SG109509A1 - Dynamic pressure bearing devices and method for manufacturing the same - Google Patents

Dynamic pressure bearing devices and method for manufacturing the same

Info

Publication number
SG109509A1
SG109509A1 SG200207100A SG200207100A SG109509A1 SG 109509 A1 SG109509 A1 SG 109509A1 SG 200207100 A SG200207100 A SG 200207100A SG 200207100 A SG200207100 A SG 200207100A SG 109509 A1 SG109509 A1 SG 109509A1
Authority
SG
Singapore
Prior art keywords
dynamic pressure
pressure bearing
bearing member
manufacturing
same
Prior art date
Application number
SG200207100A
Other languages
English (en)
Original Assignee
Sankyo Seiki Seisakusho Kk
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 Sankyo Seiki Seisakusho Kk filed Critical Sankyo Seiki Seisakusho Kk
Publication of SG109509A1 publication Critical patent/SG109509A1/en

Links

Classifications

    • 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
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • 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
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • 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
    • G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
    • 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)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Of Bearings (AREA)
SG200207100A 2001-11-26 2002-11-26 Dynamic pressure bearing devices and method for manufacturing the same SG109509A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001359880A JP3984462B2 (ja) 2001-11-26 2001-11-26 動圧軸受装置

Publications (1)

Publication Number Publication Date
SG109509A1 true SG109509A1 (en) 2005-03-30

Family

ID=19170797

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200207100A SG109509A1 (en) 2001-11-26 2002-11-26 Dynamic pressure bearing devices and method for manufacturing the same

Country Status (4)

Country Link
US (1) US6817766B2 (ja)
JP (1) JP3984462B2 (ja)
CN (1) CN100439732C (ja)
SG (1) SG109509A1 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7134792B2 (en) * 2002-11-05 2006-11-14 Seagate Technology Llc Single thrust-journal bearing cup fluid dynamic bearing motor
JP4084843B2 (ja) 2003-06-12 2008-04-30 日本電産株式会社 動圧軸受装置およびその製造方法
JP2005036974A (ja) * 2003-07-02 2005-02-10 Nippon Densan Corp 流体動圧軸受の製造方法
JP4566565B2 (ja) * 2004-01-14 2010-10-20 Ｎｔｎ株式会社 動圧軸受装置
US7182106B2 (en) * 2004-02-23 2007-02-27 Nidec Corporation Fluid dispensation method
US7650697B2 (en) 2004-06-01 2010-01-26 Nidec Corporation Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing
JP2006118531A (ja) * 2004-10-19 2006-05-11 Nippon Densan Corp 動圧軸受装置及びそれを用いたモータ並びにディスク駆動装置
DE102007032673A1 (de) * 2006-10-30 2008-05-08 Minebea Co., Ltd., Miyota Fluiddynamisches Lagersystem und Spindelmotor mit einem solchen Lagersystem
DE102007001963B4 (de) * 2007-01-13 2021-04-22 Schaeffler Technologies AG & Co. KG Wälzlager mit einer Vorrichtung zur Ableitung einer Flüssigkeit
JP2008190620A (ja) * 2007-02-05 2008-08-21 Ntn Corp 流体軸受装置
JP2009201309A (ja) 2008-02-25 2009-09-03 Nippon Densan Corp モータおよび記録ディスク駆動装置
US8370868B2 (en) * 2010-08-18 2013-02-05 Samsung Electro-Mechanics Co., Ltd. Spindle motor and disk driver having the same
JP2012087861A (ja) 2010-10-19 2012-05-10 Nippon Densan Corp 流体動圧軸受機構、スピンドルモータ、およびディスク駆動装置
KR20130027218A (ko) * 2011-09-07 2013-03-15 삼성전기주식회사 스핀들 모터
JP2013204784A (ja) * 2012-03-29 2013-10-07 Nippon Densan Corp 軸受装置および送風ファン
JP6221035B2 (ja) * 2013-07-05 2017-11-01 日本電産株式会社 軸受機構、モータおよび送風ファン
JP7201690B2 (ja) 2018-08-01 2023-01-10 イーグル工業株式会社 摺動部品
US11821462B2 (en) 2018-08-24 2023-11-21 Eagle Industry Co., Ltd. Sliding member
JP7292811B2 (ja) 2018-11-30 2023-06-19 イーグル工業株式会社 摺動部品
EP4206500A1 (en) 2018-12-21 2023-07-05 Eagle Industry Co., Ltd. Sliding component
EP3922871B1 (en) * 2019-02-04 2024-01-24 Eagle Industry Co., Ltd. Sliding component
KR102639196B1 (ko) 2019-02-14 2024-02-21 이구루코교 가부시기가이샤 슬라이딩 부품
KR102664813B1 (ko) 2019-02-21 2024-05-10 이구루코교 가부시기가이샤 슬라이딩 부품
CN113508238B (zh) * 2019-03-22 2023-07-25 伊格尔工业股份有限公司 滑动部件
EP4345343A3 (en) 2019-07-26 2024-06-19 Eagle Industry Co., Ltd. Sliding component
CN112577315B (zh) * 2020-12-28 2024-07-09 中冶焦耐(大连)工程技术有限公司 一种回转窑托轮轴承组用密封圈及使用方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000197309A (ja) * 1998-08-08 2000-07-14 Nippon Densan Corp 流体動圧軸受を備えたモ―タ及びこのモ―タを備えた記録ディスク駆動装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3395524B2 (ja) * 1996-06-10 2003-04-14 松下電器産業株式会社 縦型流体軸受装置
JPH10225052A (ja) * 1997-02-07 1998-08-21 Sankyo Seiki Mfg Co Ltd 動圧軸受装置を備えたモータ
SG92616A1 (en) * 1997-09-12 2002-11-19 Matsushita Electric Ind Co Ltd Spindle device having a dynamic-pressure-fluid bearing
US6456458B1 (en) * 1998-08-08 2002-09-24 Nidec Corporation Disk-drive motor rotating on a magnetically counterbalanced single hydrodynamic thrust bearing
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
JP2001027225A (ja) * 1999-07-12 2001-01-30 Seiko Instruments Inc 樹脂製流体動圧軸受及びスピンドルモータ
JP4693948B2 (ja) * 1999-08-26 2011-06-01 日本電産株式会社 動圧軸受装置
JP2001182741A (ja) * 1999-12-27 2001-07-06 Sankyo Seiki Mfg Co Ltd スラスト動圧軸受装置及びその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000197309A (ja) * 1998-08-08 2000-07-14 Nippon Densan Corp 流体動圧軸受を備えたモ―タ及びこのモ―タを備えた記録ディスク駆動装置

Also Published As

Publication number Publication date
US6817766B2 (en) 2004-11-16
CN1421622A (zh) 2003-06-04
US20030108257A1 (en) 2003-06-12
CN100439732C (zh) 2008-12-03
JP2003161322A (ja) 2003-06-06
JP3984462B2 (ja) 2007-10-03

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