JPH02103522U - - Google Patents

Info

Publication number
JPH02103522U
JPH02103522U JP1989012552U JP1255289U JPH02103522U JP H02103522 U JPH02103522 U JP H02103522U JP 1989012552 U JP1989012552 U JP 1989012552U JP 1255289 U JP1255289 U JP 1255289U JP H02103522 U JPH02103522 U JP H02103522U
Authority
JP
Japan
Prior art keywords
rotor
permanent magnets
fixed shaft
hydrodynamic bearing
fixed
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
JP1989012552U
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 JP1989012552U priority Critical patent/JPH02103522U/ja
Publication of JPH02103522U publication Critical patent/JPH02103522U/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
    • 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
    • F16C32/0429—Passive magnetic bearings with permanent magnets on both parts repelling each other for both radial and axial load, e.g. conical magnets
    • 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
    • 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

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の第１の実施例を示した流体軸
受の正面断面図、第２図は第２の実施例を示した
部分断面正面図、第３図は第３の実施例を示した
部分断面正面図、第４図は従来の流体軸受の正面
断面図。 １０……流体軸受、１２……筺体、１４……固
定軸、１８……ロータ、２０……胴部、３４ａ，
３４ｂ……永久磁石、５０ａ，５０ｂ……永久磁
石、５２……ロータ、５８……筺体、６２ａ，６
２ｂ……永久磁石、６４……固定軸、８０……ロ
ータ、８２ａ，８２ｂ……永久磁石。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 本体へ固定された固定軸と、胴部が該固定軸
    へ回転可能に外嵌されたロータと、一方が該ロー
    タに設けられ、他方が固定側に設けられると共に
    、対向する磁極は互いに反発するよう配された１
    対以上の永久磁石とを有し、固定軸とロータの間
    に送り込まれた流体によりロータを固定軸と非接
    触に回転可能にする流体軸受において、 前記永久磁石は前記ロータの胴部の外側に設け
    られたことを特徴とする流体軸受。 ２ 前記永久磁石の互いの反発力の方向は前記ロ
    ータの軸線方向であることを特徴とする請求項１
    記載の流体軸受。 ３ 前記永久磁石の互いの反発力の方向は前記ロ
    ータの軸線方向および前記ロータの径方向である
    ことを特徴とする請求項１記載の流体軸受。
JP1989012552U 1989-02-03 1989-02-03 Pending JPH02103522U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989012552U JPH02103522U (ja) 1989-02-03 1989-02-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989012552U JPH02103522U (ja) 1989-02-03 1989-02-03

Publications (1)

Publication Number Publication Date
JPH02103522U true JPH02103522U (ja) 1990-08-17

Family

ID=31222090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989012552U Pending JPH02103522U (ja) 1989-02-03 1989-02-03

Country Status (1)

Country Link
JP (1) JPH02103522U (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933239B1 (ja) * 1970-11-16 1974-09-05
JPS53250B1 (ja) * 1970-02-26 1978-01-06
JPS60121509A (ja) * 1983-12-05 1985-06-29 Hitachi Ltd 回転ドラム装置
JPS6220914A (ja) * 1985-07-19 1987-01-29 Copal Co Ltd モ−タ軸受
JPS6388314A (ja) * 1986-09-30 1988-04-19 Toshiba Corp 動圧空気軸受

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53250B1 (ja) * 1970-02-26 1978-01-06
JPS4933239B1 (ja) * 1970-11-16 1974-09-05
JPS60121509A (ja) * 1983-12-05 1985-06-29 Hitachi Ltd 回転ドラム装置
JPS6220914A (ja) * 1985-07-19 1987-01-29 Copal Co Ltd モ−タ軸受
JPS6388314A (ja) * 1986-09-30 1988-04-19 Toshiba Corp 動圧空気軸受

Similar Documents

Publication Publication Date Title
JPS62115765U (ja)
JPH02103522U (ja)
JPH02110980U (ja)
JPS63666U (ja)
JPH02122563U (ja)
JPS63171725U (ja)
JPH029325U (ja)
JPS622363U (ja)
JPH0235360U (ja)
JPH01150456U (ja)
JPH0190274U (ja)
JPH043121U (ja)
JPH0257247U (ja)
JPS62176821U (ja)
JPS63131578U (ja)
JPH0461454U (ja)
JPS5895190U (ja) ステツピングモ−タ
JPS6397372U (ja)
JPS6370254U (ja)
JPS62152658U (ja)
JPH01157566U (ja)
JPS6351579U (ja)
JPS6383978U (ja)
JPS6254557U (ja)
JPS6270665U (ja)