JPH0640375Y2 - 磁気ディスク回転用モータの磁性流体シール構造 - Google Patents

磁気ディスク回転用モータの磁性流体シール構造

Info

Publication number
JPH0640375Y2
JPH0640375Y2 JP1988048821U JP4882188U JPH0640375Y2 JP H0640375 Y2 JPH0640375 Y2 JP H0640375Y2 JP 1988048821 U JP1988048821 U JP 1988048821U JP 4882188 U JP4882188 U JP 4882188U JP H0640375 Y2 JPH0640375 Y2 JP H0640375Y2
Authority
JP
Japan
Prior art keywords
magnetic fluid
magnetic
recess
central shaft
magnetic disk
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.)
Expired - Lifetime
Application number
JP1988048821U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01152152U (en]
Inventor
孝一 平沢
Original Assignee
長野日本電産株式会社
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 長野日本電産株式会社 filed Critical 長野日本電産株式会社
Priority to JP1988048821U priority Critical patent/JPH0640375Y2/ja
Publication of JPH01152152U publication Critical patent/JPH01152152U/ja
Application granted granted Critical
Publication of JPH0640375Y2 publication Critical patent/JPH0640375Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Rotational Drive Of Disk (AREA)
  • Motor Or Generator Frames (AREA)
JP1988048821U 1988-04-13 1988-04-13 磁気ディスク回転用モータの磁性流体シール構造 Expired - Lifetime JPH0640375Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988048821U JPH0640375Y2 (ja) 1988-04-13 1988-04-13 磁気ディスク回転用モータの磁性流体シール構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988048821U JPH0640375Y2 (ja) 1988-04-13 1988-04-13 磁気ディスク回転用モータの磁性流体シール構造

Publications (2)

Publication Number Publication Date
JPH01152152U JPH01152152U (en]) 1989-10-20
JPH0640375Y2 true JPH0640375Y2 (ja) 1994-10-19

Family

ID=31274954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988048821U Expired - Lifetime JPH0640375Y2 (ja) 1988-04-13 1988-04-13 磁気ディスク回転用モータの磁性流体シール構造

Country Status (1)

Country Link
JP (1) JPH0640375Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113025U (ja) * 1984-06-29 1986-01-25 日本精工株式会社 軸受装置
JPH0314043Y2 (en]) * 1985-07-06 1991-03-28

Also Published As

Publication number Publication date
JPH01152152U (en]) 1989-10-20

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