JPS5578862A - Magnetic fluid seal - Google Patents
Magnetic fluid sealInfo
- Publication number
- JPS5578862A JPS5578862A JP15342478A JP15342478A JPS5578862A JP S5578862 A JPS5578862 A JP S5578862A JP 15342478 A JP15342478 A JP 15342478A JP 15342478 A JP15342478 A JP 15342478A JP S5578862 A JPS5578862 A JP S5578862A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic fluid
- shaft
- magnetic
- yoke
- constitution
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15342478A JPS5578862A (en) | 1978-12-12 | 1978-12-12 | Magnetic fluid seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15342478A JPS5578862A (en) | 1978-12-12 | 1978-12-12 | Magnetic fluid seal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5578862A true JPS5578862A (en) | 1980-06-13 |
JPS5612745B2 JPS5612745B2 (ja) | 1981-03-24 |
Family
ID=15562196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15342478A Granted JPS5578862A (en) | 1978-12-12 | 1978-12-12 | Magnetic fluid seal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5578862A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5474302A (en) * | 1992-08-27 | 1995-12-12 | Ferrofluidics Corporation | On-site fillable ferrofluidic seal |
US5806856A (en) * | 1992-08-27 | 1998-09-15 | Ferrofluidics Corporation | On-site fillable liquid magnetic seal |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5395951U (ja) * | 1977-01-05 | 1978-08-04 |
-
1978
- 1978-12-12 JP JP15342478A patent/JPS5578862A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5395951U (ja) * | 1977-01-05 | 1978-08-04 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5474302A (en) * | 1992-08-27 | 1995-12-12 | Ferrofluidics Corporation | On-site fillable ferrofluidic seal |
US5806856A (en) * | 1992-08-27 | 1998-09-15 | Ferrofluidics Corporation | On-site fillable liquid magnetic seal |
Also Published As
Publication number | Publication date |
---|---|
JPS5612745B2 (ja) | 1981-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3375501D1 (en) | Ferrofluid seal apparatus and method of providing same | |
JPS5578862A (en) | Magnetic fluid seal | |
JPS5530528A (en) | Bearing device | |
JPS5712167A (en) | Magnetic fluid sealing device | |
ES8201107A1 (es) | Un aparato para tratamiento magnetico de un liquido circu- lante | |
JPS6483976A (en) | Magnetic fluid seal device | |
JPS55107163A (en) | Magnetic fluid seal | |
KR900700802A (ko) | 철 함유 유체를 가진 다단계 밀봉장치 | |
SU773353A1 (ru) | Магнитно-жидкостное уплотнение вращающегос вала | |
JPS55135269A (en) | Sealing device | |
JPS57208333A (en) | Delay device utilizing liquid sealed by magnetic fluid | |
JPS5652670A (en) | Electromagnetic valve | |
JPS5642766A (en) | Magnetic fluid supplier | |
DE3880127D1 (en) | Ferrofluiddichtung. | |
JPS54108161A (en) | Magnetic fluid seal | |
SU962707A1 (ru) | Магнитожидкостное уплотнение | |
JPS5698760A (en) | Magnetic disk device | |
JPS5797965A (en) | Magnetic fluid sealing device | |
JPS5438518A (en) | Magnetic shield for electric induction | |
SU1315702A1 (ru) | Устройство дл намагничивани магнитного узла магнитожидкостного уплотнени | |
SU916845A1 (ru) | Магнитно-жидкостное уплотнение | |
SU974000A1 (ru) | Магнитожидкостное уплотнение | |
JPS6483921A (en) | Bearing device | |
JPS55151316A (en) | Saturation type leakage transformer | |
JPS56143842A (en) | Damper |