JP2009050099A5 - - Google Patents

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Publication number
JP2009050099A5
JP2009050099A5 JP2007214585A JP2007214585A JP2009050099A5 JP 2009050099 A5 JP2009050099 A5 JP 2009050099A5 JP 2007214585 A JP2007214585 A JP 2007214585A JP 2007214585 A JP2007214585 A JP 2007214585A JP 2009050099 A5 JP2009050099 A5 JP 2009050099A5
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JP
Japan
Prior art keywords
permanent magnet
rotor core
rotation axis
rotor
axis direction
Prior art date
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Pending
Application number
JP2007214585A
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Japanese (ja)
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JP2009050099A (en
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Publication date
Application filed filed Critical
Priority to JP2007214585A priority Critical patent/JP2009050099A/en
Priority claimed from JP2007214585A external-priority patent/JP2009050099A/en
Publication of JP2009050099A publication Critical patent/JP2009050099A/en
Publication of JP2009050099A5 publication Critical patent/JP2009050099A5/ja
Pending legal-status Critical Current

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Claims (6)

直方体の永久磁石を挿入収納するための直方体状の挿入溝が回転軸方向の一端から他端に向けて貫通してなり、かつ前記挿入溝が複数個放射状に形成された回転子コアにおいて、
前記直方体状の挿入溝が前記回転軸方向に対して斜めに形成されたことを特徴とする回転子コア。 In a rotor core in which a rectangular parallelepiped insertion groove for inserting and storing a rectangular parallelepiped permanent magnet penetrates from one end to the other end in the rotation axis direction, and a plurality of the insertion grooves are formed radially,
The rotor core, wherein the rectangular parallelepiped insertion groove is formed obliquely with respect to the rotation axis direction. 前記挿入溝が前記回転子コアの両端から中間点に向けて回転軸方向に対して斜めに形成されかつ前記中間点で互いに貫通していることを特徴とする請求項１記載の回転子コア。2. The rotor core according to claim 1, wherein the insertion grooves are formed obliquely with respect to a rotation axis direction from both ends of the rotor core toward an intermediate point and penetrate each other at the intermediate point. 前記回転軸方向に対して斜めに形成された前記各挿入溝が、前記挿入溝の回転軸方向の中央で前記回転軸を横切っていることを特徴とする請求項１または２記載の回転子コア。  3. The rotor core according to claim 1, wherein each of the insertion grooves formed obliquely with respect to the rotation axis direction crosses the rotation axis at the center of the insertion groove in the rotation axis direction. . 前記回転子コアが圧粉磁性体で形成されることを特徴とする請求項１〜３のいずれか１項記載の回転子コア。  The rotor core according to claim 1, wherein the rotor core is formed of a dust magnetic material. 請求項１〜４のいずれか１項に記載の回転子コアと、前記回転子コアの前記複数の挿入溝にそれぞれ挿入された直方体の永久磁石と、を備えた永久磁石回転子において、 A permanent magnet rotor comprising: the rotor core according to any one of claims 1 to 4; and a rectangular parallelepiped permanent magnet inserted into each of the plurality of insertion grooves of the rotor core.
前記直方体の永久磁石が、隣り合う同士の極性が互いに同極となるように対向配置されたことを特徴とする永久磁石回転子。  A permanent magnet rotor, wherein the rectangular parallelepiped permanent magnets are arranged to face each other so that adjacent polarities are the same. 請求項５に記載の永久磁石回転子と、前記永久磁石回転子と空隙を介して対向配置した固定子とを有し、前記永久磁石回転子と前記固定子が相対的に回転可能となるように支持されており、かつ前記固定子が固定子コアと多相の電機子コイルを備えてなることを特徴とする永久磁石形同期回転電機。  The permanent magnet rotor according to claim 5, and a stator disposed opposite to the permanent magnet rotor via a gap, so that the permanent magnet rotor and the stator are relatively rotatable. A permanent magnet type synchronous rotating electric machine, wherein the stator is provided with a stator core and a multi-phase armature coil.
JP2007214585A 2007-08-21 2007-08-21 Rotor core, permanent magnet rotor, and permanent magnet synchronous electric rotating machine Pending JP2009050099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007214585A JP2009050099A (en) 2007-08-21 2007-08-21 Rotor core, permanent magnet rotor, and permanent magnet synchronous electric rotating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007214585A JP2009050099A (en) 2007-08-21 2007-08-21 Rotor core, permanent magnet rotor, and permanent magnet synchronous electric rotating machine

Publications (2)

Publication Number Publication Date
JP2009050099A JP2009050099A (en) 2009-03-05
JP2009050099A5 true JP2009050099A5 (en) 2011-11-10

Family

ID=40501788

Family Applications (1)

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JP2007214585A Pending JP2009050099A (en) 2007-08-21 2007-08-21 Rotor core, permanent magnet rotor, and permanent magnet synchronous electric rotating machine

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JP (1) JP2009050099A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331654B1 (en) * 2012-04-23 2013-11-20 삼성전기주식회사 Rotor Assembly
KR101369262B1 (en) 2012-04-25 2014-03-06 주식회사 케이에스상사 A open and shut motor
JP5877777B2 (en) * 2012-09-26 2016-03-08 日立オートモティブシステムズ株式会社 Rotating electric machine, magnetic pole piece manufacturing method
US9287742B2 (en) * 2013-08-05 2016-03-15 General Electric Company Spoke permanent magnet machine with reduced torque ripple and method of manufacturing thereof
JP6061826B2 (en) * 2013-09-18 2017-01-18 株式会社神戸製鋼所 Rotor for IPM motor and IPM motor
CN104009565B (en) * 2014-06-13 2016-02-24 重庆大学 With the high-speed high-power internal permanent magnet synchronous motor rotor support system of reinforcement
EP3007324A3 (en) * 2014-10-06 2016-07-20 Lafert S.p.A. Rotor of electric motor with permanent magnets
JP6661939B2 (en) 2015-09-29 2020-03-11 ダイキン工業株式会社 Rotor
CN105281461B (en) * 2015-10-22 2018-12-21 珠海格力电器股份有限公司 Rotor and self-starting synchronous motor
CN109314422B (en) * 2016-06-24 2020-06-09 三菱电机株式会社 Rotor of permanent magnet type rotating electrical machine and permanent magnet type rotating electrical machine
JP6900790B2 (en) * 2017-05-31 2021-07-07 株式会社アイシン Rotating machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3555016B2 (en) * 1999-06-08 2004-08-18 幸雄 木下 Rotating electric machines and electromagnetic devices using magnets
JP4984347B2 (en) * 2000-05-19 2012-07-25 パナソニック株式会社 Electric motor
JP2002354722A (en) * 2001-05-24 2002-12-06 Fuji Electric Co Ltd Permanent magnet synchronous machine
KR100688206B1 (en) * 2005-03-08 2007-03-02 엘지전자 주식회사 Motor

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