JPH058384Y2 - - Google Patents
Info
- Publication number
- JPH058384Y2 JPH058384Y2 JP1987038908U JP3890887U JPH058384Y2 JP H058384 Y2 JPH058384 Y2 JP H058384Y2 JP 1987038908 U JP1987038908 U JP 1987038908U JP 3890887 U JP3890887 U JP 3890887U JP H058384 Y2 JPH058384 Y2 JP H058384Y2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- inner diameter
- pole piece
- outer diameter
- magnetic
- 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.)
- Expired - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims description 24
- 239000011553 magnetic fluid Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005294 ferromagnetic effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 description 1
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987038908U JPH058384Y2 (US08063081-20111122-C00044.png) | 1987-03-17 | 1987-03-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987038908U JPH058384Y2 (US08063081-20111122-C00044.png) | 1987-03-17 | 1987-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63146260U JPS63146260U (US08063081-20111122-C00044.png) | 1988-09-27 |
JPH058384Y2 true JPH058384Y2 (US08063081-20111122-C00044.png) | 1993-03-02 |
Family
ID=30851585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987038908U Expired - Lifetime JPH058384Y2 (US08063081-20111122-C00044.png) | 1987-03-17 | 1987-03-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH058384Y2 (US08063081-20111122-C00044.png) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5292169U (US08063081-20111122-C00044.png) * | 1976-01-06 | 1977-07-09 |
-
1987
- 1987-03-17 JP JP1987038908U patent/JPH058384Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63146260U (US08063081-20111122-C00044.png) | 1988-09-27 |