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1. 发明专利

JP2013188035A Rotor for electric motor, electric motor, and washing machine 审中-公开
标题翻译：电动马达，电动马达和洗衣机转子
公开(公告)号：JP2013188035A
公开(公告)日：2013-09-19
申请号：JP2012052473
申请日：2012-03-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NARITA HIROBUMI , SAKAMOTO KUNIHIRO , KOHARAGI HARUO , TOYODA EIJI
IPC分类号： H02K11/00 , H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor for an electric motor that uses a reduced number of components for easier assembly work, an electric motor having the rotor, and a washing machine having the electric motor.SOLUTION: In the rotor for an electric motor having a motor magnet part for generating torque by an excitation action with a stator, a position detection magnet part for detecting rotational position, and a rotor core comprising a laminate of electromagnetic steel sheets, the motor magnet part and the position detection magnet part are molded in an integral ring, and the position detection magnet part has smaller inside and outside diameters than the motor magnet part. Such a rotor is applied to the electric motor used in the washing machine or the like.
摘要翻译：要解决的问题：为了提供一种使用减少数量的部件以更容易地组装工作的电动机的转子，具有转子的电动机和具有电动机的洗衣机。解决方案：在用于电动机的转子具有通过与定子的激励作用产生转矩的电动机磁体部分，用于检测旋转位置的位置检测磁体部分和包括电磁钢板，电动机磁体部分和位置检测磁体部分的叠层的转子芯并且位置检测用磁体部的内径和外径比电动机磁体部分小。这样的转子被施加到洗衣机等中使用的电动马达。

2. 发明专利

JP2012228101A Rotor of rotary electric machine 审中-公开
标题翻译：旋转电机转子
公开(公告)号：JP2012228101A
公开(公告)日：2012-11-15
申请号：JP2011094676
申请日：2011-04-21
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： AKUTSU AKIRA , TOYODA EIJI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a rotary electric machine that is easily assembled and has favorable magnetic characteristics.SOLUTION: A rotor of a rotary electric machine includes a rotary core in which steel plates are laminated and a permanent magnet provided in the rotary core. The rotor includes a magnet fitting concave groove for fitting the permanent magnet, which is provided in the rotary core and becomes hollow from the periphery to the inside, and a magnet support member that supports the permanent magnet existing in the magnet fitting concave groove from an outer peripheral side. The magnet support member is alienated from the rotary core via the permanent magnet. The alienated magnet support member and rotary core are held by being interposed by a stationary core plate from both edge sides.
摘要翻译：要解决的问题：提供一种易于组装并具有良好磁特性的旋转电机的转子。解决方案：旋转电机的转子包括其中层压有钢板的旋转芯和设置在旋转芯中的永磁体。转子包括用于装配永磁体的磁体嵌合凹槽，该永磁体设置在旋转磁芯中并且从周向内部变为中空;以及磁体支撑构件，其将存在于磁体嵌合凹槽中的永磁体从外周边。磁体支撑构件经由永久磁铁与旋转磁芯分离。异形磁体支撑构件和旋转磁芯通过从两个边缘侧插入固定芯板来保持。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2009089546A Permanent magnet rotary electric machine for washing machine 有权
标题翻译：永磁电机旋转电机
公开(公告)号：JP2009089546A
公开(公告)日：2009-04-23
申请号：JP2007258216
申请日：2007-10-02
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SAKAMOTO KUNIHIRO , OHARAGI HARUO , TOYODA EIJI , NARITA HIROBUMI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet rotary electric machine for a washing machine which is applicable to high-speed rotation and has good recyclability.
SOLUTION: The permanent magnet rotary electric machine has a stator on which armature windings of concentrated winding are provided so as to surround teeth in a plurality of slots formed in a stator core. Permanent magnets are inserted into a plurality of recessed portions formed on the outside circumference of a yoke core. A rotor having magnetic pole cores covering the top parts of permanent magnets is supported rotatably via a prescribed gap on the inside circumference of the stator. The magnetic pole cores, the permanent magnets, and the yoke core are molded with a synthetic resin. The magnetic pole cores are not mechanically coupled to the yoke core. The inside circumferential surface of teeth, which has a circular arc surface different from that from the rotor center, and the outside circumferential surface of the magnetic pole cores have mutually a protruding shape.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供适用于高速旋转并且具有良好可回收性的洗衣机用永磁式旋转电机。解决方案：永磁旋转电机具有定子，集中绕组的电枢绕组被设置成围绕形成在定子芯中的多个槽中的齿围绕。永磁体插入形成在偏转磁轭的外周上的多个凹部中。具有覆盖永磁体顶部的磁极芯的转子通过定子的内周上的规定间隙可旋转地支撑。用合成树脂模制磁极芯，永久磁铁和轭铁芯。磁极芯不机械耦合到偏转磁轭。具有与转子中心不同的圆弧面的齿的内周面和磁极芯的外周面具有相互突出的形状。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009077602A Rotor of driving motor 审中-公开
标题翻译：驱动电机转子
公开(公告)号：JP2009077602A
公开(公告)日：2009-04-09
申请号：JP2007246453
申请日：2007-09-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NARITA HIROBUMI , OKAWA TOMOHIRO , TOYODA EIJI , SAKAMOTO KUNIHIRO
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a driving motor, in which mechanical coupling strength between a rotor core, a magnetic pole core piece and a rare-earth permanent magnet is increased when the rotor is molded with a synthetic resin in consideration with a conventional problem.
SOLUTION: This rotor is formed so that a rotor core, a magnetic pole core piece and a rare-earth permanent magnet are integrally molded by resin molding. In this rotor, in order to increase the mechanical strength by connection between the rotor core having weak mechanical strength and the synthetic resin, protrusion portions not contacting an end face of the rare-earth permanent magnet are provided between poles of the rotor core and the shape of each of the protrusions portion is formed to be larger in dimension in its tip portion than in its root portion toward the outer periphery in a radius direction, thereby firmly coupling the protrusion portions and the synthetic resin in a coming-off stopping direction for a centrifugal force when the rotor is molded with the synthetic resin. Thus, the rotor of a driving motor in which the mechanical strength is improved by integrally molding between the rotor core the magnetic pole core piece, and the rare-earth permanent magnet is provided.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种驱动电机的转子，其中当转子用合成树脂模制时，转子芯，磁极芯片和稀土永磁体之间的机械耦合强度增加考虑到常规问题。解决方案：该转子形成为通过树脂模制一体地模制转子芯，磁极芯片和稀土永磁体。在该转子中，为了通过机械强度低的转子铁心与合成树脂之间的连接来增加机械强度，在转子铁心的极点与不与稀土类永磁体的端面接触的突出部分每个突起部分的形状在其尖端部分的尺寸上形成为比其根部在径向方向上的外周尺寸更大，从而将突出部分和合成树脂牢固地联接在脱落停止方向上当合成树脂模制转子时的离心力。因此，提供了通过将转子铁芯与磁极铁心片一体成形来提高机械强度的驱动电动机的转子与稀土类永久磁铁。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2015061364A 回転子、磁石モータおよび洗濯機审中-公开
标题翻译：转子，磁铁电机和洗衣机
公开(公告)号：JP2015061364A
公开(公告)日：2015-03-30
申请号：JP2013192740
