CN1295843C - 油动压轴承电动机、油动压轴承装置及其制造方法 - Google Patents
油动压轴承电动机、油动压轴承装置及其制造方法 Download PDFInfo
- Publication number
- CN1295843C CN1295843C CNB031311830A CN03131183A CN1295843C CN 1295843 C CN1295843 C CN 1295843C CN B031311830 A CNB031311830 A CN B031311830A CN 03131183 A CN03131183 A CN 03131183A CN 1295843 C CN1295843 C CN 1295843C
- Authority
- CN
- China
- Prior art keywords
- hydrodynamic bearing
- bearing member
- rotating shaft
- axial
- cover
- 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
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
- F16C33/72—Sealings
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
-
- 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
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
- F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
- F16C33/745—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by capillary action
-
- 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
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact bearings
-
- 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
- H02K5/1675—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 rotary shaft at only one end of the rotor
-
- 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)
- Power Engineering (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 (11)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002143597 | 2002-05-17 | ||
JP2002143597 | 2002-05-17 | ||
JP2002143582A JP4215453B2 (ja) | 2002-05-17 | 2002-05-17 | 動圧軸受装置 |
JP2002143582 | 2002-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1463066A CN1463066A (zh) | 2003-12-24 |
CN1295843C true CN1295843C (zh) | 2007-01-17 |
Family
ID=29781997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031311830A Expired - Fee Related CN1295843C (zh) | 2002-05-17 | 2003-05-16 | 油动压轴承电动机、油动压轴承装置及其制造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7059771B2 (zh) |
CN (1) | CN1295843C (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006022951A (ja) * | 2004-06-11 | 2006-01-26 | 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 |
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 |
JP4661200B2 (ja) * | 2004-12-13 | 2011-03-30 | 日本電産株式会社 | 潤滑流体の漏洩防止向上する部材の接合方法および該接合方法を用いたスピンドルモータおよび該スピンドルモータを用いた記録ディスク駆動装置 |
KR20070035757A (ko) * | 2005-09-28 | 2007-04-02 | 삼성전기주식회사 | 유체순환식 유체동압베어링 |
WO2007072775A1 (ja) * | 2005-12-22 | 2007-06-28 | Ntn Corporation | 流体軸受装置 |
DE102007032673A1 (de) * | 2006-10-30 | 2008-05-08 | Minebea Co., Ltd., Miyota | Fluiddynamisches Lagersystem und Spindelmotor mit einem solchen Lagersystem |
US7758246B2 (en) * | 2007-06-25 | 2010-07-20 | Seagate Technology, Llc | Air purging for a fluid dynamic bearing |
US8114276B2 (en) | 2007-10-24 | 2012-02-14 | Baxter International Inc. | Personal hemodialysis system |
JP5274820B2 (ja) * | 2007-12-07 | 2013-08-28 | Ntn株式会社 | 流体軸受装置 |
JP2011099518A (ja) * | 2009-11-06 | 2011-05-19 | Nippon Densan Corp | 流体動圧軸受、スピンドルモータ、及びディスク駆動装置 |
US8591113B2 (en) | 2008-07-08 | 2013-11-26 | Ntn Corporation | Fluid dynamic bearing device |
KR101026013B1 (ko) * | 2009-11-19 | 2011-03-30 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
KR101101485B1 (ko) * | 2010-08-25 | 2012-01-03 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리, 이를 구비하는 모터 및 이 모터를 탑재하는 기록 디스크 구동장치 |
JP6121446B2 (ja) * | 2012-12-25 | 2017-04-26 | イーグル工業株式会社 | 摺動部品 |
JP2014137088A (ja) * | 2013-01-16 | 2014-07-28 | Nippon Densan Corp | 軸受装置、モータおよび送風ファン |
US9016947B2 (en) * | 2013-06-21 | 2015-04-28 | Seagate Technology Llc | Grooved limiter |
CN112555288B (zh) * | 2020-12-11 | 2022-04-08 | 自贡兆强密封制品实业有限公司 | 一种磁性液体密封总成 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1186281A (zh) * | 1997-09-02 | 1998-07-01 | 杨振宁 | 双码防伪法 |
JP2001065552A (ja) * | 1999-08-26 | 2001-03-16 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2001178074A (ja) * | 1999-12-09 | 2001-06-29 | Nippon Densan Corp | 動圧軸受モータ |
CN1337770A (zh) * | 2000-08-07 | 2002-02-27 | 株式会社三协精机制作所 | 动压式轴承电动机及其制造方法 |
CN1393821A (zh) * | 2001-06-25 | 2003-01-29 | 柏智勇 | 双码有限对验防伪方法及其系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4271345B2 (ja) | 2000-06-06 | 2009-06-03 | ナブテスコ株式会社 | トラクションドライブ式駆動装置 |
-
2003
- 2003-05-15 US US10/439,274 patent/US7059771B2/en not_active Expired - Lifetime
- 2003-05-16 CN CNB031311830A patent/CN1295843C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1186281A (zh) * | 1997-09-02 | 1998-07-01 | 杨振宁 | 双码防伪法 |
JP2001065552A (ja) * | 1999-08-26 | 2001-03-16 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2001178074A (ja) * | 1999-12-09 | 2001-06-29 | Nippon Densan Corp | 動圧軸受モータ |
CN1337770A (zh) * | 2000-08-07 | 2002-02-27 | 株式会社三协精机制作所 | 动压式轴承电动机及其制造方法 |
CN1393821A (zh) * | 2001-06-25 | 2003-01-29 | 柏智勇 | 双码有限对验防伪方法及其系统 |
Also Published As
Publication number | Publication date |
---|---|
US7059771B2 (en) | 2006-06-13 |
CN1463066A (zh) | 2003-12-24 |
US20040013331A1 (en) | 2004-01-22 |
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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. |
|
ASS | Succession or assignment of patent right |
Owner name: NIDEC CORP. Free format text: FORMER OWNER: NIDEC SANKYO CORP. Effective date: 20080912 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080912 Address after: Kyoto Japan Patentee after: Nippon Densan K. K. Address before: Japan, Suwa, Nagano Patentee before: Sankyo Seiki Seisakusho KK |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20200516 |
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CF01 | Termination of patent right due to non-payment of annual fee |