JPS5896162U - Magnetic fluid seal device - Google Patents

Magnetic fluid seal device

Info

Publication number
JPS5896162U
JPS5896162U JP19220481U JP19220481U JPS5896162U JP S5896162 U JPS5896162 U JP S5896162U JP 19220481 U JP19220481 U JP 19220481U JP 19220481 U JP19220481 U JP 19220481U JP S5896162 U JPS5896162 U JP S5896162U
Authority
JP
Japan
Prior art keywords
circumferential surface
magnetic fluid
seal device
fluid seal
rotating shaft
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
JP19220481U
Other languages
Japanese (ja)
Inventor
滝田　清
Original Assignee
株式会社富士電機総合研究所
富士電機製造株式会社
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 株式会社富士電機総合研究所, 富士電機製造株式会社 filed Critical 株式会社富士電機総合研究所
Priority to JP19220481U priority Critical patent/JPS5896162U/en
Publication of JPS5896162U publication Critical patent/JPS5896162U/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 drawings]

第１図は従来構造の磁性流体シール装置の縦断面図、第
２図は第１図のＸ−Ｘ断面図、第３図はこの考案の一実
施例である磁性流体シール装置の縦断面図、第４図は第
３図のＹ−Ｙ断面図である。 １：軸受ハウジング、３：回転軸、４：環状ポールブロ
ック、７：環状微小突起、８：円筒状磁石、１０：磁性
流体、１１ニスペーサ−０Fig. 1 is a longitudinal sectional view of a magnetic fluid seal device with a conventional structure, Fig. 2 is a sectional view taken along the line XX in Fig. 1, and Fig. 3 is a longitudinal sectional view of a magnetic fluid seal device that is an embodiment of this invention. , FIG. 4 is a YY sectional view of FIG. 3. 1: Bearing housing, 3: Rotating shaft, 4: Annular pole block, 7: Annular microprotrusion, 8: Cylindrical magnet, 10: Magnetic fluid, 11 Ni spacer-0

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸受ハウジングに支持されていて回転軸の外周を取囲む
一対の環状ポールブロック間に円筒状磁石を橋架し、前
記環状ポールブロック内周面と前記回転軸外周面とのう
ちいずれか一方に複数条の環状微小突起を設け、こめ環
状微小突起と対向する面との間に磁性流体を介在せしめ
るものにおいて、前記軸受ハウジング内周面と円筒状磁
石外周面との間に熱伝導的な非磁性体製のスペーサーを
設けたことを特徴とする磁性流体シール装置。A cylindrical magnet is bridged between a pair of annular pole blocks that are supported by a bearing housing and surround the outer periphery of the rotating shaft, and a plurality of strips are provided on either the inner circumferential surface of the annular pole block or the outer circumferential surface of the rotating shaft. A thermally conductive non-magnetic material is provided between the inner circumferential surface of the bearing housing and the outer circumferential surface of the cylindrical magnet. A magnetic fluid sealing device characterized by having a spacer made of.
JP19220481U 1981-12-23 1981-12-23 Magnetic fluid seal device Pending JPS5896162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19220481U JPS5896162U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19220481U JPS5896162U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Publications (1)

Publication Number Publication Date
JPS5896162U true JPS5896162U (en) 1983-06-30

Family

ID=30105624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19220481U Pending JPS5896162U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Country Status (1)

Country Link
JP (1) JPS5896162U (en)

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