DE69120191D1 - Dynamische Drucklagervorrichtung - Google Patents

Dynamische Drucklagervorrichtung

Info

Publication number
DE69120191D1
DE69120191D1 DE69120191T DE69120191T DE69120191D1 DE 69120191 D1 DE69120191 D1 DE 69120191D1 DE 69120191 T DE69120191 T DE 69120191T DE 69120191 T DE69120191 T DE 69120191T DE 69120191 D1 DE69120191 D1 DE 69120191D1
Authority
DE
Germany
Prior art keywords
thrust bearing
bearing device
dynamic thrust
dynamic
thrust
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
Application number
DE69120191T
Other languages
English (en)
Other versions
DE69120191T2 (de
Inventor
Toru Kameyama
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69120191D1 publication Critical patent/DE69120191D1/de
Publication of DE69120191T2 publication Critical patent/DE69120191T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
DE1991620191 1990-10-04 1991-09-30 Dynamische Drucklagervorrichtung Expired - Fee Related DE69120191T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26508790A JPH04145215A (ja) 1990-10-04 1990-10-04 動圧軸受装置

Publications (2)

Publication Number Publication Date
DE69120191D1 true DE69120191D1 (de) 1996-07-18
DE69120191T2 DE69120191T2 (de) 1996-11-07

Family

ID=17412418

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991620191 Expired - Fee Related DE69120191T2 (de) 1990-10-04 1991-09-30 Dynamische Drucklagervorrichtung

Country Status (4)

Country Link
EP (1) EP0479540B1 (de)
JP (1) JPH04145215A (de)
KR (1) KR0132415B1 (de)
DE (1) DE69120191T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3126880B2 (ja) * 1994-08-03 2001-01-22 ミネベア株式会社 モータの軸受装置
KR19980030901A (ko) * 1996-10-30 1998-07-25 김광호 가변 간극을 갖는 드러스트 베어링 장치
CN100422583C (zh) * 2003-04-24 2008-10-01 松下电器产业株式会社 流体轴承装置及磁盘旋转装置
WO2004094848A1 (ja) 2003-04-24 2004-11-04 Matsushita Electric Industrial Co., Ltd. 流体軸受装置及びディスク回転装置
DE102006005604B4 (de) * 2006-02-06 2007-11-22 Minebea Co., Ltd. Fluiddynamisches Lagersystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029667B1 (de) * 1979-11-22 1983-12-28 Smiths Industries Public Limited Company Gasgeschmierte Lager und Verfahren zur Herstellung
US4557610A (en) * 1982-09-02 1985-12-10 Matsushita Electric Industrial Co., Ltd. Dynamic pressure type fluid bearing device
EP0349260B1 (de) * 1988-06-28 1995-02-22 Canon Kabushiki Kaisha Hydrodynamisches Lager

Also Published As

Publication number Publication date
DE69120191T2 (de) 1996-11-07
KR0132415B1 (en) 1998-04-11
EP0479540A3 (en) 1992-06-03
JPH04145215A (ja) 1992-05-19
EP0479540B1 (de) 1996-06-12
EP0479540A2 (de) 1992-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee