JP5501660B2 - 電動モータ及びそのロータ - Google Patents
電動モータ及びそのロータ Download PDFInfo
- Publication number
- JP5501660B2 JP5501660B2 JP2009134801A JP2009134801A JP5501660B2 JP 5501660 B2 JP5501660 B2 JP 5501660B2 JP 2009134801 A JP2009134801 A JP 2009134801A JP 2009134801 A JP2009134801 A JP 2009134801A JP 5501660 B2 JP5501660 B2 JP 5501660B2
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- Prior art keywords
- rare earth
- earth permanent
- magnet
- yoke
- 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.)
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- 229910052761 rare earth metal Inorganic materials 0.000 claims description 73
- 150000002910 rare earth metals Chemical class 0.000 claims description 73
- 230000005415 magnetization Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Description
1 シャフト
2 ヨーク
2a 貫通穴
2b リブ
10 希土類永久磁石
20 ボンド磁石
Claims (5)
- 回転軸であるシャフトと、
前記シャフトの外周に形成され、前記シャフトと一体に回転するヨークと、
前記ヨーク外周の周方向に互いに所定の間隔をあけて配設される複数の希土類永久磁石と、
前記ヨーク外周に前記希土類永久磁石と一体となるようにモールドされるボンド磁石と、
前記ヨーク外周に、前記ヨークの軸方向に凸状に形成される複数のリブと、を備え、
前記希土類永久磁石は、隣接する一対の前記リブの間に、前記リブと所定の間隔をあけて配設されることを特徴とする電動モータのロータ。 - 前記ボンド磁石は、前記希土類永久磁石の前記間隔を埋め、かつ前記希土類永久磁石外周を覆うように形成されることを特徴とする請求項1に記載の電動モータのロータ。
- 前記ヨークには、周方向に等間隔に複数の貫通穴が軸方向に形成され、
前記ボンド磁石は、前記貫通穴を埋めるように一体としてモールドされることを特徴とする請求項2に記載の電動モータのロータ。 - 前記ボンド磁石には、スキュー着磁が施されることを特徴とする請求項1から3のいずれか一つに記載の電動モータのロータ。
- 請求項1から4のいずれか一つに記載のロータを備えることを特徴とする電動モータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009134801A JP5501660B2 (ja) | 2009-06-04 | 2009-06-04 | 電動モータ及びそのロータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009134801A JP5501660B2 (ja) | 2009-06-04 | 2009-06-04 | 電動モータ及びそのロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010283978A JP2010283978A (ja) | 2010-12-16 |
JP5501660B2 true JP5501660B2 (ja) | 2014-05-28 |
Family
ID=43540210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009134801A Active JP5501660B2 (ja) | 2009-06-04 | 2009-06-04 | 電動モータ及びそのロータ |
Country Status (1)
Country | Link |
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JP (1) | JP5501660B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3386075A1 (en) * | 2017-04-06 | 2018-10-10 | LG Electronics Inc. | Electric motor with permament magnet and compressor having the same |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5762105B2 (ja) * | 2011-04-20 | 2015-08-12 | 三菱電機株式会社 | 永久磁石型回転電機の製造方法 |
JP5929146B2 (ja) * | 2011-12-07 | 2016-06-01 | マツダ株式会社 | 回転電機のロータ及びその製造方法 |
US9246365B2 (en) * | 2012-01-23 | 2016-01-26 | Aisan Kogyo Kabushiki Kaisha | Regulation of permanent magnet motion in a brushless motor |
WO2018016067A1 (ja) * | 2016-07-22 | 2018-01-25 | 三菱電機株式会社 | 電動機、空気調和機、回転子、及び電動機の製造方法 |
KR101918065B1 (ko) * | 2017-04-06 | 2018-11-13 | 엘지전자 주식회사 | 영구자석을 가지는 전동기 및 이를 구비한 압축기 |
JP2018194004A (ja) * | 2018-08-29 | 2018-12-06 | 日立アプライアンス株式会社 | 電動送風機および電気掃除機 |
WO2020129123A1 (ja) | 2018-12-17 | 2020-06-25 | 三菱電機株式会社 | 回転子、電動機、送風機、及び空気調和機、並びに回転子の製造方法 |
JP2022163299A (ja) | 2021-04-14 | 2022-10-26 | トヨタ自動車株式会社 | モータ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6130944A (ja) * | 1984-07-18 | 1986-02-13 | Hitachi Ltd | 回転電機 |
JPS641665U (ja) * | 1987-06-22 | 1989-01-06 | ||
JP2003284273A (ja) * | 2002-03-26 | 2003-10-03 | Sumitomo Heavy Ind Ltd | 表面貼付永久磁石同期電動機 |
JP2007135346A (ja) * | 2005-11-11 | 2007-05-31 | Daido Electronics Co Ltd | ヨーク一体型磁石 |
JP2008245488A (ja) * | 2007-03-29 | 2008-10-09 | Tdk Corp | リング状磁石及びその製造方法、並びにモータ |
-
2009
- 2009-06-04 JP JP2009134801A patent/JP5501660B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3386075A1 (en) * | 2017-04-06 | 2018-10-10 | LG Electronics Inc. | Electric motor with permament magnet and compressor having the same |
US10840757B2 (en) | 2017-04-06 | 2020-11-17 | Lg Electronics Inc. | Electric motor with permanent magnet and compressor having the same |
Also Published As
Publication number | Publication date |
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JP2010283978A (ja) | 2010-12-16 |
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