JP2016103898A - 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
- JP2016103898A JP2016103898A JP2014240727A JP2014240727A JP2016103898A JP 2016103898 A JP2016103898 A JP 2016103898A JP 2014240727 A JP2014240727 A JP 2014240727A JP 2014240727 A JP2014240727 A JP 2014240727A JP 2016103898 A JP2016103898 A JP 2016103898A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- insertion hole
- magnet insertion
- nonmagnetic
- rotating electrical
- 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.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims abstract description 31
- 230000037431 insertion Effects 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 3
- 230000004907 flux Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims (6)
- 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に記載の回転電機の回転子であって、
前記d軸は、前記磁石挿入孔の中央部を通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乃至4に記載のいずか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6に記載のいずれかの回転子と、
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 |
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 |
US15/528,986 US10530207B2 (en) | 2014-11-28 | 2015-11-11 | Rotor of rotary electric machine and rotary electric machine using the same |
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 true JP2016103898A (ja) | 2016-06-02 |
JP6382085B2 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020161990A1 (ja) * | 2019-02-07 | 2020-08-13 | パナソニックIpマネジメント株式会社 | 電動工具 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004215395A (ja) * | 2002-12-27 | 2004-07-29 | Koyo Seiko Co Ltd | ロータ及びモータ |
JP2008029095A (ja) * | 2006-07-20 | 2008-02-07 | Hitachi Industrial Equipment Systems Co Ltd | 永久磁石式回転電機及びそれを用いた圧縮機 |
JP2011004480A (ja) * | 2009-06-17 | 2011-01-06 | Meidensha Corp | 永久磁石埋込式回転電機 |
JP2011083047A (ja) * | 2009-10-02 | 2011-04-21 | Asmo Co Ltd | 回転電動機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1536543B1 (en) * | 2002-06-20 | 2013-03-13 | Kabushiki Kaisha Toshiba | Rotor for external rotor-type permanent magnet motor |
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 |
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 |
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
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004215395A (ja) * | 2002-12-27 | 2004-07-29 | Koyo Seiko Co Ltd | ロータ及びモータ |
JP2008029095A (ja) * | 2006-07-20 | 2008-02-07 | Hitachi Industrial Equipment Systems Co Ltd | 永久磁石式回転電機及びそれを用いた圧縮機 |
JP2011004480A (ja) * | 2009-06-17 | 2011-01-06 | Meidensha Corp | 永久磁石埋込式回転電機 |
JP2011083047A (ja) * | 2009-10-02 | 2011-04-21 | Asmo Co Ltd | 回転電動機 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020161990A1 (ja) * | 2019-02-07 | 2020-08-13 | パナソニックIpマネジメント株式会社 | 電動工具 |
JP2020129877A (ja) * | 2019-02-07 | 2020-08-27 | パナソニックIpマネジメント株式会社 | 電動工具 |
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 |
US11876408B2 (en) | 2019-02-07 | 2024-01-16 | Panasonic Intellectual Property Management Co., Ltd. | Electric tool |
Also Published As
Publication number | Publication date |
---|---|
US20170346355A1 (en) | 2017-11-30 |
US10530207B2 (en) | 2020-01-07 |
JP6382085B2 (ja) | 2018-08-29 |
WO2016084602A1 (ja) | 2016-06-02 |
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