申请日：2013-09-18
申请人：日立アプライアンス株式会社 , Hitachi Appliances Inc
发明人： NARITA HIROBUMI , SAKAMOTO KUNIHIRO , KOHARAGI HARUO , TOYODA EIJI
IPC分类号： H02K1/27 , D06F37/30 , H02K15/03
摘要：【課題】所望の磁束量が得られるとともに、生産性に優れた回転子、磁石モータおよび洗濯機を提供することを目的とする。【解決手段】固定子に対して回転するように設けられた回転子であって、回転子は、回転子鉄心と着磁対象の磁石要素が交互に配置されて円環を形成し、樹脂材で覆うことにより固定され、回転子鉄心および磁石要素の内径側および外径側から着磁ヨークにて磁化方向が互いに対向するように着磁され、さらに、着磁後に回転子鉄心および磁石要素の内径側に補強部材を介してシャフト連結部材が設けられて構成されているとともに、磁石の円環方向厚み寸法をT、磁石の内径側寸法をWとした時、寸法比W/Tは0.6以上である。【選択図】図12
摘要翻译：要解决的问题：提供一种生产率优异，能够获得所需量的磁通量的转子，磁体电动机和洗衣机。解决方案公开了一种转子，其设置成相对于到定子。转子包括转子铁芯和作为磁化对象的磁性元件，磁性元件设置在转子芯的两侧。多个它们被布置成圆环形，并且通过完全被树脂材料覆盖而固定，然后通过来自转子芯和磁性元件的内径和外径侧的磁化轭磁化，使得每个磁化方向与彼此。此外，在磁化之后，通过加强构件在转子芯的内径侧和磁性元件上设置轴联结构件。当磁体的圆周方向的厚度尺寸为T且磁体的内径侧尺寸为W时，尺寸比W / T为0.6以上。

6. 发明专利

JP2013188036A Rotor for electric motor, electric motor, and washing machine 审中-公开
标题翻译：电动马达，电动马达和洗衣机转子
公开(公告)号：JP2013188036A
公开(公告)日：2013-09-19
申请号：JP2012052476
申请日：2012-03-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NARITA HIROBUMI , SAKAMOTO KUNIHIRO , TOYODA EIJI , KONISHI KUNIAKI
IPC分类号： H02K15/03 , D06F37/40 , H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor for an electric motor that protects a resin-molded magnet from cracking, an electric motor having the rotor, and a washing machine having the electric motor.SOLUTION: In the rotor for an electric motor having a magnet part for generating torque by an excitation action with a stator, and a rotor core comprising a laminate of electromagnetic steel sheets, the magnet part is molded in a ring from resin, and a plurality of abutment marks of a pin for discharging gas generated during the molding are circumferentially formed on an axial end face of the magnet part such that R/V is 0.20 or more, where R cm is a total circumferential length of the pin abutment marks and V cmis a volume of the magnet part. Such a rotor is applied to the electric motor used in the washing machine or the like.
摘要翻译：要解决的问题：提供一种用于保护树脂模制磁体免于破裂的电动机的转子，具有转子的电动机和具有电动机的洗衣机。解决方案：在具有电动机的电动机的转子中用于通过与定子的激励作用产生扭矩的磁体部分，以及包括电磁钢板的叠层的转子芯，所述磁体部分从树脂成型为环形，并且多个用于排出在模制件在磁体部件的轴向端面周向形成，使得R / V为0.20以上，其中R cm为销对接标记的总圆周长度，V cm为磁体部分的体积。这样的转子被施加到洗衣机等中使用的电动马达。

7. 发明专利

JP2013090515A Rotor of rotary electric machine 审中-公开
标题翻译：旋转电机转子
公开(公告)号：JP2013090515A
公开(公告)日：2013-05-13
申请号：JP2011231232
申请日：2011-10-21
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： AKUTSU AKIRA , TOYODA EIJI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a structure easy to be assembled, having good magnetic characteristics, and having strong holding power capable of withstanding acceleration of a rotor associated with improved characteristics of a rotary electric machine.SOLUTION: A rotor 8 of a rotary electric machine including a rotary core 20 in which steel plates are laminated, and permanent magnets 21 provided in the rotary core 20, comprises: magnet mounting recess grooves 25 provided in the rotary core 20 so as to be recessed from the outer periphery toward the inside, for mounting the permanent magnets 21; and magnet support members 22 for supporting the permanent magnets 21 existing in the magnet mounting recess grooves 25 from the outer periphery side. Fixing cores 23 are provided on both sides of the rotary core 21 in its axis direction.
