JPS63184267U - - Google Patents
Info
- Publication number
- JPS63184267U JPS63184267U JP7554587U JP7554587U JPS63184267U JP S63184267 U JPS63184267 U JP S63184267U JP 7554587 U JP7554587 U JP 7554587U JP 7554587 U JP7554587 U JP 7554587U JP S63184267 U JPS63184267 U JP S63184267U
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- magnetic fluid
- permanent magnet
- magnet
- interposing
- 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 6
- 230000005389 magnetism Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案に係る磁性流体シール装置の半
截断面図、第２図は同装置の組み込み前の状態を
示す部分断面図、第３図及び第４図は本考案の変
更実施例に係る磁性流体シール装置の半截断面図
、第５図は従来の磁性流体シール装置の半截断面
図である。
符号の説明、１，６…ポールピース、２…回転
軸、３…永久磁石、４…磁性流体、５…磁気回路
。
Fig. 1 is a half-cut sectional view of the magnetic fluid seal device according to the present invention, Fig. 2 is a partial sectional view showing the state of the device before installation, and Figs. 3 and 4 are according to modified embodiments of the present invention. FIG. 5 is a half-cut sectional view of a conventional magnetic fluid seal device. Explanation of symbols: 1, 6...Pole piece, 2...Rotating shaft, 3...Permanent magnet, 4...Magnetic fluid, 5...Magnetic circuit.
Claims (1)
けるとともに、該ポールピースと可動部材との間
に磁性流体を介在せしめて構成される磁性流体シ
ール装置において、前記永久磁石の内、外周面に
それぞれ着磁を施し、前記ポールピースを断面形
状がコ字状を成す環状に成形するとともに、該ポ
ールピース内に前記永久磁石を内嵌したことを特
徴とする磁性流体シール装置。 In a magnetic fluid seal device configured by attaching a pole piece to a magnetized permanent magnet and interposing a magnetic fluid between the pole piece and a movable member, the magnet is attached to the inner and outer peripheral surfaces of the permanent magnet, respectively. A magnetic fluid sealing device characterized in that the pole piece is formed into an annular shape having a U-shaped cross section by applying magnetism, and the permanent magnet is fitted inside the pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7554587U JPS63184267U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7554587U JPS63184267U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63184267U true JPS63184267U (en) | 1988-11-28 |
Family
ID=30921786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7554587U Pending JPS63184267U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63184267U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231776A (en) * | 1985-08-02 | 1987-02-10 | Tohoku Metal Ind Ltd | Magnetic-fluid sealing device |
-
1987
- 1987-05-20 JP JP7554587U patent/JPS63184267U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231776A (en) * | 1985-08-02 | 1987-02-10 | Tohoku Metal Ind Ltd | Magnetic-fluid sealing device |