TW200518122A - Thin hybrid magnetization type ring magnet, yoke-equipped thin hybrid magnetization type ring magnet, and brushless motor - Google Patents
Thin hybrid magnetization type ring magnet, yoke-equipped thin hybrid magnetization type ring magnet, and brushless motorInfo
- Publication number
- TW200518122A TW200518122A TW093121959A TW93121959A TW200518122A TW 200518122 A TW200518122 A TW 200518122A TW 093121959 A TW093121959 A TW 093121959A TW 93121959 A TW93121959 A TW 93121959A TW 200518122 A TW200518122 A TW 200518122A
- Authority
- TW
- Taiwan
- Prior art keywords
- ring magnet
- type ring
- brushless motor
- magnetization
- thin hybrid
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
-
- 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
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
- H01F41/028—Radial anisotropy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003200148 | 2003-07-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200518122A true TW200518122A (en) | 2005-06-01 |
TWI300943B TWI300943B (zh) | 2008-09-11 |
Family
ID=34074450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093121959A TW200518122A (en) | 2003-07-22 | 2004-07-22 | Thin hybrid magnetization type ring magnet, yoke-equipped thin hybrid magnetization type ring magnet, and brushless motor |
Country Status (6)
Country | Link |
---|---|
US (1) | US7560841B2 (zh) |
EP (1) | EP1648073B1 (zh) |
JP (1) | JP3864986B2 (zh) |
CN (1) | CN100380779C (zh) |
TW (1) | TW200518122A (zh) |
WO (1) | WO2005008862A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI385899B (zh) * | 2008-12-25 | 2013-02-11 | Metal Ind Res & Dev Ct | 永磁式電機之轉子結構及其製造方法 |
Families Citing this family (63)
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DE102004017507A1 (de) * | 2004-04-08 | 2005-10-27 | Minebea Co., Ltd. | Rotoranordnung für eine elektrische Maschine |
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US20110012463A1 (en) * | 2007-08-01 | 2011-01-20 | Gerald David Duncan | appliance, rotor and magnet element |
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JP5359192B2 (ja) * | 2007-11-12 | 2013-12-04 | パナソニック株式会社 | 異方性永久磁石型モータ |
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JP5286843B2 (ja) * | 2008-03-12 | 2013-09-11 | パナソニック株式会社 | 極異方性磁石の成形金型、モータ、電気機器 |
JP5365049B2 (ja) * | 2008-03-28 | 2013-12-11 | Tdk株式会社 | 回転機、ラジアル型回転機、及び回転機におけるバックヨークの厚みの決定方法 |
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JP5358823B2 (ja) * | 2008-06-25 | 2013-12-04 | リコーイメージング株式会社 | 回転型アクチュエータ |
US8350432B2 (en) * | 2008-07-28 | 2013-01-08 | Direct Drive Systems, Inc. | Electric machine |
DE102009019977A1 (de) * | 2009-05-05 | 2010-11-11 | Minebea Co., Ltd. | Magnetflussoptimierung |
JP2010273475A (ja) * | 2009-05-22 | 2010-12-02 | Jtekt Corp | リング磁石の製造方法、リング磁石、モータ、及び電動パワーステアリング装置 |
JP5183601B2 (ja) * | 2009-09-16 | 2013-04-17 | 三菱電機株式会社 | 同期電動機の回転子及び同期電動機 |
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DE102011105867A1 (de) * | 2011-06-03 | 2012-12-06 | Minebea Co., Ltd. | Rotor für eine elektrische Maschine |
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JP5440670B2 (ja) * | 2012-08-29 | 2014-03-12 | 日産自動車株式会社 | 電動機 |
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CN104465061B (zh) * | 2013-09-16 | 2016-09-28 | 秀波电子股份有限公司 | 极异方性环形磁石制造方法及其加压配向模具结构 |
DE102014202848A1 (de) * | 2014-02-17 | 2015-08-20 | Robert Bosch Gmbh | Spritzwerkzeug zur Herstellung eines Permanentmagneten |
KR101587839B1 (ko) * | 2014-06-25 | 2016-01-22 | 주식회사 코아비스 | 비엘디씨 모터용 링형자석의 착자 장치 |
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TWI682409B (zh) * | 2015-03-24 | 2020-01-11 | 日商日東電工股份有限公司 | 稀土類磁鐵及使用該磁鐵的線性馬達 |
US10867729B2 (en) | 2015-03-24 | 2020-12-15 | Nitto Denko Corporation | Method for producing sintered body that forms rare-earth permanent magnet and has non-parallel easy magnetization axis orientation |
TWI679658B (zh) | 2015-03-24 | 2019-12-11 | 日商日東電工股份有限公司 | 稀土類永久磁石及具有稀土類永久磁石之旋轉機 |
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US20160329758A1 (en) * | 2015-05-08 | 2016-11-10 | Qm Power, Inc. | Magnetically isolated electrical machines |
DE102015122812B4 (de) * | 2015-12-23 | 2019-01-10 | M-Pulse Gmbh & Co Kg | Verfahren zur Aufmagnetisierung eines eingebauten Werkstücks aus hartmagnetischem Material und Aufmagnetisieranordnung |
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-
2004
- 2004-07-22 TW TW093121959A patent/TW200518122A/zh unknown
- 2004-07-22 US US10/545,428 patent/US7560841B2/en active Active
- 2004-07-22 EP EP04770869.8A patent/EP1648073B1/en active Active
- 2004-07-22 CN CNB2004800120597A patent/CN100380779C/zh active Active
- 2004-07-22 WO PCT/JP2004/010405 patent/WO2005008862A1/ja active Application Filing
- 2004-07-22 JP JP2005511899A patent/JP3864986B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI385899B (zh) * | 2008-12-25 | 2013-02-11 | Metal Ind Res & Dev Ct | 永磁式電機之轉子結構及其製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2005008862A1 (ja) | 2005-01-27 |
US20060113857A1 (en) | 2006-06-01 |
TWI300943B (zh) | 2008-09-11 |
EP1648073A4 (en) | 2007-08-22 |
US7560841B2 (en) | 2009-07-14 |
JPWO2005008862A1 (ja) | 2006-09-07 |
CN100380779C (zh) | 2008-04-09 |
EP1648073B1 (en) | 2018-11-07 |
CN1784819A (zh) | 2006-06-07 |
EP1648073A1 (en) | 2006-04-19 |
JP3864986B2 (ja) | 2007-01-10 |
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