DE69010592D1 - Dichtung und Lager mit magnetisierbarer Flüssigkeit. - Google Patents

Dichtung und Lager mit magnetisierbarer Flüssigkeit.

Info

Publication number
DE69010592D1
DE69010592D1 DE69010592T DE69010592T DE69010592D1 DE 69010592 D1 DE69010592 D1 DE 69010592D1 DE 69010592 T DE69010592 T DE 69010592T DE 69010592 T DE69010592 T DE 69010592T DE 69010592 D1 DE69010592 D1 DE 69010592D1
Authority
DE
Germany
Prior art keywords
seal
bearing
magnetizable liquid
magnetizable
liquid
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 - Fee Related
Application number
DE69010592T
Other languages
English (en)
Other versions
DE69010592T2 (de
Inventor
Johan Christian Marinus Bras
Vedran Andelo Tadic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF Industrial Trading and Development Co BV
Original Assignee
SKF Industrial Trading and Development Co BV
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 Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Application granted granted Critical
Publication of DE69010592D1 publication Critical patent/DE69010592D1/de
Publication of DE69010592T2 publication Critical patent/DE69010592T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69010592T 1989-08-17 1990-08-01 Dichtung und Lager mit magnetisierbarer Flüssigkeit. Expired - Fee Related DE69010592T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8902086A NL8902086A (nl) 1989-08-17 1989-08-17 Afdicht- en glijlagersamenstel met een magnetische vloeistof.

Publications (2)

Publication Number Publication Date
DE69010592D1 true DE69010592D1 (de) 1994-08-18
DE69010592T2 DE69010592T2 (de) 1995-01-05

Family

ID=19855176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010592T Expired - Fee Related DE69010592T2 (de) 1989-08-17 1990-08-01 Dichtung und Lager mit magnetisierbarer Flüssigkeit.

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
CN109643930A (zh) 2016-08-23 2019-04-16 洛德公司 用于磁响应装置、***和方法的磁性密封件

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
JPS61160672A (ja) * 1984-11-20 1986-07-21 フエロフルイデイクス・コ−ポレイシヨン 磁性流体シ−ル装置およびシ−ル方法
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
EP0414294A1 (de) 1991-02-27
JPH0384267A (ja) 1991-04-09
US5100159A (en) 1992-03-31
EP0414294B1 (de) 1994-07-13
NL8902086A (nl) 1991-03-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee