WO2009014172A1 - 広範囲定出力永久磁石モータ - Google Patents

広範囲定出力永久磁石モータ Download PDF

Info

Publication number
WO2009014172A1
WO2009014172A1 PCT/JP2008/063271 JP2008063271W WO2009014172A1 WO 2009014172 A1 WO2009014172 A1 WO 2009014172A1 JP 2008063271 W JP2008063271 W JP 2008063271W WO 2009014172 A1 WO2009014172 A1 WO 2009014172A1
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnet
wide range
magnet motor
constant output
range constant
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.)
Ceased
Application number
PCT/JP2008/063271
Other languages
English (en)
French (fr)
Inventor
Daiki Matsuhashi
Hiroyuki Nakaura
Kenji Kawakubo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2008179021A external-priority patent/JP2009050148A/ja
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Publication of WO2009014172A1 publication Critical patent/WO2009014172A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

鉄心２０中に円弧形状の外周面を有する永久磁石１０を埋め込んだので、ギャップ磁束分布が乱れず、トルクリップル、電圧リップルの増大を招く虞もなく、また、ロータの小型化にも有利なものである他、永久磁石１０、１１の鉄心径方向内周側に空孔４０を設けたので、その空孔４０がない場合に比較してｄ軸インダクタンスＬdを小さくし、突極比（Ｌd－Ｌq）を大きく取ることができ、つまり、リラクタンストルクＴrを大きく取ることができる。
PCT/JP2008/063271 2007-07-26 2008-07-24 広範囲定出力永久磁石モータ Ceased WO2009014172A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-194014 2007-07-26
JP2007194014 2007-07-26
JP2008179021A JP2009050148A (ja) 2007-07-26 2008-07-09 広範囲定出力永久磁石式モータ
JP2008-179021 2008-07-09

Publications (1)

Publication Number Publication Date
WO2009014172A1 true WO2009014172A1 (ja) 2009-01-29

Family

ID=40281420

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063271 Ceased WO2009014172A1 (ja) 2007-07-26 2008-07-24 広範囲定出力永久磁石モータ

Country Status (1)

Country Link
WO (1) WO2009014172A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010010434A1 (de) * 2010-02-26 2011-09-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor für eine elektrische Maschine
DE102010027837A1 (de) 2010-04-16 2011-10-20 Robert Bosch Gmbh Synchronmotor
EP2773022A4 (en) * 2011-10-26 2016-01-20 Mitsubishi Electric Corp ROTOR AND INTERNAL PERMANENT MAGNETIC MOTOR
EP2741401A4 (en) * 2011-08-05 2016-04-20 Gree Electric Appliances Inc MOTOR ROTOR AND ENGINE COMPRISING THIS ROTOR

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05304737A (ja) * 1992-02-26 1993-11-16 Toshiba Corp 永久磁石形モータ
JPH11285184A (ja) * 1998-03-27 1999-10-15 Fujitsu General Ltd 永久磁石電動機
JP2002345188A (ja) * 2001-05-14 2002-11-29 Nissan Motor Co Ltd 回転電機
JP2003061283A (ja) * 2001-08-17 2003-02-28 Mitsubishi Electric Corp 回転電機の回転子、固定子、電動機、圧縮機、冷凍サイクル、回転電機の回転子製造方法
JP2005006484A (ja) * 2003-05-21 2005-01-06 Mitsubishi Heavy Ind Ltd Ｉｐｍ回転電機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05304737A (ja) * 1992-02-26 1993-11-16 Toshiba Corp 永久磁石形モータ
JPH11285184A (ja) * 1998-03-27 1999-10-15 Fujitsu General Ltd 永久磁石電動機
JP2002345188A (ja) * 2001-05-14 2002-11-29 Nissan Motor Co Ltd 回転電機
JP2003061283A (ja) * 2001-08-17 2003-02-28 Mitsubishi Electric Corp 回転電機の回転子、固定子、電動機、圧縮機、冷凍サイクル、回転電機の回転子製造方法
JP2005006484A (ja) * 2003-05-21 2005-01-06 Mitsubishi Heavy Ind Ltd Ｉｐｍ回転電機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010010434A1 (de) * 2010-02-26 2011-09-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor für eine elektrische Maschine
DE102010027837A1 (de) 2010-04-16 2011-10-20 Robert Bosch Gmbh Synchronmotor
EP2741401A4 (en) * 2011-08-05 2016-04-20 Gree Electric Appliances Inc MOTOR ROTOR AND ENGINE COMPRISING THIS ROTOR
EP2773022A4 (en) * 2011-10-26 2016-01-20 Mitsubishi Electric Corp ROTOR AND INTERNAL PERMANENT MAGNETIC MOTOR
US9276445B2 (en) 2011-10-26 2016-03-01 Mitsubishi Electric Corporation Rotor and interior permanent magnet motor

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