NL8902086A - Afdicht- en glijlagersamenstel met een magnetische vloeistof. - Google Patents

Afdicht- en glijlagersamenstel met een magnetische vloeistof. Download PDF

Info

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
Application number
NL8902086A
Other languages
English (en)
Dutch (nl)
Original Assignee
Skf Ind Trading & Dev
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Priority to NL8902086A priority Critical patent/NL8902086A/nl
Priority to EP90202093A priority patent/EP0414294B1/de
Priority to DE69010592T priority patent/DE69010592T2/de
Priority to US07/561,106 priority patent/US5100159A/en
Priority to JP2205316A priority patent/JPH0384267A/ja
Publication of NL8902086A publication Critical patent/NL8902086A/nl

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)
NL8902086A 1989-08-17 1989-08-17 Afdicht- en glijlagersamenstel met een magnetische vloeistof. NL8902086A (nl)

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.
EP90202093A EP0414294B1 (de) 1989-08-17 1990-08-01 Dichtung und Lager mit magnetisierbarer Flüssigkeit
DE69010592T DE69010592T2 (de) 1989-08-17 1990-08-01 Dichtung und Lager mit magnetisierbarer Flüssigkeit.
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 (de)
EP (1) EP0414294B1 (de)
JP (1) JPH0384267A (de)
DE (1) DE69010592T2 (de)
NL (1) NL8902086A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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 (de) 2016-08-23 2019-07-03 LORD Corporation Magnetdichtung für magnetisch reagierende vorrichtungen, systeme und verfahren

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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 (de) * 1984-11-20 1986-10-08 Ferrofluidics Corporation Einrichtung und Verfahren zur Dichtung mittels Ferrofluid
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
US4830384A (en) * 1987-06-29 1989-05-16 Ferrofluidics Corporation Compact long-life magnetic fluid seal
JPS644868U (de) * 1987-06-29 1989-01-12

Also Published As

Publication number Publication date
DE69010592T2 (de) 1995-01-05
US5100159A (en) 1992-03-31
EP0414294B1 (de) 1994-07-13
JPH0384267A (ja) 1991-04-09
EP0414294A1 (de) 1991-02-27
DE69010592D1 (de) 1994-08-18

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BV The patent application has lapsed