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1. 发明专利

JP2013009541A Magnet motor and drum washing machine having magnet motor 有权
标题翻译：具有磁铁电机的磁铁电机和洗衣机
公开(公告)号：JP2013009541A
公开(公告)日：2013-01-10
申请号：JP2011141341
申请日：2011-06-27
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SAKAMOTO KUNIHIRO , NARITA HIROBUMI , TOYODA EIJI , KOHARAGI HARUO , KONISHI KUNIAKI , ENDO MASAKAZU , WAKUI SHINICHI
IPC分类号： H02K1/14 , D06F23/02 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To provide a magnet motor that reduces noise, even when ferrite magnets are used, while ensuring properties.SOLUTION: A magnet motor includes: a stator 10 that has a plurality of slots 14 formed in a stator core 13, and teeth 12 around which concentrated armature windings 15 are wound; and a rotor 30 that is configured by radial arrangement of permanent magnets that form magnetic poles. An inner circumferential surface of each of the teeth 12 has a nonconcentric shape 17 convex toward the rotor 30. A bevel 16 is formed at each circumferential end of the nonconcentric shape 17.
摘要翻译：要解决的问题：即使在使用铁氧体磁体的同时确保性能的同时，也提供降低噪音的磁铁电动机。磁体电动机包括：定子10，其具有形成在定子芯13中的多个狭槽14和缠绕集中电枢绕组15的齿12; 以及由形成磁极的永磁体的径向配置构成的转子30。每个齿12的内圆周表面具有朝向转子30凸出的非同心形状17.在非同心形状17的每个圆周端处形成斜面16。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012217269A Rotor, magnet motor, and washing machine 有权
标题翻译：转子，磁铁电机和洗衣机
公开(公告)号：JP2012217269A
公开(公告)日：2012-11-08
申请号：JP2011080796
申请日：2011-03-31
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SAKAMOTO KUNIHIRO , NARITA HIROBUMI , TOYODA EIJI , KOHARAGI HARUO , KONISHI KUNIAKI , ENDO MASAKAZU , WAKUI SHINICHI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor, a magnet motor, and a washing machine excellent in productivity as well as capable of obtaining a desired magnetic flux amount.SOLUTION: A rotor 30 includes rotor cores 31, and magnetic elements which are objects of magnetization arranged on both sides of the rotor cores 31. A plurality of these are arranged in a circular ring shape and completely covered with resin material 33 to be fixed, then become magnetized by magnetization yokes from both inner diameter and outer diameter sides of the rotor cores 31 and magnetic elements so that the magnetization direction opposes to each other. Furthermore, after the magnetization, a shaft coupling member is disposed on the inner diameter side of the rotor cores 31 and the magnetic elements via a reinforcement member. Recessed parts 39a are formed on the rotor cores 31 so that a resin material 34, which molds the reinforce member, is filled and fused therein.
摘要翻译：要解决的问题：提供一种生产率优异并且能够获得期望的磁通量的转子，磁体电动机和洗衣机。解决方案：转子30包括转子芯31和作为磁化对象的磁性元件，其设置在转子芯31的两侧。多个这些以圆环形状布置，并被树脂材料33完全覆盖被固定，然后通过来自转子芯31和磁性元件的内径和外径侧的磁化轭磁化，使得磁化方向彼此相反。此外，在磁化之后，通过加强构件将轴联结构件设置在转子芯31的内径侧和磁性元件上。凹部39a形成在转子芯31上，使得将加强构件成形的树脂材料34填充并熔合在其中。版权所有（C）2013，JPO＆INPIT

