CN1258045C - 动压轴承装置 - Google Patents
动压轴承装置 Download PDFInfo
- Publication number
- CN1258045C CN1258045C CNB021506809A CN02150680A CN1258045C CN 1258045 C CN1258045 C CN 1258045C CN B021506809 A CNB021506809 A CN B021506809A CN 02150680 A CN02150680 A CN 02150680A CN 1258045 C CN1258045 C CN 1258045C
- Authority
- CN
- China
- Prior art keywords
- dynamic pressure
- end thrust
- hydraulic bearing
- radial direction
- lubricating fluid
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 70
- 230000001050 lubricating effect Effects 0.000 claims description 68
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 11
- 238000005461 lubrication Methods 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 26
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011553 magnetic fluid Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust 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
- F16C17/107—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
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001349402 | 2001-11-14 | ||
JP2001349402A JP2003148457A (ja) | 2001-11-14 | 2001-11-14 | 動圧軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1419058A CN1419058A (zh) | 2003-05-21 |
CN1258045C true CN1258045C (zh) | 2006-05-31 |
Family
ID=19162080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021506809A Expired - Fee Related CN1258045C (zh) | 2001-11-14 | 2002-11-14 | 动压轴承装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6955469B2 (zh) |
JP (1) | JP2003148457A (zh) |
CN (1) | CN1258045C (zh) |
SG (1) | SG111976A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4084843B2 (ja) | 2003-06-12 | 2008-04-30 | 日本電産株式会社 | 動圧軸受装置およびその製造方法 |
WO2005121575A1 (ja) * | 2004-06-11 | 2005-12-22 | Seiko Instruments Inc. | 流体動圧軸受、モータおよび記録媒体駆動装置 |
JP2006081274A (ja) * | 2004-09-08 | 2006-03-23 | Nippon Densan Corp | スピンドルモータ、及びこのスピンドルモータを備えた記録ディスク駆動装置 |
JP4418531B2 (ja) * | 2004-09-09 | 2010-02-17 | 日本電産株式会社 | 流体動圧軸受装置及びスピンドルモータ |
KR100638667B1 (ko) * | 2005-01-04 | 2006-10-30 | 삼성전기주식회사 | 유체동압 베어링을 갖는 스핀들 모터 |
JP4567476B2 (ja) * | 2005-01-28 | 2010-10-20 | アルファナテクノロジー株式会社 | モータ |
JP3110389U (ja) * | 2005-02-03 | 2005-06-23 | ミネベア株式会社 | モータの流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモータ、記録ディスク駆動装置 |
JP2006283971A (ja) * | 2005-03-11 | 2006-10-19 | Nippon Densan Corp | 流体動圧軸受およびこの流体動圧軸受を備えたスピンドルモータ |
WO2007000925A1 (ja) * | 2005-06-27 | 2007-01-04 | Ntn Corporation | 流体軸受装置およびこれを備えたモータ |
JP4794922B2 (ja) * | 2005-06-27 | 2011-10-19 | Ntn株式会社 | 流体軸受装置およびこれを有するモータ |
DE102005032631B4 (de) * | 2005-07-13 | 2007-10-31 | Minebea Co., Ltd., Miyota | Fluiddynamisches Lagersystem |
JP2008082414A (ja) * | 2006-09-27 | 2008-04-10 | Nippon Densan Corp | 流体動圧軸受装置、磁気ディスク装置、及び携帯型電子機器 |
US7758246B2 (en) * | 2007-06-25 | 2010-07-20 | Seagate Technology, Llc | Air purging for a fluid dynamic bearing |
JP2012087861A (ja) * | 2010-10-19 | 2012-05-10 | Nippon Densan Corp | 流体動圧軸受機構、スピンドルモータ、およびディスク駆動装置 |
JP2015096771A (ja) * | 2014-12-26 | 2015-05-21 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | ハードディスク装置用スピンドルモータ |
US10892673B2 (en) * | 2018-07-27 | 2021-01-12 | Airborne Motor Works Inc. | Thrust producing split flywheel gyroscope method and apparatus |
CN109436276B (zh) * | 2018-12-13 | 2023-06-02 | 中国船舶重工集团公司第七〇四研究所 | 非对称双向单支点液弹支撑滑动推力轴承 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2506836B2 (ja) * | 1987-11-02 | 1996-06-12 | 松下電器産業株式会社 | 動圧型流体軸受装置 |
US5328272A (en) * | 1991-12-23 | 1994-07-12 | International Business Machines | Spindle system for a disk drive |
US5427456A (en) * | 1994-04-12 | 1995-06-27 | Synektron Corporation | Fluid bearing with asymmetrical groove pattern |
US5433529A (en) * | 1994-08-02 | 1995-07-18 | Synektron Corporation | Fluid bearing construction employing thrust plate with pressure compensation ports |
US5658080A (en) * | 1994-12-16 | 1997-08-19 | Nidec Corporation | Motor with a hydro-dynamic bearing |
US5524985A (en) * | 1995-03-21 | 1996-06-11 | Seagate Technology, Inc. | Fluid thermal compensation and containment for hydrodynamic bearings |
US5536088A (en) * | 1995-06-07 | 1996-07-16 | Synektron Corporation | Fluid bearings for electronic spindle motors |
US5770906A (en) * | 1995-06-13 | 1998-06-23 | Sae Magnetics (H.K.) Ltd. | Compact electric motor construction employing fluid bearings |
JP3514958B2 (ja) * | 1996-12-13 | 2004-04-05 | 三星電子株式会社 | 流体ベアリング装置 |
TW468009B (en) * | 1997-11-20 | 2001-12-11 | Koninkl Philips Electronics Nv | Electromotor |
US6183135B1 (en) * | 1998-03-19 | 2001-02-06 | Seagate Technology Llc | Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation |
JP2002061647A (ja) * | 2000-08-23 | 2002-02-28 | Ntn Corp | 動圧型軸受ユニット |
JP2003269443A (ja) * | 2002-03-20 | 2003-09-25 | Koyo Seiko Co Ltd | スラスト動圧軸受 |
-
2001
- 2001-11-14 JP JP2001349402A patent/JP2003148457A/ja not_active Withdrawn
-
2002
- 2002-11-12 SG SG200206775A patent/SG111976A1/en unknown
- 2002-11-12 US US10/292,371 patent/US6955469B2/en not_active Expired - Lifetime
- 2002-11-14 CN CNB021506809A patent/CN1258045C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6955469B2 (en) | 2005-10-18 |
CN1419058A (zh) | 2003-05-21 |
US20030091250A1 (en) | 2003-05-15 |
JP2003148457A (ja) | 2003-05-21 |
SG111976A1 (en) | 2005-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NIDEC SANKYO CORP. Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K. |
|
CP03 | Change of name, title or address |
Address after: Nagano Patentee after: Sankyo Seiki Seisakusho KK Address before: Nagano Patentee before: Sankyo Seiki Manufacturing Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081212 Address after: Kyoto Japan Patentee after: Nippon Densan K. K. Address before: Nagano Patentee before: Sankyo Seiki Seisakusho KK |
|
ASS | Succession or assignment of patent right |
Owner name: NIDEC CORP. Free format text: FORMER OWNER: NIDEC SANKYO CORP. Effective date: 20081212 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20201114 |
|
CF01 | Termination of patent right due to non-payment of annual fee |