KR100465402B1 - 전기전도성을갖는비금속성의첨가제를포함하는디스크드라이브유압베어링윤활제 - Google Patents

전기전도성을갖는비금속성의첨가제를포함하는디스크드라이브유압베어링윤활제 Download PDF

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Publication number
KR100465402B1
KR100465402B1 KR10-1998-0703171A KR19980703171A KR100465402B1 KR 100465402 B1 KR100465402 B1 KR 100465402B1 KR 19980703171 A KR19980703171 A KR 19980703171A KR 100465402 B1 KR100465402 B1 KR 100465402B1
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KR
South Korea
Prior art keywords
lubricant
additive
electrically conductive
data storage
base liquid
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
KR10-1998-0703171A
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English (en)
Korean (ko)
Other versions
KR19990067214A (ko
Inventor
유. 칸 라퀴브
머디 샘나단
에스. 파소네아울트 노버트
엘. 로이트홀드 한스
Original Assignee
시게이트 테크놀로지 엘엘씨
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Publication of KR19990067214A publication Critical patent/KR19990067214A/ko
Application granted granted Critical
Publication of KR100465402B1 publication Critical patent/KR100465402B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
    • 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
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • F16C33/109—Lubricant compositions or properties, e.g. viscosity
    • 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
    • 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
    • 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
    • G11B19/2036—Motors characterized by fluid-dynamic bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • 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
    • 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
    • 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
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lubricants (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)
KR10-1998-0703171A 1995-11-16 1996-11-14 전기전도성을갖는비금속성의첨가제를포함하는디스크드라이브유압베어링윤활제 Expired - Fee Related KR100465402B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US684295P 1995-11-16 1995-11-16
US60/006842 1995-11-16
PCT/US1996/018366 WO1997018562A1 (en) 1995-11-16 1996-11-14 Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive

Publications (2)

Publication Number Publication Date
KR19990067214A KR19990067214A (ko) 1999-08-16
KR100465402B1 true KR100465402B1 (ko) 2005-02-28

Family

ID=21722889

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1998-0703171A Expired - Fee Related KR100465402B1 (ko) 1995-11-16 1996-11-14 전기전도성을갖는비금속성의첨가제를포함하는디스크드라이브유압베어링윤활제

Country Status (7)

Country Link
US (1) US5940246A (enExample)
JP (1) JP2000500898A (enExample)
KR (1) KR100465402B1 (enExample)
CN (1) CN1127069C (enExample)
DE (1) DE19681651T1 (enExample)
GB (1) GB2322730B (enExample)
WO (1) WO1997018562A1 (enExample)

