JPS58123967U - Magnetic fluid seal device - Google Patents
Magnetic fluid seal deviceInfo
- Publication number
- JPS58123967U JPS58123967U JP2133782U JP2133782U JPS58123967U JP S58123967 U JPS58123967 U JP S58123967U JP 2133782 U JP2133782 U JP 2133782U JP 2133782 U JP2133782 U JP 2133782U JP S58123967 U JPS58123967 U JP S58123967U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- magnetic fluid
- seal device
- fluid seal
- annular pole
- 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
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
第１図は従来構造の磁性流体シール装置の軸方向縦断面
図、第２図はこの考案の一実施例である磁性流体シール
装置の軸方向縦断面図、第３図は同上装置に使用される
磁石支持体の斜視図である。
１・・・固定ケーシング、４・・・環状ポールブロック
、８・・・永久磁石、１３・・・冷媒、１５・・・磁石
支持体、１５ａ・・・円筒体、１５ｂ・・・フランジ。Fig. 1 is an axial longitudinal cross-sectional view of a magnetic fluid seal device with a conventional structure, Fig. 2 is an axial longitudinal cross-sectional view of a magnetic fluid seal device which is an embodiment of this invention, and Fig. 3 is an axial longitudinal cross-sectional view of a magnetic fluid seal device of a conventional structure. FIG. 3 is a perspective view of a magnet support. DESCRIPTION OF SYMBOLS 1... Fixed casing, 4... Annular pole block, 8... Permanent magnet, 13... Refrigerant, 15... Magnet support body, 15a... Cylindrical body, 15b... Flange.
Claims (1)
媒体により冷却されている環状ポールブロックを２個距
離を隔てて対向させ、この一対の環゛状ポールブロック
間に永久磁石を橋架し、前お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、この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、円筒体の
長手方向の路中・６位置の外周にフランジを有する形状
の磁石支持体を用いて前記永久磁石を円筒体内周でとり
まき、フランジ外周を前記固定ケーシングの内周に内接
させて支持し、環状ポールブロック、固定ケーシング、
磁石支持体にて囲まれた円環状の空間に冷媒を流通させ
るようにしたことを特徴とする磁性流体シール装置。。Two annular pole blocks that surround the rotating shaft in a fixed cylindrical casing and are constantly cooled by a refrigerant are placed opposite each other at a distance, and a permanent magnet is bridged between the pair of annular pole blocks. A plurality of annular microprotrusions are provided on either the inner peripheral surface of the annular pole block or the outer peripheral surface of the rotating shaft, and a surface facing the annular microprotrusions;
In a device in which a magnetic fluid is interposed between the permanent magnets, the permanent magnet is surrounded by the cylindrical body using a magnet support having a flange on the outer periphery at 6 positions in the longitudinal direction of the cylindrical body, and the flange outer periphery is It is inscribed and supported on the inner circumference of the fixed casing, and the annular pole block, fixed casing,
A magnetic fluid seal device characterized in that a refrigerant is made to flow through an annular space surrounded by a magnet support. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2133782U JPS58123967U (en) | 1982-02-17 | 1982-02-17 | Magnetic fluid seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2133782U JPS58123967U (en) | 1982-02-17 | 1982-02-17 | Magnetic fluid seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58123967U true JPS58123967U (en) | 1983-08-23 |
Family
ID=30033463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2133782U Pending JPS58123967U (en) | 1982-02-17 | 1982-02-17 | Magnetic fluid seal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58123967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302676A (en) * | 1992-04-27 | 1993-11-16 | Toshiba Corp | Shaft sealing device for vertical rotary machine |
-
1982
- 1982-02-17 JP JP2133782U patent/JPS58123967U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302676A (en) * | 1992-04-27 | 1993-11-16 | Toshiba Corp | Shaft sealing device for vertical rotary machine |
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