KR910001718A - 디스크 구동장치 - Google Patents

디스크 구동장치 Download PDF

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Publication number
KR910001718A
KR910001718A KR1019900009656A KR900009656A KR910001718A KR 910001718 A KR910001718 A KR 910001718A KR 1019900009656 A KR1019900009656 A KR 1019900009656A KR 900009656 A KR900009656 A KR 900009656A KR 910001718 A KR910001718 A KR 910001718A
Authority
KR
South Korea
Prior art keywords
hub
disc
stopper
disk
shaft
Prior art date
Application number
KR1019900009656A
Other languages
English (en)
Other versions
KR930006354B1 (ko
Inventor
다까후미 아사다
마사도 모리모도
다까시 소노다
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR910001718A publication Critical patent/KR910001718A/ko
Application granted granted Critical
Publication of KR930006354B1 publication Critical patent/KR930006354B1/ko

Links

Classifications

    • 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
    • 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
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1005—Construction relative to lubrication with gas, e.g. air, as lubricant
    • F16C33/101—Details of the bearing surface, e.g. means to generate pressure such as lobes or wedges
    • F16C33/1015—Pressure generating grooves
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/102—Construction relative to lubrication with grease as lubricant
    • 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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1446—Reducing contamination, e.g. by dust, debris
    • G11B33/1473—Reducing contamination, e.g. by dust, debris of/from bearings
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)

Abstract

내용 없음

Description

디스크 구동장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명기체 베어링장치의 일실시예의 단면도
제2도는 제1도의 레이디얼기체 베어링의 동압발생홈의 패턴도
제3도는 제1도의 동압발생홈 패턴도의 변형응용예의 도면

Claims (2)

  1. 새시에 일반부가 장착된 고정축과 이 고정축의 바깥둘레에 회전자재하게 장착되고, 디스크를 바깥둘레에 삽입된 허브와 상기 고정축의 타단부에 고정된 상기 허브의 오목부에 걸어맞는 스토퍼와 상기 허브의 끝부분에 장착된 상기 허브에 삽입된 디스크를 고정하는 디스크고정판과, 상기 디스크고정판과 상기 축끝면 또는, 스토퍼 끝면의 어느 한쪽과의 사이에 요동자재하게 드러스트베어링을 구성하고, 상기축과 허브의 어느 한쪽에 헤링보운형, 또는 헬리컬형의 동압발생홈을 형성한 것을 특징으로 하는 디스크 구동 장치.
  2. 제1항에 있어서, 상기 디스크고정판에 흡기구멍과 이것을 덮는 필터를 가지고, 상기 레이디얼기체 베어링의 동압발생홈은 기체를 스토퍼쪽으로부터, 새시쪽으로 압송하도록 형성해서 이루어진 것을 특징으로 하는 디스크 구동 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900009656A 1989-06-30 1990-06-28 디스크 구동장치 KR930006354B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1170150A JPH0335469A (ja) 1989-06-30 1989-06-30 ディスク駆動装置
JP1-170150 1989-06-30

Publications (2)

Publication Number Publication Date
KR910001718A true KR910001718A (ko) 1991-01-31
KR930006354B1 KR930006354B1 (ko) 1993-07-14

Family

ID=15899606

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900009656A KR930006354B1 (ko) 1989-06-30 1990-06-28 디스크 구동장치

Country Status (3)

Country Link
US (1) US5112141A (ko)
JP (1) JPH0335469A (ko)
KR (1) KR930006354B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100480633B1 (ko) * 2002-11-19 2005-03-31 삼성전자주식회사 하드디스크 드라이브의 스핀들모터

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US5328270A (en) * 1993-03-25 1994-07-12 International Business Machines Corporation Hydrodynamic pump
JPH0833266A (ja) * 1994-07-15 1996-02-02 Toshiba Corp 動圧軸受形モータ及びポリゴンミラー駆動用スキャナモータ
US5558445A (en) * 1994-07-22 1996-09-24 Quantum Corporation Self-contained hydrodynamic bearing unit and seals
US5558443A (en) * 1994-07-22 1996-09-24 Quantum Corporation Shaft seal for hydrodynamic bearing unit
US5407281A (en) 1994-07-22 1995-04-18 Quantum Corp. Self-replenishing hydrodynamic bearing
US5568981A (en) * 1994-08-19 1996-10-29 Read-Rite Corporation Negative pressure air bearing slider
US5423612A (en) * 1994-09-16 1995-06-13 Quantum Corp. Hydrodynamic bearing and seal
US5590003A (en) * 1995-03-08 1996-12-31 Seagate Technology, Inc. Hydrodynamic spindle motor having distributed windings
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
US6108909A (en) * 1996-07-02 2000-08-29 Sae Magnetics (H.K.) Ltd. Groove forming processes for shaft outer diameter
US5927859A (en) * 1997-06-16 1999-07-27 Delta Electronics, Inc. Sleeve bearing structure
US5901013A (en) * 1997-08-11 1999-05-04 International Business Machines Corporation Fluid spindle bearing vent
US5957589A (en) * 1997-12-10 1999-09-28 International Business Machine Corporation Fluid bearing seal and support structure
WO2000004298A1 (en) * 1998-07-17 2000-01-27 Koninklijke Philips Electronics N.V. Dynamic groove bearing comprising a porous lubricant reservoir
JP2000120691A (ja) * 1998-10-16 2000-04-25 Matsushita Electric Ind Co Ltd 流体軸受けスピンドルモータ装置
US6250808B1 (en) 1998-11-20 2001-06-26 Nidec Corporation Motor having a plurality of dynamic pressure bearings
US6071014A (en) * 1998-12-30 2000-06-06 International Business Machines Corporation Spindle motor with hybrid air/oil hydrodynamic bearing
JP2002364637A (ja) * 2001-06-07 2002-12-18 Matsushita Electric Ind Co Ltd 動圧気体軸受装置
US6982510B1 (en) 2001-12-20 2006-01-03 Seagate Technology Llc Low profile fluid dynamic bearing
US6799891B2 (en) * 2002-02-22 2004-10-05 Matsushita Electric Industrial Co., Ltd. Motor device
US20030185472A1 (en) * 2002-03-13 2003-10-02 Aiello Anthony Joseph Single thrust bearing fluid dynamic bearing motor
DE202004003695U1 (de) * 2004-03-12 2005-01-05 Minebea Co., Ltd., Kitasaku Hydrodynamisches Lagersystem zur Drehlagerung eines Spindelmotors
US7241050B2 (en) * 2004-07-29 2007-07-10 Matsushita Electric Industrial Co., Ltd. Hydrodynamic bearing device
US7956499B2 (en) * 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
US7619339B2 (en) * 2006-01-10 2009-11-17 Hitachi Global Storage Technologies Netherlands B.V. Fluid dynamic bearing assembly for directing bubbles
US7605835B2 (en) * 2006-02-28 2009-10-20 Virgin Islands Microsystems, Inc. Electro-photographic devices incorporating ultra-small resonant structures
CN103379483B (zh) 2012-04-16 2017-06-06 中兴通讯股份有限公司 一种移动终端信息安全管理的方法、装置和移动终端
JP2020054117A (ja) * 2018-09-27 2020-04-02 日本電産株式会社 モータ及びディスク駆動装置

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GB1524662A (en) * 1977-03-24 1978-09-13 Univ Southampton Agnetic disc stores
JPS6026676B2 (ja) * 1981-06-10 1985-06-25 不二空機株式会社 気動トルクレンチの締付制御装置
JPS5850318A (ja) * 1981-09-18 1983-03-24 Matsushita Electric Ind Co Ltd 軸受装置
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JPS6085481A (ja) * 1983-10-16 1985-05-14 Hitachi Ltd 磁気デイスク記憶装置
JPS60159417A (ja) * 1984-01-31 1985-08-20 Matsushita Electric Ind Co Ltd 流体軸受装置
JPS6018615A (ja) * 1984-05-22 1985-01-30 Matsushita Electric Ind Co Ltd 動圧型流体軸受装置
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JP2506836B2 (ja) * 1987-11-02 1996-06-12 松下電器産業株式会社 動圧型流体軸受装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100480633B1 (ko) * 2002-11-19 2005-03-31 삼성전자주식회사 하드디스크 드라이브의 스핀들모터

Also Published As

Publication number Publication date
US5112141A (en) 1992-05-12
KR930006354B1 (ko) 1993-07-14
JPH0335469A (ja) 1991-02-15

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A201 Request for examination
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