CN101915270B - 流体轴承式旋转装置以及信息装置 - Google Patents
流体轴承式旋转装置以及信息装置 Download PDFInfo
- Publication number
- CN101915270B CN101915270B CN201010283464.XA CN201010283464A CN101915270B CN 101915270 B CN101915270 B CN 101915270B CN 201010283464 A CN201010283464 A CN 201010283464A CN 101915270 B CN101915270 B CN 101915270B
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- type rotary
- rotary device
- gap
- hydrodynamic bearing
- 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.)
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Classifications
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- 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
- F16C33/102—Construction relative to lubrication with grease as lubricant
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- 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
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- 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
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- 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
-
- 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
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-076327 | 2006-03-20 | ||
JP2006076327A JP2007252168A (ja) | 2006-03-20 | 2006-03-20 | 流体軸受式回転装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710088565.XA Division CN101042157B (zh) | 2006-03-20 | 2007-03-16 | 流体轴承式旋转装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101915270A CN101915270A (zh) | 2010-12-15 |
CN101915270B true CN101915270B (zh) | 2012-09-12 |
Family
ID=38517914
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710088565.XA Active CN101042157B (zh) | 2006-03-20 | 2007-03-16 | 流体轴承式旋转装置 |
CN201010283464.XA Active CN101915270B (zh) | 2006-03-20 | 2007-03-16 | 流体轴承式旋转装置以及信息装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710088565.XA Active CN101042157B (zh) | 2006-03-20 | 2007-03-16 | 流体轴承式旋转装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7674043B2 (zh) |
JP (1) | JP2007252168A (zh) |
CN (2) | CN101042157B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007333134A (ja) * | 2006-06-16 | 2007-12-27 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
JP2009201309A (ja) * | 2008-02-25 | 2009-09-03 | Nippon Densan Corp | モータおよび記録ディスク駆動装置 |
KR101039332B1 (ko) * | 2009-06-11 | 2011-06-08 | 삼성전기주식회사 | 모터 |
CN103415716B (zh) * | 2011-03-09 | 2016-06-08 | Ntn株式会社 | 流体动压轴承装置 |
DE102011018626A1 (de) * | 2011-04-21 | 2012-10-25 | Minebea Co., Ltd. | Lagerrillenstruktur für eine Lagerfläche eines fluiddynamischen Lagers |
DE102012020228A1 (de) * | 2012-10-16 | 2014-04-17 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem |
JP2014085006A (ja) * | 2012-10-26 | 2014-05-12 | Ihi Corp | スラスト軸受 |
TWI509161B (zh) * | 2014-03-24 | 2015-11-21 | Tung Pei Ind Co Ltd | 用於承載散熱風扇的動壓軸承結構及其組裝方法 |
JP5784777B2 (ja) * | 2014-03-25 | 2015-09-24 | Ntn株式会社 | 流体動圧軸受装置 |
JP2014187871A (ja) * | 2014-04-23 | 2014-10-02 | Samsung Electromechanics Japan Advanced Technology Co Ltd | ディスク駆動装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1462840A (zh) * | 2002-05-27 | 2003-12-24 | 株式会社三协精机制作所 | 油动压轴承装置及轴回转型电机 |
CN1576623A (zh) * | 2003-07-22 | 2005-02-09 | 日本电产株式会社 | 液体动压轴承、主轴电机、转子组件的制造方法,记录盘驱动装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000113582A (ja) | 1998-10-02 | 2000-04-21 | Nippon Densan Corp | 記録ディスク駆動装置 |
JP2002369438A (ja) * | 2001-06-08 | 2002-12-20 | Matsushita Electric Ind Co Ltd | スピンドルモータ及びその組立方法 |
JP2005045876A (ja) | 2003-07-23 | 2005-02-17 | Nippon Densan Corp | スピンドルモータ及びこれを用いた情報記録再生装置 |
CN1957516B (zh) | 2004-05-25 | 2010-10-13 | Ntn株式会社 | 流体动力轴承设备和使用其的电动机 |
JP2006017153A (ja) * | 2004-06-30 | 2006-01-19 | Victor Co Of Japan Ltd | スピンドルモータ |
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 |
JP4531584B2 (ja) * | 2005-02-17 | 2010-08-25 | Ntn株式会社 | 流体動圧軸受装置およびこれを備えたモータ |
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2006
- 2006-03-20 JP JP2006076327A patent/JP2007252168A/ja active Pending
-
2007
- 2007-03-16 CN CN200710088565.XA patent/CN101042157B/zh active Active
- 2007-03-16 CN CN201010283464.XA patent/CN101915270B/zh active Active
- 2007-03-19 US US11/723,316 patent/US7674043B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1462840A (zh) * | 2002-05-27 | 2003-12-24 | 株式会社三协精机制作所 | 油动压轴承装置及轴回转型电机 |
CN1576623A (zh) * | 2003-07-22 | 2005-02-09 | 日本电产株式会社 | 液体动压轴承、主轴电机、转子组件的制造方法,记录盘驱动装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007252168A (ja) | 2007-09-27 |
CN101042157B (zh) | 2010-11-10 |
US7674043B2 (en) | 2010-03-09 |
CN101042157A (zh) | 2007-09-26 |
US20070217721A1 (en) | 2007-09-20 |
CN101915270A (zh) | 2010-12-15 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140514 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140514 Address after: Japan Ehime Prefecture Patentee after: Panasonic Healthcare Co., Ltd Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE HOLDINGS CO., LTD. Free format text: FORMER OWNER: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Effective date: 20150407 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150407 Address after: Tokyo, Japan Patentee after: Panasonic's health medical treatment is controlled interest Co., Ltd. Address before: Japan Ehime Prefecture Patentee before: Panasonic Healthcare Co., Ltd |
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CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Pu Hei holding company Address before: Tokyo, Japan Patentee before: Panasonic's health medical treatment is controlled interest Co., Ltd. |
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CP01 | Change in the name or title of a patent holder |