KR960006681B1 - 전기 모터 및 이와 같은 모터를 가진 디스크 구동 장치 - Google Patents

전기 모터 및 이와 같은 모터를 가진 디스크 구동 장치 Download PDF

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Publication number
KR960006681B1
KR960006681B1 KR1019920004414A KR920004414A KR960006681B1 KR 960006681 B1 KR960006681 B1 KR 960006681B1 KR 1019920004414 A KR1019920004414 A KR 1019920004414A KR 920004414 A KR920004414 A KR 920004414A KR 960006681 B1 KR960006681 B1 KR 960006681B1
Authority
KR
South Korea
Prior art keywords
rotor
yoke
disk
head
motor
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.)
Expired - Fee Related
Application number
KR1019920004414A
Other languages
English (en)
Korean (ko)
Other versions
KR920018700A (ko
Inventor
후미오 타지마
히로시 가나자와
히로시 가따야마
가즈오 오니시
타다시 타까하시
노부요시 무또
시게끼 모리나가
노부요시 쯔보이
히데끼 니헤이
Original Assignee
가부시끼가이샤 히다찌 세이사꾸쇼
가나이 쯔도무
닛본 서보 가부시끼가이샤
우에즈마 오끼
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 JP3054336A external-priority patent/JPH05189932A/ja
Priority claimed from JP3104115A external-priority patent/JP2810250B2/ja
Application filed by 가부시끼가이샤 히다찌 세이사꾸쇼, 가나이 쯔도무, 닛본 서보 가부시끼가이샤, 우에즈마 오끼 filed Critical 가부시끼가이샤 히다찌 세이사꾸쇼
Publication of KR920018700A publication Critical patent/KR920018700A/ko
Application granted granted Critical
Publication of KR960006681B1 publication Critical patent/KR960006681B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • 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
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/15—Sectional machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
KR1019920004414A 1991-03-19 1992-03-18 전기 모터 및 이와 같은 모터를 가진 디스크 구동 장치 Expired - Fee Related KR960006681B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP91-054336 1991-03-19
JP91-54336 1991-03-19
JP3054336A JPH05189932A (ja) 1991-03-19 1991-03-19 ディスク装置およびブラシレスモータ
JP3104115A JP2810250B2 (ja) 1991-05-09 1991-05-09 ディスク駆動装置
JP91-104115 1991-05-09

Publications (2)

Publication Number Publication Date
KR920018700A KR920018700A (ko) 1992-10-22
KR960006681B1 true KR960006681B1 (ko) 1996-05-22

Family

ID=26395088

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920004414A Expired - Fee Related KR960006681B1 (ko) 1991-03-19 1992-03-18 전기 모터 및 이와 같은 모터를 가진 디스크 구동 장치

Country Status (5)

Country Link
US (1) US5432644A (enExample)
EP (1) EP0509635B1 (enExample)
KR (1) KR960006681B1 (enExample)
DE (1) DE69216459T2 (enExample)
TW (1) TW212240B (enExample)

