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1. 发明授权

US09467011B2 Mold stator, electric motor, and air-conditioner outdoor unit 有权
标题翻译：模具定子，电动机和空调室外机组
公开(公告)号：US09467011B2
公开(公告)日：2016-10-11
申请号：US14343102
申请日：2012-10-19
申请人： Mitsubishi Electric Corporation
发明人： Koji Yabe , Naohiro Oketani , Hiroshi Yamanaka , Hironori Yabuuchi , Takayuki Onihashi
IPC分类号： H02K1/04 , H02K1/16 , H02K1/14 , H02K5/08
CPC分类号： H02K1/165 , H02K1/148 , H02K5/08
摘要： A mold stator is configured to include a stator core and a mold resin that covers the stator core. A divided-core part includes a yoke part that is arranged coaxially with a rotor that is provided in the stator core, a teeth part that extends from the yoke part in a radially-inward direction, and a teeth distal-end part that is formed at a radially-inward end part of the teeth part. An outer-circumferential flat-surface part is formed on an outer circumferential surface of the yoke part and an outer-circumferential flat-surface part is formed at a position on an outer circumferential surface of the mold stator opposing the flat-surface part of the yoke part.
摘要翻译：模具定子被构造成包括定子芯和覆盖定子芯的模制树脂。分心部包括与设置在定子铁芯中的转子同轴配置的轭部，从磁轭部沿径向向内方向延伸的齿部，以及形成有齿部的齿前端部在齿部的径向向内端部。在该磁轭部的外周面上形成有外周平面部，在该定子的外周面的与该平坦面的平面部相对的位置上形成有外周平坦面部轭部分。

2. 发明申请

US20150236558A1 ELECTRIC MOTOR HAVING EMBEDDED PERMANENT MAGNETS 有权
标题翻译：具有嵌入式永久磁铁的电动机
公开(公告)号：US20150236558A1
公开(公告)日：2015-08-20
申请号：US14431077
申请日：2013-10-02
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Naohiro Oketani , Masahiro Nigo , Kazuhiko Baba , Koji Yabe
IPC分类号： H02K1/28 , H02K1/27
CPC分类号： H02K1/28 , H02K1/276
摘要： A rotor of an interior permanent magnet motor includes a rotor core having a plurality of magnet insertion holes, a shaft, a plurality of rare-earth magnets, and a pair of magnet fixing members. One surface of the magnet fixing member is provided with a plurality of pairs of tongue-like portions, and the tongue-like portions are inserted into the magnet insertion holes. On each of both sides in a rotary shaft direction, the rare-earth magnets have both end surfaces in a rotor circumferential direction sandwiched by a corresponding pair of tongue-like portions. An interval between the tongue-like portions includes, at a position separated from a base position, an interval that is smaller than the width of the rare-earth magnet in the rotor circumferential direction.
摘要翻译：内置永磁电动机的转子包括具有多个磁铁插入孔的转子铁芯，轴，多个稀土磁体和一对磁铁固定构件。磁体固定构件的一个表面设置有多对舌状部分，并且舌状部分插入到磁体插入孔中。在旋转轴方向的两侧中，稀土类磁铁具有由相应的一对舌状部夹持的转子圆周方向的两端面。舌状部之间的间隔在与基座位置分离的位置处包括比转子圆周方向上的稀土类磁体的宽度小的间隔。

3. 发明授权

US11509194B2 Motor with rotor and endplates with blade parts and cooling hole 有权
公开(公告)号：US11509194B2
公开(公告)日：2022-11-22
申请号：US16483240
申请日：2017-03-21
申请人： Mitsubishi Electric Corporation
发明人： Naohiro Oketani
IPC分类号： H02K9/06 , H02K1/276 , H02K21/14 , H02K1/32 , H02K5/20
摘要： A motor comprises a rotor including: a rotor core to rotate on a rotary shaft; a permanent magnet inserted in a magnet insertion hole formed in the rotor core; first and second end plates provided on both end faces of the rotor core respectively in a direction of the rotary shaft; and a blade part provided on a surface of the first end plate to surround the rotary shaft. The rotor includes a cooling hole having an opening between the blade part of the first end plate and the rotary shaft and passing through the rotor core and the second end plate.

