each other.SOLUTION: A field pole 10 includes a magnetic pole where the permanent magnets 12 of S pole and the salient poles 13 of N pole formed integrally with the field pole cores 11 are arranged alternately. An armature 1 includes an armature winding 3 consisting of a plurality of coils wound around teeth 5 formed in the circumferential direction of an armature core 2 at equal intervals. The armature winding 3 is constituted by connecting coil pairs, each consisting of a series connection of coils U1, U3 of reverse winding direction arranged at an interval of an electrical angle (180+360n)° (n is an integer), in series or parallel.
摘要翻译：要解决的问题：为了获得能够降低转矩脉动和循环电流同时降低成本的无刷电动机，通过抑制在电枢中感应的电压中的偶次谐波的产生，即使磁极与每个磁极不同其它。解决方案：场极10包括磁极，其中S极的永磁体12和与磁场磁芯11一体形成的N极的凸极13交替布置。电枢1包括电枢绕组3，该电枢绕组3以等间隔在绕电枢铁芯2的圆周方向形成的多个缠绕在齿5上的线圈组成。电枢绕组3由连接线圈对构成，每个线圈对由以电角度（180 + 360n）°（n为整数）的间隔排列的反向卷绕方向的线圈U1，U3的串联连接串联连接，平行。

10. 发明专利

JP2013150500A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2013150500A
公开(公告)日：2013-08-01
申请号：JP2012010964
申请日：2012-01-23
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 , IWATA TETSUYA
IPC分类号： H02K3/28 , H02K3/04 , H02K19/22
CPC分类号： H02K3/12 , H02K3/28
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine comprising a stator with a winding structure that has more flexible choices regarding the number of serially connected turns.SOLUTION: There is provided a rotary electric machine comprising a stator and a pole field rotor, the stator including: a stator core provided with a plurality of slots that are positioned at a prescribed pitch in a circumferential direction; and coils in each of the phases, the coils including N (N is a positive integer of 2 or greater) pieces of lead wires folded at the outside in the axial end face direction of the stator core and set in the slots at a prescribed slot pitch. The coils include the N pieces of lead wires formed with wave-pattern windings divided into two or more in a circumferential direction being set in one slot, and the lead wires being connected in series or in parallel, within a unit in which the divided wave-pattern windings are connected, at almost the same divided positions of lead wire ends in the circumferential direction. In each phase, divided units of the divided wave-pattern windings are connected in series with each other, a total number of serially connected turns in each phase of the divided units connected in series are set to be a prescribed serially connected turn number that does not exceed the upper limitation of a terminal voltage of a rotary electric machine, and the total numbers of serially connected turns of the divided units in each phase connected in series are equal to each other.
摘要翻译：要解决的问题：提供一种旋转电机，其包括具有绕组结构的定子，所述定子具有关于串联连接的转数的更灵活的选择。解决方案：提供一种包括定子和极场转子的旋转电机，定子包括：定子芯，其设置有沿周向以规定间距定位的多个槽; 并且在每个相中的线圈中，线圈包括在定子铁芯的轴向端面方向上在外侧折叠的N（N是2或更大的正整数）导线，并将其设置在规定槽沥青。线圈包括形成有沿着圆周方向分成两个或更多个的波纹绕组的N个引线设置在一个槽中，并且引线串联或并联连接，其中分离波电线绕组在引线端部沿周向几乎相同的分割位置连接。在各相中，分割的波形绕组的分割单元彼此串联连接，将串联连接的分割单元的各相的串联匝数总数设定为规定的串联连接的匝数不超过旋转电机的端子电压的上限，并且串联连接的各相中的分割单元的串联匝数总和相等。

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