JPS6143588B2 - - Google Patents
Info
- Publication number
- JPS6143588B2 JPS6143588B2 JP56090950A JP9095081A JPS6143588B2 JP S6143588 B2 JPS6143588 B2 JP S6143588B2 JP 56090950 A JP56090950 A JP 56090950A JP 9095081 A JP9095081 A JP 9095081A JP S6143588 B2 JPS6143588 B2 JP S6143588B2
- Authority
- JP
- Japan
- Prior art keywords
- annular
- magnetic
- magnetic pole
- pole piece
- 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 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000004907 flux Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 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
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder 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
- F16J15/16—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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56090950A JPS57208358A (en) | 1981-06-15 | 1981-06-15 | Shaft sealing device using magnetic fluid |
DE19823222293 DE3222293A1 (de) | 1981-06-15 | 1982-06-14 | Magnetfluessigkeit-dichtungsvorrichtung |
FR8210391A FR2507730B1 (fr) | 1981-06-15 | 1982-06-15 | Dispositif d'etancheite a fluide magnetique |
GB08217272A GB2104165B (en) | 1981-06-15 | 1982-06-15 | Magnetic fluid sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56090950A JPS57208358A (en) | 1981-06-15 | 1981-06-15 | Shaft sealing device using magnetic fluid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57208358A JPS57208358A (en) | 1982-12-21 |
JPS6143588B2 true JPS6143588B2 (nl) | 1986-09-29 |
Family
ID=14012748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56090950A Granted JPS57208358A (en) | 1981-06-15 | 1981-06-15 | Shaft sealing device using magnetic fluid |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS57208358A (nl) |
DE (1) | DE3222293A1 (nl) |
FR (1) | FR2507730B1 (nl) |
GB (1) | GB2104165B (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0513067B2 (nl) * | 1984-12-12 | 1993-02-19 | Nippon Electric Co |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2236363B (en) * | 1986-06-24 | 1991-07-31 | Papst Motoren Gmbh & Co Kg | Magnetic fluid seal apparatus |
CH676740A5 (nl) * | 1986-06-24 | 1991-02-28 | Papst Motoren Gmbh & Co Kg | |
DE3622306A1 (de) * | 1986-07-03 | 1988-01-07 | Hommelwerke Gmbh | Laengenmesstaster, insbesondere zur abtastung der oberflaeche eines werkstueckes |
NL8902086A (nl) * | 1989-08-17 | 1991-03-18 | Skf Ind Trading & Dev | Afdicht- en glijlagersamenstel met een magnetische vloeistof. |
JP3252090B2 (ja) * | 1996-07-10 | 2002-01-28 | キヤノン株式会社 | 現像装置 |
CN103115152B (zh) * | 2013-01-30 | 2015-05-06 | 北京交通大学 | 一种磁性液体与迷宫交替式组合密封 |
CN103234049B (zh) * | 2013-04-12 | 2015-10-28 | 北京交通大学 | 提高分瓣式磁性液体密封装置的密封可靠性和寿命的方法 |
CN108980361A (zh) * | 2018-08-13 | 2018-12-11 | 广西科技大学 | 一种强聚磁型磁流体密封结构 |
CN112648381B (zh) * | 2020-12-30 | 2021-12-07 | 清华大学 | 磁性液体密封装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US783881A (en) * | 1904-12-09 | 1905-02-28 | Samuel Mayper | Hose-supporter. |
GB783881A (en) * | 1954-03-05 | 1957-10-02 | Vickers Electrical Co Ltd | Improvements relating to shaft and like seals |
US3620584A (en) * | 1970-05-25 | 1971-11-16 | Ferrofluidics Corp | Magnetic fluid seals |
JPS519853A (ja) * | 1974-07-03 | 1976-01-26 | Suwa Seikosha Kk | Ekishohaikoyosumakuniokeru bunshihokono ketsuteihoho |
JPS5530562A (en) * | 1978-08-25 | 1980-03-04 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic fluid feeder |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU742657A1 (ru) * | 1978-03-28 | 1980-06-25 | Предприятие П/Я Г-4213 | Магнитожидкостное уплотнение |
-
1981
- 1981-06-15 JP JP56090950A patent/JPS57208358A/ja active Granted
-
1982
- 1982-06-14 DE DE19823222293 patent/DE3222293A1/de active Granted
- 1982-06-15 FR FR8210391A patent/FR2507730B1/fr not_active Expired
- 1982-06-15 GB GB08217272A patent/GB2104165B/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US783881A (en) * | 1904-12-09 | 1905-02-28 | Samuel Mayper | Hose-supporter. |
GB783881A (en) * | 1954-03-05 | 1957-10-02 | Vickers Electrical Co Ltd | Improvements relating to shaft and like seals |
US3620584A (en) * | 1970-05-25 | 1971-11-16 | Ferrofluidics Corp | Magnetic fluid seals |
JPS519853A (ja) * | 1974-07-03 | 1976-01-26 | Suwa Seikosha Kk | Ekishohaikoyosumakuniokeru bunshihokono ketsuteihoho |
JPS5530562A (en) * | 1978-08-25 | 1980-03-04 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic fluid feeder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0513067B2 (nl) * | 1984-12-12 | 1993-02-19 | Nippon Electric Co |
Also Published As
Publication number | Publication date |
---|---|
DE3222293A1 (de) | 1982-12-30 |
GB2104165A (en) | 1983-03-02 |
JPS57208358A (en) | 1982-12-21 |
DE3222293C2 (nl) | 1987-12-10 |
GB2104165B (en) | 1985-08-21 |
FR2507730B1 (fr) | 1985-12-13 |
FR2507730A1 (fr) | 1982-12-17 |
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