IE43265B1 - Rare earth permanent magnet rotor for dynamo electric machines and method of manufacturing same - Google Patents
Rare earth permanent magnet rotor for dynamo electric machines and method of manufacturing sameInfo
- Publication number
- IE43265B1 IE43265B1 IE190675A IE190675A IE43265B1 IE 43265 B1 IE43265 B1 IE 43265B1 IE 190675 A IE190675 A IE 190675A IE 190675 A IE190675 A IE 190675A IE 43265 B1 IE43265 B1 IE 43265B1
- Authority
- IE
- Ireland
- Prior art keywords
- rotor
- pieces
- permanent magnet
- rare earth
- pole pieces
- Prior art date
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 51
- 150000002910 rare earth metals Chemical class 0.000 title claims description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 230000004907 flux Effects 0.000 claims abstract description 27
- 238000011065 in-situ storage Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 72
- 238000003475 lamination Methods 0.000 claims description 22
- 230000005415 magnetization Effects 0.000 claims description 20
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000005417 remagnetization Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910000828 alnico Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001158 Alnico 8 Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K25/00—DC interrupter motors or generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Dc Machiner (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/502,213 US3937993A (en) | 1974-05-20 | 1974-08-30 | Commutating structure for DC machines |
| US05/576,125 US3991331A (en) | 1973-07-30 | 1975-05-09 | Commutating structure for DC machines |
| US05/586,909 US3979821A (en) | 1975-05-09 | 1975-06-16 | Method of manufacturing rare earth permanent magnet rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE43265L IE43265L (en) | 1976-02-29 |
| IE43265B1 true IE43265B1 (en) | 1981-01-28 |
Family
ID=27414199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE190675A IE43265B1 (en) | 1974-08-30 | 1975-08-29 | Rare earth permanent magnet rotor for dynamo electric machines and method of manufacturing same |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS576340B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1035403A (enrdf_load_stackoverflow) |
| CH (1) | CH589379A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2538320B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2283572A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1503708A (enrdf_load_stackoverflow) |
| IE (1) | IE43265B1 (enrdf_load_stackoverflow) |
| IT (1) | IT1044440B (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5846857A (ja) * | 1981-09-11 | 1983-03-18 | Fanuc Ltd | 同期モ−タ用ロ−タの製造方法 |
| DE3245400A1 (de) * | 1982-12-08 | 1984-06-14 | Robert Bosch Gmbh, 7000 Stuttgart | Permanenterregter generator fuer fahrzeuge |
| JPS59230454A (ja) * | 1983-06-10 | 1984-12-25 | Fanuc Ltd | 永久磁石界磁回転子の製造方法 |
| US4504755A (en) * | 1983-11-03 | 1985-03-12 | Kollmorgen Technologies Corporation | Rotor reluctance notch for cogging control |
| JPS62193537A (ja) * | 1986-02-17 | 1987-08-25 | Fanuc Ltd | 永久界磁回転子 |
| JP2574007B2 (ja) * | 1988-08-02 | 1997-01-22 | ファナック株式会社 | 同期電動機のロータ |
| IT1294560B1 (it) * | 1997-01-29 | 1999-04-12 | Idm Srl | Generatore elettrico con rotore interno per piccoli motori endotermici |
| JP2001204146A (ja) | 1999-11-08 | 2001-07-27 | Isuzu Motors Ltd | 回転機のロータ及びその製作方法 |
| JP2001136690A (ja) | 1999-11-10 | 2001-05-18 | Isuzu Motors Ltd | 回転機のロータ |
| EP1420500A1 (en) | 2002-11-15 | 2004-05-19 | Minebea Co., Ltd. | Rotor assembly for an electrical machine |
| EP1420499B1 (en) * | 2002-11-15 | 2006-06-14 | Minebea Co., Ltd. | Rotor with embedded permanent magnets |
| DE102009026288A1 (de) * | 2009-07-29 | 2011-02-10 | Sabinski, Joachim, Dr.-Ing. | Permanentmagnetläufer mit geschützt und versenkt angeordneten, radial ausgerichteten Permanentmagneten bei tangentialer Ausrichtung der Magnetpole als Innenläuferausführung oder Außenläuferausführung rotierender elektrischer Maschinen und Verfahren zur Montage dieser Permanentmagnetläufer |
| CN102315710B (zh) * | 2010-07-01 | 2014-03-26 | 京能新能源科技（上海）有限公司 | 永磁发电机或电动机永磁体固定结构 |
| JP6282795B2 (ja) * | 2011-11-10 | 2018-02-21 | 日本電産株式会社 | モータ |
| JP5888490B2 (ja) * | 2011-11-10 | 2016-03-22 | 日本電産株式会社 | モータ |
| DE102021118832A1 (de) * | 2021-07-21 | 2023-01-26 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Rotor für eine elektrische Maschine, elektrische Maschine und Verfahren zum Betreiben einer elektrischen Maschine |
| EP4220900A1 (de) * | 2022-01-28 | 2023-08-02 | Siemens Aktiengesellschaft | Dynamoelektrische rotatorische maschine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1272067A (fr) * | 1960-07-19 | 1961-09-22 | Comp Generale Electricite | Rotor d'alternateur |
| US3768054A (en) * | 1972-04-03 | 1973-10-23 | Gen Electric | Low flux leakage magnet construction |
-
1975
- 1975-08-26 CH CH1105675A patent/CH589379A5/de not_active IP Right Cessation
- 1975-08-26 DE DE19752538320 patent/DE2538320B2/de not_active Ceased
- 1975-08-27 GB GB3532175A patent/GB1503708A/en not_active Expired
- 1975-08-29 CA CA234,456A patent/CA1035403A/en not_active Expired
- 1975-08-29 IE IE190675A patent/IE43265B1/en unknown
- 1975-08-29 JP JP10558575A patent/JPS576340B2/ja not_active Expired
- 1975-09-01 IT IT5114375A patent/IT1044440B/it active
- 1975-09-01 FR FR7526749A patent/FR2283572A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1035403A (en) | 1978-07-25 |
| IT1044440B (it) | 1980-03-20 |
| GB1503708A (en) | 1978-03-15 |
| DE2538320A1 (de) | 1976-03-18 |
| FR2283572A1 (fr) | 1976-03-26 |
| CH589379A5 (enrdf_load_stackoverflow) | 1977-06-30 |
| JPS5150408A (enrdf_load_stackoverflow) | 1976-05-04 |
| DE2538320B2 (de) | 1980-01-24 |
| FR2283572B1 (enrdf_load_stackoverflow) | 1978-04-07 |
| IE43265L (en) | 1976-02-29 |
| JPS576340B2 (enrdf_load_stackoverflow) | 1982-02-04 |
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