JPH01140071U - - Google Patents
Info
- Publication number
- JPH01140071U JPH01140071U JP3641988U JP3641988U JPH01140071U JP H01140071 U JPH01140071 U JP H01140071U JP 3641988 U JP3641988 U JP 3641988U JP 3641988 U JP3641988 U JP 3641988U JP H01140071 U JPH01140071 U JP H01140071U
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- annular
- gap
- plate
- cylindrical portion
- 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 11
- 238000007789 sealing Methods 0.000 claims 16
- 239000000696 magnetic material Substances 0.000 claims 7
- 230000002093 peripheral effect Effects 0.000 claims 5
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3641988U JPH01140071U (fi) | 1988-03-22 | 1988-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3641988U JPH01140071U (fi) | 1988-03-22 | 1988-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01140071U true JPH01140071U (fi) | 1989-09-25 |
Family
ID=31263025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3641988U Pending JPH01140071U (fi) | 1988-03-22 | 1988-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01140071U (fi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001004521A1 (en) * | 1999-07-09 | 2001-01-18 | Nok Corporation | Magnetic fluid seal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828159B1 (fi) * | 1971-02-23 | 1983-06-14 | Outboard Marine Corp | |
| JPS60155065A (ja) * | 1984-01-23 | 1985-08-14 | Nippon Fueroo Furuideikusu Kk | 磁性流体を利用した回転シヤフトのシ−ル装置 |
-
1988
- 1988-03-22 JP JP3641988U patent/JPH01140071U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828159B1 (fi) * | 1971-02-23 | 1983-06-14 | Outboard Marine Corp | |
| JPS60155065A (ja) * | 1984-01-23 | 1985-08-14 | Nippon Fueroo Furuideikusu Kk | 磁性流体を利用した回転シヤフトのシ−ル装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001004521A1 (en) * | 1999-07-09 | 2001-01-18 | Nok Corporation | Magnetic fluid seal |
| EP1213518A1 (en) * | 1999-07-09 | 2002-06-12 | Nok Corporation | Magnetic fluid seal |
| EP1213518A4 (en) * | 1999-07-09 | 2006-01-18 | Nok Corp | SEAL FOR MAGNETIC FLUID |