JPH0274620U - - Google Patents

Info

Publication number
JPH0274620U
JPH0274620U JP1988153856U JP15385688U JPH0274620U JP H0274620 U JPH0274620 U JP H0274620U JP 1988153856 U JP1988153856 U JP 1988153856U JP 15385688 U JP15385688 U JP 15385688U JP H0274620 U JPH0274620 U JP H0274620U
Authority
JP
Japan
Prior art keywords
shaft
sleeve
face
magnet
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.)
Pending
Application number
JP1988153856U
Other languages
English (en)
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 filed Critical
Priority to JP1988153856U priority Critical patent/JPH0274620U/ja
Publication of JPH0274620U publication Critical patent/JPH0274620U/ja
Pending 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-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
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0402—Bearings 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
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0427—Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の動圧軸受の部分断
面図、第２図及び第３図はそれぞれ別の実施例の
スリーブ断面図、第４図は従来の動圧軸受の部分
断面図、第５図は従来の動圧軸受の組立時のスリ
ーブと軸の磁石の吸引状態図である。 １……スリーブ、２……スリーブの底部、３…
…ラジアル動圧発生用溝、４……固定軸、５……
固定軸の端部、６……ラジアル隙間、７……内側
磁石、８……外側磁石、９……スリーブの筒部。

Claims (1)

    【実用新案登録請求の範囲】
  1. スリーブに軸の一部を収納すると共に、上記ス
    リーブの内周面または軸の外周面の少なくとも一
    方に溝を設けて上記軸とスリーブとの相対的な回
    転により軸とスリーブとの間の流体に動圧を発生
    させてラジアル方向に軸を支持するようにし、さ
    らに、上記軸の端面とスリーブの端面とにそれぞ
    れ磁石を同極を向かい合わせて設置し、上記軸の
    端面の磁石と上記スリーブの端面の磁石の反発力
    でスラスト方向に軸を支持するようにした動圧軸
    受において、上記スリーブの少なくとも開口部分
    を非磁性材料で形成したことを特徴とする動圧軸
    受。
JP1988153856U 1988-11-25 1988-11-25 Pending JPH0274620U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988153856U JPH0274620U (ja) 1988-11-25 1988-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988153856U JPH0274620U (ja) 1988-11-25 1988-11-25

Publications (1)

Publication Number Publication Date
JPH0274620U true JPH0274620U (ja) 1990-06-07

Family

ID=31430066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988153856U Pending JPH0274620U (ja) 1988-11-25 1988-11-25

Country Status (1)

Country Link
JP (1) JPH0274620U (ja)

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