JPS623579Y2 - - Google Patents
Info
- Publication number
- JPS623579Y2 JPS623579Y2 JP1981121437U JP12143781U JPS623579Y2 JP S623579 Y2 JPS623579 Y2 JP S623579Y2 JP 1981121437 U JP1981121437 U JP 1981121437U JP 12143781 U JP12143781 U JP 12143781U JP S623579 Y2 JPS623579 Y2 JP S623579Y2
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- magnetic fluid
- seal
- shaft body
- permanent magnet
- 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
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 52
- 238000007789 sealing Methods 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 230000005291 magnetic effect Effects 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009423 ventilation Methods 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 |
---|---|---|---|
JP12143781U JPS5828159U (ja) | 1981-08-18 | 1981-08-18 | 磁性流体シ−ル装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12143781U JPS5828159U (ja) | 1981-08-18 | 1981-08-18 | 磁性流体シ−ル装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5828159U JPS5828159U (ja) | 1983-02-23 |
JPS623579Y2 true JPS623579Y2 (US07943777-20110517-C00090.png) | 1987-01-27 |
Family
ID=29915372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12143781U Granted JPS5828159U (ja) | 1981-08-18 | 1981-08-18 | 磁性流体シ−ル装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5828159U (US07943777-20110517-C00090.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012041831A (ja) * | 2010-08-16 | 2012-03-01 | Denso Corp | 流体ブレーキ装置及びバルブタイミング調整装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB783881A (en) * | 1954-03-05 | 1957-10-02 | Vickers Electrical Co Ltd | Improvements relating to shaft and like seals |
GB959073A (en) * | 1962-06-23 | 1964-05-27 | Crane Packing Ltd | Improvements relating to seals |
GB1292338A (en) * | 1968-10-28 | 1972-10-11 | Karl-Heinz Steigwald | Sealing means |
US4054293A (en) * | 1976-12-27 | 1977-10-18 | Borg-Warner Corporation | Hybrid magnetic fluid shaft seals |
JPS5430347A (en) * | 1977-08-10 | 1979-03-06 | Fuji Electric Co Ltd | Magnetic fluid sealing equipment |
JPS5551124A (en) * | 1978-10-03 | 1980-04-14 | Nippon Telegr & Teleph Corp <Ntt> | Bearing device |
JPS5557761A (en) * | 1978-10-26 | 1980-04-28 | Fujitsu Ltd | Vacuum seal |
GB1575145A (en) * | 1976-06-26 | 1980-09-17 | Maschf Augsburg Nuernberg Ag | Seal assembly |
JPS55166567A (en) * | 1979-06-11 | 1980-12-25 | Rigaku Denki Kk | Shaft sealing apparatus by magnetic fluid |
JPS57146956A (en) * | 1980-11-19 | 1982-09-10 | Ferrofluidics Corp | Device and method for sealing rotary shaft by magnetic fluid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5913375Y2 (ja) * | 1977-02-02 | 1984-04-20 | ソニー株式会社 | 流体クラツチに於けるシ−ル装置 |
-
1981
- 1981-08-18 JP JP12143781U patent/JPS5828159U/ja active Granted
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB783881A (en) * | 1954-03-05 | 1957-10-02 | Vickers Electrical Co Ltd | Improvements relating to shaft and like seals |
GB959073A (en) * | 1962-06-23 | 1964-05-27 | Crane Packing Ltd | Improvements relating to seals |
GB1292338A (en) * | 1968-10-28 | 1972-10-11 | Karl-Heinz Steigwald | Sealing means |
GB1575145A (en) * | 1976-06-26 | 1980-09-17 | Maschf Augsburg Nuernberg Ag | Seal assembly |
US4054293A (en) * | 1976-12-27 | 1977-10-18 | Borg-Warner Corporation | Hybrid magnetic fluid shaft seals |
JPS5430347A (en) * | 1977-08-10 | 1979-03-06 | Fuji Electric Co Ltd | Magnetic fluid sealing equipment |
JPS5551124A (en) * | 1978-10-03 | 1980-04-14 | Nippon Telegr & Teleph Corp <Ntt> | Bearing device |
JPS5557761A (en) * | 1978-10-26 | 1980-04-28 | Fujitsu Ltd | Vacuum seal |
JPS55166567A (en) * | 1979-06-11 | 1980-12-25 | Rigaku Denki Kk | Shaft sealing apparatus by magnetic fluid |
JPS57146956A (en) * | 1980-11-19 | 1982-09-10 | Ferrofluidics Corp | Device and method for sealing rotary shaft by magnetic fluid |
Also Published As
Publication number | Publication date |
---|---|
JPS5828159U (ja) | 1983-02-23 |
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