JPS6097465U - Magnetic fluid shaft sealing device - Google Patents

Magnetic fluid shaft sealing device

Info

Publication number
JPS6097465U
JPS6097465U JP1983188660U JP18866083U JPS6097465U JP S6097465 U JPS6097465 U JP S6097465U JP 1983188660 U JP1983188660 U JP 1983188660U JP 18866083 U JP18866083 U JP 18866083U JP S6097465 U JPS6097465 U JP S6097465U
Authority
JP
Japan
Prior art keywords
magnetic fluid
rotating shaft
bearing
shaft
sealing device
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
JP1983188660U
Other languages
Japanese (ja)
Inventor
学 野口
Original Assignee
理学電機株式会社
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 理学電機株式会社 filed Critical 理学電機株式会社
Priority to JP1983188660U priority Critical patent/JPS6097465U/en
Publication of JPS6097465U publication Critical patent/JPS6097465U/en
Pending legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing With Elastic Sealing Lips (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図は本考案実施例の縦断面図、第２図は第１図のＡ
−Ａ断面図、第３図は第１図における回転軸の一部を拡
大すると共に更にその一部を縦断した炊である。なお図
において、１は筐体、２は軸受部、３は回転軸、４は永
久磁石、５は磁極、６は磁性流体、７，８は軸受、９，
１０はオイルシール、１１，１２はオイル導管、１３は
潤滑油、１４はつば、１５は油の排出口である。Figure 1 is a longitudinal sectional view of the embodiment of the present invention, and Figure 2 is A of Figure 1.
-A cross-sectional view, FIG. 3 is an enlarged view of a part of the rotating shaft in FIG. 1, and a longitudinal section of that part. In the figure, 1 is a housing, 2 is a bearing, 3 is a rotating shaft, 4 is a permanent magnet, 5 is a magnetic pole, 6 is a magnetic fluid, 7 and 8 are bearings, 9,
10 is an oil seal, 11 and 12 are oil conduits, 13 is lubricating oil, 14 is a collar, and 15 is an oil discharge port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁性体の回転軸に磁石で励磁される環状の磁極を嵌合し
、上記回転軸と磁極との間を磁性流体で連結した軸封部
の側部に上記回転軸を支持する軸受を設けてその軸受を
オイルシールて密閉すると共に、前記軸受に潤滑油を供
給するオイル導管を上記密閉部分に連結して、前記磁性
流体による軸封部とこれに隣接したオイルシールとで挾
まれる部分における前記回転軸の周側面に周縁がナイフ
ェツジ状をなしたつばを形成し、かつ上記部分に潤滑油
の排出口を設けた磁性流体軸封装置。An annular magnetic pole excited by a magnet is fitted to a rotating shaft of a magnetic body, and a bearing for supporting the rotating shaft is provided on the side of a shaft sealing part that connects the rotating shaft and the magnetic pole with a magnetic fluid. The bearing is hermetically sealed with an oil seal, and an oil conduit for supplying lubricating oil to the bearing is connected to the sealed part, so that the part sandwiched between the shaft seal made of the magnetic fluid and the adjacent oil seal is connected to the sealing part. A magnetic fluid shaft sealing device, wherein a collar having a knife-shaped peripheral edge is formed on the circumferential side of the rotating shaft, and a lubricating oil discharge port is provided in the portion.
JP1983188660U 1983-12-08 1983-12-08 Magnetic fluid shaft sealing device Pending JPS6097465U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983188660U JPS6097465U (en) 1983-12-08 1983-12-08 Magnetic fluid shaft sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983188660U JPS6097465U (en) 1983-12-08 1983-12-08 Magnetic fluid shaft sealing device

Publications (1)

Publication Number Publication Date
JPS6097465U true JPS6097465U (en) 1985-07-03

Family

ID=30406942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983188660U Pending JPS6097465U (en) 1983-12-08 1983-12-08 Magnetic fluid shaft sealing device

Country Status (1)

Country Link
JP (1) JPS6097465U (en)

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