SG70054A1 - Brushless dc motor for disc drive - Google Patents

Brushless dc motor for disc drive

Info

Publication number
SG70054A1
SG70054A1 SG1997004609A SG1997004609A SG70054A1 SG 70054 A1 SG70054 A1 SG 70054A1 SG 1997004609 A SG1997004609 A SG 1997004609A SG 1997004609 A SG1997004609 A SG 1997004609A SG 70054 A1 SG70054 A1 SG 70054A1
Authority
SG
Singapore
Prior art keywords
brushless
motor
disc drive
disc
drive
Prior art date
Application number
SG1997004609A
Other languages
English (en)
Inventor
Sung Cheon Jung
Jin Ki Min
Original Assignee
Samsung Electro Mech
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 KR1019970040125A external-priority patent/KR100266738B1/ko
Priority claimed from KR1019970040124A external-priority patent/KR100266737B1/ko
Application filed by Samsung Electro Mech filed Critical Samsung Electro Mech
Publication of SG70054A1 publication Critical patent/SG70054A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • 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
SG1997004609A 1997-08-22 1997-12-22 Brushless dc motor for disc drive SG70054A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970040125A KR100266738B1 (ko) 1997-08-22 1997-08-22 디지털 비디오디스크용 스핀들모터
KR1019970040124A KR100266737B1 (ko) 1997-08-22 1997-08-22 디지털 비디오디스크용 스핀들모터

Publications (1)

Publication Number Publication Date
SG70054A1 true SG70054A1 (en) 2000-01-25

Family

ID=26633020

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997004609A SG70054A1 (en) 1997-08-22 1997-12-22 Brushless dc motor for disc drive

Country Status (5)

Country Link
US (1) US5925949A (ja)
JP (1) JPH1173721A (ja)
CN (1) CN1070654C (ja)
DE (1) DE19757265A1 (ja)
SG (1) SG70054A1 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815028B2 (ja) * 1998-02-27 2006-08-30 松下電器産業株式会社 電動機及びそれを用いたヒートシンク装置
US6373655B1 (en) * 1998-06-04 2002-04-16 Seagate Technology, Llc Low cost hydrodynamic spindle
JP2000348318A (ja) * 1999-06-08 2000-12-15 Fujitsu Ltd 記録ディスク駆動装置
DE20012264U1 (de) * 1999-07-17 2001-03-01 Papst Motoren Gmbh & Co Kg Elektrischer Kleinmotor
JP2002247828A (ja) * 2001-02-21 2002-08-30 Canon Inc スピンドルモータ
DE10254926B4 (de) * 2002-03-08 2006-03-16 Minebea Co., Ltd. Hydrodynamisches Lager für einen Spindelmotor
US7001073B2 (en) 2002-03-08 2006-02-21 Minebea Co., Ltd. Hydrodynamic bearing for a spindle motor
JP4446727B2 (ja) * 2003-12-17 2010-04-07 Ｎｔｎ株式会社 流体軸受装置
TWI258912B (en) * 2004-03-15 2006-07-21 Delta Electronics Inc Spindle motor and stator structure thereof
JP2006053962A (ja) * 2004-08-09 2006-02-23 Matsushita Electric Ind Co Ltd スピンドルモータ、それを有するディスク駆動装置及びその製造方法
TWI259321B (en) * 2004-12-21 2006-08-01 Prodisc Technology Inc Color wheel and motor thereof
DE102005014664A1 (de) 2005-03-31 2006-10-05 Hans-Peter Wyremba Elektrische Maschine
US7679243B2 (en) * 2005-12-22 2010-03-16 Seagate Technology Llc Motor assembly with multifunctional components
JP2007244048A (ja) * 2006-03-07 2007-09-20 Nippon Densan Corp 空気動圧軸受モータ
US20070239254A1 (en) * 2006-04-07 2007-10-11 Chris Chia System for percutaneous delivery and removal of a prosthetic valve
KR100797715B1 (ko) * 2006-05-25 2008-01-23 삼성전기주식회사 스핀들모터
CN101153632B (zh) * 2006-09-27 2010-05-26 富准精密工业(深圳)有限公司 保油轴承结构与风扇马达
US20080218016A1 (en) * 2007-03-05 2008-09-11 Tek-Chain Technology Co., Ltd. Electronic motor apparatus capable of reducing friction
JP2009079658A (ja) * 2007-09-26 2009-04-16 Nippon Densan Corp 軸受装置、スピンドルモータ、ディスク駆動装置、および軸受装置の製造方法
CN101778213B (zh) * 2009-01-12 2011-06-15 华晶科技股份有限公司 高噪声环境下的自动对焦方法及其数字取像装置
JP2011172371A (ja) * 2010-02-18 2011-09-01 Nippon Densan Corp モータ、ディスク駆動装置、およびモータの製造方法
JP2012087867A (ja) 2010-10-19 2012-05-10 Alphana Technology Co Ltd 回転機器及び回転機器の製造方法
JP5711950B2 (ja) * 2010-12-06 2015-05-07 東京パーツ工業株式会社 ブラシレスモータ
US8398307B2 (en) * 2011-07-14 2013-03-19 Asia Vital Components (Shen Zhen) Co., Ltd. Bearing device
US8711515B2 (en) * 2012-08-31 2014-04-29 Nidec Corporation Stopper, motor, and disk drive apparatus
CN102953956B (zh) * 2012-11-01 2015-04-15 华中科技大学 一种无刷空心杯直线电机驱动的压缩机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216557A (en) * 1981-09-07 1993-06-01 Papst-Motoren Gmbh & Co. Kg Disk storage device having a brushless dc drive motor
DE3422743A1 (de) * 1984-06-19 1985-12-19 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Aussenlaeufermotor mit angeschraubtem motorflansch
NL8802996A (nl) * 1988-12-07 1990-07-02 Philips Nv Draaitafelsamenstel, werkwijze voor het vervaardigen van een draaitafelsamenstel, alsmede een platenspeler voorzien van een draaitafelsamenstel.
JP2861144B2 (ja) * 1989-11-16 1999-02-24 ソニー株式会社 ディスクチャッキング機構
US5264748A (en) * 1990-05-24 1993-11-23 Matsushita Electric Industrial Co., Ltd. Axial-flow fan motor
JP3384002B2 (ja) * 1992-01-24 2003-03-10 ソニー株式会社 ディスクテーブル及び記録及び／又は再生装置
JP3123283B2 (ja) * 1993-01-29 2001-01-09 松下電器産業株式会社 ディスク駆動装置
KR950020570A (ko) * 1993-12-24 1995-07-24 배순훈 미니디스크겸용 콤팩트디스크 턴테이블
JP3428161B2 (ja) * 1994-08-05 2003-07-22 松下電器産業株式会社 モータ
JPH08275447A (ja) * 1995-03-31 1996-10-18 Matsushita Electric Ind Co Ltd 動圧軸受スピンドルモータ

Also Published As

Publication number Publication date
JPH1173721A (ja) 1999-03-16
CN1070654C (zh) 2001-09-05
CN1209676A (zh) 1999-03-03
US5925949A (en) 1999-07-20
DE19757265A1 (de) 1999-02-25

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