JPS6037662U - sealing device - Google Patents

sealing device

Info

Publication number
JPS6037662U
JPS6037662U JP13083183U JP13083183U JPS6037662U JP S6037662 U JPS6037662 U JP S6037662U JP 13083183 U JP13083183 U JP 13083183U JP 13083183 U JP13083183 U JP 13083183U JP S6037662 U JPS6037662 U JP S6037662U
Authority
JP
Japan
Prior art keywords
magnetic
sealing device
protrusions
permanent magnet
rotating body
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
JP13083183U
Other languages
Japanese (ja)
Inventor
関　興一
博 中里
裕 鈴木
Original Assignee
東北金属工業株式会社
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 東北金属工業株式会社 filed Critical 東北金属工業株式会社
Priority to JP13083183U priority Critical patent/JPS6037662U/en
Publication of JPS6037662U publication Critical patent/JPS6037662U/en
Pending 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 the drawing]

第１図及び第之図は、従来この種密封装置の例を示す断
面図、第３図は本考案の一例を示す断面図、第４図、第
５図及び第６図は本考案の他の例を示す断面図である。 １・・・永久磁石、２・・・軟磁性継鉄、３・・・ハウ
ジング、４・・・軸、５・・・磁性流体。 第３図 第−４図1 and 6 are cross-sectional views showing examples of conventional sealing devices of this type, FIG. 3 is a cross-sectional view showing an example of the present invention, and FIGS. 4, 5, and 6 are cross-sectional views showing examples of conventional sealing devices of this type. It is a sectional view showing an example. DESCRIPTION OF SYMBOLS 1... Permanent magnet, 2... Soft magnetic yoke, 3... Housing, 4... Shaft, 5... Magnetic fluid. Figure 3 - Figure 4

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁性回転体に磁性流体を介して配置された永久磁石と該
永久磁石の両極に接して設置された軟磁性継鉄とで構成
された密封装置において、該磁性回転体の該軟磁性継鉄
と相対する位置に凸部を設け、前記凸部を磁束が通るこ
とにより磁性流体の位置決めを行ない、前記凸部を設け
たことによって生じる凹部により磁性流体の流出を防ぐ
ことを特徴する密封装置。In a sealing device comprising a permanent magnet placed on a magnetic rotating body via a magnetic fluid and a soft magnetic yoke installed in contact with both poles of the permanent magnet, the soft magnetic yoke of the magnetic rotating body and A sealing device characterized in that protrusions are provided at opposing positions, a magnetic flux is passed through the protrusions to position the magnetic fluid, and a recess formed by providing the protrusions prevents the magnetic fluid from flowing out.
JP13083183U 1983-08-24 1983-08-24 sealing device Pending JPS6037662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13083183U JPS6037662U (en) 1983-08-24 1983-08-24 sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13083183U JPS6037662U (en) 1983-08-24 1983-08-24 sealing device

Publications (1)

Publication Number Publication Date
JPS6037662U true JPS6037662U (en) 1985-03-15

Family

ID=30295991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13083183U Pending JPS6037662U (en) 1983-08-24 1983-08-24 sealing device

Country Status (1)

Country Link
JP (1) JPS6037662U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023533611A (en) * 2020-08-25 2023-08-03 ツィンファ ユニバーシティ Toothless magnetic fluid sealing device in which permanent magnet sheets and magnetic permeable sheets are alternately distributed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023533611A (en) * 2020-08-25 2023-08-03 ツィンファ ユニバーシティ Toothless magnetic fluid sealing device in which permanent magnet sheets and magnetic permeable sheets are alternately distributed

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