KR102794995B1 - 로터 코어, 로터, 및 회전 전기 기기 - Google Patents
로터 코어, 로터, 및 회전 전기 기기 Download PDFInfo
- Publication number
- KR102794995B1 KR102794995B1 KR1020237033785A KR20237033785A KR102794995B1 KR 102794995 B1 KR102794995 B1 KR 102794995B1 KR 1020237033785 A KR1020237033785 A KR 1020237033785A KR 20237033785 A KR20237033785 A KR 20237033785A KR 102794995 B1 KR102794995 B1 KR 102794995B1
- Authority
- KR
- South Korea
- Prior art keywords
- hole
- rotor core
- inner space
- length
- rotor
- 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.)
- Active
Links
- 230000005415 magnetization Effects 0.000 claims abstract description 29
- 238000013213 extrapolation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 13
- 230000004907 flux Effects 0.000 description 96
- 230000004888 barrier function Effects 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 13
- 229910000976 Electrical steel Inorganic materials 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002159 nanocrystal Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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]
-
- 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
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2021-060596 | 2021-03-31 | ||
| JP2021060596 | 2021-03-31 | ||
| PCT/JP2022/015202 WO2022210609A1 (ja) | 2021-03-31 | 2022-03-28 | ロータコア、ロータ、および回転電機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20230154236A KR20230154236A (ko) | 2023-11-07 |
| KR102794995B1 true KR102794995B1 (ko) | 2025-04-15 |
Family
ID=83459234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237033785A Active KR102794995B1 (ko) | 2021-03-31 | 2022-03-28 | 로터 코어, 로터, 및 회전 전기 기기 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20240171024A1 (https=) |
| EP (1) | EP4318885A4 (https=) |
| JP (1) | JP7620240B2 (https=) |
| KR (1) | KR102794995B1 (https=) |
| CN (1) | CN117121335A (https=) |
| BR (1) | BR112023019968A2 (https=) |
| MX (1) | MX2023011497A (https=) |
| TW (1) | TWI823313B (https=) |
| WO (1) | WO2022210609A1 (https=) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004096978A (ja) | 2002-09-04 | 2004-03-25 | Daikin Ind Ltd | 永久磁石埋め込み型電動機及び回転式圧縮機 |
| JP2012085433A (ja) * | 2010-10-12 | 2012-04-26 | Mitsubishi Electric Corp | 同期電動機の回転子 |
| JP2013099047A (ja) | 2011-10-31 | 2013-05-20 | Toyota Industries Corp | 永久磁石式回転電機の回転子、及び永久磁石式回転電機 |
| DE102014226171A1 (de) | 2014-12-17 | 2016-06-23 | Robert Bosch Gmbh | Rotor für eine elektrische Maschine |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206143A (ja) * | 1987-02-23 | 1988-08-25 | Fuji Electric Co Ltd | 永久磁石発電機 |
| JPH0434836U (https=) * | 1990-07-09 | 1992-03-24 | ||
| US8179011B2 (en) * | 2008-12-17 | 2012-05-15 | Asmo Co., Ltd. | Brushless motor |
| JP2010158085A (ja) | 2008-12-26 | 2010-07-15 | Mitsubishi Electric Corp | 永久磁石型モータの回転子 |
| JP5385077B2 (ja) | 2009-10-02 | 2014-01-08 | アスモ株式会社 | 回転電動機 |
| JP5806073B2 (ja) * | 2010-10-19 | 2015-11-10 | アスモ株式会社 | ブラシレスモータ |
| WO2016039746A1 (en) * | 2014-09-11 | 2016-03-17 | Nissan Motor Co., Ltd. | Permanent magnet synchronous motor |
| JP6651759B2 (ja) * | 2015-09-16 | 2020-02-19 | 日本製鉄株式会社 | 無方向性電磁鋼板およびその製造方法 |
| KR20180136524A (ko) * | 2016-06-22 | 2018-12-24 | 미쓰비시덴키 가부시키가이샤 | 컨시퀀트폴형의 회전자, 전동기 및 공기 조화기 |
| TWI606654B (zh) * | 2017-01-03 | 2017-11-21 | Waterproof connector and its manufacturing method | |
| WO2020217604A1 (ja) * | 2019-04-22 | 2020-10-29 | Ｊｆｅスチール株式会社 | 無方向性電磁鋼板の製造方法 |
| JP7372521B2 (ja) * | 2019-08-06 | 2023-11-01 | 日本製鉄株式会社 | 無方向性電磁鋼板及びその製造方法 |
| JP7028306B2 (ja) | 2020-12-14 | 2022-03-02 | 株式会社リコー | エレクトロクロミック表示素子 |
-
2022
- 2022-03-28 WO PCT/JP2022/015202 patent/WO2022210609A1/ja not_active Ceased
- 2022-03-28 JP JP2023511307A patent/JP7620240B2/ja active Active
- 2022-03-28 CN CN202280026348.0A patent/CN117121335A/zh active Pending
- 2022-03-28 US US18/552,916 patent/US20240171024A1/en active Pending
- 2022-03-28 BR BR112023019968A patent/BR112023019968A2/pt unknown
- 2022-03-28 MX MX2023011497A patent/MX2023011497A/es unknown
- 2022-03-28 KR KR1020237033785A patent/KR102794995B1/ko active Active
- 2022-03-28 EP EP22780820.1A patent/EP4318885A4/en active Pending
- 2022-03-30 TW TW111112282A patent/TWI823313B/zh active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004096978A (ja) | 2002-09-04 | 2004-03-25 | Daikin Ind Ltd | 永久磁石埋め込み型電動機及び回転式圧縮機 |
| JP2012085433A (ja) * | 2010-10-12 | 2012-04-26 | Mitsubishi Electric Corp | 同期電動機の回転子 |
| JP2013099047A (ja) | 2011-10-31 | 2013-05-20 | Toyota Industries Corp | 永久磁石式回転電機の回転子、及び永久磁石式回転電機 |
| DE102014226171A1 (de) | 2014-12-17 | 2016-06-23 | Robert Bosch Gmbh | Rotor für eine elektrische Maschine |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI823313B (zh) | 2023-11-21 |
| EP4318885A4 (en) | 2024-11-06 |
| BR112023019968A2 (pt) | 2023-12-12 |
| US20240171024A1 (en) | 2024-05-23 |
| TW202247566A (zh) | 2022-12-01 |
| CA3213779A1 (en) | 2022-10-06 |
| WO2022210609A1 (ja) | 2022-10-06 |
| EP4318885A1 (en) | 2024-02-07 |
| CN117121335A (zh) | 2023-11-24 |
| KR20230154236A (ko) | 2023-11-07 |
| JP7620240B2 (ja) | 2025-01-23 |
| MX2023011497A (es) | 2023-10-20 |
| JPWO2022210609A1 (https=) | 2022-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20231004 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20241209 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20250304 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20250408 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20250409 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |