JPS63103062U - - Google Patents

Info

Publication number
JPS63103062U
JPS63103062U JP19746886U JP19746886U JPS63103062U JP S63103062 U JPS63103062 U JP S63103062U JP 19746886 U JP19746886 U JP 19746886U JP 19746886 U JP19746886 U JP 19746886U JP S63103062 U JPS63103062 U JP S63103062U
Authority
JP
Japan
Prior art keywords
permanent magnet
ring
inner diameter
mouthpiece
magnetic fluid
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
JP19746886U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0629566Y2 (ja
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 JP1986197468U priority Critical patent/JPH0629566Y2/ja
Priority to DE19873790869 priority patent/DE3790869T/de
Priority to PCT/JP1987/000055 priority patent/WO1988005142A1/ja
Publication of JPS63103062U publication Critical patent/JPS63103062U/ja
Application granted granted Critical
Publication of JPH0629566Y2 publication Critical patent/JPH0629566Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1446—Reducing contamination, e.g. by dust, debris
    • G11B33/1473—Reducing contamination, e.g. by dust, debris of/from bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
JP1986197468U 1986-12-24 1986-12-24 多段型磁性流体シール装置 Expired - Lifetime JPH0629566Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1986197468U JPH0629566Y2 (ja) 1986-12-24 1986-12-24 多段型磁性流体シール装置
DE19873790869 DE3790869T (zh) 1986-12-24 1987-01-27
PCT/JP1987/000055 WO1988005142A1 (en) 1986-12-24 1987-01-27 Magnetic fluid sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986197468U JPH0629566Y2 (ja) 1986-12-24 1986-12-24 多段型磁性流体シール装置

Publications (2)

Publication Number Publication Date
JPS63103062U true JPS63103062U (zh) 1988-07-04
JPH0629566Y2 JPH0629566Y2 (ja) 1994-08-10

Family

ID=16374992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986197468U Expired - Lifetime JPH0629566Y2 (ja) 1986-12-24 1986-12-24 多段型磁性流体シール装置

Country Status (3)

Country Link
JP (1) JPH0629566Y2 (zh)
DE (1) DE3790869T (zh)
WO (1) WO1988005142A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762224A (zh) * 2019-11-25 2020-02-07 广西科技大学 一种发散型对开齿阶梯式磁流体旋转密封装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105972218B (zh) * 2016-05-25 2018-06-08 广西科技大学 一种端面式磁性流体密封装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131474A (ja) * 1982-01-29 1983-08-05 Tohoku Metal Ind Ltd 密封装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865373A (ja) * 1981-10-14 1983-04-19 Kiichi Taga 磁性粒子を混ぜた粘性流体による軸シ−ルパツキング方式
US4527805A (en) * 1984-05-03 1985-07-09 Ferrofluidics Corporation High-pressure ferrofluid seal apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131474A (ja) * 1982-01-29 1983-08-05 Tohoku Metal Ind Ltd 密封装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762224A (zh) * 2019-11-25 2020-02-07 广西科技大学 一种发散型对开齿阶梯式磁流体旋转密封装置

Also Published As

Publication number Publication date
DE3790869T (zh) 1988-11-17
WO1988005142A1 (en) 1988-07-14
JPH0629566Y2 (ja) 1994-08-10

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