JP5240593B2 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- JP5240593B2 JP5240593B2 JP2011151637A JP2011151637A JP5240593B2 JP 5240593 B2 JP5240593 B2 JP 5240593B2 JP 2011151637 A JP2011151637 A JP 2011151637A JP 2011151637 A JP2011151637 A JP 2011151637A JP 5240593 B2 JP5240593 B2 JP 5240593B2
- Authority
- JP
- Japan
- Prior art keywords
- connecting portion
- magnet
- magnetic pole
- permanent magnet
- gap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
Description
2 固定子
3 回転子
9 シャフト(回転軸)
10 積層鉄心(鉄心)
11 永久磁石
12 連結部
13 磁極部
14 磁石用空隙
14′ 磁石用空隙
15 肉厚部
16 本体部
16′ 本体部
17 接続部
18 鍔部
19 テーパ部
20 所定の隙間
C 接続部位
Claims (4)
- 固定子と回転子を有する回転電機であって、
前記回転子は、
回転軸を囲む筒状の連結部及び前記連結部の半径方向外側に極数に応じて設けられた複数の磁極部を一体に備えた鉄心と、
前記磁極部相互間に配置された複数の永久磁石と、
を有し、
前記鉄心は、
前記連結部の半径方向外側における前記磁極部相互間に、軸方向に貫通した複数の磁石用空隙を有するとともに、
前記連結部より半径方向外側に延びる、板状の接続部を有しており、
前記永久磁石は、
円周方向両側それぞれにおける半径方向内側端部を欠き取るように設けたテーパ部を備えた、略矩形の断面形状を備えており、
かつ、隣接する2つの前記永久磁石において、前記テーパ部より半径方向外側部分を円周方向に離間させつつ、互いの前記テーパ部同士を前記板状の接続部を介し円周方向に対向して配置されており、
かつ、前記永久磁石は、
半径方向外側の表面が前記磁石用空隙の内周面に密着し、半径方向内側の表面と前記連結部との間に所定の隙間を有するように、前記磁石用空隙に設置されている
ことを特徴とする回転電機。 - 前記磁極部は、
前記永久磁石の半径方向外側の表面の少なくとも一部が露出するように当該表面の一部を覆う鍔部を有し、
前記永久磁石は、
前記半径方向外側の表面が前記鍔部の半径方向内側の表面に密着するように、前記磁石用空隙に設置される
ことを特徴とする請求項1に記載の回転電機。 - 前記連結部は、
円周方向における前記磁極部との接続部位近傍に、当該接続部位以外の円周方向位置よりも半径方向の厚みが大きい肉厚部を有している
ことを特徴とする請求項1又は2に記載の回転電機。 - 前記連結部の半径方向外側の表面は、
前記磁極部との接続部位相互間において平坦面となっている
ことを特徴とする請求項1乃至3のいずれか1項に記載の回転電機。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011151637A JP5240593B2 (ja) | 2011-07-08 | 2011-07-08 | 回転電機 |
US13/541,025 US9281723B2 (en) | 2011-07-08 | 2012-07-03 | Rotary electric machine with tapered permanent magnet |
EP12175054A EP2544336A2 (en) | 2011-07-08 | 2012-07-05 | Rotary electric machine |
CN2012203298786U CN202759303U (zh) | 2011-07-08 | 2012-07-06 | 旋转电机 |
CN2012102347050A CN102868245A (zh) | 2011-07-08 | 2012-07-06 | 旋转电机 |
BRBR102012016875-8A BR102012016875A2 (pt) | 2011-07-08 | 2012-07-09 | Máquina elétrica giratória |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011151637A JP5240593B2 (ja) | 2011-07-08 | 2011-07-08 | 回転電機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013021776A JP2013021776A (ja) | 2013-01-31 |
JP5240593B2 true JP5240593B2 (ja) | 2013-07-17 |
Family
ID=46465112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011151637A Expired - Fee Related JP5240593B2 (ja) | 2011-07-08 | 2011-07-08 | 回転電機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9281723B2 (ja) |
EP (1) | EP2544336A2 (ja) |
JP (1) | JP5240593B2 (ja) |
CN (2) | CN202759303U (ja) |
BR (1) | BR102012016875A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140361656A1 (en) * | 2011-10-27 | 2014-12-11 | Valeo Equipments Electriques Moteur | Rotor for a rotating electric machine and rotating electrical machine comprising such a rotor |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5240593B2 (ja) * | 2011-07-08 | 2013-07-17 | 株式会社安川電機 | 回転電機 |
US9246364B2 (en) | 2012-10-15 | 2016-01-26 | Regal Beloit America, Inc. | Radially embedded permanent magnet rotor and methods thereof |
JP6151050B2 (ja) * | 2013-03-04 | 2017-06-21 | アイチエレック株式会社 | 回転子および永久磁石電動機 |
JP6083523B2 (ja) * | 2013-05-21 | 2017-02-22 | 日本電産株式会社 | ロータおよびモータ |
JP6403982B2 (ja) * | 2014-04-30 | 2018-10-10 | マブチモーター株式会社 | ブラシレスモータ |
FR3022088B1 (fr) * | 2014-06-05 | 2016-06-03 | Valeo Equip Electr Moteur | Rotor a aimants permanents a concentration de flux pour machine electrique tournante |
TWI556549B (zh) * | 2015-10-05 | 2016-11-01 | 建準電機工業股份有限公司 | 內轉子馬達、內轉子馬達之轉子及其尺寸選用方法 |
TWI572119B (zh) | 2015-10-16 | 2017-02-21 | 建準電機工業股份有限公司 | 內轉子馬達及其轉子 |
US10312756B2 (en) * | 2016-03-31 | 2019-06-04 | Nidec Motor Corporation | Spoked rotor with inner structural bridges providing low flux leakage |
