JP5055886B2 - ブラシレスモータ及びディスク駆動装置 - Google Patents

ブラシレスモータ及びディスク駆動装置 Download PDF

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Publication number
JP5055886B2
JP5055886B2 JP2006213937A JP2006213937A JP5055886B2 JP 5055886 B2 JP5055886 B2 JP 5055886B2 JP 2006213937 A JP2006213937 A JP 2006213937A JP 2006213937 A JP2006213937 A JP 2006213937A JP 5055886 B2 JP5055886 B2 JP 5055886B2
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JP
Japan
Prior art keywords
shaft
rotor holder
brushless motor
disk
axial direction
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
JP2006213937A
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English (en)
Japanese (ja)
Other versions
JP2008043045A5 (enExample
JP2008043045A (ja
Inventor
仁 高木
優介 岩井
智也 内村
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.)
Nidec Corp
Original Assignee
Nidec 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
Application filed by Nidec Corp filed Critical Nidec Corp
Priority to JP2006213937A priority Critical patent/JP5055886B2/ja
Priority to US11/834,130 priority patent/US7913269B2/en
Publication of JP2008043045A publication Critical patent/JP2008043045A/ja
Publication of JP2008043045A5 publication Critical patent/JP2008043045A5/ja
Application granted granted Critical
Publication of JP5055886B2 publication Critical patent/JP5055886B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H02K7/003—Couplings; Details of shafts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • 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
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • 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
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Rotational Drive Of Disk (AREA)
  • Brushless Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2006213937A 2006-08-04 2006-08-04 ブラシレスモータ及びディスク駆動装置 Expired - Fee Related JP5055886B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006213937A JP5055886B2 (ja) 2006-08-04 2006-08-04 ブラシレスモータ及びディスク駆動装置
US11/834,130 US7913269B2 (en) 2006-08-04 2007-08-06 Motor and storage disk drive with a chucking mechanism for retaining a data storage disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006213937A JP5055886B2 (ja) 2006-08-04 2006-08-04 ブラシレスモータ及びディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2008043045A JP2008043045A (ja) 2008-02-21
JP2008043045A5 JP2008043045A5 (enExample) 2009-09-17
JP5055886B2 true JP5055886B2 (ja) 2012-10-24

Family

ID=39028463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006213937A Expired - Fee Related JP5055886B2 (ja) 2006-08-04 2006-08-04 ブラシレスモータ及びディスク駆動装置

Country Status (2)

Country Link
US (1) US7913269B2 (enExample)
JP (1) JP5055886B2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100513315B1 (ko) * 2003-04-28 2005-09-09 삼성전기주식회사 디스크 드라이브의 홀더
JP2009254044A (ja) * 2008-04-02 2009-10-29 Nippon Densan Corp モータ
KR101020798B1 (ko) * 2008-12-03 2011-03-09 엘지이노텍 주식회사 스핀들 모터
GB2467967B (en) 2009-02-24 2015-04-22 Dyson Technology Ltd Rotor assembly
KR101079366B1 (ko) * 2009-08-27 2011-11-02 삼성전기주식회사 모터 및 기록 디스크 구동장치
US8370868B2 (en) 2010-08-18 2013-02-05 Samsung Electro-Mechanics Co., Ltd. Spindle motor and disk driver having the same
GB2487921B (en) * 2011-02-08 2013-06-12 Dyson Technology Ltd Rotor for a turbomachine
JP2013020665A (ja) * 2011-07-08 2013-01-31 Panasonic Corp 光ディスク装置
JP2013025856A (ja) * 2011-07-18 2013-02-04 Samsung Electro-Mechanics Co Ltd スピンドルモータ
JP2013101735A (ja) * 2011-10-20 2013-05-23 Nippon Densan Corp モータおよびディスク駆動装置
JP5765671B2 (ja) * 2012-01-20 2015-08-19 日本電産株式会社 モータ
US8711515B2 (en) * 2012-08-31 2014-04-29 Nidec Corporation Stopper, motor, and disk drive apparatus
US8687317B1 (en) * 2012-09-25 2014-04-01 Nidec Corporation Spindle motor and disk drive apparatus
US20140091679A1 (en) * 2012-09-28 2014-04-03 Nidec Corporation Base unit, motor and disk drive apparatus
US20140175913A1 (en) * 2012-12-24 2014-06-26 Samsung Electro-Mechanics Co., Ltd Spindle motor
US9152929B2 (en) 2013-01-23 2015-10-06 Splunk Inc. Real time display of statistics and values for selected regular expressions
US8824096B1 (en) * 2013-03-29 2014-09-02 Nidec Corporation Motor including rotor hub with recessed portion and disk drive apparatus including the same
DE102015014075B4 (de) * 2015-10-30 2024-01-18 Minebea Mitsumi Inc. Spindelmotor zum Antrieb eines Lüfters
JP6272377B2 (ja) * 2016-03-23 2018-01-31 ミネベアミツミ株式会社 ディスク回転用モータおよびこれを備えたディスク駆動装置
DE102021212544A1 (de) 2021-11-08 2023-05-11 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Antriebsvorrichtung mit einem Außenläufermotor

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05109001A (ja) * 1991-10-18 1993-04-30 Matsushita Electric Ind Co Ltd デイスク再生装置のターンテーブル装置
JP2945813B2 (ja) 1993-03-03 1999-09-06 松下電器産業株式会社 モータの軸受け装置
JPH0714297A (ja) 1993-06-22 1995-01-17 Sony Corp ディスク駆動装置
JP3431727B2 (ja) * 1995-05-16 2003-07-28 東京パーツ工業株式会社 ロータホルダ一体型プーリ及びその製造方法及びそれを用いたモータ
JPH11339379A (ja) 1998-05-22 1999-12-10 Sony Corp ディスク回転駆動機構
JP2002017063A (ja) * 2000-06-29 2002-01-18 Minebea Co Ltd モータ及びその製造方法
JP4590714B2 (ja) * 2000-10-23 2010-12-01 パナソニック株式会社 ブラシレスモータ及びその製造方法
JP2002276594A (ja) 2001-03-15 2002-09-25 Sanko Gosei Ltd プロペラファン
JP2003009462A (ja) * 2001-06-22 2003-01-10 Nippon Densan Corp スピンドルモータ
US6806601B2 (en) * 2002-03-20 2004-10-19 Nidec Corporation Brushless motor and disk drive including the same
JP3828452B2 (ja) * 2002-04-18 2006-10-04 日本電産株式会社 スピンドルモータ及びこのスピンドルモータを用いたディスク駆動装置
JP2003324891A (ja) 2002-04-30 2003-11-14 Sankyo Seiki Mfg Co Ltd モータ
US6936940B2 (en) 2002-04-30 2005-08-30 Sankyo Seiki Mfg. Co., Ltd. Motor with resin base plate
JP2005033897A (ja) * 2003-07-10 2005-02-03 Mitsubishi Electric Corp 回転駆動装置
JP4596308B2 (ja) * 2004-06-08 2010-12-08 日本電産株式会社 モータ
US20050286166A1 (en) * 2004-06-24 2005-12-29 Nidec Corporation Method of Manufacturing Thrust Plate, Method of Manufacturing Shaft for Dynamic Pressure Bearing, Dynamic Pressure Bearing, Spindle Motor and Recording Disc Driving Apparatus
JP4116993B2 (ja) 2004-11-26 2008-07-09 アルパイン株式会社 ディスクドライブ装置
JP2007020241A (ja) 2005-07-05 2007-01-25 Matsushita Electric Ind Co Ltd 小型モータ
KR100888241B1 (ko) 2006-06-16 2009-03-12 엘지이노텍 주식회사 스핀들 모터

Also Published As

Publication number Publication date
US7913269B2 (en) 2011-03-22
US20080030109A1 (en) 2008-02-07
JP2008043045A (ja) 2008-02-21

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