CN102684323A - 分层磁体 - Google Patents

分层磁体 Download PDF

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Publication number
CN102684323A
CN102684323A CN2012100609171A CN201210060917A CN102684323A CN 102684323 A CN102684323 A CN 102684323A CN 2012100609171 A CN2012100609171 A CN 2012100609171A CN 201210060917 A CN201210060917 A CN 201210060917A CN 102684323 A CN102684323 A CN 102684323A
Authority
CN
China
Prior art keywords
magnet
layer
layering
motor
dysprosium
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.)
Pending
Application number
CN2012100609171A
Other languages
English (en)
Chinese (zh)
Inventor
E.格勒恩达尔
H.施蒂斯达尔
A.C.乌尔达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Priority to CN201810676294.8A priority Critical patent/CN108847723A/zh
Priority to CN201810678009.6A priority patent/CN108847724A/zh
Publication of CN102684323A publication Critical patent/CN102684323A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CN2012100609171A 2011-03-09 2012-03-09 分层磁体 Pending CN102684323A (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810676294.8A CN108847723A (zh) 2011-03-09 2012-03-09 分层磁体
CN201810678009.6A CN108847724A (zh) 2011-03-09 2012-03-09 分层磁体

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN201810676294.8A Division CN108847723A (zh) 2011-03-09 2012-03-09 分层磁体
CN201810678009.6A Division CN108847724A (zh) 2011-03-09 2012-03-09 分层磁体

Publications (1)

Publication Number Publication Date
CN102684323A true CN102684323A (zh) 2012-09-19

Family

ID=43829373

Family Applications (3)

Application Number Title Priority Date Filing Date
CN2012100609171A Pending CN102684323A (zh) 2011-03-09 2012-03-09 分层磁体
CN201810676294.8A Pending CN108847723A (zh) 2011-03-09 2012-03-09 分层磁体
CN201810678009.6A Pending CN108847724A (zh) 2011-03-09 2012-03-09 分层磁体

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201810676294.8A Pending CN108847723A (zh) 2011-03-09 2012-03-09 分层磁体
CN201810678009.6A Pending CN108847724A (zh) 2011-03-09 2012-03-09 分层磁体

Country Status (8)

Country Link
US (1) US20120229239A1 (https=)
EP (1) EP2498267B1 (https=)
JP (1) JP6245790B2 (https=)
KR (1) KR20120103494A (https=)
CN (3) CN102684323A (https=)
BR (1) BR102012005246A2 (https=)
DK (1) DK2498267T3 (https=)
IN (1) IN2012DE00278A (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229239A1 (en) * 2011-03-09 2012-09-13 Adriana Cristina Urda Layered magnet
CN104517696A (zh) * 2013-10-04 2015-04-15 大同特殊钢株式会社 RFeB系磁体以及RFeB系磁体的生产方法
CN104517697A (zh) * 2013-10-04 2015-04-15 大同特殊钢株式会社 结合型RFeB系磁体及结合型RFeB系磁体的制造方法
CN105281530A (zh) * 2014-07-11 2016-01-27 上海微电子装备有限公司 具有重力补偿功能的圆筒型音圈电机
CN109660070A (zh) * 2017-10-10 2019-04-19 零意技术有限责任公司 电机转子冷却系统和方法
CN111064289A (zh) * 2019-12-30 2020-04-24 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
WO2022016437A1 (zh) * 2020-07-23 2022-01-27 华为数字能源技术有限公司 电机转子和电机

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2511574B (en) * 2013-03-08 2017-10-04 Magnomatics Ltd Permanent magnet assembly for mounting to a rotor
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
JP6550954B2 (ja) * 2015-06-19 2019-07-31 日産自動車株式会社 回転電機、磁石、及び磁石の製造方法
DE102016125558A1 (de) * 2016-12-23 2018-06-28 Scanlab Gmbh Galvanometerantrieb mit mehrschichtigen Permanentmagneten
WO2019120490A1 (en) * 2017-12-19 2019-06-27 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
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
JP7013540B1 (ja) * 2020-09-25 2022-01-31 山洋電気株式会社 同期モータの回転子構造
DE102024101949A1 (de) 2024-01-24 2025-07-24 Bayerische Motoren Werke Aktiengesellschaft Rotor mit geschichteten Permanentmagneten

Citations (8)

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JPH11329809A (ja) * 1998-05-07 1999-11-30 Sumitomo Special Metals Co Ltd 電気抵抗率の傾斜機能を有する永久磁石とその製造方法
US6850140B1 (en) * 2003-09-10 2005-02-01 Magnetic Technologies Corporation Layered magnets and methods for producing same
JP2005039255A (ja) * 2003-07-03 2005-02-10 Neomax Co Ltd 希土類永久磁石、回転機ならびに風力発電機
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
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
CN101510708A (zh) * 2008-02-08 2009-08-19 阿尔斯通运输股份有限公司 用于安装磁极以及相关转子的方法
CN101552066A (zh) * 2008-01-31 2009-10-07 株式会社日立制作所 烧结磁铁及使用其的旋转机
CN101641854A (zh) * 2007-03-27 2010-02-03 日立金属株式会社 永磁体式旋转机及其制造方法

