CN1461091A - 动压轴承电动机 - Google Patents
动压轴承电动机 Download PDFInfo
- Publication number
- CN1461091A CN1461091A CN03131450A CN03131450A CN1461091A CN 1461091 A CN1461091 A CN 1461091A CN 03131450 A CN03131450 A CN 03131450A CN 03131450 A CN03131450 A CN 03131450A CN 1461091 A CN1461091 A CN 1461091A
- Authority
- CN
- China
- Prior art keywords
- hydrodynamic bearing
- dynamic pressure
- annular component
- electric motor
- mentioned
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 48
- 230000001050 lubricating effect Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 229910000838 Al alloy Inorganic materials 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910001052 bronze copper alloy Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 239000003921 oil Substances 0.000 description 1
- 230000010355 oscillation Effects 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
- 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
- F16C33/02—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
-
- 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
- G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
-
- 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)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002139584 | 2002-05-15 | ||
JP2002139584A JP3996436B2 (ja) | 2002-05-15 | 2002-05-15 | 動圧軸受モータ |
JP2002151311A JP4080243B2 (ja) | 2002-05-24 | 2002-05-24 | 流体動圧軸受モータ |
JP2002151311 | 2002-05-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1461091A true CN1461091A (zh) | 2003-12-10 |
CN1265532C CN1265532C (zh) | 2006-07-19 |
Family
ID=29714278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031314503A Expired - Fee Related CN1265532C (zh) | 2002-05-15 | 2003-05-15 | 动压轴承电动机 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6834996B2 (zh) |
CN (1) | CN1265532C (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101344118B (zh) * | 2004-07-09 | 2010-06-09 | 松下电器产业株式会社 | 动压流体轴承装置 |
CN103036347A (zh) * | 2011-09-30 | 2013-04-10 | 日本电产株式会社 | 马达以及盘驱动装置 |
CN103683780A (zh) * | 2012-08-31 | 2014-03-26 | 日本电产株式会社 | 马达以及盘驱动装置 |
CN110266168A (zh) * | 2019-07-02 | 2019-09-20 | 山东天瑞重工有限公司 | 一种外转子磁悬浮电机 |
CN110291701A (zh) * | 2017-02-07 | 2019-09-27 | 日本电产株式会社 | 马达 |
WO2022142323A1 (zh) * | 2020-12-28 | 2022-07-07 | 广州市浩洋电子股份有限公司 | 一种高精度旋转定位的舞台灯 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7134792B2 (en) * | 2002-11-05 | 2006-11-14 | Seagate Technology Llc | Single thrust-journal bearing cup fluid dynamic bearing motor |
CN100340049C (zh) * | 2003-11-14 | 2007-09-26 | 日本电产株式会社 | 马达及显示装置 |
JP2006017299A (ja) * | 2004-06-01 | 2006-01-19 | Minebea Co Ltd | 流体動圧軸受とこれを備えたスピンドルモータ及び記録ディスク駆動装置 |
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 |
US20060023981A1 (en) * | 2004-07-27 | 2006-02-02 | Nidec Corporation | Gas dynamic pressure bearing, motor having the gas dynamic pressure bearing, and disk drive having the motor |
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 |
JP2006118531A (ja) * | 2004-10-19 | 2006-05-11 | Nippon Densan Corp | 動圧軸受装置及びそれを用いたモータ並びにディスク駆動装置 |
JP4616632B2 (ja) * | 2004-12-16 | 2011-01-19 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 磁気ディスク装置 |
US20060152848A1 (en) * | 2005-01-13 | 2006-07-13 | Nidec Corporation | Recording disk driving motor and recording disk driving apparatus having the same |
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 |
JP2007113705A (ja) * | 2005-10-20 | 2007-05-10 | Minebea Co Ltd | 流体動圧軸受装置、モータおよびディスク記憶装置 |
KR100811201B1 (ko) * | 2006-02-24 | 2008-03-07 | (주)지엔더블유테크놀러지 | 유체동압베어링모터 |
DE102006013537B4 (de) * | 2006-03-24 | 2009-06-10 | Minebea Co., Ltd. | Spindelmotor mit fluiddynamischem 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 |
DE102007032673A1 (de) * | 2006-10-30 | 2008-05-08 | Minebea Co., Ltd., Miyota | Fluiddynamisches Lagersystem und Spindelmotor mit einem solchen Lagersystem |
DE102007009996B4 (de) * | 2007-03-01 | 2014-03-27 | Minebea Co., Ltd. | Elektromotor |
