JP3835820B2 - 低い感温性をもった流体ベアリング - Google Patents

低い感温性をもった流体ベアリング Download PDF

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Publication number
JP3835820B2
JP3835820B2 JP52055197A JP52055197A JP3835820B2 JP 3835820 B2 JP3835820 B2 JP 3835820B2 JP 52055197 A JP52055197 A JP 52055197A JP 52055197 A JP52055197 A JP 52055197A JP 3835820 B2 JP3835820 B2 JP 3835820B2
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Japan
Prior art keywords
bearing
fixed shaft
region
sleeve
fluid
Prior art date
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Expired - Fee Related
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JP52055197A
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English (en)
Japanese (ja)
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JP2000501160A (ja
JP2000501160A5 (enExample
Inventor
ハンス ロイトホルド
ディヴィッド ジェニングス
ラクシュマン ナガラトナム
ラキブ カーン
グレッグ ラッド
Original Assignee
シーゲイト テクノロジィ リミテッド ライアビリティ カンパニー
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Publication of JP2000501160A publication Critical patent/JP2000501160A/ja
Publication of JP2000501160A5 publication Critical patent/JP2000501160A5/ja
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Expired - Fee Related legal-status Critical Current

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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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/02—Sliding-contact bearings
    • 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
    • F16C17/105—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 bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • 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
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/22—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with arrangements compensating for thermal expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
JP52055197A 1995-11-28 1996-11-15 低い感温性をもった流体ベアリング Expired - Fee Related JP3835820B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/563,589 US5697708A (en) 1995-11-28 1995-11-28 Hydrodynamic bearing with reduced temperature sensitivity
US08/563,589 1995-11-28
PCT/US1996/018620 WO1997020149A1 (en) 1995-11-28 1996-11-15 Hydrodynamic bearing with reduced temperature sensitivity

Publications (3)

Publication Number Publication Date
JP2000501160A JP2000501160A (ja) 2000-02-02
JP2000501160A5 JP2000501160A5 (enExample) 2004-10-21
JP3835820B2 true JP3835820B2 (ja) 2006-10-18

Family

ID=24251114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52055197A Expired - Fee Related JP3835820B2 (ja) 1995-11-28 1996-11-15 低い感温性をもった流体ベアリング

Country Status (7)

Country Link
US (1) US5697708A (enExample)
JP (1) JP3835820B2 (enExample)
KR (1) KR100407718B1 (enExample)
CN (1) CN1083949C (enExample)
DE (1) DE19681642T1 (enExample)
GB (1) GB2323134B (enExample)
WO (1) WO1997020149A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998028550A1 (en) * 1996-12-20 1998-07-02 Seagate Technology, Inc. Conical hydrodynamic bearing with two independent circulation paths
US6036413A (en) * 1997-01-02 2000-03-14 The Ingersoll Milling Machine Company High speed hydrodynamic spindle
WO1998046894A1 (en) * 1997-04-17 1998-10-22 The Timken Company Rotary air bearing and process for manufacturing the same
US6005748A (en) * 1997-04-23 1999-12-21 Seagate Technology, Inc. Spindle motor with multiple thrust plate fluid dynamic bearing
US6154339A (en) * 1997-11-06 2000-11-28 Seagate Technology Llc. Centrifugal capillary seal for use with fluid dynamic bearings
US6148501A (en) * 1998-04-14 2000-11-21 Seagate Technology Llc Fabrication means for in-hub spindle with separate fluid dynamic bearings
US6019516A (en) 1998-04-14 2000-02-01 Seagate Technology, Inc. Crowned conical bearing
US6293705B1 (en) 1999-12-03 2001-09-25 Seagate Technology Llc Annular gimbal assembly suitable for disc drive spindle bearings and method of making same
SG115341A1 (en) 2000-06-14 2005-10-28 Inst Data Storage Electric spindle motor and method having magnetic starting/stopping device
US6655841B1 (en) * 2000-06-15 2003-12-02 Seagate Technology Llc Cartridge style fluid dynamic bearing with conical or spherical bearing elements
SG97175A1 (en) 2000-12-23 2003-07-18 Inst Data Storage Electric spindle motor with magnetic bearing and hydrodynamic bearing
US6672766B2 (en) * 2001-02-20 2004-01-06 Seagate Technology Llc Easy-fill, easy-press conical bearing
JP2003009462A (ja) * 2001-06-22 2003-01-10 Nippon Densan Corp スピンドルモータ
US6815850B2 (en) 2001-07-10 2004-11-09 International Business Machines Corporation Flux leakage barrier in fluid bearing for disk drive
US6702465B2 (en) * 2001-08-13 2004-03-09 Alan Lyndon Grantz Exclusion seal for fluid dynamic bearing motors
US6731456B2 (en) * 2001-10-26 2004-05-04 Seagate Technology Llc Fluid dynamic bearing thermal compensation
US7042125B2 (en) * 2002-05-01 2006-05-09 Seagate Technology Llc Hydraulic fluid dynamic bearing incorporating an asymmetric journal bearing
KR100679794B1 (ko) * 2002-06-03 2007-02-06 시게이트 테크놀로지 엘엘씨 디스크 드라이브 모터 및 디스크 드라이브 모터용 유체 베어링 시스템
US7063462B2 (en) * 2002-08-19 2006-06-20 Seagate Technology Llc Asymmetry pressure regulation and check valve device for fluid dynamic bearing
US7226212B2 (en) 2004-03-01 2007-06-05 Minebea Co., Ltd. Shield and sealing method for a hydrodynamic bearing
US7956499B2 (en) 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
DE102012005221A1 (de) * 2012-03-15 2013-09-19 Minebea Co., Ltd. Spindelmotor mit niedriger Bauhöhe
JP2015043680A (ja) 2013-08-26 2015-03-05 日本電産株式会社 スピンドルモータおよびディスク駆動装置
EP3271596B1 (de) 2015-03-18 2021-11-17 Martin Berger Hydrodynamisches gleitlager
DE102016001075A1 (de) * 2016-02-02 2017-08-03 Minebea Co., Ltd. Spindelmotor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391965A (en) * 1967-09-06 1968-07-09 Sealol Fluid radial and thrust bearing
DE3660115D1 (en) * 1985-06-10 1988-05-05 Interatom Aerostatic bearing having a double conical configuration
US5246294A (en) * 1991-05-30 1993-09-21 Digital Equipment Corporation Flow-regulating hydrodynamic bearing
US5524985A (en) * 1995-03-21 1996-06-11 Seagate Technology, Inc. Fluid thermal compensation and containment for hydrodynamic bearings

Also Published As

Publication number Publication date
WO1997020149A1 (en) 1997-06-05
JP2000501160A (ja) 2000-02-02
GB2323134A (en) 1998-09-16
US5697708A (en) 1997-12-16
KR100407718B1 (ko) 2004-02-18
CN1083949C (zh) 2002-05-01
HK1015858A1 (en) 1999-10-22
GB9811371D0 (en) 1998-07-22
CN1202956A (zh) 1998-12-23
GB2323134B (en) 2000-03-01
DE19681642T1 (de) 1998-12-17
KR19990071676A (ko) 1999-09-27

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