JP4574297B2 - 回転電機のロータ - Google Patents
回転電機のロータ Download PDFInfo
- Publication number
- JP4574297B2 JP4574297B2 JP2004265642A JP2004265642A JP4574297B2 JP 4574297 B2 JP4574297 B2 JP 4574297B2 JP 2004265642 A JP2004265642 A JP 2004265642A JP 2004265642 A JP2004265642 A JP 2004265642A JP 4574297 B2 JP4574297 B2 JP 4574297B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- rotating electrical
- electrical machine
- permanent magnet
- permanent magnets
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
11,21,31,41,51 ロータコア
12 シャフト
13,32 N極永久磁石
14,33 S極永久磁石
15 凹部
22 スリット
34 第1スリット
35 第2スリット
Claims (3)
- 磁性体からなる円盤状のロータコアと、
前記ロータコアに、周方向に並ぶ2個一組からなり、交互に極性を変え周方向に沿って配置した複数の永久磁石と、
前記ロータコアに、隣接する異極の前記永久磁石の間に配置して形成した非磁性部とを有し、
前記永久磁石は、それぞれ長方形状を有し、長軸方向がロータコア半径方向に沿う逆ハの字型に離間して配置され、同一極間のそれぞれの磁石内側にスリットが開けられて、同一極間において対向するエアギャップが並行に位置する回転電機のロータ。 - 前記非磁性部は、前記ロータコアに開けられた空間によって形成された空気層である請求項1に記載の回転電機のロータ。
- 前記非磁性部は、隣接する異極の前記永久磁石をつなぐように配置されている請求項1または2に記載の回転電機のロータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004265642A JP4574297B2 (ja) | 2004-09-13 | 2004-09-13 | 回転電機のロータ |
DE602005017341T DE602005017341D1 (de) | 2004-09-13 | 2005-09-12 | Rotor für rotierende elektrische Maschine |
EP05019806A EP1643618B1 (en) | 2004-09-13 | 2005-09-12 | Rotor for rotary electric machine |
US11/224,109 US7405504B2 (en) | 2004-09-13 | 2005-09-13 | Rotor for rotary electric machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004265642A JP4574297B2 (ja) | 2004-09-13 | 2004-09-13 | 回転電機のロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006081377A JP2006081377A (ja) | 2006-03-23 |
JP4574297B2 true JP4574297B2 (ja) | 2010-11-04 |
Family
ID=35501200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004265642A Expired - Fee Related JP4574297B2 (ja) | 2004-09-13 | 2004-09-13 | 回転電機のロータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7405504B2 (ja) |
EP (1) | EP1643618B1 (ja) |
JP (1) | JP4574297B2 (ja) |
DE (1) | DE602005017341D1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007300787A (ja) * | 2006-04-27 | 2007-11-15 | Sun Tech Generator Co Ltd | 発電機・電動機用回転子 |
JP5157138B2 (ja) * | 2006-11-24 | 2013-03-06 | 株式会社日立製作所 | 永久磁石式回転電機及び風力発電システム |
JP5332137B2 (ja) * | 2007-05-22 | 2013-11-06 | 日産自動車株式会社 | 回転電機 |
JP4886624B2 (ja) | 2007-07-11 | 2012-02-29 | 株式会社日立製作所 | 永久磁石式回転電機、及び永久磁石式回転電機システム |
JP5147339B2 (ja) * | 2007-09-11 | 2013-02-20 | 東洋電機製造株式会社 | 分散電源用発電装置 |
DE102007046997A1 (de) * | 2007-10-01 | 2009-04-23 | Siemens Ag | Rotor eines Elektromotors |
JP4881462B2 (ja) | 2010-05-21 | 2012-02-22 | 株式会社東芝 | テレビジョン装置および電子機器 |
FR2983007B1 (fr) * | 2011-11-18 | 2015-03-06 | Leroy Somer Moteurs | Rotor de machine electrique tournante a aimants permanents. |
CN103166345B (zh) | 2011-12-12 | 2017-12-08 | 德昌电机(深圳)有限公司 | 无刷电机及其转子 |
JP2014082928A (ja) | 2012-09-28 | 2014-05-08 | Daikin Ind Ltd | ロータおよび回転電気機械 |
US10447096B2 (en) | 2015-01-20 | 2019-10-15 | Mitsubishi Electric Corporation | Permanent-magnet-type rotating electrical machine |
KR20170051568A (ko) * | 2015-10-29 | 2017-05-12 | 전자부품연구원 | 자속집중형 회전자 및 그를 갖는 전동기 |
JP6939734B2 (ja) * | 2017-08-01 | 2021-09-22 | 株式会社デンソー | 磁石ユニット及び回転電機駆動システム |
CN108768015B (zh) * | 2018-07-20 | 2020-04-17 | 珠海格力电器股份有限公司 | 转子组件及电机 |
CN109149820A (zh) * | 2018-11-07 | 2019-01-04 | 珠海格力电器股份有限公司 | 永磁电机及电机转子 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11252840A (ja) * | 1998-02-26 | 1999-09-17 | Meidensha Corp | 回転電機の回転子 |
JP2002315243A (ja) * | 2001-04-13 | 2002-10-25 | Hitachi Ltd | 永久磁石式回転電機 |
JP2004104962A (ja) * | 2002-09-12 | 2004-04-02 | Toshiba Industrial Products Manufacturing Corp | 永久磁石式リラクタンス型回転電機 |
JP2004129448A (ja) * | 2002-10-07 | 2004-04-22 | Hitachi Ltd | 永久磁石式回転電機 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2059518A (en) * | 1934-11-19 | 1936-11-03 | Thomas J Harley | Magneto rotor |
TW364234B (en) * | 1997-04-14 | 1999-07-11 | Sanyo Electric Co | Rotor for an electric motor |
KR100263445B1 (ko) * | 1997-11-13 | 2000-08-01 | 윤종용 | 브러시리스 dc모터용 회전자 |
JPH11355986A (ja) | 1998-06-09 | 1999-12-24 | Denso Corp | 回転電機の磁石埋設ロータ |
US6274960B1 (en) | 1998-09-29 | 2001-08-14 | Kabushiki Kaisha Toshiba | Reluctance type rotating machine with permanent magnets |
JP2000270503A (ja) | 1999-03-17 | 2000-09-29 | Fujitsu General Ltd | 永久磁石電動機 |
JP3752946B2 (ja) | 2000-02-24 | 2006-03-08 | いすゞ自動車株式会社 | 回転機のロータの製作方法 |
JP4082140B2 (ja) | 2002-08-30 | 2008-04-30 | トヨタ自動車株式会社 | Ipmモータの磁石分割方法及びipmモータ |
DE60212406T2 (de) * | 2002-11-15 | 2007-02-01 | Minebea Co., Ltd. | Läufer mit eingebetteten Dauermagneten |
JP3972007B2 (ja) | 2003-02-28 | 2007-09-05 | 日立アプライアンス株式会社 | 加熱調理器 |
DE10318624A1 (de) * | 2003-04-24 | 2004-11-25 | Minebea Co., Ltd. | Rotorkörper für einen Elektromotor |
-
2004
- 2004-09-13 JP JP2004265642A patent/JP4574297B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-12 EP EP05019806A patent/EP1643618B1/en not_active Expired - Fee Related
- 2005-09-12 DE DE602005017341T patent/DE602005017341D1/de active Active
- 2005-09-13 US US11/224,109 patent/US7405504B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11252840A (ja) * | 1998-02-26 | 1999-09-17 | Meidensha Corp | 回転電機の回転子 |
JP2002315243A (ja) * | 2001-04-13 | 2002-10-25 | Hitachi Ltd | 永久磁石式回転電機 |
JP2004104962A (ja) * | 2002-09-12 | 2004-04-02 | Toshiba Industrial Products Manufacturing Corp | 永久磁石式リラクタンス型回転電機 |
JP2004129448A (ja) * | 2002-10-07 | 2004-04-22 | Hitachi Ltd | 永久磁石式回転電機 |
Also Published As
Publication number | Publication date |
---|---|
EP1643618B1 (en) | 2009-10-28 |
US20060055267A1 (en) | 2006-03-16 |
DE602005017341D1 (de) | 2009-12-10 |
JP2006081377A (ja) | 2006-03-23 |
US7405504B2 (en) | 2008-07-29 |
EP1643618A3 (en) | 2007-08-29 |
EP1643618A2 (en) | 2006-04-05 |
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