JP2019201468A - ロータ - Google Patents
ロータ Download PDFInfo
- Publication number
- JP2019201468A JP2019201468A JP2018093892A JP2018093892A JP2019201468A JP 2019201468 A JP2019201468 A JP 2019201468A JP 2018093892 A JP2018093892 A JP 2018093892A JP 2018093892 A JP2018093892 A JP 2018093892A JP 2019201468 A JP2019201468 A JP 2019201468A
- Authority
- JP
- Japan
- Prior art keywords
- axial direction
- magnet
- divided
- rotating shaft
- 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.)
- Granted
Links
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
-
- 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
- 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
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
5 ロータ
9 永久磁石
9A 磁石凹部
91 分割磁石
92 分割磁石
10 アーマリング
10C 接続部
11 分割リング
12 分割リング
20 接続部材
21 凸部
A 軸方向
a 分割リングと接続部材の外周部とが重複する長さ
b 磁石凹部と接続部材の凸部が重複する長さ
Claims (2)
- 回転軸と、該回転軸の周囲に配置された永久磁石と、該永久磁石の周囲に配置されたアーマリングと、を備えたロータであって、
前記永久磁石は、前記回転軸の軸方向において複数の分割磁石に分割され、
前記アーマリングは、前記軸方向において複数の分割リングに分割され、
前記ロータは、前記軸方向に隣り合う二つの前記分割リングの接続部の内周に配置されかつ前記軸方向に隣り合う二つの前記分割磁石の間に配置された接続部材をさらに備え、
前記分割磁石は、前記軸方向に凸の磁石凸部または前記軸方向に凹の磁石凹部を有し、
前記接続部材は、前記磁石凸部を嵌合させる凹部または前記磁石凹部に嵌合する凸部を有することを特徴とするロータ。 - 前記軸方向において、前記磁石凸部と前記接続部材の前記凹部または前記磁石凹部と前記接続部材の前記凸部が重複する長さは、前記分割リングと前記接続部材の外周部とが重複する長さよりも長いことを特徴とする請求項1に記載のロータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018093892A JP7091822B2 (ja) | 2018-05-15 | 2018-05-15 | ロータ |
DE102019109485.2A DE102019109485A1 (de) | 2018-05-15 | 2019-04-10 | Rotor |
US16/396,842 US10910894B2 (en) | 2018-05-15 | 2019-04-29 | Rotor |
CN201910393134.7A CN110492634B (zh) | 2018-05-15 | 2019-05-13 | 转子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018093892A JP7091822B2 (ja) | 2018-05-15 | 2018-05-15 | ロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019201468A true JP2019201468A (ja) | 2019-11-21 |
JP7091822B2 JP7091822B2 (ja) | 2022-06-28 |
Family
ID=68419317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018093892A Active JP7091822B2 (ja) | 2018-05-15 | 2018-05-15 | ロータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10910894B2 (ja) |
JP (1) | JP7091822B2 (ja) |
CN (1) | CN110492634B (ja) |
DE (1) | DE102019109485A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021127912A1 (zh) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | 线性振动电机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102851A (ja) * | 1983-11-09 | 1985-06-07 | Toshiba Corp | 永久磁石回転子とその製造方法 |
JP2006025509A (ja) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | 電動パワーステアリング装置用モータ及び電動パワーステアリング装置 |
JP2008109725A (ja) * | 2006-10-23 | 2008-05-08 | Mitsubishi Electric Corp | リング型焼結磁石及びその製造方法並びに永久磁石型モータ |
JP2011041371A (ja) * | 2009-08-07 | 2011-02-24 | Nishishiba Electric Co Ltd | 永久磁石形回転電機の回転子およびその組立方法 |
CN105245043A (zh) * | 2015-10-13 | 2016-01-13 | 珠海格力节能环保制冷技术研究中心有限公司 | 一种分段斜极式永磁同步电机转子 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2883225B2 (ja) * | 1991-07-10 | 1999-04-19 | 三菱電機株式会社 | 耐熱耐圧形永久磁石同期電動機 |
FR2762722B1 (fr) * | 1997-04-23 | 1999-07-30 | Centre Nat Rech Scient | Machine electrique a double excitation perfectionnee |
JP5359062B2 (ja) * | 2008-06-30 | 2013-12-04 | 株式会社明電舎 | 永久磁石式回転機の回転子構造 |
FR2935205B1 (fr) * | 2008-08-20 | 2010-10-08 | Michelin Soc Tech | Rotor interieur pour machine electrique tournante et son procede d'assemblage |
JP5322028B2 (ja) | 2009-02-24 | 2013-10-23 | 株式会社Ihi | モータロータ |
US9407115B2 (en) * | 2012-04-03 | 2016-08-02 | Lcdrives Corp. | Shaft attachment means for high efficiency permanent magnet machine with separated tab pole rotor |
JP6592230B2 (ja) | 2013-11-07 | 2019-10-16 | 川崎重工業株式会社 | 磁石浮上り及び飛散防止部材並びにロータ |
-
2018
- 2018-05-15 JP JP2018093892A patent/JP7091822B2/ja active Active
-
2019
- 2019-04-10 DE DE102019109485.2A patent/DE102019109485A1/de active Pending
- 2019-04-29 US US16/396,842 patent/US10910894B2/en active Active
- 2019-05-13 CN CN201910393134.7A patent/CN110492634B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102851A (ja) * | 1983-11-09 | 1985-06-07 | Toshiba Corp | 永久磁石回転子とその製造方法 |
JP2006025509A (ja) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | 電動パワーステアリング装置用モータ及び電動パワーステアリング装置 |
JP2008109725A (ja) * | 2006-10-23 | 2008-05-08 | Mitsubishi Electric Corp | リング型焼結磁石及びその製造方法並びに永久磁石型モータ |
JP2011041371A (ja) * | 2009-08-07 | 2011-02-24 | Nishishiba Electric Co Ltd | 永久磁石形回転電機の回転子およびその組立方法 |
CN105245043A (zh) * | 2015-10-13 | 2016-01-13 | 珠海格力节能环保制冷技术研究中心有限公司 | 一种分段斜极式永磁同步电机转子 |
Also Published As
Publication number | Publication date |
---|---|
CN110492634B (zh) | 2021-04-23 |
JP7091822B2 (ja) | 2022-06-28 |
CN110492634A (zh) | 2019-11-22 |
US20190356184A1 (en) | 2019-11-21 |
DE102019109485A1 (de) | 2019-11-21 |
US10910894B2 (en) | 2021-02-02 |
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