4. 发明授权

US11435092B2 Rotor, electric motor, compressor, air conditioner, and manufacturing method of rotor 有权
公开(公告)号：US11435092B2
公开(公告)日：2022-09-06
申请号：US16768167
申请日：2017-12-07
申请人： Mitsubishi Electric Corporation
发明人： Naohiro Oketani
IPC分类号： H02K1/27 , H02K15/03 , F24F1/22 , F24F1/12 , H02K1/274 , H02K1/2706 , H02K9/22 , H02K1/06
摘要： A rotor includes a rare-earth magnet magnetized in a radial direction, a rotor core, and a thermal conduction sheet formed of a deformable material. The rotor core includes a first part, a thin-wall part including a second part that is harder than the first part, and a magnet insertion hole. The thin-wall part is situated between a region of end of the magnet insertion hole in a circumferential direction and an outer edge of the rotor core.

5. 发明授权

US11309772B2 Electric motor, air conditioner, vacuum cleaner, and method for producing electric motor 有权
公开(公告)号：US11309772B2
公开(公告)日：2022-04-19
申请号：US16608883
申请日：2017-07-10
申请人： Mitsubishi Electric Corporation
发明人： Naohiro Oketani
IPC分类号： H02K9/22 , A47L5/22 , A47L9/22 , A47L9/28 , F24F1/0018 , H02K1/14 , H02K3/18 , H02K3/28 , H02K7/08 , H02K15/02 , H02K21/16
摘要： An electric motor includes a stator, and a metal component that is in contact with the stator. The stator includes a first tooth, a second tooth, a first winding wound around the first tooth by concentrated winding, a second winding wound around the second tooth by concentrated winding, and a thermal conduction sheet held between the first winding and the second winding. The thermal conduction sheet is held between the metal component and the first winding in a deformed state.

6. 发明授权

US12003136B2 Winding method 有权
公开(公告)号：US12003136B2
公开(公告)日：2024-06-04
申请号：US18066496
申请日：2022-12-15
申请人： Mitsubishi Electric Corporation
发明人： Naohiro Oketani
IPC分类号： H02K1/14 , A47L5/24 , A47L9/00 , A47L9/22 , H02K1/2733 , H02K3/18 , H02K3/32 , H02K5/15 , H02K7/14 , H02K15/02 , H02K15/095 , H02K15/10 , H02K21/16 , H02K5/173
CPC分类号： H02K1/148 , A47L5/24 , A47L9/00 , A47L9/22 , H02K1/2733 , H02K3/18 , H02K3/325 , H02K5/15 , H02K7/14 , H02K15/022 , H02K15/095 , H02K15/10 , H02K21/16 , H02K5/1732
摘要： A stator includes a yoke extending in a circumferential direction about an axis line, a tooth extending from the yoke in a first direction toward the axis line, and a coil wound around and fixed to the tooth. The yoke has an inner wall surface facing the axis line. The tooth has a root part connected to the yoke. The inner wall surface of the yoke is a flat surface extending from an end of the root part of the tooth in the circumferential direction to an inner circumferential side relative to a plane passing through the end and perpendicular to the first direction.

