JP2012191211A - 積層磁石 - Google Patents
積層磁石 Download PDFInfo
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- JP2012191211A JP2012191211A JP2012052118A JP2012052118A JP2012191211A JP 2012191211 A JP2012191211 A JP 2012191211A JP 2012052118 A JP2012052118 A JP 2012052118A JP 2012052118 A JP2012052118 A JP 2012052118A JP 2012191211 A JP2012191211 A JP 2012191211A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/008—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression characterised by the composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- 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
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- 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
- H02K1/278—Surface mounted magnets; Inset magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
- H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
【解決手段】複数の主磁石層(10、10’)と、複数の下位磁石層(11、12、13、11’、12’、13’、14)とを有する、電気機械(2)の磁石装置用の積層磁石(1、1’)が提供され、各磁石層(10、10’、11、12、13、11’、12’、13’、14)はランタニドの層濃度を有する強磁性体を含み、該ランタニドの層濃度が主磁石層(10、10’)において最大である。
【選択図】図3
Description
Claims (15)
- 複数の主磁石層(10、10’)と、複数の下位磁石層(11、12、13、11’、12’、13’、14)とを有する、電気機械(2)の磁石装置用の積層磁石(1、1’)であって、
各磁石層(10、10’、11、12、13、11’、12’、13’、14)はランタニドの層濃度を有する強磁性体を含み、該ランタニドの層濃度が主磁石層(10、10’)において最大である、
ことを特徴とする積層磁石。 - 主磁石層(10、10’)は、前記積層磁石(1、1’)のうちの外側領域に設けられている、請求項1記載の積層磁石。
- 前記積層磁石(1、1’)は、取付面(30)および少なくとも1つの側面(31)を有し、
前記ランタニドの層濃度は、前記取付面(30)に向かって減少し、および/または、前記側面(31)に向かって増加する、
請求項1または2記載の積層磁石。 - 前記ランタニドはジスプロシウムを含み、
主磁石層(10、10’)におけるジスプロシウムの層濃度が最低5%であり、
下位磁石層(11、12、13、11’、12’、13’、14)におけるジスプロシウムの層濃度が最大3%である、
請求項1から3のいずれか1項記載の積層磁石。 - 前記磁石層(10、10’、11、12、13、11’、12’、13’、14)におけるジスプロシウムの総含量は、前記積層磁石(1、1’)の量の最大4.8%、より好ましくは最大4.4%、最も好ましくは最大4%である、請求項4記載の積層磁石。
- 主磁石層(10、10’)は、全ての下位磁石層(11、12、13、11’、12’、13’、14)の厚さよりも大きい層厚さを有する、請求項1から5のいずれか1項記載の積層磁石。
- 前記電気機械(2)のロータまたはステータの外面に実質的に平行に配置するための、磁石層(10、11、12、13、14)の水平方向の積層(S)を有する、請求項1から6のいずれか1項記載の積層磁石。
- 前記積層磁石(1、1’)は、前記電気機械(2)のロータまたはステータの外面に実質的に垂直に配置するための、磁石層(10’、11’、12’、13’)の垂直方向の積層(S’)を有する、請求項1から7のいずれか1項記載の積層磁石。
- 電気機械(2)の磁石装置用の積層磁石(1、1’)の製造方法であって、
複数の主磁石層(10、10’)および複数の下位磁石層(11、12、13、11’、12’、13’、14)を用意するステップであって、各磁石層(10、10’、11、12、13、11’、12’、13’、14)は強磁性体を含む、ステップと、
ランタニドの層濃度が主磁石層(10、10’)において最大であるように、前記磁石層(10、10’、11、12、13、11’、12’、13’、14)におけるランタニドの層濃度を導入するステップと、
積層磁石(M,M’)を得るように、前記磁石層(10、10’、11、12、13、11’、12’、13’、14)を配置するステップと、
を含む、ことを特徴とする方法。 - 磁石層(10、10’、11、12、13、11’、12’、13’、14)のランタニド成分を、拡散プロセスにより磁石層(10、10’、11、12、13、11’、12’、13’、14)中に拡散させるステップを含む、請求項9記載の方法。
