NL8902086A - Afdicht- en glijlagersamenstel met een magnetische vloeistof. - Google Patents
Afdicht- en glijlagersamenstel met een magnetische vloeistof. Download PDFInfo
- Publication number
- NL8902086A NL8902086A NL8902086A NL8902086A NL8902086A NL 8902086 A NL8902086 A NL 8902086A NL 8902086 A NL8902086 A NL 8902086A NL 8902086 A NL8902086 A NL 8902086A NL 8902086 A NL8902086 A NL 8902086A
- Authority
- NL
- Netherlands
- Prior art keywords
- pole piece
- magnets
- annular
- axis
- magnetic
- Prior art date
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
- F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
- F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
-
- 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)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902086A NL8902086A (nl) | 1989-08-17 | 1989-08-17 | Afdicht- en glijlagersamenstel met een magnetische vloeistof. |
DE69010592T DE69010592T2 (de) | 1989-08-17 | 1990-08-01 | Dichtung und Lager mit magnetisierbarer Flüssigkeit. |
EP90202093A EP0414294B1 (en) | 1989-08-17 | 1990-08-01 | Sealing and friction bearing unit containing a magnetic fluid |
US07/561,106 US5100159A (en) | 1989-08-17 | 1990-08-01 | Sealing and friction bearing unit containing a magnetic fluid |
JP2205316A JPH0384267A (ja) | 1989-08-17 | 1990-08-03 | 磁性流体を保持するシール装置またはすべり軸受装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902086 | 1989-08-17 | ||
NL8902086A NL8902086A (nl) | 1989-08-17 | 1989-08-17 | Afdicht- en glijlagersamenstel met een magnetische vloeistof. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8902086A true NL8902086A (nl) | 1991-03-18 |
Family
ID=19855176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8902086A NL8902086A (nl) | 1989-08-17 | 1989-08-17 | Afdicht- en glijlagersamenstel met een magnetische vloeistof. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5100159A (ja) |
EP (1) | EP0414294B1 (ja) |
JP (1) | JPH0384267A (ja) |
DE (1) | DE69010592T2 (ja) |
NL (1) | NL8902086A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161900A (en) * | 1992-04-10 | 1992-11-10 | International Business Machines, Corp. | Self-contained low power fluid bearing and bearing seal |
US5367416A (en) * | 1992-12-31 | 1994-11-22 | International Business Machines Corporation | Spindle grounding device using magnetic fluid |
DE102006051992B3 (de) * | 2006-11-03 | 2008-01-31 | Dtg - Development & Technology Gmbh | Magnetflüssigkeitsdichtung zur Abdichtung einer Welle oder Achse gegenüber einer Nabe |
CN101377985B (zh) * | 2007-08-31 | 2012-08-22 | 湖南维格磁流体股份有限公司 | 中高压电力开关设备用动密封装置 |
EP3504775A1 (en) | 2016-08-23 | 2019-07-03 | LORD Corporation | Magnetic seal for magnetically-responsive devices, systems, and methods |
Family Cites Families (13)
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 |
US3734578A (en) * | 1970-01-23 | 1973-05-22 | Ferrofluidics Corp | Magnetic fluid pneumatic bearings |
SU651159A1 (ru) * | 1978-02-06 | 1979-03-05 | Ивановский энергетический институт им. В.И.Ленина | Магнитожидкостное уплотнение |
JPS57208358A (en) * | 1981-06-15 | 1982-12-21 | Rigaku Denki Kk | Shaft sealing device using magnetic fluid |
JPS5950275A (ja) * | 1982-09-16 | 1984-03-23 | Rigaku Keisoku Kk | 磁性流体軸封装置 |
US4628384A (en) * | 1983-08-26 | 1986-12-09 | Ferrofluidics Corporation | Bearing assembly with integrated ferrofluid seal |
US4526380A (en) * | 1984-01-27 | 1985-07-02 | Ferrofluidics Corporation | Single pole piece multiple-stage ferrofluid seal apparatus |
US4526381A (en) * | 1984-01-31 | 1985-07-02 | Ezekiel Frederick D | Magnetic disc liquid supporting |
EP0182656A3 (en) * | 1984-11-20 | 1986-10-08 | Ferrofluidics Corporation | Ferrofluid seal apparatus and method |
DE3671790D1 (de) * | 1985-07-24 | 1990-07-12 | Hitachi Ltd | Dichtungsvorrichtung mit magnetischer fluessigkeit. |
JPS63219965A (ja) * | 1987-03-05 | 1988-09-13 | Nippon Seiko Kk | 磁性流体シ−ル装置 |
JPS644868U (ja) * | 1987-06-29 | 1989-01-12 | ||
US4830384A (en) * | 1987-06-29 | 1989-05-16 | Ferrofluidics Corporation | Compact long-life magnetic fluid seal |
-
1989
- 1989-08-17 NL NL8902086A patent/NL8902086A/nl not_active Application Discontinuation
-
1990
- 1990-08-01 EP EP90202093A patent/EP0414294B1/en not_active Expired - Lifetime
- 1990-08-01 DE DE69010592T patent/DE69010592T2/de not_active Expired - Fee Related
- 1990-08-01 US US07/561,106 patent/US5100159A/en not_active Expired - Fee Related
- 1990-08-03 JP JP2205316A patent/JPH0384267A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0414294A1 (en) | 1991-02-27 |
DE69010592D1 (de) | 1994-08-18 |
EP0414294B1 (en) | 1994-07-13 |
JPH0384267A (ja) | 1991-04-09 |
DE69010592T2 (de) | 1995-01-05 |
US5100159A (en) | 1992-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |