CN1095948C - 用于盘驱动器的主轴电动机的液压轴承及制造方法 - Google Patents
用于盘驱动器的主轴电动机的液压轴承及制造方法 Download PDFInfo
- Publication number
- CN1095948C CN1095948C CN98122694A CN98122694A CN1095948C CN 1095948 C CN1095948 C CN 1095948C CN 98122694 A CN98122694 A CN 98122694A CN 98122694 A CN98122694 A CN 98122694A CN 1095948 C CN1095948 C CN 1095948C
- Authority
- CN
- China
- Prior art keywords
- bearing
- plate
- sleeve
- shaft
- rotating shaft
- 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 title abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000004593 Epoxy Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000004888 barrier function Effects 0.000 abstract 2
- 238000009792 diffusion process Methods 0.000 abstract 2
- 230000003116 impacting effect Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
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- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- 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
-
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Rotational Drive Of Disk (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US987823 | 1997-12-10 | ||
US08/987,823 US5957589A (en) | 1997-12-10 | 1997-12-10 | Fluid bearing seal and support structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1219655A CN1219655A (zh) | 1999-06-16 |
CN1095948C true CN1095948C (zh) | 2002-12-11 |
Family
ID=25533600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98122694A Expired - Fee Related CN1095948C (zh) | 1997-12-10 | 1998-11-25 | 用于盘驱动器的主轴电动机的液压轴承及制造方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US5957589A (zh) |
EP (1) | EP0922871B1 (zh) |
JP (1) | JPH11287240A (zh) |
KR (1) | KR100318126B1 (zh) |
CN (1) | CN1095948C (zh) |
DE (1) | DE69828678T2 (zh) |
MY (1) | MY122096A (zh) |
SG (1) | SG70136A1 (zh) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6663287B2 (en) * | 1999-12-27 | 2003-12-16 | Sankyo Seiki Mfg. Co., Ltd. | Thrust dynamic pressure bearing apparatus and method for manufacturing the same |
US6388351B1 (en) | 1999-12-30 | 2002-05-14 | General Electric Company | Bearing load washer |
US6809898B1 (en) * | 2000-01-13 | 2004-10-26 | Maxtor Corporation | Disk drive rocking mode vibration damper |
JP3931207B2 (ja) * | 2000-05-10 | 2007-06-13 | 日本電産株式会社 | 流体軸受装置 |
US6876114B2 (en) * | 2000-12-13 | 2005-04-05 | Seagate Technology Llc | Apparatus for reducing spindle motor magnetic drag |
JP2002349553A (ja) * | 2001-05-31 | 2002-12-04 | Matsushita Electric Ind Co Ltd | 流体軸受装置 |
CN101255892B (zh) * | 2001-11-13 | 2011-11-16 | Ntn株式会社 | 流体轴承装置 |
JP2003169439A (ja) * | 2001-12-03 | 2003-06-13 | Hitachi Ltd | スピンドルモータとその製造方法 |
US6746151B2 (en) | 2002-01-14 | 2004-06-08 | Seagate Technology Llc | Parallel capillary seal for a disk drive |
US7262935B2 (en) * | 2002-11-07 | 2007-08-28 | Seagate Technology Llc | Top cover attached single plate fluid dynamic bearing motor |
US7131770B2 (en) * | 2003-07-18 | 2006-11-07 | Minebea Co., Ltd. | Hydro fill controlling shield and sleeve for a hydrodynamic bearing |
WO2005083280A1 (en) * | 2004-02-09 | 2005-09-09 | Minebea Co., Ltd. | Fluid dynamic bearing mechanism for a motor |
US8181348B2 (en) * | 2004-04-01 | 2012-05-22 | Seagate Technology Llc | Shielding fluid reservoirs of fluid dynamic bearing motors |
US7736061B2 (en) * | 2004-06-11 | 2010-06-15 | Seiko Instruments Inc. | Fluid dynamic bearing motor, and recording-medium driving apparatus |
US20080211334A1 (en) * | 2004-07-09 | 2008-09-04 | Yasunori Tokuno | Spindle motor |
JP2006022931A (ja) * | 2004-07-09 | 2006-01-26 | Matsushita Electric Ind Co Ltd | スピンドルモータ |
JP2006064171A (ja) * | 2004-07-28 | 2006-03-09 | Minebea Co Ltd | 流体動圧軸受、該流体動圧軸受を備えたスピンドルモータ並びに記録ディスク駆動装置 |
TWI259321B (en) * | 2004-12-21 | 2006-08-01 | Prodisc Technology Inc | Color wheel and motor thereof |
KR100630362B1 (ko) * | 2005-01-11 | 2006-10-04 | 한국서부발전 주식회사 | 발전기 케이싱의 가스누설 방지구조 |
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 |
US7088023B1 (en) * | 2005-04-22 | 2006-08-08 | Nidec Corporation | Motor unit, manufacturing method therefor and recording disk driving apparatus |
CN100412398C (zh) * | 2005-09-30 | 2008-08-20 | 富准精密工业(深圳)有限公司 | 流体轴承模组 |
KR100867032B1 (ko) * | 2007-01-23 | 2008-11-04 | 삼성전기주식회사 | 스핀들모터 |
US20080310049A1 (en) * | 2007-06-12 | 2008-12-18 | Jr-Yi Shen | Fluid dyamic bearing with novel air-gap |
US8194347B2 (en) | 2007-08-30 | 2012-06-05 | Hitachi Global Storage Technologies, Netherlands B.V. | Designed roughness and surface treatments for capillary buffer of fluid dynamic bearings |
US8353630B2 (en) * | 2007-10-09 | 2013-01-15 | Hgst, Netherlands B.V. | Fluid dynamic bearing with a labyrinth seal |
US8174788B2 (en) * | 2008-01-28 | 2012-05-08 | Hitachi Global Storage Technologies, Netherlands B.V. | Motor mount for interference suppression in a hard disk drive |
US8619388B2 (en) * | 2008-04-22 | 2013-12-31 | HGST Netherlands B.V. | Fluid dynamic bearing with an immiscible fluid barrier |
KR101009153B1 (ko) * | 2008-12-19 | 2011-01-18 | 삼성전기주식회사 | 스핀들모터 |
KR101022891B1 (ko) * | 2009-02-13 | 2011-03-16 | 삼성전기주식회사 | 스핀들모터 |
KR101070723B1 (ko) | 2009-11-27 | 2011-10-07 | 유신전기공업주식회사 | 모터 |
JPWO2011158461A1 (ja) * | 2010-06-14 | 2013-08-19 | パナソニック株式会社 | モータおよびこのモータを用いた車載用空調装置 |
KR101350601B1 (ko) * | 2011-11-28 | 2014-01-16 | 삼성전기주식회사 | 스핀들 모터 |
KR20130088355A (ko) * | 2012-01-31 | 2013-08-08 | 삼성전기주식회사 | 스핀들 모터 |
JP2014173655A (ja) * | 2013-03-08 | 2014-09-22 | Samsung Electromechanics Japan Advanced Technology Co Ltd | ディスク駆動装置 |
DE102016206356A1 (de) * | 2016-04-15 | 2017-10-19 | Robert Bosch Gmbh | Gehäusebauteil mit einer Hydraulikleitung und deren Herstellung |
DE102017216066B4 (de) * | 2017-09-12 | 2020-12-17 | Audi Ag | Elektromotor mit mindestens einem Kühlmittelkanal |
CN109474109B (zh) * | 2019-01-11 | 2024-03-29 | 苏州优德通力科技有限公司 | 一种密封型外转子电机结构 |
JP2022036597A (ja) * | 2020-08-24 | 2022-03-08 | 日本電産株式会社 | モータ、および駆動装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09217736A (ja) * | 1996-02-09 | 1997-08-19 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4332428A (en) * | 1979-01-16 | 1982-06-01 | Matsushita Electric Industrial Co., Ltd. | Rotary mechanism with axial bearings |
US4694213A (en) * | 1986-11-21 | 1987-09-15 | Ferrofluidics Corporation | Ferrofluid seal for a stationary shaft and a rotating hub |
JPH0776569B2 (ja) * | 1986-12-26 | 1995-08-16 | 松下電器産業株式会社 | 動圧型流体軸受装置 |
JPS63167113A (ja) * | 1986-12-26 | 1988-07-11 | Matsushita Electric Ind Co Ltd | 動圧型流体軸受装置 |
JPH073246B2 (ja) * | 1986-12-26 | 1995-01-18 | 松下電器産業株式会社 | 動圧型流体軸受装置 |
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 |
US4998033A (en) * | 1989-04-12 | 1991-03-05 | Ebara Corporation | Gas dynamic bearing for spindle motor |
JPH0335469A (ja) * | 1989-06-30 | 1991-02-15 | Matsushita Electric Ind Co Ltd | ディスク駆動装置 |
DE69003619T2 (de) * | 1989-07-24 | 1994-04-28 | Ebara Corp | Spindelmotor. |
EP0412509A3 (en) * | 1989-08-11 | 1992-02-26 | Ebara Corporation | Bearing structure |
US5559382A (en) * | 1992-10-01 | 1996-09-24 | Nidec Corporation | Spindle motor |
BE1007463A3 (nl) * | 1993-09-02 | 1995-07-04 | Philips Electronics Nv | Ondersteuningsinrichting met een uniform afdichtende sluitstukbevestiging, alsmede data-opslageenheid voorzien van een dergelijke ondersteuningsinrichting. |
US5427456A (en) * | 1994-04-12 | 1995-06-27 | Synektron Corporation | Fluid bearing with asymmetrical groove pattern |
JPH084769A (ja) * | 1994-06-14 | 1996-01-09 | Sankyo Seiki Mfg Co Ltd | 流体軸受装置 |
US5558443A (en) * | 1994-07-22 | 1996-09-24 | Quantum Corporation | Shaft seal for hydrodynamic bearing unit |
US5433529A (en) * | 1994-08-02 | 1995-07-18 | Synektron Corporation | Fluid bearing construction employing thrust plate with pressure compensation ports |
US5533811A (en) * | 1995-02-14 | 1996-07-09 | Quantum Corporation | Hydrodynamic bearing having inverted surface tension seals |
US5536088A (en) * | 1995-06-07 | 1996-07-16 | Synektron Corporation | Fluid bearings for electronic spindle motors |
US5634724A (en) * | 1995-08-25 | 1997-06-03 | Quantum Corporation | Hydrodynamic bearing for spindle motor having high inertial load |
US5743656A (en) * | 1995-08-26 | 1998-04-28 | Sankyo Seiki Mfg. Co. Ltd. | Hydrodynamic bearing apparatus and method for manufacturing same |
JP3130457B2 (ja) * | 1995-08-26 | 2001-01-31 | 株式会社三協精機製作所 | 流体軸受装置の製造方法 |
US5516212A (en) * | 1995-09-18 | 1996-05-14 | Western Digital Corporation | Hydrodynamic bearing with controlled lubricant pressure distribution |
US5806987A (en) * | 1996-02-07 | 1998-09-15 | Sankyo Seiki Mfg. Co., Ltd. | Hydrodynamic bearing apparatus |
-
1997
- 1997-12-10 US US08/987,823 patent/US5957589A/en not_active Expired - Lifetime
-
1998
- 1998-10-27 EP EP98308805A patent/EP0922871B1/en not_active Expired - Lifetime
- 1998-10-27 DE DE69828678T patent/DE69828678T2/de not_active Expired - Fee Related
- 1998-10-28 MY MYPI98004918A patent/MY122096A/en unknown
- 1998-11-03 KR KR1019980046998A patent/KR100318126B1/ko not_active IP Right Cessation
- 1998-11-23 SG SG1998004927A patent/SG70136A1/en unknown
- 1998-11-25 CN CN98122694A patent/CN1095948C/zh not_active Expired - Fee Related
- 1998-12-09 JP JP10350199A patent/JPH11287240A/ja active Pending
-
1999
- 1999-05-18 US US09/314,486 patent/US6339515B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09217736A (ja) * | 1996-02-09 | 1997-08-19 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH11287240A (ja) | 1999-10-19 |
EP0922871A1 (en) | 1999-06-16 |
SG70136A1 (en) | 2000-01-25 |
KR19990062551A (ko) | 1999-07-26 |
CN1219655A (zh) | 1999-06-16 |
DE69828678D1 (de) | 2005-02-24 |
US20010053042A1 (en) | 2001-12-20 |
US5957589A (en) | 1999-09-28 |
MY122096A (en) | 2006-03-31 |
EP0922871B1 (en) | 2005-01-19 |
US6339515B2 (en) | 2002-01-15 |
KR100318126B1 (ko) | 2002-02-19 |
DE69828678T2 (de) | 2006-05-04 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GST Free format text: FORMER OWNER: INTERNATIONAL BUSINESS MACHINE CORP. Effective date: 20040108 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040108 Address after: Amsterdam Patentee after: Hitachi Global Storage Tech Address before: American New York Patentee before: International Business Machines Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021211 Termination date: 20171125 |