JP2015076985A - 回転電機用ロータ - Google Patents
回転電機用ロータ Download PDFInfo
- Publication number
- JP2015076985A JP2015076985A JP2013211777A JP2013211777A JP2015076985A JP 2015076985 A JP2015076985 A JP 2015076985A JP 2013211777 A JP2013211777 A JP 2013211777A JP 2013211777 A JP2013211777 A JP 2013211777A JP 2015076985 A JP2015076985 A JP 2015076985A
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- JP
- Japan
- Prior art keywords
- magnet
- rotor
- magnets
- coated
- core
- 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.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 238000004804 winding Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
【解決手段】ロータ12は、周方向複数個所に軸方向に延伸するように設けられた磁石孔32を有するロータコア24と、各磁石孔32のそれぞれに、複数に分割配置された永久磁石である磁石28,30とを含む。各磁石孔32内の磁石28,30は、少なくともロータコア24に接触するコア接触面に設けられた絶縁皮膜34を有する皮膜付磁石30と、絶縁皮膜が存在しない皮膜なし磁石28とを含む。
【選択図】図2
Description
Claims (4)
- 周方向複数個所に軸方向に延伸するように設けられた磁石孔を有するロータコアと、
前記各磁石孔のそれぞれに、複数に分割配置された永久磁石と、を備え、
前記各磁石孔内の前記永久磁石は、少なくとも前記ロータコアに接触するコア接触面に設けられた絶縁皮膜を有する皮膜付磁石と、前記絶縁皮膜が存在しない皮膜なし磁石とを含む、回転電機用ロータ。 - 請求項1に記載の回転電機用ロータにおいて、
前記皮膜付磁石は、前記コア接触面を含む全周面にわたって設けられた前記絶縁皮膜を有する、回転電機用ロータ。 - 請求項1に記載の回転電機用ロータにおいて、
前記皮膜付磁石は、前記コア接触面のみに設けられた前記絶縁皮膜を有する、回転電機用ロータ。 - 請求項1から請求項3のいずれか1に記載の回転電機用ロータにおいて、
前記各磁石孔内の前記永久磁石において、前記皮膜付磁石と前記皮膜なし磁石との間に前記絶縁皮膜または隙間が設けられる、回転電機用ロータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013211777A JP6127893B2 (ja) | 2013-10-09 | 2013-10-09 | 回転電機用ロータ |
Applications Claiming Priority (1)
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JP2013211777A JP6127893B2 (ja) | 2013-10-09 | 2013-10-09 | 回転電機用ロータ |
Publications (2)
Publication Number | Publication Date |
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JP2015076985A true JP2015076985A (ja) | 2015-04-20 |
JP6127893B2 JP6127893B2 (ja) | 2017-05-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013211777A Expired - Fee Related JP6127893B2 (ja) | 2013-10-09 | 2013-10-09 | 回転電機用ロータ |
Country Status (1)
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JP (1) | JP6127893B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022012547A (ja) * | 2020-07-01 | 2022-01-17 | トヨタ自動車株式会社 | 回転機のロータおよびその製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001292545A (ja) * | 2000-02-03 | 2001-10-19 | Denso Corp | 車両用回転電機の固定子 |
JP2009219314A (ja) * | 2008-03-12 | 2009-09-24 | Toyota Industries Corp | 回転電機の回転子及びその製造方法 |
-
2013
- 2013-10-09 JP JP2013211777A patent/JP6127893B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001292545A (ja) * | 2000-02-03 | 2001-10-19 | Denso Corp | 車両用回転電機の固定子 |
JP2009219314A (ja) * | 2008-03-12 | 2009-09-24 | Toyota Industries Corp | 回転電機の回転子及びその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022012547A (ja) * | 2020-07-01 | 2022-01-17 | トヨタ自動車株式会社 | 回転機のロータおよびその製造方法 |
JP7338570B2 (ja) | 2020-07-01 | 2023-09-05 | トヨタ自動車株式会社 | 回転機のロータおよびその製造方法 |
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JP6127893B2 (ja) | 2017-05-17 |
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