JP2525045Y2 - 動圧軸受 - Google Patents

動圧軸受

Info

Publication number
JP2525045Y2
JP2525045Y2 JP1990007367U JP736790U JP2525045Y2 JP 2525045 Y2 JP2525045 Y2 JP 2525045Y2 JP 1990007367 U JP1990007367 U JP 1990007367U JP 736790 U JP736790 U JP 736790U JP 2525045 Y2 JP2525045 Y2 JP 2525045Y2
Authority
JP
Japan
Prior art keywords
sleeve
magnet
hole
shaft
dynamic pressure
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 - Lifetime
Application number
JP1990007367U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0398323U (en, 2012
Inventor
政良 大西
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.)
Koyo Seiko Co Ltd
Original Assignee
Koyo Seiko Co 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 Koyo Seiko Co Ltd filed Critical Koyo Seiko Co Ltd
Priority to JP1990007367U priority Critical patent/JP2525045Y2/ja
Publication of JPH0398323U publication Critical patent/JPH0398323U/ja
Application granted granted Critical
Publication of JP2525045Y2 publication Critical patent/JP2525045Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/0408Passive magnetic bearings
    • F16C32/0423Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0427Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00Sliding-contact bearings for exclusively rotary movement
    • F16C17/02Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0402Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
JP1990007367U 1990-01-29 1990-01-29 動圧軸受 Expired - Lifetime JP2525045Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990007367U JP2525045Y2 (ja) 1990-01-29 1990-01-29 動圧軸受

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990007367U JP2525045Y2 (ja) 1990-01-29 1990-01-29 動圧軸受

Publications (2)

Publication Number Publication Date
JPH0398323U JPH0398323U (en, 2012) 1991-10-11
JP2525045Y2 true JP2525045Y2 (ja) 1997-02-05

Family

ID=31511025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990007367U Expired - Lifetime JP2525045Y2 (ja) 1990-01-29 1990-01-29 動圧軸受

Country Status (1)

Country Link
JP (1) JP2525045Y2 (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163219U (ja) * 1983-04-19 1984-11-01 日本精工株式会社 動圧流体軸受
JPS6314218U (en, 2012) * 1986-07-15 1988-01-29

Also Published As

Publication number Publication date
JPH0398323U (en, 2012) 1991-10-11

Similar Documents

Publication Publication Date Title
JP2000324753A (ja) スピンドルモータ
JP2525045Y2 (ja) 動圧軸受
JP3453046B2 (ja) 動圧軸受型モータ
JPS58176571U (ja) 光偏向用モ−タ
JPH06235421A (ja) スピンドルモ−タ
JPS63177325U (en, 2012)
JP2551063Y2 (ja) 軸受装置
JP2521074Y2 (ja) 動圧軸受装置
JP2560507Y2 (ja) 動圧軸受装置
JPH03213715A (ja) スラスト軸受
JPH05141411A (ja) 動圧流体軸受回転装置
JPH0573317U (ja) 動圧軸受
JPH01113552U (en, 2012)
JPS62202526U (en, 2012)
JP2003164106A (ja) 動圧軸受スピンドルモータ
JPS6327742U (en, 2012)
JPH02103772U (en, 2012)
JPS6275615A (ja) ポリゴンミラの駆動装置
JPH0642103Y2 (ja) 動圧軸受
JPH0274620U (en, 2012)
JPH0312014U (en, 2012)
JPH0326826U (en, 2012)
JPS58172120U (ja) 静圧気体軸受装置
JPH064727U (ja) ポリゴンミラーの回転駆動装置
JPH0444516U (en, 2012)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term