JPS6483920A - Magnetic fluid bearing device - Google Patents

Magnetic fluid bearing device

Info

Publication number
JPS6483920A
JPS6483920A JP62241196A JP24119687A JPS6483920A JP S6483920 A JPS6483920 A JP S6483920A JP 62241196 A JP62241196 A JP 62241196A JP 24119687 A JP24119687 A JP 24119687A JP S6483920 A JPS6483920 A JP S6483920A
Authority
JP
Japan
Prior art keywords
bearing
magnetic fluid
bearing device
fluid bearing
permanent magnet
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.)
Granted
Application number
JP62241196A
Other languages
English (en)
Other versions
JP2624264B2 (ja
Inventor
Katsutoshi Arai
Kazuhiko Kawaike
Hiroo Hiroyama
Yoshio Furukawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62241196A priority Critical patent/JP2624264B2/ja
Publication of JPS6483920A publication Critical patent/JPS6483920A/ja
Application granted granted Critical
Publication of JP2624264B2 publication Critical patent/JP2624264B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • 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
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
    • 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
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
    • F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Of Bearings (AREA)
JP62241196A 1987-09-25 1987-09-25 レーザビームスキャナモータ Expired - Lifetime JP2624264B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62241196A JP2624264B2 (ja) 1987-09-25 1987-09-25 レーザビームスキャナモータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62241196A JP2624264B2 (ja) 1987-09-25 1987-09-25 レーザビームスキャナモータ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8129849A Division JP2790446B2 (ja) 1996-05-24 1996-05-24 レーザビームスキャナモータ

Publications (2)

Publication Number Publication Date
JPS6483920A true JPS6483920A (en) 1989-03-29
JP2624264B2 JP2624264B2 (ja) 1997-06-25

Family

ID=17070637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62241196A Expired - Lifetime JP2624264B2 (ja) 1987-09-25 1987-09-25 レーザビームスキャナモータ

Country Status (1)

Country Link
JP (1) JP2624264B2 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02266856A (ja) * 1989-04-05 1990-10-31 Hitachi Ltd 軸受装置あるいはこの軸受装置を使用したモータおよびポリゴンミラーモータ
JPH03235649A (ja) * 1990-02-09 1991-10-21 Hitachi Ltd ポリゴンミラーモータ
JPH04150753A (ja) * 1990-10-11 1992-05-25 Hitachi Ltd 磁性流体軸受を具備するモータおよびポリゴンミラーモータ
JPH0636358U (ja) * 1992-10-12 1994-05-13 株式会社三協精機製作所 動圧軸受モータ
US5419641A (en) * 1993-02-10 1995-05-30 Nsk Ltd. Radial needle bearing
US6737016B2 (en) 2001-05-09 2004-05-18 Hitachi Powdered Metals Co, Ltd. Process for manufacturing sintered slide bearing
JP2007024207A (ja) * 2005-07-19 2007-02-01 Ntn Corp 針状ころ軸受
JP2008101647A (ja) * 2006-10-17 2008-05-01 Nsk Ltd シールリング付シェル型ニードル軸受
JP2011117606A (ja) * 2011-02-15 2011-06-16 Nsk Ltd シールリング付シェル型ニードル軸受のシールリングの製造方法
CN110594288A (zh) * 2019-09-29 2019-12-20 中国矿业大学 一种基于纳米磁性液体的磁控柔性瓦块推力滑动轴承

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211517A (ja) * 1985-03-15 1986-09-19 Canon Inc 動圧流体軸受装置
JPS62127513A (ja) * 1985-11-26 1987-06-09 Nippon Seiko Kk スピンドル

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211517A (ja) * 1985-03-15 1986-09-19 Canon Inc 動圧流体軸受装置
JPS62127513A (ja) * 1985-11-26 1987-06-09 Nippon Seiko Kk スピンドル

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02266856A (ja) * 1989-04-05 1990-10-31 Hitachi Ltd 軸受装置あるいはこの軸受装置を使用したモータおよびポリゴンミラーモータ
JPH03235649A (ja) * 1990-02-09 1991-10-21 Hitachi Ltd ポリゴンミラーモータ
JPH04150753A (ja) * 1990-10-11 1992-05-25 Hitachi Ltd 磁性流体軸受を具備するモータおよびポリゴンミラーモータ
JPH0636358U (ja) * 1992-10-12 1994-05-13 株式会社三協精機製作所 動圧軸受モータ
US5419641A (en) * 1993-02-10 1995-05-30 Nsk Ltd. Radial needle bearing
US6737016B2 (en) 2001-05-09 2004-05-18 Hitachi Powdered Metals Co, Ltd. Process for manufacturing sintered slide bearing
JP2007024207A (ja) * 2005-07-19 2007-02-01 Ntn Corp 針状ころ軸受
JP2008101647A (ja) * 2006-10-17 2008-05-01 Nsk Ltd シールリング付シェル型ニードル軸受
JP2011117606A (ja) * 2011-02-15 2011-06-16 Nsk Ltd シールリング付シェル型ニードル軸受のシールリングの製造方法
CN110594288A (zh) * 2019-09-29 2019-12-20 中国矿业大学 一种基于纳米磁性液体的磁控柔性瓦块推力滑动轴承
CN110594288B (zh) * 2019-09-29 2024-03-08 中国矿业大学 一种基于纳米磁性液体的磁控柔性瓦块推力滑动轴承

Also Published As

Publication number Publication date
JP2624264B2 (ja) 1997-06-25

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