JPH0431369U - - Google Patents
Info
- Publication number
- JPH0431369U JPH0431369U JP7270190U JP7270190U JPH0431369U JP H0431369 U JPH0431369 U JP H0431369U JP 7270190 U JP7270190 U JP 7270190U JP 7270190 U JP7270190 U JP 7270190U JP H0431369 U JPH0431369 U JP H0431369U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- annular projection
- magnetic fluid
- rotating shaft
- tip
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図はこの考案の一実施例である磁性流体シ
ール装置の軸方向断面図、第２図はこの考案の他
の実施例である磁性流体シール装置の軸方向断面
図、第３図は従来の磁性流体シール装置の軸方向
断面図である。
１……固定ケーシング、２……回転軸、３……
永久磁石、３ａ，３ｂ……磁性体リング、４……
環状突起。
Fig. 1 is an axial sectional view of a magnetic fluid seal device which is an embodiment of this invention, Fig. 2 is an axial sectional view of a magnetic fluid seal device which is another embodiment of this invention, and Fig. 3 is a conventional FIG. 2 is an axial cross-sectional view of the magnetic fluid seal device of FIG. 1... Fixed casing, 2... Rotating shaft, 3...
Permanent magnet, 3a, 3b...Magnetic ring, 4...
Annular process.
Claims (1)
む２個の円環板状の磁性リングで複数個の永久磁
石を挟持し、２個の磁性体リングのうち少なくと
も１個は内周面先端の厚みを薄くして環状突起を
形成し、この環状突起の先端と対向する回転軸の
外周面との間に磁性流体を介在させた磁性流体シ
ール装置において、前記環状突起を有する磁性体
リングは純鉄とアルミからなる磁性複合材料で形
成されたことを特徴とする磁性流体シール装置。 A plurality of permanent magnets are sandwiched between two annular plate-shaped magnetic rings surrounding the rotating shaft inside a cylindrical fixed casing, and at least one of the two magnetic rings is attached to the tip of the inner peripheral surface. In a magnetic fluid sealing device in which an annular projection is formed with a reduced thickness and a magnetic fluid is interposed between the tip of the annular projection and the outer circumferential surface of an opposing rotating shaft, the magnetic ring having the annular projection is pure. A magnetic fluid seal device characterized by being made of a magnetic composite material made of iron and aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7270190U JPH0431369U (en) | 1990-07-09 | 1990-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7270190U JPH0431369U (en) | 1990-07-09 | 1990-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0431369U true JPH0431369U (en) | 1992-03-13 |
Family
ID=31610870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7270190U Pending JPH0431369U (en) | 1990-07-09 | 1990-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431369U (en) |
-
1990
- 1990-07-09 JP JP7270190U patent/JPH0431369U/ja active Pending