DK1848096T3 - Elektrisk maskine med formindsket rykvis gang (cogging) - Google Patents

Elektrisk maskine med formindsket rykvis gang (cogging)

Info

Publication number
DK1848096T3
DK1848096T3 DK07007689.8T DK07007689T DK1848096T3 DK 1848096 T3 DK1848096 T3 DK 1848096T3 DK 07007689 T DK07007689 T DK 07007689T DK 1848096 T3 DK1848096 T3 DK 1848096T3
Authority
DK
Denmark
Prior art keywords
magnet
magnet poles
reference position
pole
poles
Prior art date
Application number
DK07007689.8T
Other languages
English (en)
Inventor
Paul Eaton Clark
Original Assignee
Converteam Uk 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
Application filed by Converteam Uk Ltd filed Critical Converteam Uk Ltd
Application granted granted Critical
Publication of DK1848096T3 publication Critical patent/DK1848096T3/da

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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
    • 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
    • H02K1/27—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
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator
    • 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
    • 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
    • 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
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Synchronous Machinery (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DK07007689.8T 2006-04-18 2007-04-16 Elektrisk maskine med formindsket rykvis gang (cogging) DK1848096T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0607545.1A GB0607545D0 (en) 2006-04-18 2006-04-18 Electrical machine with reduced cogging

Publications (1)

Publication Number Publication Date
DK1848096T3 true DK1848096T3 (da) 2011-09-26

Family

ID=36571858

Family Applications (1)

Application Number Title Priority Date Filing Date
DK07007689.8T DK1848096T3 (da) 2006-04-18 2007-04-16 Elektrisk maskine med formindsket rykvis gang (cogging)

Country Status (9)

Country Link
US (1) US7714473B2 (da)
EP (1) EP1848096B1 (da)
CN (1) CN101060269B (da)
AT (1) ATE515826T1 (da)
CA (1) CA2584925C (da)
DK (1) DK1848096T3 (da)
ES (1) ES2368348T3 (da)
GB (2) GB0607545D0 (da)
NO (1) NO337148B1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8288909B2 (en) * 2006-04-18 2012-10-16 Converteam Uk Ltd Electrical machines with reduced cogging
NO328284B1 (no) 2008-03-26 2010-01-25 Nat Oilwell Norway As Fremgangsmate for a redusere forskyvningsmomenteffekter i en elektrisk permanentmagnet maskin
WO2011115634A1 (en) * 2010-03-15 2011-09-22 Motor Excellence Llc Transverse and/or commutated flux systems having phase offset
FI20105661L (fi) * 2010-06-10 2011-12-11 Kone Corp Nostokoneiston kiinnitysjärjestely sekä hissikokoonpano
CN103124126B (zh) * 2013-03-22 2016-01-20 哈尔滨工业大学 减小齿槽效应的无轴系外转子永磁同步电动机
CN109638991A (zh) * 2018-11-30 2019-04-16 南通大学 高压永磁同步电动机定子冲片及绕线定子和电动机
US11171553B2 (en) * 2019-07-22 2021-11-09 Honeywell International Inc. High detent torque permanent magnet stepper motor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS633638A (ja) * 1986-06-23 1988-01-08 Tamagawa Seiki Co Ltd ブラシレス直流モ−タ
US4933584A (en) * 1988-12-22 1990-06-12 General Electric Company Electronically commutated motor having skewed magnetics
JPH07194079A (ja) 1993-12-27 1995-07-28 Matsushita Electric Ind Co Ltd 永久磁石直流モータ
JPH07336976A (ja) * 1994-06-10 1995-12-22 Fanuc Ltd 永久磁石界磁同期電動機
TW380329B (en) * 1997-04-16 2000-01-21 Japan Servo Permanent-magnet revolving electrodynamic machine with a concentrated winding stator
DE69926561T2 (de) * 1998-03-27 2006-06-08 Isa Innovations Sa Elektromotor
US7245054B1 (en) * 2000-11-01 2007-07-17 Emerson Electric Co. Permanent magnet electric machine having reduced cogging torque
JP3995450B2 (ja) 2000-12-20 2007-10-24 ヤマハモーターエレクトロニクス株式会社 永久磁石型回転電機
EP1217713B1 (en) * 2000-12-20 2010-02-10 Yamaha Motor Electronics Kabushiki Kaisha Permanent magnet type rotor and permanent magnet type rotary electrical machine
JP2003009440A (ja) * 2001-06-20 2003-01-10 Aichi Emerson Electric Co Ltd ブラシレスｄｃモータ
JP4240949B2 (ja) * 2002-08-09 2009-03-18 日立アプライアンス株式会社 永久磁石式回転電機の回転子
US7067948B2 (en) * 2002-10-18 2006-06-27 Mitsubishi Denki Kabushiki Kaisha Permanent-magnet rotating machine
DE10303848A1 (de) * 2003-01-30 2004-08-19 Rexroth Indramat Gmbh Drehstrommaschine mit optimierten Laufeigenschaften
JP4089527B2 (ja) * 2003-06-27 2008-05-28 三菱電機株式会社 永久磁石式回転電機

Also Published As

Publication number Publication date
EP1848096A3 (en) 2009-07-29
US7714473B2 (en) 2010-05-11
EP1848096A2 (en) 2007-10-24
GB0707221D0 (en) 2007-05-23
ATE515826T1 (de) 2011-07-15
NO337148B1 (no) 2016-02-01
CA2584925C (en) 2015-11-10
GB0607545D0 (en) 2006-05-24
EP1848096B1 (en) 2011-07-06
CN101060269B (zh) 2012-07-04
ES2368348T3 (es) 2011-11-16
US20070252466A1 (en) 2007-11-01
GB2437394A (en) 2007-10-24
CA2584925A1 (en) 2007-10-18
NO20071989L (no) 2007-10-19
CN101060269A (zh) 2007-10-24

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