JP2012050189A - 電動機、これを備えた密閉型圧縮機及びこれを備えた冷蔵庫 - Google Patents
電動機、これを備えた密閉型圧縮機及びこれを備えた冷蔵庫 Download PDFInfo
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- JP2012050189A JP2012050189A JP2010187786A JP2010187786A JP2012050189A JP 2012050189 A JP2012050189 A JP 2012050189A JP 2010187786 A JP2010187786 A JP 2010187786A JP 2010187786 A JP2010187786 A JP 2010187786A JP 2012050189 A JP2012050189 A JP 2012050189A
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- Japan
- Prior art keywords
- electric motor
- rotor
- hermetic compressor
- permanent magnet
- sections
- 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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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]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Compressor (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
【解決手段】円盤状の電磁鋼板を積層してなる回転子鉄心に複数個の永久磁石を等間隔に埋め込んだ磁石埋込型の回転子を備えた電動機において、前記永久磁石は3軸異方性形状であって、前記回転子は軸方向に複数の区間に区分し、且つ該複数の区間毎に発生するコギングトルクの位相差に応じた幅の溝を外周に有することを特徴とする。
【選択図】 図1
Description
2 固定子
3 回転子
4 ティース
5 スロット
6 固定子鉄芯
7 電機子巻線
8 永久磁石挿入孔
9 回転子鉄芯
10 3軸異方性磁石
11 シャフト孔
12 電磁鋼板
13 回転子電磁鋼板
14a,14b 溝
50 密閉型圧縮機
100 冷蔵庫
Claims (5)
- 円盤状の電磁鋼板を積層してなる回転子鉄心に複数個の永久磁石を等間隔に埋め込んだ磁石埋込型の回転子を備えた電動機において、
前記永久磁石は3軸異方性形状であって、前記回転子はコギングトルクの振幅が所定の大きさとなるように軸方向に複数の区間に区分され、且つ該複数の区間毎に発生するコギングトルクの位相差に応じた幅の溝を外周に有することを特徴とする電動機。 - 請求項1記載の電動機において、前記溝の軸方向長さは前記コギングトルクが所定の振幅となるように設けたことを特徴とする電動機。
- 請求項1記載の電動機において、前記永久磁石から発生して前記固定子の電機子巻線へ向かう界磁磁束が磁気飽和しないによう間隔を設けたことを特徴とする電動機。
- 請求項1乃至3のいずれかに記載の電動機を備えたことを特徴とする密閉型圧縮機。
- 請求項4記載の密閉型圧縮機を備えたことを特徴とする冷蔵庫。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010187786A JP5337769B2 (ja) | 2010-08-25 | 2010-08-25 | 電動機、これを備えた密閉型圧縮機及びこれを備えた冷蔵庫 |
KR1020110004840A KR101193045B1 (ko) | 2010-08-25 | 2011-01-18 | 전동기, 이것을 구비한 밀폐형 압축기 및 이것을 구비한 냉장고 |
CN201110040938.2A CN102386699B (zh) | 2010-08-25 | 2011-02-17 | 电动机、具备其的密闭型压缩机和具备其的冰箱 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010187786A JP5337769B2 (ja) | 2010-08-25 | 2010-08-25 | 電動機、これを備えた密閉型圧縮機及びこれを備えた冷蔵庫 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012050189A true JP2012050189A (ja) | 2012-03-08 |
JP5337769B2 JP5337769B2 (ja) | 2013-11-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010187786A Active JP5337769B2 (ja) | 2010-08-25 | 2010-08-25 | 電動機、これを備えた密閉型圧縮機及びこれを備えた冷蔵庫 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5337769B2 (ja) |
KR (1) | KR101193045B1 (ja) |
CN (1) | CN102386699B (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014204561A (ja) * | 2013-04-05 | 2014-10-27 | 株式会社日立産機システム | 永久磁石同期機 |
US9281722B2 (en) | 2012-12-11 | 2016-03-08 | Hyundai Motor Company | Interior permanent magnet synchronous motor |
JP2017070040A (ja) * | 2015-09-29 | 2017-04-06 | アイシン精機株式会社 | 三相回転電機 |
US10098666B2 (en) | 2011-05-27 | 2018-10-16 | DePuy Synthes Products, Inc. | Minimally invasive spinal fixation system including vertebral alignment features |
US10441325B2 (en) | 2006-04-11 | 2019-10-15 | DePuy Synthes Products, Inc. | Minimally invasive fixation system |
US10888360B2 (en) | 2010-04-23 | 2021-01-12 | DePuy Synthes Products, Inc. | Minimally invasive instrument set, devices, and related methods |
US10993739B2 (en) | 2009-05-20 | 2021-05-04 | DePuy Synthes Products, Inc. | Patient-mounted retraction |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014045445A1 (ja) * | 2012-09-24 | 2014-03-27 | 三菱電機株式会社 | 永久磁石埋込型電動機 |
