JPS5897971U - Magnetic fluid seal device - Google Patents

Magnetic fluid seal device

Info

Publication number
JPS5897971U
JPS5897971U JP19220381U JP19220381U JPS5897971U JP S5897971 U JPS5897971 U JP S5897971U JP 19220381 U JP19220381 U JP 19220381U JP 19220381 U JP19220381 U JP 19220381U JP S5897971 U JPS5897971 U JP S5897971U
Authority
JP
Japan
Prior art keywords
magnetic fluid
bearing
annular
rotating shaft
microprotrusion
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
JP19220381U
Other languages
Japanese (ja)
Other versions
JPS6233504Y2 (en
Inventor
滝田　清
Original Assignee
株式会社富士電機総合研究所
富士電機株式会社
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 株式会社富士電機総合研究所, 富士電機株式会社 filed Critical 株式会社富士電機総合研究所
Priority to JP19220381U priority Critical patent/JPS5897971U/en
Publication of JPS5897971U publication Critical patent/JPS5897971U/en
Application granted granted Critical
Publication of JPS6233504Y2 publication Critical patent/JPS6233504Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Superconductive Dynamoelectric Machines (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図は本考案の一実施例である磁性流体シール装置の縦
断面図である。 １：軸受ハウジング、２：軸受、３：回転軸、４：′環
状ポールブロック、７：環状微小突起、１０：磁性流体
、１２：円板状ガイドリング、１３：環状溝、１４：排
液孔、１５：排液槽。FIG. 1 is a vertical cross-sectional view of a magnetic fluid sealing device having a conventional structure, and FIG. 2 is a vertical cross-sectional view of a magnetic fluid sealing device that is an embodiment of the present invention. 1: Bearing housing, 2: Bearing, 3: Rotating shaft, 4: Annular pole block, 7: Annular microprotrusion, 10: Magnetic fluid, 12: Disc-shaped guide ring, 13: Annular groove, 14: Drain hole , 15: Drainage tank.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸受ハウジングに軸受を介して軸支される回転軸の外周
を取囲む２個の環状ポールブロック間に磁石を橋架し、
前記ポールブロック内面と前記回転軸外周とのうちいず
れか一方の面に環状微小突起を設け、この微小突起と対
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
、前記環状ポールブロックと軸受との間に、軸受端面を
覆うような姿の円板状ガイドリングを回転軸に装着する
とともに前記軸受ハウジング内周に環状溝を設け、この
環状溝の低部溝底に排液孔を貫通し、かっこの排液孔に
連通接続する排液槽を備えたことを特徴とする磁性流体
シール装置。A magnet is bridged between two annular pole blocks that surround the outer periphery of a rotating shaft that is supported via a bearing in a bearing housing.
An annular microprotrusion is provided on either one of the inner surface of the pole block and the outer periphery of the rotating shaft, and a magnetic fluid is interposed between the microprotrusion and the opposing surface, wherein the annular pole block and the bearing During this process, a disc-shaped guide ring that covers the end face of the bearing is attached to the rotating shaft, and an annular groove is provided on the inner periphery of the bearing housing, and a drain hole is inserted through the bottom of the annular groove. , a magnetic fluid sealing device characterized in that it is equipped with a drain tank that is communicatively connected to the drain hole of the bracket.
JP19220381U 1981-12-23 1981-12-23 Magnetic fluid seal device Granted JPS5897971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19220381U JPS5897971U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19220381U JPS5897971U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Publications (2)

Publication Number Publication Date
JPS5897971U true JPS5897971U (en) 1983-07-04
JPS6233504Y2 JPS6233504Y2 (en) 1987-08-27

Family

ID=30105623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19220381U Granted JPS5897971U (en) 1981-12-23 1981-12-23 Magnetic fluid seal device

Country Status (1)

Country Link
JP (1) JPS5897971U (en)

Also Published As

Publication number Publication date
JPS6233504Y2 (en) 1987-08-27

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