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* Cited by examiner, † Cited by third party
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MY109288A (en) * 1990-06-01 1996-12-31 Mitsubishi Electric Corp Electric motor
GB2276771B (en) * 1990-06-01 1994-12-14 Mitsubishi Electric Corp Electric motor
US5488523A (en) * 1992-05-06 1996-01-30 Maxtor Corporation Ultra-slim disk storage unit having a hydrodynamic bearing assembly which forms a stable meniscus
DE69324603T2 (de) * 1993-11-30 1999-09-16 Citizen Watch Co., Ltd. Mikromotor
DE19522382C1 (de) * 1995-06-23 1996-12-19 Voith Gmbh J M Transversalflußmaschine zum Einsatz in einem Direktantrieb für Fahrzeuge, insbesondere Bahnantrieb
JP3512599B2 (ja) * 1997-07-08 2004-03-29 ミネベア株式会社 モータ構造
US6921999B1 (en) * 1999-01-21 2005-07-26 Stridsberg Innovation Ab Electric motor
US6522498B1 (en) 1999-11-22 2003-02-18 Seagate Technology Llc Magnetic shield for flux leakage reduction from spindle motor
EP1221757A1 (en) * 2001-01-09 2002-07-10 Alps Electric Co., Ltd. Thin interior rotor motor for driving a recording medium and disk apparatus using the same
JP2002252953A (ja) * 2001-02-23 2002-09-06 Alps Electric Co Ltd インナーロータモータおよびディスク装置
JP2003061304A (ja) * 2001-08-10 2003-02-28 Alps Electric Co Ltd ディスク装置
JP2003070219A (ja) * 2001-08-24 2003-03-07 Alps Electric Co Ltd モータ及びディスク装置
EP2043227B1 (en) * 2002-08-16 2012-07-11 Yamaha Hatsudoki Kabushiki Kaisha Axial gap type motor generator
DE10355267A1 (de) * 2003-11-26 2005-06-30 Siemens Ag Elektrische Maschine
JP2007124733A (ja) * 2005-10-25 2007-05-17 Matsushita Electric Ind Co Ltd スピンドルモータ
JP2007305199A (ja) * 2006-05-09 2007-11-22 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
GB0618729D0 (en) * 2006-09-22 2006-11-01 Hobby Roger B Flux impulse motor
US8023227B2 (en) * 2007-02-23 2011-09-20 Samsung Electronics Co., Ltd. Perpendicular recording head with a grooved yoke
EP1983637A1 (en) * 2007-04-17 2008-10-22 Delphi Taiwan Ltd. Three-Phase DC Motor
FR2919441B1 (fr) * 2007-07-24 2010-01-29 Moving Magnet Tech Mmt Moto-reducteur comportant un moteur electrique polyphase compact
JP2010288426A (ja) * 2009-06-15 2010-12-24 Tamron Co Ltd 三相直流モータ
US10427277B2 (en) 2011-04-05 2019-10-01 Ingersoll-Rand Company Impact wrench having dynamically tuned drive components and method thereof
US9566692B2 (en) * 2011-04-05 2017-02-14 Ingersoll-Rand Company Rotary impact device
GB2491194A (en) * 2011-05-27 2012-11-28 Norbar Torque Tools Torque tool with synchronous reluctance motor
JP5976421B2 (ja) * 2012-06-27 2016-08-23 株式会社東芝 磁極極性判定装置、永久磁石同期電動機制御装置及び磁極極性判定方法
KR101320212B1 (ko) * 2012-08-17 2013-10-21 삼성전기주식회사 스핀들 모터 및 디스크 구동장치
TWI505604B (zh) * 2013-04-15 2015-10-21 Delta Electronics Inc 動力裝置
GB2518689B (en) * 2013-09-30 2017-04-12 Jaguar Land Rover Ltd Electric machine
DE102014223544A1 (de) * 2014-11-18 2016-05-19 Sauer Gmbh Spindelvorrichtung und Werkzeugmaschine mit Spindelvorrichtung
DE102019206081B3 (de) * 2019-04-29 2020-07-09 Zf Friedrichshafen Ag Lüfter für ein Steuergerät für ein Fahrzeug und Steuergerät mit einem Lüfter
FR3096195B1 (fr) * 2019-05-17 2021-05-14 Moving Magnet Tech Motoréducteur faible bruit à Moteur électrique dissymétrique

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430712A (en) * 1917-02-03 1922-10-03 Westinghouse Electric & Mfg Co Dynamo-electric machine
US2463331A (en) * 1948-02-05 1949-03-01 Gen Electric Dynamoelectric machine member
GB921823A (en) * 1960-12-05 1963-03-27 Gen Electric Co Ltd Improvements in or relating to a.c. electric motors and refrigerator compressorunits including a.c. electric motors
DE2809973A1 (de) * 1978-03-08 1979-09-13 Baensch Tetra Werke Aquarienumwaelzpumpenaggregat
US4359763A (en) * 1979-03-12 1982-11-16 Exxon Research And Engineering Co. Floppy disc drive
US4581667A (en) * 1982-04-19 1986-04-08 Minnesota Mining And Manufacturing Company Magnetic hold-down for recording disc
US4620301A (en) * 1982-12-20 1986-10-28 Ricoh Company, Ltd. Recording disk drive unit
US4600864A (en) * 1984-02-01 1986-07-15 Sanyo Electric Co., Ltd. Easily restarted brushless DC motor
US4786836A (en) * 1984-03-01 1988-11-22 Matsushita Electric Industrail Co., Ltd. Piezoelectric motor
IE851629L (en) * 1985-06-28 1986-12-28 Kollmorgen Ireland Ltd Electrical drive systems
US4873596A (en) * 1986-10-27 1989-10-10 Matsushita Electric Industrial Co., Ltd. Magnetic disk drive apparatus
JPS63187580U (enExample) * 1987-05-22 1988-12-01
DE3818994A1 (de) * 1987-06-02 1988-12-22 Papst Motoren Gmbh & Co Kg Plattenspeicherantrieb
US4864177A (en) * 1987-12-16 1989-09-05 Yang Tai Her Stator lamination design for two-pole single-phase induction motor
US5140210A (en) * 1988-07-07 1992-08-18 Mitsubishi Denki K.K. Permanent-magnet type dynamoelectric machine rotor
US5063318A (en) * 1989-08-25 1991-11-05 Sundstrand Corporation Preloaded permanent magnet rotor assembly
DE4117801C2 (de) * 1990-06-01 1994-03-17 Mitsubishi Electric Corp Elektromotor

Also Published As

Publication number Publication date
DE69216459D1 (de) 1997-02-20
EP0509635B1 (en) 1997-01-08
EP0509635A2 (en) 1992-10-21
TW212240B (enExample) 1993-09-01
KR920018700A (ko) 1992-10-22
US5432644A (en) 1995-07-11
EP0509635A3 (en) 1993-09-22
DE69216459T2 (de) 1997-07-31

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