DE69616764T2 - Dynamisches rillenlager mit ölsperre - Google Patents

Dynamisches rillenlager mit ölsperre

Info

Publication number
DE69616764T2
DE69616764T2 DE69616764T DE69616764T DE69616764T2 DE 69616764 T2 DE69616764 T2 DE 69616764T2 DE 69616764 T DE69616764 T DE 69616764T DE 69616764 T DE69616764 T DE 69616764T DE 69616764 T2 DE69616764 T2 DE 69616764T2
Authority
DE
Germany
Prior art keywords
groove bearing
oil lock
dynamic groove
dynamic
lock
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
DE69616764T
Other languages
English (en)
Other versions
DE69616764D1 (de
Inventor
Johannes Thijsse
Petrus Tielemans
Jelm Franse
Ronny Verzijl
Cornelis Boereboom
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69616764D1 publication Critical patent/DE69616764D1/de
Publication of DE69616764T2 publication Critical patent/DE69616764T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F16C33/106—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
    • 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
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • 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
    • 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
    • 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)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
DE69616764T 1995-12-22 1996-12-04 Dynamisches rillenlager mit ölsperre Expired - Fee Related DE69616764T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203610 1995-12-22
PCT/IB1996/001347 WO1997023736A1 (en) 1995-12-22 1996-12-04 Dynamic groove bearing with a lubricant barrier

Publications (2)

Publication Number Publication Date
DE69616764D1 DE69616764D1 (de) 2001-12-13
DE69616764T2 true DE69616764T2 (de) 2002-08-01

Family

ID=8220997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616764T Expired - Fee Related DE69616764T2 (de) 1995-12-22 1996-12-04 Dynamisches rillenlager mit ölsperre

Country Status (6)

Country Link
US (1) US5722775A (de)
EP (1) EP0812395B1 (de)
JP (1) JP4195088B2 (de)
DE (1) DE69616764T2 (de)
MY (1) MY132359A (de)
WO (1) WO1997023736A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791784A (en) * 1995-04-10 1998-08-11 Nidec Corporation Fluid dynamic pressure bearing and motor and magnetic disk apparatus using fluid dynamic pressure bearing
JP3544098B2 (ja) * 1997-05-19 2004-07-21 日本電産株式会社 動圧流体軸受装置
JP3811553B2 (ja) * 1997-09-05 2006-08-23 株式会社ジェイテクト 流体軸受
TW468009B (en) * 1997-11-20 2001-12-11 Koninkl Philips Electronics Nv Electromotor
US6196722B1 (en) * 1998-01-13 2001-03-06 Matsushita Electric Industrial Co., Ltd. Hydrodynamic bearing
KR100486698B1 (ko) * 1998-07-28 2005-08-31 삼성전자주식회사 베어링시스템및이를적용한스핀들모터조립체
JP4076702B2 (ja) 1999-05-14 2008-04-16 株式会社フジクラ 光ファイバの捻れ測定方法
JP2001082458A (ja) 1999-09-08 2001-03-27 Koyo Seiko Co Ltd 動圧軸受
JP2003009462A (ja) * 2001-06-22 2003-01-10 Nippon Densan Corp スピンドルモータ
JP4248176B2 (ja) * 2001-12-14 2009-04-02 株式会社ジェイテクト 動圧軸受
KR100528329B1 (ko) * 2003-02-18 2005-11-16 삼성전자주식회사 하드 디스크 드라이브용 스핀들 모터
JP4369303B2 (ja) * 2004-06-01 2009-11-18 日本電産株式会社 動圧軸受装置およびその製造方法、ならびにモータおよびディスク駆動装置
CZ302547B6 (cs) * 2005-07-04 2011-07-07 Visteon Global Technologies, Inc. Systém adaptivního predního osvetlení motorových vozidel
US10485288B2 (en) 2011-05-09 2019-11-26 Israel Junior Pacheco Lighted footwear
US9144638B2 (en) 2013-03-14 2015-09-29 Thoratec Corporation Blood pump rotor bearings
CN113124055B (zh) * 2021-04-27 2023-03-14 北京工业大学 基于径向密珠吸载的气浮止推轴承
CN113124056A (zh) * 2021-04-27 2021-07-16 北京工业大学 基于轴向密珠吸载的气浮止推轴承

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2870057B2 (ja) * 1989-11-07 1999-03-10 日本精工株式会社 動圧軸受装置
US5246294A (en) * 1991-05-30 1993-09-21 Digital Equipment Corporation Flow-regulating hydrodynamic bearing
US5457588A (en) * 1992-09-22 1995-10-10 Nippon Densan Corporation Low profile hydrodynamic motor having minimum leakage properties
JPH06178492A (ja) * 1992-12-07 1994-06-24 Nippon Densan Corp スピンドルモータ
US5427456A (en) * 1994-04-12 1995-06-27 Synektron Corporation Fluid bearing with asymmetrical groove pattern
US5558443A (en) * 1994-07-22 1996-09-24 Quantum Corporation Shaft seal for hydrodynamic bearing unit
US5558445A (en) * 1994-07-22 1996-09-24 Quantum Corporation Self-contained hydrodynamic bearing unit and seals

Also Published As

Publication number Publication date
EP0812395B1 (de) 2001-11-07
US5722775A (en) 1998-03-03
JP4195088B2 (ja) 2008-12-10
WO1997023736A1 (en) 1997-07-03
EP0812395A1 (de) 1997-12-17
DE69616764D1 (de) 2001-12-13
MY132359A (en) 2007-10-31
JPH11501113A (ja) 1999-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee