HK1009889A1 - Brushless dc motor and method for driving the same. - Google Patents

Brushless dc motor and method for driving the same.

Info

Publication number
HK1009889A1
HK1009889A1 HK98110659A HK98110659A HK1009889A1 HK 1009889 A1 HK1009889 A1 HK 1009889A1 HK 98110659 A HK98110659 A HK 98110659A HK 98110659 A HK98110659 A HK 98110659A HK 1009889 A1 HK1009889 A1 HK 1009889A1
Authority
HK
Hong Kong
Prior art keywords
brushless
driving
motor
same
Prior art date
Application number
HK98110659A
Other languages
English (en)
Inventor
Kinya Matsuzawa
Hiroshi Miyazawa
Norio Ito
Original Assignee
Seiko Epson Corp
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 JP21515892A external-priority patent/JPH06303750A/ja
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of HK1009889A1 publication Critical patent/HK1009889A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/20—Arrangements for starting
    • 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
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • 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
    • H02K1/14—Stator cores with salient poles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Brushless Motors (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
HK98110659A 1992-08-12 1998-09-16 Brushless dc motor and method for driving the same. HK1009889A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21515892A JPH06303750A (ja) 1992-08-12 1992-08-12 ブラシレスｄｃモータおよびその回転駆動方法
JP34886592 1992-12-28

Publications (1)

Publication Number Publication Date
HK1009889A1 true HK1009889A1 (en) 1999-06-11

Family

ID=26520712

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98110659A HK1009889A1 (en) 1992-08-12 1998-09-16 Brushless dc motor and method for driving the same.
HK98110767A HK1010020A1 (en) 1992-08-12 1998-09-21 Method of driving a brushless dc motor

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK98110767A HK1010020A1 (en) 1992-08-12 1998-09-21 Method of driving a brushless dc motor

Country Status (8)

