DE112023000235T5 - Rotorelement, rotor, elektrische drehmaschine, bürstenloser motor und verfahren zur herstellung des rotorelements - Google Patents
Rotorelement, rotor, elektrische drehmaschine, bürstenloser motor und verfahren zur herstellung des rotorelements Download PDFInfo
- Publication number
- DE112023000235T5 DE112023000235T5 DE112023000235.5T DE112023000235T DE112023000235T5 DE 112023000235 T5 DE112023000235 T5 DE 112023000235T5 DE 112023000235 T DE112023000235 T DE 112023000235T DE 112023000235 T5 DE112023000235 T5 DE 112023000235T5
- Authority
- DE
- Germany
- Prior art keywords
- magnetic body
- soft magnetic
- rotor element
- hard magnetic
- contact
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 15
- 239000006247 magnetic powder Substances 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims abstract description 79
- 239000011230 binding agent Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 150000002910 rare earth metals Chemical group 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- ZYHIULSBMGTPBF-UHFFFAOYSA-N 1-(3-aminopropyl)-3-(2,6-dimethylphenyl)urea Chemical compound Cc1cccc(C)c1NC(=O)NCCCN ZYHIULSBMGTPBF-UHFFFAOYSA-N 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 20
- 230000004048 modification Effects 0.000 description 18
- 238000012986 modification Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 239000003822 epoxy resin Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 235000010650 Hyssopus officinalis Nutrition 0.000 description 2
- 240000001812 Hyssopus officinalis Species 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
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
- H02K1/2726—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022169931 | 2022-10-24 | ||
| JP2022-169931 | 2022-10-24 | ||
| PCT/JP2023/022482 WO2024089933A1 (ja) | 2022-10-24 | 2023-06-16 | ロータ部材、ロータ、回転電気機械、ブラシレスモータ、及び、ロータ部材の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112023000235T5 true DE112023000235T5 (de) | 2024-07-04 |
Family
ID=89615963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112023000235.5T Pending DE112023000235T5 (de) | 2022-10-24 | 2023-06-16 | Rotorelement, rotor, elektrische drehmaschine, bürstenloser motor und verfahren zur herstellung des rotorelements |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240388148A1 (https=) |
| JP (1) | JP7420327B1 (https=) |
| CN (1) | CN118251823A (https=) |
| DE (1) | DE112023000235T5 (https=) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007214393A (ja) * | 2006-02-10 | 2007-08-23 | Mitsubishi Electric Corp | リング状の極異方性プラスチック磁石及びモータ用ロータ |
| JP2012095476A (ja) * | 2010-10-28 | 2012-05-17 | Hitachi Car Eng Co Ltd | ブラシレスモータ |
| JP5958685B2 (ja) * | 2012-02-15 | 2016-08-02 | 住友電気工業株式会社 | 粉末成形体の製造方法、回転機用部品の製造方法、及び回転機用部品 |
| JP6907707B2 (ja) * | 2017-05-26 | 2021-07-21 | 株式会社デンソー | ロータの製造方法 |
-
2023
- 2023-06-16 JP JP2023569887A patent/JP7420327B1/ja active Active
- 2023-06-16 CN CN202380014002.3A patent/CN118251823A/zh active Pending
- 2023-06-16 DE DE112023000235.5T patent/DE112023000235T5/de active Pending
-
2024
- 2024-07-30 US US18/788,587 patent/US20240388148A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN118251823A (zh) | 2024-06-25 |
| JPWO2024089933A1 (https=) | 2024-05-02 |
| US20240388148A1 (en) | 2024-11-21 |
| JP7420327B1 (ja) | 2024-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |