JP2013543015A - 潤滑剤を備えた流体軸受を有する流体力学的ディスクドライブスピンドルモータ - Google Patents

潤滑剤を備えた流体軸受を有する流体力学的ディスクドライブスピンドルモータ Download PDF

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Publication number
JP2013543015A
JP2013543015A JP2013527071A JP2013527071A JP2013543015A JP 2013543015 A JP2013543015 A JP 2013543015A JP 2013527071 A JP2013527071 A JP 2013527071A JP 2013527071 A JP2013527071 A JP 2013527071A JP 2013543015 A JP2013543015 A JP 2013543015A
Authority
JP
Japan
Prior art keywords
lubricating fluid
spindle motor
acid
aryl
alkyl
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.)
Pending
Application number
JP2013527071A
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English (en)
Japanese (ja)
Other versions
JP2013543015A5 (enExample
Inventor
カーン,ラキブ・ウッディン
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2013543015A publication Critical patent/JP2013543015A/ja
Publication of JP2013543015A5 publication Critical patent/JP2013543015A5/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/2009Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2036Motors characterized by fluid-dynamic bearings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/086Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H02K7/088Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C10M107/30Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M107/32Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/16Amides; Imides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP2013527071A 2010-08-31 2011-03-29 潤滑剤を備えた流体軸受を有する流体力学的ディスクドライブスピンドルモータ Pending JP2013543015A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/872,109 US20120050916A1 (en) 2010-08-31 2010-08-31 Hydrodynamic disc drive spindle motor having hydro bearing with lubricant
US12/872,109 2010-08-31
PCT/US2011/030312 WO2012030410A1 (en) 2010-08-31 2011-03-29 Hydrodynamic disc drive spindle motor having hydro bearing with lubricant

Publications (2)

Publication Number Publication Date
JP2013543015A true JP2013543015A (ja) 2013-11-28
JP2013543015A5 JP2013543015A5 (enExample) 2014-04-24

Family

ID=45696970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013527071A Pending JP2013543015A (ja) 2010-08-31 2011-03-29 潤滑剤を備えた流体軸受を有する流体力学的ディスクドライブスピンドルモータ

Country Status (5)

Country Link
US (3) US20120050916A1 (enExample)
JP (1) JP2013543015A (enExample)
KR (1) KR101171701B1 (enExample)
CN (1) CN103189920A (enExample)
WO (1) WO2012030410A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6034643B2 (ja) * 2012-10-04 2016-11-30 ミネベア株式会社 流体動圧軸受装置及びスピンドルモータ
JP2014095397A (ja) * 2012-11-07 2014-05-22 Seiko Instruments Inc 軸受、軸受装置及び記録装置
RU2664536C2 (ru) * 2013-05-07 2018-08-20 Лэнксесс Дойчланд Гмбх Способ получения масляных композиций с помощью определенных карбодиимидов
WO2015022976A1 (ja) * 2013-08-16 2015-02-19 Jx日鉱日石エネルギー株式会社 内燃機関用潤滑油組成物
US9368150B2 (en) 2014-09-24 2016-06-14 HGST Netherlands B.V. Charge control agent for fluid dynamic bearing motor lubricant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0734081A (ja) * 1993-07-23 1995-02-03 Tonen Corp 潤滑油組成物
JP2001316687A (ja) * 2000-05-10 2001-11-16 Japan Energy Corp 流体軸受用潤滑油及びそれを用いた流体軸受
JP2010180331A (ja) * 2009-02-06 2010-08-19 New Japan Chem Co Ltd 動圧流体軸受用又は焼結含油軸受用潤滑油組成物

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG75080A1 (en) 1994-11-29 2000-09-19 Sanyo Electric Co Refrigerating apparatus and lubricating oil composition
US5641841A (en) * 1995-01-10 1997-06-24 International Business Machines Corporation Conductive lubricant for magnetic disk drives
DE19681634T1 (de) * 1995-10-30 1998-12-03 Seagate Technology Plattenlaufwerk-Spindelmotor mit Hydrolager mit optimierter Schmiermittelviskosität
US6235687B1 (en) * 1998-10-09 2001-05-22 Exxon Research And Engineering Company Method for producing lubrication oils possessing anti rust properties containing acidic anti rust additive and acid scavengers
WO2004018595A1 (ja) * 2002-08-22 2004-03-04 New Japan Chemical Co., Ltd. 軸受用潤滑油
CN100341988C (zh) * 2003-04-02 2007-10-10 出光兴产株式会社 导电润滑剂组合物
US7459416B2 (en) * 2004-07-12 2008-12-02 Panasonic Corporation Fluid bearing unit and spindle motor using the same
US20080024919A1 (en) * 2004-10-13 2008-01-31 Seagate Technology Llc Freezing point reduction in FDB by enhancing lubricants with additives
JP5074687B2 (ja) * 2005-07-15 2012-11-14 出光興産株式会社 含油軸受用潤滑剤
US7820601B2 (en) * 2006-07-28 2010-10-26 Hitachi Global Storage Technologies Netherlands, B.V. System and method for improving lubrication in a fluid dynamic bearing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0734081A (ja) * 1993-07-23 1995-02-03 Tonen Corp 潤滑油組成物
JP2001316687A (ja) * 2000-05-10 2001-11-16 Japan Energy Corp 流体軸受用潤滑油及びそれを用いた流体軸受
JP2010180331A (ja) * 2009-02-06 2010-08-19 New Japan Chem Co Ltd 動圧流体軸受用又は焼結含油軸受用潤滑油組成物

Also Published As

Publication number Publication date
US20130082556A1 (en) 2013-04-04
WO2012030410A4 (en) 2012-05-10
CN103189920A (zh) 2013-07-03
US20120050916A1 (en) 2012-03-01
KR101171701B1 (ko) 2012-08-10
US20120068564A1 (en) 2012-03-22
KR20120022051A (ko) 2012-03-09
WO2012030410A1 (en) 2012-03-08

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