摘要翻译：要解决的问题：提供易于组装的结构，具有良好的磁特性，并且具有能够承受与旋转电机的改进特性有关的转子加速度的强保持力的结构。解决方案：包括其中层压有钢板的旋转铁芯20和设置在旋转铁芯20中的永磁体21的旋转电机的转子8包括：设置在旋转铁芯20中的磁体安装凹槽25 为了安装永磁体21，从外周向内侧凹陷; 以及用于从外周侧支撑存在于磁体安装凹槽25中的永磁体21的磁体支撑构件22。固定芯23沿其轴线方向设置在旋转芯21的两侧。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2009089548A Permanent magnet rotary electric machine for driving fan of washing and drying machine 有权
标题翻译：永磁电动旋转电机，用于洗衣机和干燥机的驱动风扇
公开(公告)号：JP2009089548A
公开(公告)日：2009-04-23
申请号：JP2007258218
申请日：2007-10-02
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： AKUTSU AKIRA , IIZUKA SEIJI , OHARAGI HARUO , TOYODA EIJI
IPC分类号： H02K21/16 , D06F25/00 , D06F58/08 , H02K1/14 , H02K1/22 , H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet rotary electric machine for driving a fan of a washing and drying machine which is applicable to high-speed rotation and whose temperature rise can be suppressed especially in the case of light load.
SOLUTION: The permanent magnet rotary electric machine has a stator on which armature windings are provided in a plurality of slots formed in a stator core. A rotor having permanent magnets inserted into a plurality of permanent magnet insertion holes formed in a rotor core is supported rotatably on the inside circumference of the stator via a prescribed gap. Cut surfaces are formed on the outside circumferential surface between the permanent magnets in the rotor core. When the opening of rotor magnetic cores positioned at the top part of the permanent magnets is denoted as θ1, the opening of teeth width as θ2, and the pitch of slots as θ3, the machine is structured so as to satisfy the condition of θ2≤θ1≤θ3. The ratio (θ2/θ3) is set to ≥55%. When the opening of magnetic pole pieces extended in the circumferential direction at the inside circumferential side of teeth is denoted as θ4, the ratio (θ2/θ4) is set to ≥64%.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于驱动适用于高速旋转的洗涤干燥机的风扇的永磁式旋转电机，其特别是在轻负载的情况下可以抑制其温升。解决方案：永磁旋转电机具有定子，电枢绕组设置在形成在定子芯中的多个槽中。插入到形成在转子铁心中的多个永久磁铁插入孔中的永磁体的转子经由规定的间隙被可旋转地支撑在定子的内周上。切割面形成在转子铁芯中的永磁体之间的外周面上。当位于永磁体顶部的转子磁芯的开口被表示为θ1时，齿宽度为θ2，槽间距为θ3，机器的结构满足条件θ2≤ θ1≤θ3。比率（θ2/θ3）设定为≥55％。当在齿的内周侧沿圆周方向延伸的磁极片的开口被表示为θ4时，比率（θ2/θ4）被设定为≥64％。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009082575A Fan driving device for washing and drying machine 有权
标题翻译：用于洗衣和干燥机的风扇驱动装置
公开(公告)号：JP2009082575A
公开(公告)日：2009-04-23
申请号：JP2007258219
申请日：2007-10-02
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： IIZUKA SEIJI , AKUTSU AKIRA , OHARAGI HARUO , TOYODA EIJI
IPC分类号： D06F25/00 , D06F39/04 , D06F58/02 , D06F58/26 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide a fan driving device for a washing and drying machine which is capable of reducing energy consumption by using heat quantity generated in an electric machine for drying.