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DE19681634T1 (de) * 1995-10-30 1998-12-03 Seagate Technology Plattenlaufwerk-Spindelmotor mit Hydrolager mit optimierter Schmiermittelviskosität
WO1998043245A1 (en) * 1997-03-25 1998-10-01 Koyo Seiko Co., Ltd. Information equipment
TW468009B (en) * 1997-11-20 2001-12-11 Koninkl Philips Electronics Nv Electromotor
JP2000310225A (ja) * 1999-04-26 2000-11-07 Matsushita Electric Ind Co Ltd 流体軸受装置およびそれを使用した磁気ディスク装置
US6313967B1 (en) * 1999-08-03 2001-11-06 Maxtor Corporation Disk drive spindle air bearing
US6483215B1 (en) 1999-10-13 2002-11-19 Maxtor Corporation Hybrid air/fluid bearing
JP4029533B2 (ja) * 1999-10-21 2008-01-09 株式会社ジェイテクト 動圧軸受用導電性潤滑剤
JP4757379B2 (ja) * 1999-12-13 2011-08-24 新日鐵化学株式会社 潤滑油組成物
US6952324B2 (en) * 2001-10-18 2005-10-04 Seagate Technology, Llc Hydrodynamic fluid bearing containing lubricants with reduced temperature sensitivity for disk drive application
US6678115B2 (en) 2001-11-08 2004-01-13 Seagate Technology Llc Hydrodynamic fluid bearing containing lubricants with reduced bubble forming tendency for disk drive application
US7345844B2 (en) * 2002-07-23 2008-03-18 Seagate Technology Llc Servo track writer with helium bearing
US7239477B2 (en) * 2002-11-05 2007-07-03 Seagate Technology Llc Low profile air-oil hybrid fluid dynamic bearing motor
US6961214B2 (en) * 2002-12-19 2005-11-01 Seagate Technology Llc Refinement of spindle motor bearing gap
US20050056303A1 (en) * 2003-09-16 2005-03-17 Wei-Ming Lee Oblique burnish/wipe mechanism for hard drive disk like media
US7001074B2 (en) * 2003-04-21 2006-02-21 Seagate Technology Llc High pressure barrier to oil loss by diffusion
US7234868B2 (en) * 2003-05-07 2007-06-26 Seagate Technology Llc Radial pumping oil seal for fluid dynamic bearing motor
US7212376B2 (en) * 2003-09-26 2007-05-01 Hitachi Global Storage Netherlands, B.V. Disk drive system with hydrodynamic bearing lubricant having charge-control additive comprising dioctyldiphenylamine and/or oligomer thereof
US7776802B2 (en) * 2004-12-07 2010-08-17 Panasonic Corporation Hydrodynamic bearing device, and spindle motor and information device using the same
US8562222B2 (en) * 2005-06-24 2013-10-22 Seagate Technology Llc Hub and spindle assembly
US7708904B2 (en) 2005-09-09 2010-05-04 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid
US8353740B2 (en) 2005-09-09 2013-01-15 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid
US7679243B2 (en) * 2005-12-22 2010-03-16 Seagate Technology Llc Motor assembly with multifunctional components
US7843664B2 (en) * 2006-02-09 2010-11-30 Seagate Technology Llc Electrostatic discharge apparatus for hub and spindle assemblies
JP2007321968A (ja) 2006-06-05 2007-12-13 Matsushita Electric Ind Co Ltd 流体軸受装置、ならびにそれを用いたスピンドルモータ及び情報装置
US8454238B2 (en) * 2006-08-23 2013-06-04 Seagate Technology Llc Spindle regions
US8759266B2 (en) * 2007-03-20 2014-06-24 Exxonmobil Research And Engineering Company Lubricant composition with improved electrical properties
WO2011017629A1 (en) * 2009-08-06 2011-02-10 Seagate Technology Llc Hydrodynamic disc drive spindle motors having hydro bearing with lubricant including conductivity inducing agent
US8531195B2 (en) * 2010-08-26 2013-09-10 Ferrotec (Usa) Corporation Failure indicator seal for a rotary feedthrough
JP6040986B2 (ja) 2012-06-07 2016-12-07 新日本理化株式会社 流体軸受用潤滑油基油
US9368150B2 (en) 2014-09-24 2016-06-14 HGST Netherlands B.V. Charge control agent for fluid dynamic bearing motor lubricant
BR112020017516B1 (pt) * 2018-03-02 2024-04-30 Weg Equipamentos Elétricos S/A Conjunto de mancal de rolamento e sistema de lubrificação para o conjunto de mancal de uma máquina elétrica girante
WO2020129944A1 (ja) 2018-12-20 2020-06-25 新日本理化株式会社 流体軸受用潤滑油基油

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Also Published As

Publication number Publication date
GB2322730B (en) 1999-08-04
JP2000500898A (ja) 2000-01-25
DE19681651T1 (de) 1998-10-15
GB9810554D0 (en) 1998-07-15
WO1997018562A1 (en) 1997-05-22
KR19990067214A (ko) 1999-08-16
US5940246A (en) 1999-08-17
GB2322730A (en) 1998-09-02
HK1015933A1 (en) 1999-10-22
CN1200831A (zh) 1998-12-02
CN1127069C (zh) 2003-11-05

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