JP2535736Y2 - 磁性流体シール装置 - Google Patents

磁性流体シール装置

Info

Publication number
JP2535736Y2
JP2535736Y2 JP1989152690U JP15269089U JP2535736Y2 JP 2535736 Y2 JP2535736 Y2 JP 2535736Y2 JP 1989152690 U JP1989152690 U JP 1989152690U JP 15269089 U JP15269089 U JP 15269089U JP 2535736 Y2 JP2535736 Y2 JP 2535736Y2
Authority
JP
Japan
Prior art keywords
magnetic fluid
pole pieces
pair
sealing device
working surface
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
JP1989152690U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0391577U (US07922777-20110412-C00004.png
Inventor
好清 長島
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.)
Nidec America Corp
Original Assignee
Nidec Corp
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 Nidec Corp filed Critical Nidec Corp
Priority to JP1989152690U priority Critical patent/JP2535736Y2/ja
Publication of JPH0391577U publication Critical patent/JPH0391577U/ja
Application granted granted Critical
Publication of JP2535736Y2 publication Critical patent/JP2535736Y2/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)
JP1989152690U 1989-12-28 1989-12-28 磁性流体シール装置 Expired - Lifetime JP2535736Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989152690U JP2535736Y2 (ja) 1989-12-28 1989-12-28 磁性流体シール装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989152690U JP2535736Y2 (ja) 1989-12-28 1989-12-28 磁性流体シール装置

Publications (2)

Publication Number Publication Date
JPH0391577U JPH0391577U (US07922777-20110412-C00004.png) 1991-09-18
JP2535736Y2 true JP2535736Y2 (ja) 1997-05-14

Family

ID=31698942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989152690U Expired - Lifetime JP2535736Y2 (ja) 1989-12-28 1989-12-28 磁性流体シール装置

Country Status (1)

Country Link
JP (1) JP2535736Y2 (US07922777-20110412-C00004.png)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226766A (ja) * 1983-06-03 1984-12-19 Nippon Telegr & Teleph Corp <Ntt> 磁性流体シ−ル機構
JPS6091066A (ja) * 1983-10-26 1985-05-22 Seiko Epson Corp 磁性流体シ−ル機構
JPS63180774A (ja) * 1987-01-20 1988-07-25 Fujitsu Ltd 磁性流体シ−ル構造
JPH0518494Y2 (US07922777-20110412-C00004.png) * 1987-08-08 1993-05-17
JPH0643582Y2 (ja) * 1987-09-21 1994-11-14 株式会社トーキン 磁性流体シール装置
JPH01120426A (ja) * 1987-11-04 1989-05-12 Nippon Ferrofluidics Kk シール装置

Also Published As

Publication number Publication date
JPH0391577U (US07922777-20110412-C00004.png) 1991-09-18

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term