DE102007046247A1 (de) * | 2007-09-26 | 2009-04-09 | Minebea Co., Ltd. | Spindelmotor mit fluiddynamischem Lagersystem |
KR100970754B1 (ko) * | 2008-09-22 | 2010-07-16 | 삼성전기주식회사 | 모터 |
JP4826642B2 (ja) * | 2009-03-13 | 2011-11-30 | トヨタ自動車株式会社 | かしめ保持用ワーク、かしめ保持方法、かしめ保持構造及びかしめ加工装置 |
KR101046127B1 (ko) * | 2010-04-23 | 2011-07-01 | 삼성전기주식회사 | 모터 및 이를 탑재한 디스크 구동장치 |
DE102010048027A1 (de) | 2010-10-09 | 2012-04-12 | Minebea Co., Ltd. | Spindelmotor mit einem fluiddynamischen Lager mit Stopperfunktion |
US20120195773A1 (en) * | 2011-02-01 | 2012-08-02 | Hydroflo Pumps USA, Inc., | Sleeve bearing |
JP2012175838A (ja) * | 2011-02-22 | 2012-09-10 | Alphana Technology Co Ltd | 回転機器 |
DE102011014372A1 (de) * | 2011-03-17 | 2012-09-20 | Minebea Co., Ltd. | Spindelmotor mit fluiddynamischen Lagersystem |
KR20130017325A (ko) * | 2011-08-10 | 2013-02-20 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
JP2013204784A (ja) * | 2012-03-29 | 2013-10-07 | Nippon Densan Corp | 軸受装置および送風ファン |
US9016947B2 (en) * | 2013-06-21 | 2015-04-28 | Seagate Technology Llc | Grooved limiter |
JP6221035B2 (ja) * | 2013-07-05 | 2017-11-01 | 日本電産株式会社 | 軸受機構、モータおよび送風ファン |
CN114412915B (zh) * | 2022-03-30 | 2022-06-07 | 达州市卡雷亚数控机床有限公司 | 一种具有轴承和轴的传动装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08275447A (ja) * | 1995-03-31 | 1996-10-18 | Matsushita Electric Ind Co Ltd | 動圧軸受スピンドルモータ |
JPH099568A (ja) * | 1995-06-23 | 1997-01-10 | Matsushita Electric Ind Co Ltd | ディスク駆動装置 |
JP2000134881A (ja) | 1998-10-27 | 2000-05-12 | Sankyo Seiki Mfg Co Ltd | スピンドルモータ及びその製造方法 |
JP4215365B2 (ja) * | 1999-02-16 | 2009-01-28 | 株式会社日立グローバルストレージテクノロジーズ | スピンドルモータとそれを用いた磁気ディスク装置 |
JP4693948B2 (ja) | 1999-08-26 | 2011-06-01 | 日本電産株式会社 | 動圧軸受装置 |
JP2001178074A (ja) | 1999-12-09 | 2001-06-29 | Nippon Densan Corp | 動圧軸受モータ |
-
2003
- 2003-05-13 US US10/436,897 patent/US6834996B2/en not_active Expired - Lifetime
- 2003-05-15 CN CNB031314503A patent/CN1265532C/zh not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101344118B (zh) * | 2004-07-09 | 2010-06-09 | 松下电器产业株式会社 | 动压流体轴承装置 |
CN103036347A (zh) * | 2011-09-30 | 2013-04-10 | 日本电产株式会社 | 马达以及盘驱动装置 |
CN103036347B (zh) * | 2011-09-30 | 2015-03-25 | 日本电产株式会社 | 马达以及盘驱动装置 |
CN103683780A (zh) * | 2012-08-31 | 2014-03-26 | 日本电产株式会社 | 马达以及盘驱动装置 |
CN110291701A (zh) * | 2017-02-07 | 2019-09-27 | 日本电产株式会社 | 马达 |
CN110266168A (zh) * | 2019-07-02 | 2019-09-20 | 山东天瑞重工有限公司 | 一种外转子磁悬浮电机 |
WO2022142323A1 (zh) * | 2020-12-28 | 2022-07-07 | 广州市浩洋电子股份有限公司 | 一种高精度旋转定位的舞台灯 |
Also Published As
Publication number | Publication date |
---|---|
CN1265532C (zh) | 2006-07-19 |
US20040028300A1 (en) | 2004-02-12 |
US6834996B2 (en) | 2004-12-28 |
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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. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Japan, Suwa, Nagano Patentee after: Sankyo Seiki Seisakusho KK Address before: Japan, Suwa, Nagano Patentee before: Sankyo Seiki Manufacturing Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: NIDEC CORP. Free format text: FORMER OWNER: NIDEC SANKYO CORP. Effective date: 20080919 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080919 Address after: Tokyo, Japan, Japan Patentee after: Nippon Densan K. K. Address before: Japan, Suwa, Nagano Patentee before: Sankyo Seiki Seisakusho KK |
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CI01 | Publication of corrected invention patent application |
Correction item: Address of the patentee Correct: Kyoto Japan False: Tokyo, Japan, Japan Number: 43 Page: 1355 Volume: 24 |
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ERR | Gazette correction |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: TOKYO, JANPAN TO: KYOTO, JAPAN |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20210515 |
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CF01 | Termination of patent right due to non-payment of annual fee |