JP2002168250A - 流体動圧軸受 - Google Patents

流体動圧軸受

Info

Publication number
JP2002168250A
JP2002168250A JP2000365596A JP2000365596A JP2002168250A JP 2002168250 A JP2002168250 A JP 2002168250A JP 2000365596 A JP2000365596 A JP 2000365596A JP 2000365596 A JP2000365596 A JP 2000365596A JP 2002168250 A JP2002168250 A JP 2002168250A
Authority
JP
Japan
Prior art keywords
diameter
bearing
fluid
shaft
ring
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.)
Withdrawn
Application number
JP2000365596A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002168250A5 (enExample
Inventor
Shinji Kinoshita
伸治 木下
Toru Kumagai
徹 熊谷
Hiromitsu Goto
廣光 後藤
Yukihiro Nakayama
幸博 中山
Kazuhiro Tazawa
千浩 田澤
Mitsuharu Iwamoto
充晴 岩本
Ryoji Yoneyama
良治 米山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP2000365596A priority Critical patent/JP2002168250A/ja
Publication of JP2002168250A publication Critical patent/JP2002168250A/ja
Publication of JP2002168250A5 publication Critical patent/JP2002168250A5/ja
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
JP2000365596A 2000-11-30 2000-11-30 流体動圧軸受 Withdrawn JP2002168250A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000365596A JP2002168250A (ja) 2000-11-30 2000-11-30 流体動圧軸受

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000365596A JP2002168250A (ja) 2000-11-30 2000-11-30 流体動圧軸受

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP2007224486A Division JP2007327649A (ja) 2007-08-30 2007-08-30 流体動圧軸受
JP2007224487A Division JP2007309528A (ja) 2007-08-30 2007-08-30 流体動圧軸受
JP2007224485A Division JP2007327648A (ja) 2007-08-30 2007-08-30 流体動圧軸受

Publications (2)

Publication Number Publication Date
JP2002168250A true JP2002168250A (ja) 2002-06-14
JP2002168250A5 JP2002168250A5 (enExample) 2007-10-11

Family

ID=18836340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000365596A Withdrawn JP2002168250A (ja) 2000-11-30 2000-11-30 流体動圧軸受

Country Status (1)

Country Link
JP (1) JP2002168250A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7118278B2 (en) 2003-06-12 2006-10-10 Nidec Corporation Hydrodynamic bearing, manufacturing method of hydrodynamic bearing, spindle motor provided with hydrodynamic bearing and disk drive device provided with this spindle motor
KR100733231B1 (ko) 2005-12-19 2007-06-27 삼성전기주식회사 유체동압베어링
WO2012144288A1 (ja) 2011-04-18 2012-10-26 Ntn株式会社 流体動圧軸受装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7118278B2 (en) 2003-06-12 2006-10-10 Nidec Corporation Hydrodynamic bearing, manufacturing method of hydrodynamic bearing, spindle motor provided with hydrodynamic bearing and disk drive device provided with this spindle motor
KR100733231B1 (ko) 2005-12-19 2007-06-27 삼성전기주식회사 유체동압베어링
WO2012144288A1 (ja) 2011-04-18 2012-10-26 Ntn株式会社 流体動圧軸受装置

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