JP2001234926A - 動圧型流体軸受装置 - Google Patents

動圧型流体軸受装置

Info

Publication number
JP2001234926A
JP2001234926A JP2000046661A JP2000046661A JP2001234926A JP 2001234926 A JP2001234926 A JP 2001234926A JP 2000046661 A JP2000046661 A JP 2000046661A JP 2000046661 A JP2000046661 A JP 2000046661A JP 2001234926 A JP2001234926 A JP 2001234926A
Authority
JP
Japan
Prior art keywords
sleeve
capillary seal
fixed shaft
seal portion
peripheral surface
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
JP2000046661A
Other languages
English (en)
Japanese (ja)
Inventor
Toshifumi Hino
利文 日野
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2000046661A priority Critical patent/JP2001234926A/ja
Priority to US09/959,350 priority patent/US6698931B2/en
Priority to KR10-2001-7013619A priority patent/KR100480758B1/ko
Priority to CN01800276A priority patent/CN1120944C/zh
Priority to PCT/JP2001/001182 priority patent/WO2001063133A1/ja
Priority to TW090103895A priority patent/TW470825B/zh
Publication of JP2001234926A publication Critical patent/JP2001234926A/ja
Pending 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and 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
    • 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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Of Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP2000046661A 2000-02-24 2000-02-24 動圧型流体軸受装置 Pending JP2001234926A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2000046661A JP2001234926A (ja) 2000-02-24 2000-02-24 動圧型流体軸受装置
US09/959,350 US6698931B2 (en) 2000-02-24 2001-02-19 Dynamic pressure-type liquid bearing unit
KR10-2001-7013619A KR100480758B1 (ko) 2000-02-24 2001-02-19 동압형 유체 베어링장치
CN01800276A CN1120944C (zh) 2000-02-24 2001-02-19 动压式流体轴承装置
PCT/JP2001/001182 WO2001063133A1 (fr) 2000-02-24 2001-02-19 Palier fluide de type pression dynamique
TW090103895A TW470825B (en) 2000-02-24 2001-02-21 Dynamic-pressure type bearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000046661A JP2001234926A (ja) 2000-02-24 2000-02-24 動圧型流体軸受装置

Publications (1)

Publication Number Publication Date
JP2001234926A true JP2001234926A (ja) 2001-08-31

Family

ID=18569035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000046661A Pending JP2001234926A (ja) 2000-02-24 2000-02-24 動圧型流体軸受装置

Country Status (5)

Country Link
JP (1) JP2001234926A (ko)
KR (1) KR100480758B1 (ko)
CN (1) CN1120944C (ko)
TW (1) TW470825B (ko)
WO (1) WO2001063133A1 (ko)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006149008A (ja) * 2004-11-17 2006-06-08 Matsushita Electric Ind Co Ltd スピンドルモータ
CN100359195C (zh) * 2002-12-03 2008-01-02 松下电器产业株式会社 流体轴承装置及使用它的碟片旋转装置
US8585289B2 (en) 2011-07-22 2013-11-19 Samsung Electro-Mechanics Co., Ltd. Spindle motor
US9030068B2 (en) 2011-11-28 2015-05-12 Samsung Electro-Mechanics Co., Ltd. Spindle motor and method of manufacturing the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10200506A1 (de) * 2002-01-09 2003-07-24 Minebea Co Ltd Verfahren zum Herstellen eines Spindelmotors und Spindelmotor für ein Festplattenlaufwerk
JP4625407B2 (ja) 2003-04-24 2011-02-02 パナソニック株式会社 流体軸受装置及びディスク回転装置
CN100422583C (zh) * 2003-04-24 2008-10-01 松下电器产业株式会社 流体轴承装置及磁盘旋转装置
CN101225854B (zh) * 2007-01-17 2010-08-25 富准精密工业(深圳)有限公司 动压轴承的制造方法
CN103248162B (zh) * 2012-02-01 2015-07-15 日本电产株式会社 主轴马达以及盘驱动装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5806987A (en) * 1996-02-07 1998-09-15 Sankyo Seiki Mfg. Co., Ltd. Hydrodynamic bearing apparatus
JPH11153130A (ja) * 1997-11-21 1999-06-08 Sankyo Seiki Mfg Co Ltd 動圧軸受装置
JP3549380B2 (ja) * 1997-11-25 2004-08-04 日本電産株式会社 動圧流体軸受装置及び電動機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359195C (zh) * 2002-12-03 2008-01-02 松下电器产业株式会社 流体轴承装置及使用它的碟片旋转装置
JP2006149008A (ja) * 2004-11-17 2006-06-08 Matsushita Electric Ind Co Ltd スピンドルモータ
JP4614740B2 (ja) * 2004-11-17 2011-01-19 パナソニック株式会社 スピンドルモータ
US8585289B2 (en) 2011-07-22 2013-11-19 Samsung Electro-Mechanics Co., Ltd. Spindle motor
US9030068B2 (en) 2011-11-28 2015-05-12 Samsung Electro-Mechanics Co., Ltd. Spindle motor and method of manufacturing the same

Also Published As

Publication number Publication date
TW470825B (en) 2002-01-01
CN1120944C (zh) 2003-09-10
CN1363022A (zh) 2002-08-07
KR20020006711A (ko) 2002-01-24
WO2001063133A1 (fr) 2001-08-30
KR100480758B1 (ko) 2005-04-06

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