EP3276794B1 (de) * | 2016-07-29 | 2018-09-19 | Etel S. A.. | Rotor für einen synchronmotor |
TWI605667B (zh) | 2016-09-01 | 2017-11-11 | 建準電機工業股份有限公司 | 內轉子馬達及其轉子 |
EP4024667A4 (en) * | 2019-08-26 | 2023-09-27 | Nidec Corporation | MOTOR WITH INTERNAL PERMANENT MAGNET |
JP7395185B2 (ja) | 2020-06-09 | 2023-12-11 | 公立大学法人秋田県立大学 | 回転電機 |
CN112615446A (zh) * | 2020-11-18 | 2021-04-06 | 广东威灵电机制造有限公司 | 转子冲片、转子组件和电机 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814691Y2 (ja) * | 1977-10-18 | 1983-03-24 | 株式会社安川電機 | 回転電機の界磁 |
JPS5465309A (en) | 1977-11-02 | 1979-05-25 | Hitachi Ltd | Dc machine commutator riser |
US4445062A (en) * | 1978-12-26 | 1984-04-24 | The Garrett Corporation | Rotor assembly having anchors with undulating sides |
US4332079A (en) * | 1978-12-26 | 1982-06-01 | The Garrett Corporation | Method of making rotor rectangularly shaped tongues |
US4260921A (en) * | 1978-12-26 | 1981-04-07 | The Garrett Corporation | Permanent magnet rotor assembly having rectangularly shaped tongues |
JPS5959054A (ja) * | 1982-09-27 | 1984-04-04 | Fanuc Ltd | 永久磁石界磁回転子構造 |
JPS617274U (ja) * | 1984-06-15 | 1986-01-17 | 株式会社安川電機 | 同期電動機のロ−タ磁極 |
JPH0834016B2 (ja) | 1988-07-28 | 1996-03-29 | チューナー株式会社 | オートリバース方式のテーププレーヤ |
JPH0237553U (ja) * | 1988-08-30 | 1990-03-13 | ||
JPH0736459Y2 (ja) * | 1990-01-23 | 1995-08-16 | 株式会社安川電機 | 永久磁石界磁形回転子 |
JPH0736459A (ja) | 1993-07-21 | 1995-02-07 | Roland Corp | 電子楽器のアサイン装置 |
JPH0736459U (ja) | 1993-12-20 | 1995-07-04 | 株式会社小糸製作所 | 発光ダイオード |
DE10318624A1 (de) * | 2003-04-24 | 2004-11-25 | Minebea Co., Ltd. | Rotorkörper für einen Elektromotor |
DE10345417A1 (de) * | 2003-09-30 | 2005-05-12 | Minebea Co Ltd | Rotorköper für einen Elektromotor |
JP2006115663A (ja) * | 2004-10-18 | 2006-04-27 | Toshiba Corp | 永久磁石回転子 |
KR100785799B1 (ko) * | 2005-10-14 | 2007-12-13 | 한국전자통신연구원 | 다중 주파수채널 시스템에서 효율적인 스펙트럼 센싱을이용한 채널 할당 방법 |
JP2009050148A (ja) * | 2007-07-26 | 2009-03-05 | Meidensha Corp | 広範囲定出力永久磁石式モータ |
PL2201663T3 (pl) * | 2007-10-11 | 2017-02-28 | Thyssenkrupp Presta Ag | Wirnik do silnika elektrycznego |
US8018110B2 (en) * | 2009-04-30 | 2011-09-13 | General Electric Company | High speed internal permanent magnet machine and method of manufacturing the same |
US7994668B2 (en) * | 2009-05-18 | 2011-08-09 | General Electric Company | Cooling system for rotating machine |
JP5240593B2 (ja) * | 2011-07-08 | 2013-07-17 | 株式会社安川電機 | 回転電機 |
-
2011
- 2011-07-08 JP JP2011151637A patent/JP5240593B2/ja not_active Expired - Fee Related
-
2012
- 2012-07-03 US US13/541,025 patent/US9281723B2/en not_active Expired - Fee Related
- 2012-07-05 EP EP12175054A patent/EP2544336A2/en not_active Withdrawn
- 2012-07-06 CN CN2012203298786U patent/CN202759303U/zh not_active Expired - Fee Related
- 2012-07-06 CN CN2012102347050A patent/CN102868245A/zh active Pending
- 2012-07-09 BR BRBR102012016875-8A patent/BR102012016875A2/pt not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140361656A1 (en) * | 2011-10-27 | 2014-12-11 | Valeo Equipments Electriques Moteur | Rotor for a rotating electric machine and rotating electrical machine comprising such a rotor |
US9716410B2 (en) * | 2011-10-27 | 2017-07-25 | Valeo Equipements Electriques Moteur | Rotor for a rotating electric machine and rotating electrical machine comprising such a rotor |
Also Published As
Publication number | Publication date |
---|---|
US9281723B2 (en) | 2016-03-08 |
CN102868245A (zh) | 2013-01-09 |
EP2544336A2 (en) | 2013-01-09 |
US20130009505A1 (en) | 2013-01-10 |
JP2013021776A (ja) | 2013-01-31 |
BR102012016875A2 (pt) | 2015-03-24 |
CN202759303U (zh) | 2013-02-27 |
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