JPS59118852U - Magnetic fluid seal device - Google Patents

Magnetic fluid seal device

Info

Publication number
JPS59118852U
JPS59118852U JP1385183U JP1385183U JPS59118852U JP S59118852 U JPS59118852 U JP S59118852U JP 1385183 U JP1385183 U JP 1385183U JP 1385183 U JP1385183 U JP 1385183U JP S59118852 U JPS59118852 U JP S59118852U
Authority
JP
Japan
Prior art keywords
magnetic fluid
casing
magnetic
seal device
fluid seal
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
JP1385183U
Other languages
Japanese (ja)
Other versions
JPS6311427Y2 (en
Inventor
成宮　宏
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1385183U priority Critical patent/JPS59118852U/en
Publication of JPS59118852U publication Critical patent/JPS59118852U/en
Application granted granted Critical
Publication of JPS6311427Y2 publication Critical patent/JPS6311427Y2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のものの縦断面図、第２図はこの考案の一
実施例の縦断面図である。 １１・・・・・・ケーシング、１４・・・・・・円筒磁
石、５・・・・・・ころがり軸受、６・・・・・・回転
軸、１７・・・・・・プツシ−Ｌ、１７ａ・・・・・・
フリンジ、８・・・・・・スペーサ、９・・・　　　。 ・・・磁性流体の膜。なお、各図中、同一符号は同−又
は相当部分を示す。FIG. 1 is a longitudinal sectional view of a conventional device, and FIG. 2 is a longitudinal sectional view of an embodiment of this invention. 11...Casing, 14...Cylindrical magnet, 5...Rolling bearing, 6...Rotating shaft, 17...Pushy L, 17a...
Fringe, 8...Spacer, 9... ...Magnetic fluid film. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　磁性体でなるケーシングと、このケーシング
に支持され非磁性体でなる回転軸と、この回転軸に嵌着
された円筒磁石と、この円筒磁石を挾んで前記回転軸に
嵌着された磁性体でなる１対のブツシュと、このブツシ
ュと前記ケーシングとの間に磁気間隙を形成する複数の
フリンジを゛　備えてなることを特徴とする磁性流体シ
ール装置。(1) A casing made of a magnetic material, a rotating shaft supported by the casing and made of a non-magnetic material, a cylindrical magnet fitted to the rotating shaft, and a cylindrical magnet fitted to the rotating shaft with the cylindrical magnet in between. A magnetic fluid sealing device comprising: a pair of bushings made of a magnetic material; and a plurality of fringes forming magnetic gaps between the bushings and the casing. （２）フリンジがブツシュに形成された実用新案登録請
求の範囲第１項記載の磁性流体シール装置。(2) The magnetic fluid sealing device according to claim 1, wherein the fringe is formed as a bush. （３）　　フリンジがケーシングに形成された実用新案
登録請求の範囲第１項記載の磁性流体シール装置。(3) The magnetic fluid sealing device according to claim 1, wherein a fringe is formed on the casing.
JP1385183U 1983-01-31 1983-01-31 Magnetic fluid seal device Granted JPS59118852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1385183U JPS59118852U (en) 1983-01-31 1983-01-31 Magnetic fluid seal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1385183U JPS59118852U (en) 1983-01-31 1983-01-31 Magnetic fluid seal device

Publications (2)

Publication Number Publication Date
JPS59118852U true JPS59118852U (en) 1984-08-10
JPS6311427Y2 JPS6311427Y2 (en) 1988-04-04

Family

ID=30145227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1385183U Granted JPS59118852U (en) 1983-01-31 1983-01-31 Magnetic fluid seal device

Country Status (1)

Country Link
JP (1) JPS59118852U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006292036A (en) * 2005-04-08 2006-10-26 Koyo Electronics Ind Co Ltd Dust-proof mechanism of encoder
JP2011530048A (en) * 2008-07-30 2011-12-15 リガク イノベイティブ テクノロジーズ インコーポレイテッド Magnetic fluid sealing device having shunt element
JP2021116846A (en) * 2020-01-24 2021-08-10 Ckd株式会社 Butterfly valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897969U (en) * 1981-12-23 1983-07-04 株式会社富士電機総合研究所 Magnetic fluid seal device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897969U (en) * 1981-12-23 1983-07-04 株式会社富士電機総合研究所 Magnetic fluid seal device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006292036A (en) * 2005-04-08 2006-10-26 Koyo Electronics Ind Co Ltd Dust-proof mechanism of encoder
JP2011530048A (en) * 2008-07-30 2011-12-15 リガク イノベイティブ テクノロジーズ インコーポレイテッド Magnetic fluid sealing device having shunt element
JP2021116846A (en) * 2020-01-24 2021-08-10 Ckd株式会社 Butterfly valve

Also Published As

Publication number Publication date
JPS6311427Y2 (en) 1988-04-04

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