- 前記積層磁石(1、1’)を、前記磁石層(10、10’、11、12、13、11’、12’、13’、14)の圧着および/または接着により組み立てるステップを含む、請求項9または10記載の方法。
- 電気機械(2)のための磁石装置であって、
前記磁石装置は、前記電気機械(2)のロータまたはステータに設けられた、請求項1から8のいずれか1項記載の複数の積層磁石(10、10’、11、12、13、11’、12’、13’、14)を有する、
ことを特徴とする磁石装置。 - 請求項12記載の磁石装置を有する、ことを特徴とする電気機械(2)。
- 前記磁石装置は前記電気機械(2)の前記ロータ(20)に設けられている、請求項13記載の電気機械。
- 電気機械(2)が風力タービンの多極発電機である、請求項14記載の電気機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11157463.8A EP2498267B1 (en) | 2011-03-09 | 2011-03-09 | Layered magnet |
EP11157463.8 | 2011-03-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012191211A true JP2012191211A (ja) | 2012-10-04 |
JP6245790B2 JP6245790B2 (ja) | 2017-12-13 |
Family
ID=43829373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012052118A Active JP6245790B2 (ja) | 2011-03-09 | 2012-03-08 | 積層磁石、積層磁石の製造方法、磁石装置および電気機械 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120229239A1 (ja) |
EP (1) | EP2498267B1 (ja) |
JP (1) | JP6245790B2 (ja) |
KR (1) | KR20120103494A (ja) |
CN (3) | CN108847723A (ja) |
BR (1) | BR102012005246A2 (ja) |
DK (1) | DK2498267T3 (ja) |
IN (1) | IN2012DE00278A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014114382A1 (de) | 2013-10-04 | 2015-04-09 | Daido Steel Co., Ltd. | Magnet auf RFeB-Basis und Verfahren zur Herstellung eines Magnets auf RFeB-Basis |
JP2015073046A (ja) * | 2013-10-04 | 2015-04-16 | 大同特殊鋼株式会社 | 結合型RFeB系磁石及びその製造方法 |
JP2016513946A (ja) * | 2013-03-08 | 2016-05-16 | マグノマティックス リミテッドMagnomatics Limited | 磁石保持装置及び方法 |
JP2017011858A (ja) * | 2015-06-19 | 2017-01-12 | 日産自動車株式会社 | 回転電機、磁石、及び磁石の製造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK2498267T3 (en) * | 2011-03-09 | 2017-08-28 | Siemens Ag | Layered magnet |
KR101405802B1 (ko) * | 2012-12-12 | 2014-06-12 | 현대자동차주식회사 | 온도분포를 고려한 구동모터의 회전자 영구자석 장치 |
ITMI20122268A1 (it) * | 2012-12-28 | 2014-06-29 | Wilic Sarl | Macchina elettrica |
CN105281530B (zh) * | 2014-07-11 | 2018-11-09 | 上海微电子装备(集团)股份有限公司 | 具有重力补偿功能的圆筒型音圈电机 |
CN104578636B (zh) * | 2015-01-20 | 2017-01-25 | 东南大学 | 一种双定子轴向磁场磁通切换型混合永磁记忆电机 |
DE102016125558A1 (de) * | 2016-12-23 | 2018-06-28 | Scanlab Gmbh | Galvanometerantrieb mit mehrschichtigen Permanentmagneten |
US10177631B1 (en) | 2017-10-10 | 2019-01-08 | Zero E Technologies, Llc | Electric machine stator cooling systems and methods |
EP3729475B1 (en) * | 2017-12-19 | 2023-09-06 | ABB Schweiz AG | Multicomponent magnet assemblies for electrical machines |
CN109787439A (zh) * | 2019-03-19 | 2019-05-21 | 上海电气风电集团有限公司 | 电机转子的制造方法、电机转子及电机 |
CN111064289B (zh) * | 2019-12-30 | 2022-05-17 | 智车优行科技(上海)有限公司 | 一种永磁同步电机、转子、转子磁钢及车辆 |
EP4178081A4 (en) * | 2020-07-23 | 2023-08-16 | Huawei Digital Power Technologies Co., Ltd. | ROTOR FOR AN ELECTRIC MOTOR AND ELECTRIC MOTOR |
EP3955428A1 (en) * | 2020-08-14 | 2022-02-16 | Siemens Gamesa Renewable Energy A/S | Magnet assembly comprising a focused magnetic flux portion and a parallel magnetic flux portion |
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-
2011
- 2011-03-09 DK DK11157463.8T patent/DK2498267T3/en active
- 2011-03-09 EP EP11157463.8A patent/EP2498267B1/en not_active Not-in-force
-
2012
- 2012-02-01 IN IN278DE2012 patent/IN2012DE00278A/en unknown
- 2012-03-07 US US13/413,918 patent/US20120229239A1/en not_active Abandoned
- 2012-03-08 KR KR1020120024063A patent/KR20120103494A/ko not_active Application Discontinuation
- 2012-03-08 BR BR102012005246-6A patent/BR102012005246A2/pt not_active IP Right Cessation
- 2012-03-08 JP JP2012052118A patent/JP6245790B2/ja active Active
- 2012-03-09 CN CN201810676294.8A patent/CN108847723A/zh active Pending
- 2012-03-09 CN CN201810678009.6A patent/CN108847724A/zh active Pending
- 2012-03-09 CN CN2012100609171A patent/CN102684323A/zh active Pending
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JP2007273815A (ja) * | 2006-03-31 | 2007-10-18 | Hitachi Metals Ltd | R−Fe−B系希土類焼結磁石の製造方法 |
WO2008123251A1 (ja) * | 2007-03-27 | 2008-10-16 | Hitachi Metals, Ltd. | 永久磁石式回転機およびその製造方法 |
JP2009027846A (ja) * | 2007-07-20 | 2009-02-05 | Daido Steel Co Ltd | 永久磁石およびこれを用いた表面磁石型モータ |
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JP2016513946A (ja) * | 2013-03-08 | 2016-05-16 | マグノマティックス リミテッドMagnomatics Limited | 磁石保持装置及び方法 |
DE102014114382A1 (de) | 2013-10-04 | 2015-04-09 | Daido Steel Co., Ltd. | Magnet auf RFeB-Basis und Verfahren zur Herstellung eines Magnets auf RFeB-Basis |
JP2015073046A (ja) * | 2013-10-04 | 2015-04-16 | 大同特殊鋼株式会社 | 結合型RFeB系磁石及びその製造方法 |
US9818513B2 (en) | 2013-10-04 | 2017-11-14 | Daido Steel Co., Ltd. | RFeB-based magnet and method for producing RFeB-based magnet |
JP2017011858A (ja) * | 2015-06-19 | 2017-01-12 | 日産自動車株式会社 | 回転電機、磁石、及び磁石の製造方法 |
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EP2498267B1 (en) | 2017-06-14 |
DK2498267T3 (en) | 2017-08-28 |
IN2012DE00278A (ja) | 2015-04-03 |
US20120229239A1 (en) | 2012-09-13 |
CN108847723A (zh) | 2018-11-20 |
CN102684323A (zh) | 2012-09-19 |
EP2498267A1 (en) | 2012-09-12 |
KR20120103494A (ko) | 2012-09-19 |
CN108847724A (zh) | 2018-11-20 |
BR102012005246A2 (pt) | 2013-11-26 |
JP6245790B2 (ja) | 2017-12-13 |
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