JPH0240164U - - Google Patents

Info

Publication number
JPH0240164U
JPH0240164U JP11796188U JP11796188U JPH0240164U JP H0240164 U JPH0240164 U JP H0240164U JP 11796188 U JP11796188 U JP 11796188U JP 11796188 U JP11796188 U JP 11796188U JP H0240164 U JPH0240164 U JP H0240164U
Authority
JP
Japan
Prior art keywords
circumferential surface
width
annular
pole piece
magnetic
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
JP11796188U
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 JP11796188U priority Critical patent/JPH0240164U/ja
Publication of JPH0240164U publication Critical patent/JPH0240164U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例の断面図、第2図は
従来の磁性流体シール装置を使用した磁気デイス
ク装置の断面図、第3図は第2図の要部拡大断面
図、第4図は第3図の要部拡大図である。 3a……内輪(磁性部材)、4,5……環状の
ポールピース、6……環状の磁石、7……磁性流
体、g……シールギヤツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 環状の磁石の端面に環状のポールピースを同軸
    的に固着して形成したシール部材と、前記環状の
    ポールピースの周面との間にシールギヤツプを設
    けて前記シール部材と同軸的に相対回転する磁性
    部材と、前記シールギヤツプに磁石の磁力で保持
    した磁性流体とよりなるシール装置において、前
    記磁性部材のポールピース周面と対向する部位に
    、前記周面の幅Cより同周面の両端側へそれぞれ
    幅Aと幅Bだけ幅広い環状の溝を設け、かつ、前
    記幅Aと幅Bを、 0≦A≦2C 0≦B≦2C としたことを特徴とする磁性流体シール装置。
JP11796188U 1988-09-09 1988-09-09 Pending JPH0240164U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11796188U JPH0240164U (ja) 1988-09-09 1988-09-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11796188U JPH0240164U (ja) 1988-09-09 1988-09-09

Publications (1)

Publication Number Publication Date
JPH0240164U true JPH0240164U (ja) 1990-03-19

Family

ID=31361893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11796188U Pending JPH0240164U (ja) 1988-09-09 1988-09-09

Country Status (1)

Country Link
JP (1) JPH0240164U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0247477U (ja) * 1988-09-27 1990-03-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0247477U (ja) * 1988-09-27 1990-03-30

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