KR20140040306A (ko) * | 2012-09-24 | 2014-04-03 | 삼성전자주식회사 | 모터 |
JP2014150695A (ja) * | 2013-02-04 | 2014-08-21 | Toshiba Carrier Corp | 永久磁石電動機、密閉型圧縮機および冷凍サイクル装置 |
CN106469953A (zh) * | 2015-08-18 | 2017-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | 一种电机及其转子 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002044889A (ja) * | 2000-05-17 | 2002-02-08 | Hitachi Metals Ltd | 3軸異方性一体形永久磁石および回転機 |
JP2003032921A (ja) * | 2001-07-13 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 電動機 |
JP2004320952A (ja) * | 2003-04-18 | 2004-11-11 | Hitachi Industrial Equipment Systems Co Ltd | 永久磁石式回転電機 |
JP2009077525A (ja) * | 2007-09-20 | 2009-04-09 | Toshiba Industrial Products Manufacturing Corp | 回転電機の回転子及び回転電機 |
JP2009081909A (ja) * | 2007-09-25 | 2009-04-16 | Hitachi Appliances Inc | 永久磁石式回転電動機およびそれを用いた洗濯機 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3301980B2 (ja) | 1998-12-03 | 2002-07-15 | 三洋電機株式会社 | 集中巻方式のブラシレスdcモータ |
JP2005210826A (ja) * | 2004-01-22 | 2005-08-04 | Fujitsu General Ltd | 電動機 |
-
2010
- 2010-08-25 JP JP2010187786A patent/JP5337769B2/ja active Active
-
2011
- 2011-01-18 KR KR1020110004840A patent/KR101193045B1/ko not_active IP Right Cessation
- 2011-02-17 CN CN201110040938.2A patent/CN102386699B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002044889A (ja) * | 2000-05-17 | 2002-02-08 | Hitachi Metals Ltd | 3軸異方性一体形永久磁石および回転機 |
JP2003032921A (ja) * | 2001-07-13 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 電動機 |
JP2004320952A (ja) * | 2003-04-18 | 2004-11-11 | Hitachi Industrial Equipment Systems Co Ltd | 永久磁石式回転電機 |
JP2009077525A (ja) * | 2007-09-20 | 2009-04-09 | Toshiba Industrial Products Manufacturing Corp | 回転電機の回転子及び回転電機 |
JP2009081909A (ja) * | 2007-09-25 | 2009-04-16 | Hitachi Appliances Inc | 永久磁石式回転電動機およびそれを用いた洗濯機 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10441325B2 (en) | 2006-04-11 | 2019-10-15 | DePuy Synthes Products, Inc. | Minimally invasive fixation system |
US10993739B2 (en) | 2009-05-20 | 2021-05-04 | DePuy Synthes Products, Inc. | Patient-mounted retraction |
US10888360B2 (en) | 2010-04-23 | 2021-01-12 | DePuy Synthes Products, Inc. | Minimally invasive instrument set, devices, and related methods |
US11389213B2 (en) | 2010-04-23 | 2022-07-19 | DePuy Synthes Products, Inc. | Minimally invasive instrument set, devices, and related methods |
US10098666B2 (en) | 2011-05-27 | 2018-10-16 | DePuy Synthes Products, Inc. | Minimally invasive spinal fixation system including vertebral alignment features |
US9281722B2 (en) | 2012-12-11 | 2016-03-08 | Hyundai Motor Company | Interior permanent magnet synchronous motor |
JP2014204561A (ja) * | 2013-04-05 | 2014-10-27 | 株式会社日立産機システム | 永久磁石同期機 |
JP2017070040A (ja) * | 2015-09-29 | 2017-04-06 | アイシン精機株式会社 | 三相回転電機 |
US10361599B2 (en) | 2015-09-29 | 2019-07-23 | Aisin Seiki Kabushiki Kaisha | Three-phase rotating electrical machine |
Also Published As
Publication number | Publication date |
---|---|
JP5337769B2 (ja) | 2013-11-06 |
KR101193045B1 (ko) | 2012-10-22 |
KR20120023499A (ko) | 2012-03-13 |
CN102386699B (zh) | 2014-11-26 |
CN102386699A (zh) | 2012-03-21 |
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