JP6382085B2 - 回転電機の回転子及びそれを用いた回転電機 - Google Patents
回転電機の回転子及びそれを用いた回転電機 Download PDFInfo
- Publication number
- JP6382085B2 JP6382085B2 JP2014240727A JP2014240727A JP6382085B2 JP 6382085 B2 JP6382085 B2 JP 6382085B2 JP 2014240727 A JP2014240727 A JP 2014240727A JP 2014240727 A JP2014240727 A JP 2014240727A JP 6382085 B2 JP6382085 B2 JP 6382085B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- insertion hole
- electric machine
- nonmagnetic
- magnet insertion
- 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.)
- Active
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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]
-
- 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
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
Claims (4)
- 永久磁石が挿入される空間を形成する磁石挿入孔と、前記空間に面しておりかつ前記磁石挿入孔の一部を形成する非磁性部と、を有する回転子鉄心を備え、
前記非磁性部は、d軸に対して非対称に設けられ、
前記磁石挿入孔は、第1永久磁石が挿入される第1空間を形成する第1磁石挿入孔と、第2永久磁石が挿入される第2空間を形成する第2磁石挿入孔と、により構成され、
前記非磁性部は、前記第1空間に面しておりかつ前記第1磁石挿入孔の一部を形成する第1非磁性部と、前記第2空間に面しておりかつ前記第2磁石挿入孔の一部を形成する第2非磁性部と、により構成され、
前記第1非磁性部は、前記d軸に対して前記第2非磁性部よりも周方向に大きく形成さ
れる回転電機の回転子。 - 請求項1に記載の回転電機の回転子であって、
前記非磁性部が、前記d軸中心から電気角で12度乃至38度の位置に設けられる回転電機の回転子。 - 請求項1または2に記載の回転電機の回転子において、
前記回転子鉄心は、前記非磁性部の位置が異なる鋼板を交互に積層して構成される回転電機の回転子。 - 請求項1乃至3のいずれかに記載の回転子と、
前記回転子の外周側に空隙を介して設けられた固定子と、を備えた回転電機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014240727A JP6382085B2 (ja) | 2014-11-28 | 2014-11-28 | 回転電機の回転子及びそれを用いた回転電機 |
US15/528,986 US10530207B2 (en) | 2014-11-28 | 2015-11-11 | Rotor of rotary electric machine and rotary electric machine using the same |
PCT/JP2015/081675 WO2016084602A1 (ja) | 2014-11-28 | 2015-11-11 | 回転電機の回転子及びそれを用いた回転電機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014240727A JP6382085B2 (ja) | 2014-11-28 | 2014-11-28 | 回転電機の回転子及びそれを用いた回転電機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016103898A JP2016103898A (ja) | 2016-06-02 |
JP6382085B2 true JP6382085B2 (ja) | 2018-08-29 |
Family
ID=56074171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014240727A Active JP6382085B2 (ja) | 2014-11-28 | 2014-11-28 | 回転電機の回転子及びそれを用いた回転電機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10530207B2 (ja) |
JP (1) | JP6382085B2 (ja) |
WO (1) | WO2016084602A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7308441B2 (ja) | 2019-02-07 | 2023-07-14 | パナソニックIpマネジメント株式会社 | 電動工具 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ537718A (en) * | 2002-06-20 | 2008-10-31 | Toshiba Kk | Rotor for permanent magnet motor of outer rotor type |
JP4211393B2 (ja) * | 2002-12-27 | 2009-01-21 | 株式会社ジェイテクト | ロータ及びモータ |
JP4599088B2 (ja) * | 2004-05-13 | 2010-12-15 | 東芝コンシューマエレクトロニクス・ホールディングス株式会社 | 回転電機の回転子及びその製造方法 |
DE102006006882A1 (de) * | 2005-11-21 | 2007-05-24 | Robert Bosch Gmbh | Elektromaschine und Rotor für eine Elektromaschine |
JP5259934B2 (ja) * | 2006-07-20 | 2013-08-07 | 株式会社日立産機システム | 永久磁石式回転電機及びそれを用いた圧縮機 |
JP5288724B2 (ja) | 2007-04-26 | 2013-09-11 | 東芝産業機器製造株式会社 | 回転電機の回転子及び回転電機 |
KR100919403B1 (ko) * | 2007-05-17 | 2009-09-29 | 삼성전자주식회사 | 모터 |
US7847461B2 (en) * | 2007-06-06 | 2010-12-07 | Gm Global Technology Operations, Inc. | Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle |
US7800272B2 (en) * | 2007-11-28 | 2010-09-21 | Asmo Co., Ltd. | Embedded magnet motor and manufacturing method of the same |
JP5412978B2 (ja) * | 2009-06-17 | 2014-02-12 | 株式会社明電舎 | 永久磁石埋込式回転電機 |
JP5385077B2 (ja) * | 2009-10-02 | 2014-01-08 | アスモ株式会社 | 回転電動機 |
US8405342B2 (en) * | 2009-10-02 | 2013-03-26 | Asmo Co., Ltd. | Motor |
EP2549624B1 (en) * | 2011-07-22 | 2019-05-01 | LG Innotek Co., Ltd. | Rotor core for motor |
-
2014
- 2014-11-28 JP JP2014240727A patent/JP6382085B2/ja active Active
-
2015
- 2015-11-11 US US15/528,986 patent/US10530207B2/en active Active
- 2015-11-11 WO PCT/JP2015/081675 patent/WO2016084602A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10530207B2 (en) | 2020-01-07 |
US20170346355A1 (en) | 2017-11-30 |
WO2016084602A1 (ja) | 2016-06-02 |
JP2016103898A (ja) | 2016-06-02 |
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