3. 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。

4. 发明专利

JP2013099064A Permanent magnet type motor and sealed type compressor using the same 审中-公开
标题翻译：永磁式电动机和密封式压缩机使用相同
公开(公告)号：JP2013099064A
公开(公告)日：2013-05-20
申请号：JP2011238392
申请日：2011-10-31
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： HIRAYAMA HIROSHI , KOHARAGI HARUO , NAKAMURA KOSAKU
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type motor capable of vastly reducing an amount of leakage magnetic flux between rotor magnetic poles and efficiently enhancing motor performance without increasing a motor size, and a sealed type compressor.SOLUTION: The permanent magnet type motor consists of a stator having armature coils provided in a plurality of slots formed along the cylindrical inner peripheral surface of a stator core, and a rotor facing the cylindrical inner peripheral surface of the stator core, provided to separate a plurality of permanent magnets in an outer peripheral direction of a rotor core and rotatably provided. A rotor core composing the rotor is composed of an inner diameter side iron core 6 and a plurality of outer diameter side iron cores 7 separated in a radial direction to the inner diameter side iron core, and each outer diameter side iron core inserts one permanent magnet 3 between the inner diameter side iron core and the outer diameter side iron core, and is fixed to the inner diameter side iron core.
摘要翻译：要解决的问题：提供一种能够大大减少转子磁极之间的泄漏磁通量并且在不增加电动机尺寸的情况下有效提高电动机性能的永磁式电动机和密封型压缩机。解决方案：永磁式电动机由定子构成，该定子具有设置在沿定子铁心的圆筒形内周面形成的多个槽中的电枢线圈和面向定子铁芯的圆筒形内周面的转子，以在转子芯的外周方向上分离多个永磁体并且可旋转地设置。构成转子的转子铁芯由内径侧铁芯6和沿径向分离的内径侧铁芯的多个外径侧铁芯7构成，并且每个外径侧铁芯都插入一个永久磁铁 3在内径侧铁芯和外径侧铁芯之间，固定在内径侧铁芯上。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2013013266A Ac commutator electric motor, motor-driven air blower and electric cleaner employing ac commutator electric motor 审中-公开
标题翻译：交流电机电动机，电机驱动的空气鼓风机和电动清洁器使用交流电动机电动机
公开(公告)号：JP2013013266A
公开(公告)日：2013-01-17
申请号：JP2011145160
申请日：2011-06-30
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NISHIOKA YOSHIYUKI , JORAKU FUMIO , KOHARAGI HARUO
IPC分类号： H02K27/22 , A47L9/00 , H02K13/00 , H02K13/10
摘要： PROBLEM TO BE SOLVED: To solve the problem that, when using an auxiliary brush in order to suppress rectification sparks of a compact commutator electric motor, if the auxiliary brush is installed in the same direction as a main brush, an interval between installation positions of the main brush and the auxiliary brush in an axial direction is narrow and it is difficult to use a conventional brush holder for the main brush as it is.SOLUTION: In a commutator electric motor including an auxiliary brush, the auxiliary brush is provided in a forward moving direction with respect to a rotating direction of a commutator. When a point where a centerline of a main brush and the commutator contact are contacted is defined as (a), a point where a centerline of the auxiliary brush and the commutator contact are contacted is defined as (b) and a center point of the commutator is defined as (c), if an angle ∠acb formed by a line ac and a line cb is θ1, an angle θ2 formed from the centerline of the main brush and the centerline of the auxiliary line becomes θ2>θ1, thereby fixing a brush holder for the auxiliary brush in a place different from a brush holder fixing part for the main brush.
摘要翻译：要解决的问题为了解决当使用辅助刷以抑制紧凑型换向器电动机的整流火花时，如果辅助刷安装在与主刷相同的方向上，则间隔主刷和辅助刷在轴向上的安装位置较窄，难以使用传统的主刷子用于主刷。解决方案：在包括辅助刷的换向器电动机中，辅助刷相对于换向器的旋转方向在向前移动的方向上设置。当主刷和换向器触点的中心线接触的点被定义为（a），辅助刷和换向器触头的中心线接触的点被定义为（b）和换流器定义为（c），如果由线ac和线cb形成的角度∠acb为θ1，则从主电刷的中心线和辅助线的中心线形成的角度θ2成为θ2>θ1，由此固定在与主刷的刷架固定部不同的地方用于辅助刷的刷架。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2014155315A Ac rectifier motor and electric blower employing the same 审中-公开
标题翻译：交流整流器电动机和使用其的电动喷雾器
公开(公告)号：JP2014155315A
公开(公告)日：2014-08-25
申请号：JP2013022806
申请日：2013-02-08
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： ITO MASAHIRO , NORIZUKI KUNIHIKO , KOHARAGI HARUO , JORAKU FUMIO , ITO NORIKAZU , USUI EIKICHI
IPC分类号： H02K1/14
摘要： PROBLEM TO BE SOLVED: To reduce an armature reaction which causes rectification deterioration, to improve rectification performance and to also improve efficiency at the same time, in an AC rectifier electric blower comprising a rectifier.SOLUTION: An AC rectifier motor comprises: a stator 1 including a substantially annular yoke 11, a pair of magnetic poles 12 which are formed to oppose the inside of the yoke, and a field coil 14 wound around the magnetic poles; a shaft 6 which is disposed between the magnetic poles in a freely rotatable manner; an armature 2 including an armature core 21 fixed to the shaft, an armature coil 22 wound around a plurality of teeth 23 which are formed in an outer circumference of the armature core, and a rectifier 25 connected to the armature coil; and a pair of carbon brushes 7 which are electrically contacted by mechanically contacting with the rectifier. Each of the magnetic poles includes a hole 15 in the vicinity of the center, and a hole 17 is also provided in the magnetic pole at least in a counter-rotation-direction (a magnetizing part).
摘要翻译：要解决的问题：在包括整流器的交流整流电动鼓风机中，为了减少导致整流劣化的电枢反应，提高整流性能并且同时提高效率。交流整流电动机包括：定子1 包括大致环形的磁轭11，形成为与磁轭的内侧相对的一对磁极12和缠绕在磁极上的励磁线圈14。轴6，其以可自由旋转的方式设置在所述磁极之间; 包括固定在轴上的电枢铁芯21的电枢2，缠绕在形成于电枢铁心的外周的多个齿23的电枢线圈22和与电枢线圈连接的整流器25; 以及与整流器机械接触而电接触的一对碳刷7。每个磁极包括在中心附近的孔15，并且至少在反向旋转方向（磁化部分）上还在磁极中设置孔17。

7. 发明专利

JP2014017910A Pump device and pump drive motor 审中-公开
标题翻译：泵装置和泵驱动电机
公开(公告)号：JP2014017910A
公开(公告)日：2014-01-30
申请号：JP2012151999
申请日：2012-07-06
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUJITA KATSUTOSHI , KOHARAGI HARUO
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a pump drive motor for a pump device using a resin molded magnet for the rotor magnet to obtain high performance.SOLUTION: Provided is a pump device comprising a pump drive motor, a pump unit for rotating impeller installed inside a casing by the pump drive motor to perform pumping, and a control unit for changing the revolution speed of the pump drive motor to control the pump unit, said pump device being characterized in that the rotor of the pump drive motor comprises a rotor core composed of a laminate of multiple magnetic steel sheets formed by press punching and a cylindrical rotor magnet provided on the outer periphery of the rotor core and using samarium iron nitrogen (SmFeN) for the magnetic material, and that the rotor magnet is a rein molded magnet having its magnetic field orientation arranged in a Halbach array inside a molding die at the same time it is molded, and the rotor core and the rotor magnet are concentrically fitted having a gap in between.
摘要翻译：要解决的问题：提供一种用于转子磁体的树脂模制磁体的泵装置的泵驱动电动机，以获得高性能。解决方案：提供一种泵装置，其包括泵驱动电动机，用于将叶轮安装在内部的泵单元由泵驱动马达进行泵送的壳体，以及用于改变泵驱动马达的转速以控制泵单元的控制单元，所述泵装置的特征在于，所述泵驱动马达的转子包括：通过冲压冲压形成的多个电磁钢板和设置在转子铁芯的外周上的圆柱形转子磁体并使用用于磁性材料的钐铁氮（SmFeN）的层叠体，并且转子磁体是具有其磁场取向在成型模具的内部以Halbach阵列排列，同时被模制，并且转子芯和转子磁体同心配合，具有间隙之间。