7. 发明申请

US20150084444A1 MOLD STATOR, ELECTRIC MOTOR, AND AIR-CONDITIONER OUTDOOR UNIT 有权
标题翻译：模具定子器，电动马达和空气调节器室外单元
公开(公告)号：US20150084444A1
公开(公告)日：2015-03-26
申请号：US14343102
申请日：2012-10-19
申请人： Mitsubishi Electric Corporation
发明人： Koji Yabe , Naohiro Oketani , Hiroshi Yamanaka , Hironori Yabuuchi , Takayuki Onihashi
IPC分类号： H02K1/16
CPC分类号： H02K1/165 , H02K1/148 , H02K5/08
摘要： A mold stator is configured to include a stator core and a mold resin that covers the stator core. A divided-core part includes a yoke part that is arranged coaxially with a rotor that is provided in the stator core, a teeth part that extends from the yoke part in a radially-inward direction, and a teeth distal-end part that is formed at a radially-inward end part of the teeth part. An outer-circumferential flat-surface part is formed on an outer circumferential surface of the yoke part and an outer-circumferential flat-surface part is formed at a position on an outer circumferential surface of the mold stator opposing the flat-surface part of the yoke part.
摘要翻译：模具定子被构造成包括定子芯和覆盖定子芯的模制树脂。分芯部件包括与设置在定子铁心中的转子同轴配置的磁轭部分，从磁轭部沿径向向内方向延伸的齿部分和形成的齿顶端部分在齿部的径向向内端部。在该磁轭部的外周面上形成有外周平面部，在该定子的外周面的与该平坦面的平面部相对的位置上形成有外周平坦面部轭部分。

8. 发明授权

US10862357B2 Permanent-magnet-embedded electric motor, blower, and refrigerating air conditioner 有权
公开(公告)号：US10862357B2
公开(公告)日：2020-12-08
申请号：US15555995
申请日：2015-03-18
申请人： Mitsubishi Electric Corporation
发明人： Kazuhiko Baba , Naohiro Oketani , Koji Yabe
IPC分类号： H02K1/27 , H02K21/16 , B60H1/32 , H02K1/14
摘要： A permanent-magnet-embedded electric motor includes a stator core including a yoke and a plurality of teeth, a rotor core including a plurality of magnet insertion holes, and a plurality of permanent magnets respectively inserted into the magnet insertion holes, each being arranged with a lateral direction set in a radial direction of the rotor core and with a longitudinal direction set in a direction orthogonal to the radial direction. When a width of base sections of the teeth is represented as S1, a width of a distal end sections of the teeth is represented as S2, a width of the permanent magnets in the longitudinal direction is represented as R1, and a width of the magnet insertion holes in an extension direction thereof is represented as R2, relations of S1≤R1

9. 发明授权

US10348144B2 Permanent-magnet-embedded motor 有权
公开(公告)号：US10348144B2
公开(公告)日：2019-07-09
申请号：US15305720
申请日：2014-06-11
申请人： Mitsubishi Electric Corporation
发明人： Naohiro Oketani , Kazuhiko Baba
IPC分类号： H02K1/27
摘要： A rotor iron core includes: a plurality of first iron cores and arranged in an outer side in a radial direction of each permanent magnet; and a second iron core with mechanical strength higher than mechanical strength of each first iron core and that includes an inner iron core arranged on an inner side in the radial direction of each permanent magnet and a plurality of inter-magnetic pole iron cores formed integrally with the inner iron core and arranged between magnetic poles of each permanent magnet, wherein each inter-magnetic pole iron core is formed from an end part in a circumferential direction of each first iron core to the inner iron core, and a flux barrier is formed between each permanent magnet and each inter-magnetic pole iron core.

10. 发明授权

US10302136B2 Motor and method for producing the same 有权
公开(公告)号：US10302136B2
公开(公告)日：2019-05-28
申请号：US15758064
申请日：2015-11-04
申请人： Mitsubishi Electric Corporation , Mitsubishi Electric Home Appliance Co., Ltd.
发明人： Naohiro Oketani , Satoshi Hakoda , Mamoru Hayatsu , Takehiko Ajima , Mitsumasa Hamazaki , Yuta Takahashi
IPC分类号： F16C35/07 , H02K5/173 , F16C19/50 , H02K5/04 , H02K15/14 , F16C19/06 , F16C27/06 , F16C19/54
摘要： A motor includes a frame including a first bearing holder, a stator, a first bearing held in the first bearing holder, a rotor rotatably supported by the first bearing, and a preload member generating a preload in a direction of an axis line of the rotor. The frame further includes a first frame part. The first frame part includes a support part supporting the preload member. An outer end part of the preload member faces the support part so as to be covered with the support part.

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