JPH0143847B2 - - Google Patents

Info

Publication number
JPH0143847B2
JPH0143847B2 JP11958082A JP11958082A JPH0143847B2 JP H0143847 B2 JPH0143847 B2 JP H0143847B2 JP 11958082 A JP11958082 A JP 11958082A JP 11958082 A JP11958082 A JP 11958082A JP H0143847 B2 JPH0143847 B2 JP H0143847B2
Authority
JP
Japan
Prior art keywords
thrust bearing
thrust
bearing member
groove
shaft body
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
Application number
JP11958082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5913113A (ja
Inventor
Hiromi Sugi
Kyosaburo Furumura
Hiromitsu Asai
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.)
NSK Ltd
Original Assignee
NSK Ltd
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 NSK Ltd filed Critical NSK Ltd
Priority to JP11958082A priority Critical patent/JPS5913113A/ja
Publication of JPS5913113A publication Critical patent/JPS5913113A/ja
Publication of JPH0143847B2 publication Critical patent/JPH0143847B2/ja
Granted 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
    • F16C33/02—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
JP11958082A 1982-07-09 1982-07-09 動圧形スラスト軸受 Granted JPS5913113A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11958082A JPS5913113A (ja) 1982-07-09 1982-07-09 動圧形スラスト軸受

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11958082A JPS5913113A (ja) 1982-07-09 1982-07-09 動圧形スラスト軸受

Publications (2)

Publication Number Publication Date
JPS5913113A JPS5913113A (ja) 1984-01-23
JPH0143847B2 true JPH0143847B2 (de) 1989-09-22

Family

ID=14764869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11958082A Granted JPS5913113A (ja) 1982-07-09 1982-07-09 動圧形スラスト軸受

Country Status (1)

Country Link
JP (1) JPS5913113A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62194021A (ja) * 1986-02-17 1987-08-26 Ebara Res Co Ltd スパイラルグル−ブ軸受
JPH01238712A (ja) * 1988-03-16 1989-09-22 Canon Inc 回転装置
JPH085369Y2 (ja) * 1988-06-27 1996-02-14 光洋精工株式会社 スラスト動圧流体軸受
DE3900729A1 (de) * 1989-01-12 1990-07-19 Philips Patentverwaltung Drehanoden-roentgenroehre mit einem gleitlager, insbesondere einem spiralrillenlager
KR100467363B1 (ko) * 2001-04-16 2005-01-24 머신나우 주식회사 판스프링 미끄럼 베어링
JP4846470B2 (ja) * 2005-07-20 2011-12-28 Ｎｔｎ株式会社 動圧軸受装置およびこれを備えたモータ

Also Published As

Publication number Publication date
JPS5913113A (ja) 1984-01-23

Similar Documents

Publication Publication Date Title
US6456458B1 (en) Disk-drive motor rotating on a magnetically counterbalanced single hydrodynamic thrust bearing
US6034454A (en) Motor
US5847479A (en) Self-pressure-balanced hydrodynamic bearing spindle motor
JP3665549B2 (ja) スラスト動圧軸受及びこれを備えたスピンドルモータ
US5634724A (en) Hydrodynamic bearing for spindle motor having high inertial load
US6793394B2 (en) Hydrodynamic bearing device
US6854889B2 (en) Hydrodynamic pressure bearing, spindle motor in which it is utilized, and disk-drive device furnished with the spindle motor
US7048444B2 (en) Fluid lubricated bearing device
US20060039636A1 (en) Fluid dynamic bearing motor attached at both shaft ends
US7604411B2 (en) Fluid lubricated bearing device
US20030002757A1 (en) Dynamic bearing device and motor having the same
US20080187258A1 (en) Fluid lubricated bearing device
US7524113B2 (en) Hydrodynamic bearing device
JP2004270820A (ja) 流体動圧軸受、スピンドルモータ及び記録ディスクドライブ装置
US7940492B2 (en) Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus
CN100359195C (zh) 流体轴承装置及使用它的碟片旋转装置
JPH0143847B2 (de)
US7237956B2 (en) Hydrodynamic bearing and disc rotation apparatus using the same
JP2006112614A (ja) 動圧軸受装置
JPH033805B2 (de)
JP3842499B2 (ja) 動圧型軸受ユニット
JP2000352416A (ja) 動圧型軸受ユニットおよびその製造方法
KR100517085B1 (ko) 유체동압 베어링 모터
JP3828464B2 (ja) スピンドルモータ及びこれを備えたディスク駆動装置
JPH10299763A (ja) 動圧ベアリング用スピンドルモータ