CN1083949C - 降低温度灵敏度的流体动力轴承 - Google Patents

降低温度灵敏度的流体动力轴承 Download PDF

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Publication number
CN1083949C
CN1083949C CN96198444A CN96198444A CN1083949C CN 1083949 C CN1083949 C CN 1083949C CN 96198444 A CN96198444 A CN 96198444A CN 96198444 A CN96198444 A CN 96198444A CN 1083949 C CN1083949 C CN 1083949C
Authority
CN
China
Prior art keywords
shaft
bearing
sleeve
region
tapered
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
CN96198444A
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English (en)
Chinese (zh)
Other versions
CN1202956A (zh
Inventor
汉斯·勒索德
戴维·詹宁斯
莱克史曼·纳加拉思南
拉奎伯·卡恩
格雷格·拉德
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 CN1202956A publication Critical patent/CN1202956A/zh
Application granted granted Critical
Publication of CN1083949C publication Critical patent/CN1083949C/zh
Anticipated expiration legal-status Critical
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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
CN96198444A 1995-11-28 1996-11-15 降低温度灵敏度的流体动力轴承 Expired - Fee Related CN1083949C (zh)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
CN1202956A CN1202956A (zh) 1998-12-23
CN1083949C true CN1083949C (zh) 2002-05-01

Family

ID=24251114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96198444A Expired - Fee Related CN1083949C (zh) 1995-11-28 1996-11-15 降低温度灵敏度的流体动力轴承

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
GB2333330A (en) * 1996-12-20 1999-07-21 Seagate Technology Conical hydrodynamic bearing with two indendent circulation paths
US6036413A (en) * 1997-01-02 2000-03-14 The Ingersoll Milling Machine Company High speed hydrodynamic spindle
CN1252857A (zh) * 1997-04-17 2000-05-10 迪姆肯公司 旋转式空气轴承及其制造方法
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
CN100476976C (zh) * 2002-06-03 2009-04-08 希捷科技有限公司 转轴锥形流体动力轴承
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
EP3913244A1 (de) 2015-03-18 2021-11-24 Martin Berger Hydrodynamisches gleitlager
DE102016001075A1 (de) * 2016-02-02 2017-08-03 Minebea Co., Ltd. Spindelmotor

Citations (2)

* 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
US5524985A (en) * 1995-03-21 1996-06-11 Seagate Technology, Inc. Fluid thermal compensation and containment for hydrodynamic bearings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208122B1 (de) * 1985-06-10 1988-03-30 INTERATOM Gesellschaft mit beschränkter Haftung Gasstatisches Lager in Doppelkegelform
US5246294A (en) * 1991-05-30 1993-09-21 Digital Equipment Corporation Flow-regulating hydrodynamic bearing

Patent Citations (2)

* 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
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
KR100407718B1 (ko) 2004-02-18
US5697708A (en) 1997-12-16
JP2000501160A (ja) 2000-02-02
CN1202956A (zh) 1998-12-23
JP3835820B2 (ja) 2006-10-18
HK1015858A1 (en) 1999-10-22
GB2323134B (en) 2000-03-01
KR19990071676A (ko) 1999-09-27
GB2323134A (en) 1998-09-16
GB9811371D0 (en) 1998-07-22
WO1997020149A1 (en) 1997-06-05
DE19681642T1 (de) 1998-12-17

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Applicant after: Seagate Technology, Inc.

Applicant before: Segat Technology Co.

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Free format text: CORRECT: APPLICANT; FROM: SEGAT TECHNOLOGY CO. TO: SEAGATE TECHNOLOGY LLC

C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SEAGATE TECHNOLOGY SCIENCE & TECHNOLOGY CO., LTD.

Free format text: FORMER NAME OR ADDRESS: SEAGATE TECHNOLOGY LLC

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Address after: American California

Patentee after: Seagate Technology LLC

Address before: American California

Patentee before: Seagate Technology, Inc.

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee