JPS62164655U - - Google Patents
Info
- Publication number
- JPS62164655U JPS62164655U JP5141486U JP5141486U JPS62164655U JP S62164655 U JPS62164655 U JP S62164655U JP 5141486 U JP5141486 U JP 5141486U JP 5141486 U JP5141486 U JP 5141486U JP S62164655 U JPS62164655 U JP S62164655U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnetic fluid
- magnetic
- outer periphery
- 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
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は従来の構成を示すシール構造の断面図
、第２図は本考案の一実施例を示す断面図である
。
１１…軸、１２…磁石、１３…磁性流体、１４
…ハウジング。
FIG. 1 is a sectional view of a conventional seal structure, and FIG. 2 is a sectional view of an embodiment of the present invention. 11... Axis, 12... Magnet, 13... Magnetic fluid, 14
…housing.
Claims (1)
性流体シール装置において、内周面に並列して帯
状のＮ・Ｓ２極を有するように半径方向に磁化さ
れた永久磁石と該永久磁石外周より発生する漏洩
磁束をさえぎるため、及び該永久磁石のヨークと
有するために上記永久磁石の外周に環状の軟磁性
ハウジングとが設けられ、上記永久磁石と軸との
間には磁性流体が磁気的に捕促されるように構成
したことを特徴とするシール装置。 In a magnetic fluid sealing device in which a magnetic fluid is magnetically captured by a soft magnetic shaft, a permanent magnet is magnetized in the radial direction so as to have two strip-shaped N and S poles in parallel on the inner peripheral surface, and the permanent magnet An annular soft magnetic housing is provided on the outer periphery of the permanent magnet in order to block leakage magnetic flux generated from the outer periphery and to connect with the yoke of the permanent magnet, and a magnetic fluid is placed between the permanent magnet and the shaft. A sealing device characterized in that it is configured to be captured by the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5141486U JPS62164655U (en) | 1986-04-08 | 1986-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5141486U JPS62164655U (en) | 1986-04-08 | 1986-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62164655U true JPS62164655U (en) | 1987-10-19 |
Family
ID=30875648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5141486U Pending JPS62164655U (en) | 1986-04-08 | 1986-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62164655U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231271A (en) * | 1983-06-11 | 1984-12-25 | Tohoku Metal Ind Ltd | Magnetic fluid sealing device |
-
1986
- 1986-04-08 JP JP5141486U patent/JPS62164655U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231271A (en) * | 1983-06-11 | 1984-12-25 | Tohoku Metal Ind Ltd | Magnetic fluid sealing device |