8. 发明专利

JP2013013267A Ac commutator electric motor, motor-driven air blower and electric cleaner employing ac commutator electric motor 审中-公开
标题翻译：交流电机电动机，电机驱动的空气鼓风机和电动清洁器使用交流电动机电动机
公开(公告)号：JP2013013267A
公开(公告)日：2013-01-17
申请号：JP2011145163
申请日：2011-06-30
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： IIZUKA SEIJI , KOHARAGI HARUO , JORAKU FUMIO , NORIZUKI KUNIHIKO , NISHIOKA YOSHIYUKI
IPC分类号： H02K27/00 , A47L9/00 , H02K1/14 , H02K3/28
摘要： PROBLEM TO BE SOLVED: To provide an AC commutator electric motor which reduces a pulsation torque and stabilizes rectification.SOLUTION: A rotor 15 includes a stator 7 and a commutator 12. The stator 7 includes a stator iron core 5 having a yoke part 53, a magnetic pole part 54 and a field magnetic winding wire 6 wound around the magnetic pole part 54. Armature wiring 14 is applied into a lamp-shaped slot formed in an armature iron core 11 and connected with the commutator 12. A double-pole AC commutator electric motor exchanges power with the armature winding wire 14 via the commutator 12 and a brush. The number of armature slots is set to 11 (odd number) and the number of commutator pieces is set to 22 (U=2) that is double the number of armature slots.
摘要翻译：要解决的问题：提供减少脉动转矩并稳定整流的AC换向器电动机。解决方案：转子15包括定子7和换向器12.定子7包括定子铁芯5，该定子铁芯5具有磁轭部分53，磁极部分54和缠绕在磁极部分上的磁场磁绕组线6 电枢布线14被施加到形成在电枢铁芯11中并与换向器12连接的灯形槽中。双极交流换向器电动机通过换向器12和电刷与电枢绕组线14交换电力。电枢槽数设定为11（奇数），换向片数量设定为22（U = 2），为电枢槽数的两倍。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2013009542A Drum washing machine using magnet motor 审中-公开
标题翻译：鼓风机使用磁铁电机
公开(公告)号：JP2013009542A
公开(公告)日：2013-01-10
申请号：JP2011141343
申请日：2011-06-27
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SAKAMOTO KUNIHIRO , NARITA HIROBUMI , TOYODA EIJI , KOHARAGI HARUO , KONISHI KUNIAKI , ENDO MASAKAZU , WAKUI SHINICHI
IPC分类号： H02K1/14 , D06F37/30 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To provide a drum washing machine employing a magnet motor that, even when ferrite magnets with low coercive force are used, ensures requisite torque characteristics and also prevents demagnetization of the ferrite magnets.SOLUTION: In a drum washing machine, a magnet motor that drives a rotating drum undergoes a field-weakening operation during a spin-drying operation. The magnet motor includes a rotor and a stator. The rotor is configured by radial arrangement of permanent magnets that form magnetic poles. The stator has a plurality of slots formed in a stator core, and teeth around which concentrated winding armature coils are wound. The width of each of the teeth is made larger on a radially outer side that on a radially inner side.
摘要翻译：要解决的问题：提供一种采用磁电机的滚筒洗衣机，即使使用低矫顽力的铁氧体磁体，也能够确保必要的转矩特性，并且还能够防止铁氧体磁体的退磁。解决方案：在滚筒洗衣机中，驱动旋转滚筒的磁体马达在旋转干燥操作期间经历弱磁操作。磁铁包括转子和定子。转子由形成磁极的永磁体的径向布置构成。定子具有形成在定子铁芯中的多个槽和围绕集线绕组电枢线圈的齿。每个齿的宽度在径向内侧的径向外侧较大。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2014057487A Ac commutator motor 审中-公开
标题翻译：交流电机
公开(公告)号：JP2014057487A
公开(公告)日：2014-03-27
申请号：JP2012202193
申请日：2012-09-14
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： ITO MASAHIRO , KOHARAGI HARUO , NORIZUKI KUNIHIKO , JORAKU FUMIO , NISHIOKA YOSHIYUKI
IPC分类号： H02K1/14 , H02K27/00
摘要： PROBLEM TO BE SOLVED: To reduce armature reaction which could cause deteriorated rectification of an AC commutator motor, improve rectification performance, and realize torque improvement.SOLUTION: There is provided an AC commutator motor having: a stator 1 made up of an approximately annular yoke part 11, a pair of magnetic pole parts 12 formed so as to face an inner periphery side of the yoke part, and a field coil 14 wound to the magnetic pole parts; an armature 2 made up of a shaft 6 arranged between the magnetic pole parts freely rotatably, an armature core 21 fixed to the shaft, an armature coil 22 wound to a plurality of teeth 23 which are formed on the outer periphery of the armature core, and a commutator 25 connected to the armature coil; and a pair of brushes 7 which is electrically connected by mechanically contacting the commutator. A slit 15 which is narrower toward the inner periphery side and wider toward the outer periphery side is provided at a position deviated in a rotation direction of each magnetic pole part, and when seen from the axial direction of the shaft, the pair of brushes move in a counter rotation direction to the pair of magnetic pole parts.
摘要翻译：要解决的问题：为了减少可能导致交流换向马达整流恶化的电枢反应，提高整流性能，实现扭矩改善。解决方案：提供一种交流换向马达，其具有：由大致环形的轭部分11是形成为面对轭部的内周侧的一对磁极部分12和缠绕在磁极部分上的励磁线圈14; 由可自由旋转地布置在磁极部件之间的轴6构成的电枢2，固定在轴上的电枢铁芯21，缠绕在形成在电枢铁心的外周上的多个齿23的电枢线圈22，连接到电枢线圈的换向器25; 以及通过机械地接触换向器电连接的一对电刷7。在每个磁极部的旋转方向上偏离的位置上设置有朝向内周侧变窄且朝向外周侧变窄的狭缝15，从轴的轴向观察时，一对电刷移动在与该对磁极部对置的反转方向上。

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