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WO2009063350A3 - Permanent magnet rotor for a synchronous electrical machine, particularly for a reluctance motor - Google Patents

Permanent magnet rotor for a synchronous electrical machine, particularly for a reluctance motor Download PDF

Info

Publication number
WO2009063350A3
WO2009063350A3 PCT/IB2008/054477 IB2008054477W WO2009063350A3 WO 2009063350 A3 WO2009063350 A3 WO 2009063350A3 IB 2008054477 W IB2008054477 W IB 2008054477W WO 2009063350 A3 WO2009063350 A3 WO 2009063350A3
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnet
electrical machine
magnet rotor
reluctance motor
synchronous electrical
Prior art date
Application number
PCT/IB2008/054477
Other languages
French (fr)
Other versions
WO2009063350A2 (en
Inventor
Giovanni Baino
Andrea Carrer
Original Assignee
Askoll P & C S.R.L.
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
Application filed by Askoll P & C S.R.L. filed Critical Askoll P & C S.R.L.
Publication of WO2009063350A2 publication Critical patent/WO2009063350A2/en
Publication of WO2009063350A3 publication Critical patent/WO2009063350A3/en

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
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/246—Variable reluctance rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Synchronous Machinery (AREA)

Abstract

Reluctance rotor (R) with additional embedded permanent magnets (M). The magnets (M) are injection moulded into the rotor (R). Some permanent magnet material can be removed to balance the rotor (R).
PCT/IB2008/054477 2007-11-13 2008-10-29 Permanent magnet rotor for a synchronous electrical machine, particularly for a reluctance motor WO2009063350A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000809A ITTO20070809A1 (en) 2007-11-13 2007-11-13 ROLLER WITH PERMANENT MAGNETS FOR A SYNCHRONOUS ELECTRIC MACHINE, IN PARTICULAR FOR A MOTOR WITH A REPLACEMENT.
ITTO2007A000809 2007-11-13

Publications (2)

Publication Number Publication Date
WO2009063350A2 WO2009063350A2 (en) 2009-05-22
WO2009063350A3 true WO2009063350A3 (en) 2009-10-15

Family

ID=40315009

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/054477 WO2009063350A2 (en) 2007-11-13 2008-10-29 Permanent magnet rotor for a synchronous electrical machine, particularly for a reluctance motor

Country Status (2)

Country Link
IT (1) ITTO20070809A1 (en)
WO (1) WO2009063350A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2478615B1 (en) 2009-09-18 2019-09-04 BRUSA Elektronik AG Permanent magnet exited synchronous machine with embedded magnets
EP2378646A1 (en) 2010-04-15 2011-10-19 Brusa Elektronik AG Method and device for magnetising permanently excited synchronous machines and rotor for such synchronous machines
WO2011154045A1 (en) * 2010-06-11 2011-12-15 Abb Research Ltd Rotor disc for a synchronous reluctance machine
DE102010044046A1 (en) 2010-11-17 2012-05-24 Ksb Aktiengesellschaft reluctance motor
JP6237412B2 (en) * 2014-03-31 2017-11-29 ダイキン工業株式会社 Rotor structure of embedded magnet type rotating electrical machine
WO2017012766A1 (en) 2015-07-17 2017-01-26 Siemens Aktiengesellschaft Reluctance rotor having an additional inherent magnetization
CN106300735A (en) * 2016-08-31 2017-01-04 法乐第(北京)网络科技有限公司 The rotor of motor, motor and vehicle
CN106300734A (en) * 2016-08-31 2017-01-04 法乐第(北京)网络科技有限公司 The rotor of motor, motor and vehicle
DE102017200370B4 (en) * 2017-01-11 2020-10-01 Vitesco Technologies GmbH Method for fixing a permanent magnet in a magnet pocket of a rotor for an electrical machine, rotor and electrical machine
CN207021786U (en) * 2017-05-16 2018-02-16 罗伯特·博世有限公司 Rotor and synchronous magnetic resistance motor
JP6879140B2 (en) 2017-09-15 2021-06-02 トヨタ自動車株式会社 Rotating machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818140A (en) * 1995-07-11 1998-10-06 Vagati; Alfredo Synchronous reluctance electrical motor having a low torque-ripple design
US6163097A (en) * 1996-12-11 2000-12-19 Smith Technologies Development, Llc Motor generator including interconnected stators and stator laminations
US20030025415A1 (en) * 2001-08-03 2003-02-06 Haruyoshi Hino Orientation device and magnetization device
WO2007091692A1 (en) * 2006-02-08 2007-08-16 Toyota Jidosha Kabushiki Kaisha Rotor manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818140A (en) * 1995-07-11 1998-10-06 Vagati; Alfredo Synchronous reluctance electrical motor having a low torque-ripple design
US6163097A (en) * 1996-12-11 2000-12-19 Smith Technologies Development, Llc Motor generator including interconnected stators and stator laminations
US20030025415A1 (en) * 2001-08-03 2003-02-06 Haruyoshi Hino Orientation device and magnetization device
WO2007091692A1 (en) * 2006-02-08 2007-08-16 Toyota Jidosha Kabushiki Kaisha Rotor manufacturing method
EP1983636A1 (en) * 2006-02-08 2008-10-22 Toyota Jidosha Kabushiki Kaisha Rotor manufacturing method

Also Published As

Publication number Publication date
ITTO20070809A1 (en) 2009-05-14
WO2009063350A2 (en) 2009-05-22

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