JPS63178672U - - Google Patents

Info

Publication number
JPS63178672U
JPS63178672U JP6892787U JP6892787U JPS63178672U JP S63178672 U JPS63178672 U JP S63178672U JP 6892787 U JP6892787 U JP 6892787U JP 6892787 U JP6892787 U JP 6892787U JP S63178672 U JPS63178672 U JP S63178672U
Authority
JP
Japan
Prior art keywords
magnet
permanent magnet
magnetic fluid
fluid seal
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
JP6892787U
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 JP6892787U priority Critical patent/JPS63178672U/ja
Publication of JPS63178672U publication Critical patent/JPS63178672U/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図および第2図はそれぞれ本考案の磁性流
体シールの異なるタイプの実施例を示す半裁断面
図、第3図および第4図はそれぞれ異なるタイプ
の従来例を示す半裁断面図である。 1…ハウジング、2…軸、3,4…ホールピー
ス、5…永久磁石、6…磁性流体、7…第2の永
久磁石、Mf…磁束。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 磁性体からなり内周面が軸2外周面と近接
    対向する2つの環状のホールピース3,4の対向
    端面間に、環状の永久磁石5を挾着させ、ホール
    ピース3,4と軸2の対向周面間に磁性流体6を
    介在させてなる磁性流体シールにおいて、両ホー
    ルピース3,4の外周面に跨つて、適宜弾性を有
    する第2の永久磁石7を外挿嵌着し、永久磁石5
    の磁場に対して第2の永久磁石7は逆磁場を形成
    してなることを特徴とする磁性流体シール。 (2) 第2の永久磁石7がゴム磁石またはプラス
    チツク磁石であることを特徴とする実用新案登録
    請求の範囲第1項記載の磁性流体シール。
JP6892787U 1987-05-11 1987-05-11 Pending JPS63178672U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6892787U JPS63178672U (ja) 1987-05-11 1987-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6892787U JPS63178672U (ja) 1987-05-11 1987-05-11

Publications (1)

Publication Number Publication Date
JPS63178672U true JPS63178672U (ja) 1988-11-18

Family

ID=30909191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6892787U Pending JPS63178672U (ja) 1987-05-11 1987-05-11

Country Status (1)

Country Link
JP (1) JPS63178672U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073837A1 (en) * 1999-05-28 2000-12-07 Nok Corporation Light shielding structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073837A1 (en) * 1999-05-28 2000-12-07 Nok Corporation Light shielding structure

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