JPH0332214U - - Google Patents

Info

Publication number
JPH0332214U
JPH0332214U JP9189789U JP9189789U JPH0332214U JP H0332214 U JPH0332214 U JP H0332214U JP 9189789 U JP9189789 U JP 9189789U JP 9189789 U JP9189789 U JP 9189789U JP H0332214 U JPH0332214 U JP H0332214U
Authority
JP
Japan
Prior art keywords
shaft
upper wall
magnetic bearing
air
case
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
JP9189789U
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 JP9189789U priority Critical patent/JPH0332214U/ja
Publication of JPH0332214U publication Critical patent/JPH0332214U/ja
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Motor Or Generator Frames (AREA)

Description

【図面の簡単な説明】
第1図および第2図は本考案による空気磁気軸
受型光偏向器の第1の実施例の要部の縦断面図、
第3図および第4図は本考案による空気磁気軸受
型光偏向器の第2の実施例の要部の縦断面図、第
5図および第6図は本考案による空気磁気軸受型
光偏向器の第3の実施例の要部の縦断面図、第7
図は従来例による空気磁気軸受型光偏向器の縦断
面図である。 11……中空回転軸、13,19,23……磁
石、17……固定軸、21……ケース、22……
上蓋部、31……磁性流体、32……ネジ、33
……弾性部材、34……ビン部材、35……コイ
ルバネ、36……ストツパ部材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 固定軸先端の磁石と、ケース上壁内面の磁石に
    より、互いに反発するように挟持された磁石を先
    端部に持ち、この反発力により磁気軸受を構成し
    、且つ駆動源により回転されることにより固定軸
    との間で空気軸受を構成する中空回転軸を有する
    空気磁気軸受型光偏向器において、上記中空回転
    軸を含む回転体に接触してこれを固定する位置と
    離反する位置とに上下動可能な係止手段を上記ケ
    ースの上壁部に設けると共に、上記係止手段と上
    記ケース上壁との隙間を磁性流体でシールして構
    成されることを特徴とする空気磁気軸受型光偏向
    器。
JP9189789U 1989-08-05 1989-08-05 Pending JPH0332214U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9189789U JPH0332214U (ja) 1989-08-05 1989-08-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9189789U JPH0332214U (ja) 1989-08-05 1989-08-05

Publications (1)

Publication Number Publication Date
JPH0332214U true JPH0332214U (ja) 1991-03-28

Family

ID=31641356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9189789U Pending JPH0332214U (ja) 1989-08-05 1989-08-05

Country Status (1)

Country Link
JP (1) JPH0332214U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006329351A (ja) * 2005-05-27 2006-12-07 Sony Corp 磁気軸受およびそれを用いたファンモータ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006329351A (ja) * 2005-05-27 2006-12-07 Sony Corp 磁気軸受およびそれを用いたファンモータ

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