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WO2003079516A1 (en) * 2002-03-20 2003-09-25 Daikin Industries, Ltd. Permanent magnet type motor and compressor comprising it
CN101022052B (zh) * 2006-11-21 2010-04-14 陈赟 一种永磁铁氧体磁瓦的制造方法
JP2009153356A (ja) * 2007-12-25 2009-07-09 Hitachi Ltd 自己始動式永久磁石同期電動機
JP2009225608A (ja) * 2008-03-18 2009-10-01 Nitto Denko Corp モータ用永久磁石及びモータ用永久磁石の製造方法
JP2010022147A (ja) * 2008-07-11 2010-01-28 Hitachi Ltd 焼結磁石モータ
CN101409121B (zh) * 2008-08-05 2011-01-05 中钢集团安徽天源科技股份有限公司 电机用钕铁硼永磁体及其制造方法
JP5429178B2 (ja) * 2008-10-02 2014-02-26 日産自動車株式会社 界磁極用磁石体、この界磁用磁石体の作製方法、及び永久磁石型回転電機
JP5262643B2 (ja) * 2008-12-04 2013-08-14 信越化学工業株式会社 Ｎｄ系焼結磁石及びその製造方法
EP2498267B1 (en) * 2011-03-09 2017-06-14 Siemens Aktiengesellschaft Layered magnet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11329809A (ja) * 1998-05-07 1999-11-30 Sumitomo Special Metals Co Ltd 電気抵抗率の傾斜機能を有する永久磁石とその製造方法
JP2005039255A (ja) * 2003-07-03 2005-02-10 Neomax Co Ltd 希土類永久磁石、回転機ならびに風力発電機
US6850140B1 (en) * 2003-09-10 2005-02-01 Magnetic Technologies Corporation Layered magnets and methods for producing same
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
CN101641854A (zh) * 2007-03-27 2010-02-03 日立金属株式会社 永磁体式旋转机及其制造方法
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
CN101552066A (zh) * 2008-01-31 2009-10-07 株式会社日立制作所 烧结磁铁及使用其的旋转机
CN101510708A (zh) * 2008-02-08 2009-08-19 阿尔斯通运输股份有限公司 用于安装磁极以及相关转子的方法

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229239A1 (en) * 2011-03-09 2012-09-13 Adriana Cristina Urda Layered magnet
CN104517696A (zh) * 2013-10-04 2015-04-15 大同特殊钢株式会社 RFeB系磁体以及RFeB系磁体的生产方法
CN104517697A (zh) * 2013-10-04 2015-04-15 大同特殊钢株式会社 结合型RFeB系磁体及结合型RFeB系磁体的制造方法
US9818513B2 (en) 2013-10-04 2017-11-14 Daido Steel Co., Ltd. RFeB-based magnet and method for producing RFeB-based magnet
CN105281530A (zh) * 2014-07-11 2016-01-27 上海微电子装备有限公司 具有重力补偿功能的圆筒型音圈电机
US11342803B2 (en) 2017-10-10 2022-05-24 Zero E Technologies, Llc Electric machine cooling systems and methods
CN109660070A (zh) * 2017-10-10 2019-04-19 零意技术有限责任公司 电机转子冷却系统和方法
CN109660070B (zh) * 2017-10-10 2023-03-14 零意技术有限责任公司 电机转子冷却系统和方法
US11764627B2 (en) 2017-10-10 2023-09-19 Zero-E Technologies Electric machine cooling systems and methods
US12176764B2 (en) 2017-10-10 2024-12-24 Zero E Technologies, Llc Stator and method of fabricating a stator
CN111064289A (zh) * 2019-12-30 2020-04-24 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
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
WO2022016437A1 (zh) * 2020-07-23 2022-01-27 华为数字能源技术有限公司 电机转子和电机
CN114731075A (zh) * 2020-07-23 2022-07-08 华为数字能源技术有限公司 电机转子和电机
US12388307B2 (en) 2020-07-23 2025-08-12 Huawei Digital Power Technologies Co., Ltd. Motor rotor and motor

Also Published As

Publication number Publication date
EP2498267A1 (en) 2012-09-12
JP2012191211A (ja) 2012-10-04
JP6245790B2 (ja) 2017-12-13
EP2498267B1 (en) 2017-06-14
IN2012DE00278A (https=) 2015-04-03
CN108847724A (zh) 2018-11-20
US20120229239A1 (en) 2012-09-13
DK2498267T3 (en) 2017-08-28
BR102012005246A2 (pt) 2013-11-26
CN108847723A (zh) 2018-11-20
KR20120103494A (ko) 2012-09-19

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Application publication date: 20120919