WO2009025202A1 - Dispositif de palier fluide - Google Patents
Dispositif de palier fluide Download PDFInfo
- Publication number
- WO2009025202A1 WO2009025202A1 PCT/JP2008/064446 JP2008064446W WO2009025202A1 WO 2009025202 A1 WO2009025202 A1 WO 2009025202A1 JP 2008064446 W JP2008064446 W JP 2008064446W WO 2009025202 A1 WO2009025202 A1 WO 2009025202A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing device
- fluid bearing
- shaft
- flange portion
- shaft member
- Prior art date
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
-
- 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
- F16C43/00—Assembling bearings
- F16C43/02—Assembling 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/30—Material joints
- F16C2226/36—Material joints by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Plasma & Fusion (AREA)
- Sliding-Contact Bearings (AREA)
- Laser Beam Processing (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/670,437 US8297844B2 (en) | 2007-08-20 | 2008-08-12 | Fluid dynamic bearing device |
CN200880102673.0A CN101779047B (zh) | 2007-08-20 | 2008-08-12 | 流体轴承装置 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007213706 | 2007-08-20 | ||
JP2007-213706 | 2007-08-20 | ||
JP2007-224257 | 2007-08-30 | ||
JP2007224257A JP2009058006A (ja) | 2007-08-30 | 2007-08-30 | 流体軸受装置用軸部材 |
JP2008-156740 | 2008-06-16 | ||
JP2008156740A JP5274902B2 (ja) | 2007-08-20 | 2008-06-16 | 流体軸受装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009025202A1 true WO2009025202A1 (fr) | 2009-02-26 |
Family
ID=40378108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/064446 WO2009025202A1 (fr) | 2007-08-20 | 2008-08-12 | Dispositif de palier fluide |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2009025202A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010236667A (ja) * | 2009-03-31 | 2010-10-21 | Ntn Corp | 流体軸受装置およびその製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000324753A (ja) * | 1999-04-28 | 2000-11-24 | Sankyo Seiki Mfg Co Ltd | スピンドルモータ |
JP2003056567A (ja) * | 2001-08-15 | 2003-02-26 | Nippon Densan Corp | 動圧軸受モータのシャフト部の製造方法 |
JP2004340368A (ja) * | 2003-04-22 | 2004-12-02 | Nippon Densan Corp | 動圧軸受及びその製造方法、動圧軸受用軸部材の製造装置、スピンドルモータ並びに記録ディスク駆動装置 |
-
2008
- 2008-08-12 WO PCT/JP2008/064446 patent/WO2009025202A1/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000324753A (ja) * | 1999-04-28 | 2000-11-24 | Sankyo Seiki Mfg Co Ltd | スピンドルモータ |
JP2003056567A (ja) * | 2001-08-15 | 2003-02-26 | Nippon Densan Corp | 動圧軸受モータのシャフト部の製造方法 |
JP2004340368A (ja) * | 2003-04-22 | 2004-12-02 | Nippon Densan Corp | 動圧軸受及びその製造方法、動圧軸受用軸部材の製造装置、スピンドルモータ並びに記録ディスク駆動装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010236667A (ja) * | 2009-03-31 | 2010-10-21 | Ntn Corp | 流体軸受装置およびその製造方法 |
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