Country Link
US (2) US5679997A (me)
EP (2) EP0655823B1 (me)
JP (1) JP3383976B2 (me)
CN (1) CN1033679C (me)
DE (2) DE69333643T2 (me)
HK (2) HK1009889A1 (me)
TW (1) TW226498B (me)
WO (1) WO1994005074A1 (me)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3340607B2 (ja) * 1995-11-28 2002-11-05 松下電器産業株式会社 ブラシレスモータ
JP3460912B2 (ja) * 1996-10-18 2003-10-27 ミネベア株式会社 モータ構造
JP3458344B2 (ja) * 1997-02-03 2003-10-20 ミネベア株式会社 モータ構造
US5917262A (en) * 1997-06-17 1999-06-29 Industrial Technology Research Institute Stator structure for miniaturized DC brushless motor
GB2329763B (en) * 1997-09-29 2001-06-06 Sunonwealth Electr Mach Ind Co Brushless motors with reduced vibrations
US6104113A (en) * 1998-05-14 2000-08-15 General Electric Company Coil assembly for sensorless rotor angular position control of single phase permanent magnet motor
JP3688898B2 (ja) * 1998-08-21 2005-08-31 株式会社東芝 電動機のロータ
US5959377A (en) * 1998-10-27 1999-09-28 Sunonwealth Electric Machine Industry Co., Ltd. Miniature DC brushless motor having radial air gap and single coil with axial winding
US6050785A (en) * 1998-11-04 2000-04-18 Sunonwealth Electric Machine Industry Co., Ltd. Axle balance plates for miniature heat dissipating fan assemblies
TW434980B (en) * 1999-03-16 2001-05-16 Sunonwealth Electr Mach Ind Co Brushless DC motor and its stator
US6326750B1 (en) * 1999-06-17 2001-12-04 Emerson Electric Co. Active reduction of torque irregularities in rotating machines
US6731025B2 (en) * 2000-04-12 2004-05-04 Kaba-Mas Corporation Motor with linear and rotary motion
US6498412B2 (en) * 2001-01-26 2002-12-24 Sunonwealth Electric Machine Industry Co., Ltd. Fixing structure for a rotor of a brushless motor
US6727626B2 (en) * 2002-04-17 2004-04-27 Sunonwealth Electric Machine Industry Co., Ltd. Balancing plate for a motor
TW534241U (en) * 2002-07-10 2003-05-21 Sunonwealth Electr Mach Ind Co Dustproof bearing structure
JP3711102B2 (ja) * 2002-10-30 2005-10-26 三洋電機株式会社 単相モータ駆動装置、単相モータ駆動方法、および集積回路
GB2401996A (en) * 2003-04-04 2004-11-24 Sunonwealth Electr Mach Ind Co Stator construction for a reduced thickness brushless DC motor
JP4478537B2 (ja) * 2004-09-03 2010-06-09 日本ビクター株式会社 ブラシレスモータ
JP3942184B2 (ja) * 2004-09-03 2007-07-11 ミネベア・松下モータ株式会社 振動モータおよびそれを用いた携帯端末機器
US7246029B2 (en) * 2004-09-09 2007-07-17 F;Visteon Global Technologies, Inc. Electric machine with actively controlled switches
JP4434045B2 (ja) * 2005-03-14 2010-03-17 株式会社日立製作所 回転電機及び風力発電システム
TWI279060B (en) * 2005-04-18 2007-04-11 Sunonwealth Electr Mach Ind Co Rotor balance structure for motor
TWI279061B (en) * 2005-04-18 2007-04-11 Sunonwealth Electr Mach Ind Co Rotor balance structure for motor
TWI329403B (en) * 2005-04-19 2010-08-21 Sunonwealth Electr Mach Ind Co Rotor balance structure for motor
JP4163701B2 (ja) * 2005-05-27 2008-10-08 ミネベアモータ株式会社 振動発生用ステッピングモータ
JP4252988B2 (ja) * 2005-11-18 2009-04-08 ミネベアモータ株式会社 振動発生用ステッピングモータ
KR100906720B1 (ko) * 2006-06-13 2009-07-07 엘지이노텍 주식회사 스핀들 모터
CN101901661B (zh) * 2009-05-26 2011-12-21 浙江三花股份有限公司 一种电磁线圈装置
CN102624185A (zh) * 2011-01-28 2012-08-01 比亚迪股份有限公司 一种直流无刷电机
GB2491880B (en) * 2011-06-16 2015-04-01 Imra Europe Sas Claw pole stator
JPWO2013073263A1 (ja) * 2011-11-14 2015-04-02 株式会社安川電機 モータおよびモータシステム
JPWO2013073264A1 (ja) * 2011-11-14 2015-04-02 株式会社安川電機 モータおよびモータシステム
CN102420513A (zh) * 2011-12-21 2012-04-18 江门市胜思特电器有限公司 一种爪极式永磁同步电动机
US9800102B2 (en) * 2013-03-06 2017-10-24 Asmo Co., Ltd. Dual rotor core motor with reduced flux leakage
WO2019055937A1 (en) 2017-09-15 2019-03-21 University Of Utah Research Foundation SQUEEGEE TORQUE ACTUATOR
CN113765271A (zh) * 2021-08-24 2021-12-07 深圳拓邦股份有限公司 定子座、定子组件、电机及定子座的加工方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857053A (en) * 1973-04-09 1974-12-24 Controls Co Of America Synchronous motor stator pole arrangement
US4004168A (en) * 1974-08-08 1977-01-18 Tri-Tech, Inc. Electric rotating machine
US4591774A (en) * 1981-05-21 1986-05-27 Dataproducts Corporation High performance incremental motion system using a closed loop stepping motor
US4656381A (en) * 1984-04-25 1987-04-07 Fumito Komatsu Magnetic pole structure having aternate poles extending from a point of bases, for a rotary electric machine
JPS61214759A (ja) * 1985-03-18 1986-09-24 Matsushita Electric Works Ltd 外転型無刷子電動機
JPS61214760A (ja) * 1985-03-18 1986-09-24 Matsushita Electric Works Ltd 無刷子電動機
IE851629L (en) * 1985-06-28 1986-12-28 Kollmorgen Ireland Ltd Electrical drive systems
JPS63144788A (ja) * 1986-12-09 1988-06-16 Canon Inc モ−タ駆動回路
US5506458A (en) * 1994-03-04 1996-04-09 Quantum Corporation Low cost permanent magnet disk spindle motor

Also Published As

Publication number Publication date
EP0841739B1 (en) 2004-09-29
JP3383976B2 (ja) 2003-03-10
EP0841739A1 (en) 1998-05-13
TW226498B (me) 1994-07-11
DE69333643D1 (de) 2004-11-04
US5903074A (en) 1999-05-11
DE69323314T2 (de) 1999-06-17
EP0655823A1 (en) 1995-05-31
CN1083279A (zh) 1994-03-02
WO1994005074A1 (en) 1994-03-03
DE69333643T2 (de) 2005-10-13
EP0655823A4 (en) 1996-10-23
CN1033679C (zh) 1996-12-25
DE69323314D1 (de) 1999-03-11
US5679997A (en) 1997-10-21
HK1010020A1 (en) 1999-09-17
EP0655823B1 (en) 1999-01-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120721