JPS6324196B2 - - Google Patents
Info
- Publication number
- JPS6324196B2 JPS6324196B2 JP58230631A JP23063183A JPS6324196B2 JP S6324196 B2 JPS6324196 B2 JP S6324196B2 JP 58230631 A JP58230631 A JP 58230631A JP 23063183 A JP23063183 A JP 23063183A JP S6324196 B2 JPS6324196 B2 JP S6324196B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic fluid
- sealing element
- shaft sealing
- vacuum
- shaft
- 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 29
- 238000007789 sealing Methods 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
-
- 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)
- Sealing Of Bearings (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58230631A JPS60125467A (ja) | 1983-12-08 | 1983-12-08 | 磁性流体による高真空の軸封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58230631A JPS60125467A (ja) | 1983-12-08 | 1983-12-08 | 磁性流体による高真空の軸封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60125467A JPS60125467A (ja) | 1985-07-04 |
JPS6324196B2 true JPS6324196B2 (enrdf_load_stackoverflow) | 1988-05-19 |
Family
ID=16910807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58230631A Granted JPS60125467A (ja) | 1983-12-08 | 1983-12-08 | 磁性流体による高真空の軸封装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60125467A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4830384A (en) * | 1987-06-29 | 1989-05-16 | Ferrofluidics Corporation | Compact long-life magnetic fluid seal |
DE3807893C2 (de) * | 1988-03-10 | 1994-02-24 | Freudenberg Carl Fa | Dichtung für eine magnetisierbare Welle |
JP2008064315A (ja) * | 2007-10-29 | 2008-03-21 | Nabtesco Corp | シール |
CN103759015B (zh) * | 2014-01-17 | 2015-05-06 | 北京交通大学 | 用于密封液体的微泵式上游泵送磁性液体密封装置 |
CN104763575B (zh) * | 2015-02-04 | 2017-07-07 | 浙江大学 | 一种海流能发电系统叶轮主轴密封装置 |
CN109114037A (zh) * | 2018-10-30 | 2019-01-01 | 江苏优联环境发展有限公司 | 无泄漏轴密封潜水泵 |
-
1983
- 1983-12-08 JP JP58230631A patent/JPS60125467A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60125467A (ja) | 1985-07-04 |
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