SOLUTION: The fan driving device for the washing and drying machine, includes the fan of the washing and drying machine and permanent magnet type rotary electric machine. Power from a single-phase power source is supplied from an inverter, so as to drive the permanent magnet type rotary electric machine. Concerning the permanent magnet type rotary electric machine, a stator, where the armature winding wire of concentrated winding is wound so as to enclose teeth inside a plurality of slots formed in a stator iron core, and an embedded magnet type rotator, where rare-earth permanent magnets are stored in a plurality of permanent magnet insertion holes formed in the rotator iron core, are freely roratably supported via a prescribed gap in the inner circumference of the stator. A metallic shaft is engaged with a shaft hole arranged at the center of the rotator iron core. A nonferrous metal fan is fixed to the end of the shaft. The heat quantity generated in the rotator iron core by the armature electric current of a distorted wave controlled and supplied by the inverter is transmitted to the fan.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过使用在电机中产生的热量来干燥来减少能量消耗的洗衣干燥机的风扇驱动装置。
解决方案：洗衣干燥机的风扇驱动装置，包括洗衣干燥机和永磁式旋转电机的风扇。来自单相电源的功率由逆变器提供，以驱动永磁式旋转电机。关于永磁式旋转电机，其中卷绕有集中绕组的电枢绕组线以将齿形成在定子铁芯中形成的多个槽内的定子和嵌入式磁体型转子，其中稀土永久磁铁存储在形成在转子铁芯中的多个永磁体插入孔中，通过定子的内周中的规定间隙自由地支撑。金属轴与设置在转子铁芯的中心的轴孔接合。有色金属风扇固定在轴的末端。通过逆变器控制并提供的失真波的电枢电流在转子铁芯中产生的热量被传送到风扇。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009077603A Electric motor 审中-公开
标题翻译：电动马达
公开(公告)号：JP2009077603A
公开(公告)日：2009-04-09
申请号：JP2007246464
申请日：2007-09-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NARITA HIROBUMI , OKAWA TOMOHIRO , TOYODA EIJI , SAKAMOTO KUNIHIRO
IPC分类号： H02K5/04 , H02K1/18 , H02K1/28 , H02K15/14
摘要： PROBLEM TO BE SOLVED: To provide an electric motor which reduces a time required for press working of a stator frame and a rotor frame for complementing the bending strength of a stator core and a rotor core which are split, and improves a yield of materials to be used.
SOLUTION: In this electric motor, the stator frame has: a stator cylindrical portion in which the outer periphery of a stator core is fitted to the inner periphery of the stator frame; and an annular stator flange portion extending substantially perpendicular in the outer peripheral direction from one end of the stator cylindrical portion. The rotor frame has: a rotor cylindrical portion in which the inner periphery of the rotor core is fitted to the outer periphery of the stator cylindrical portion; and a plate-like rotor disk portion extending substantially perpendicularly in the inner peripheral direction from one end of the rotor cylindrical portion. The outer diameter of the rotor cylindrical portion of the rotor frame is made smaller than the inner diameter of the stator cylindrical portion of the stator frame, and in press working, the stator frame and the rotor frame are composite-pressed from a common plate steel material so that the rotor frame exists inside the stator frame.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种电动机，其减少定子框架和转子架的冲压加工所需的时间，以补充分裂的定子芯和转子芯的弯曲强度，并提高产量的材料使用。解决方案：在该电动机中，定子架具有：定子圆筒部，定子芯的外周嵌合于定子框架的内周; 以及从定子圆筒部的一端沿外周方向大致垂直地延伸的环状的定子凸缘部。转子架具有：转子圆筒部，转子芯的内周嵌合于定子圆筒部的外周; 以及从转子圆筒部的一端沿内周方向大致垂直地延伸的板状转子盘部。转子架的转子圆筒部的外径小于定子框架的定子圆筒部的内径，在加压时，定子框架和转子架从共同的板钢使得转子架存在于定子架内部。版权所有（C）2009，JPO＆INPIT

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