DE68910055D1 - Dichtungsvorrichtung mit einer magnetischen Flüssigkeit. - Google Patents

Dichtungsvorrichtung mit einer magnetischen Flüssigkeit.

Info

Publication number
DE68910055D1
DE68910055D1 DE89201923T DE68910055T DE68910055D1 DE 68910055 D1 DE68910055 D1 DE 68910055D1 DE 89201923 T DE89201923 T DE 89201923T DE 68910055 T DE68910055 T DE 68910055T DE 68910055 D1 DE68910055 D1 DE 68910055D1
Authority
DE
Germany
Prior art keywords
sealing device
magnetic liquid
magnetic
liquid
sealing
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
DE89201923T
Other languages
English (en)
Other versions
DE68910055T2 (de
Inventor
Vedran Andelo Tadic
Boerje Dr Andersson
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
Publication of DE68910055D1 publication Critical patent/DE68910055D1/de
Application granted granted Critical
Publication of DE68910055T2 publication Critical patent/DE68910055T2/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/919—Seal including electrical feature

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 With Elastic Sealing Lips (AREA)
DE68910055T 1988-08-02 1989-07-21 Dichtungsvorrichtung mit einer magnetischen Flüssigkeit. Expired - Fee Related DE68910055T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8801925A NL8801925A (nl) 1988-08-02 1988-08-02 Afdichtsamenstel met een magnetische vloeistof.

Publications (2)

Publication Number Publication Date
DE68910055D1 true DE68910055D1 (de) 1993-11-25
DE68910055T2 DE68910055T2 (de) 1994-05-19

Family

ID=19852700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68910055T Expired - Fee Related DE68910055T2 (de) 1988-08-02 1989-07-21 Dichtungsvorrichtung mit einer magnetischen Flüssigkeit.

Country Status (6)

Country Link
US (1) US5118118A (de)
EP (1) EP0357105B1 (de)
JP (1) JPH0280866A (de)
DE (1) DE68910055T2 (de)
ES (1) ES2045389T3 (de)
NL (1) NL8801925A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267737A (en) * 1992-01-16 1993-12-07 International Business Machines, Corp. Magnetic fluid seal containment shield
US6029978A (en) * 1996-09-17 2000-02-29 Seagate Technology, Inc. Grounding and conductivity improvement for ferrofluid seals
US5876037A (en) * 1996-11-19 1999-03-02 Ferrotec Corporation Magnetic fluid sealing device
US5799951A (en) * 1996-11-21 1998-09-01 Varian Associates, Inc. Rotating sealing device
US6199867B1 (en) * 1997-09-30 2001-03-13 Rigaku/Usa, Inc. Rotary motion feedthrough device
EP1326038B1 (de) * 2000-10-12 2007-12-12 Nok Corporation Magnetische dichtungsvorrichtung
US8264347B2 (en) * 2008-06-24 2012-09-11 Trelleborg Sealing Solutions Us, Inc. Seal system in situ lifetime measurement
CN101737494B (zh) * 2010-02-03 2011-07-20 北京交通大学 大直径法兰盘磁性液体静密封装置
CN101737497B (zh) * 2010-02-11 2011-08-03 北京交通大学 一种磁性液体与三斜口填料环组合式往复轴密封装置
TW201204965A (en) * 2010-07-23 2012-02-01 qi-yun Gong Sealing device
TW201204966A (en) * 2010-07-23 2012-02-01 qi-yun Gong Magnetic fluid sealing device
KR101456809B1 (ko) * 2011-02-03 2014-10-31 이글 고오교 가부시키가이샤 자성 유체 실
JP5500219B2 (ja) * 2011-09-28 2014-05-21 株式会社デンソー 流体ブレーキ装置及びバルブタイミング調整装置
DE102017005663A1 (de) * 2017-06-14 2018-12-20 Hochschule Niederrhein Hydrostatische Gleitlageranordnung
CN107842613B (zh) * 2017-12-13 2019-04-02 广西科技大学 一种弧形阶梯式磁流体密封装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996162A (en) * 1958-04-07 1961-08-15 Henry C Lehde Devices for excluding magnetic particles from seals and bearings
US4171818A (en) * 1977-04-04 1979-10-23 Ferrofluidics Corporation Dynamic lip seal using ferrofluids as sealant/lubricant
JPS5843633B2 (ja) * 1979-04-09 1983-09-28 エヌオーケー株式会社 シ−ル装置
JPS5712167A (en) * 1980-06-23 1982-01-22 Nippon Seiko Kk Magnetic fluid sealing device
SU962707A1 (ru) * 1981-03-12 1982-09-30 Специальное Конструкторско-Технологическое Бюро "Полюс" При Ивановском Ордена Знак Почета Энергетическом Институте Им.В.И.Ленина Магнитожидкостное уплотнение
GB2114682B (en) * 1982-02-09 1985-09-11 Skf Svenska Kullagerfab Ab Rolling bearing assemblies fitted with seals
DE3430479A1 (de) * 1983-08-26 1985-03-07 Ferrofluidics Corp., Nashua, N.H. Lageranordnung mit integrierter ferrofluid-dichtung
JPS60110080A (ja) * 1983-11-21 1985-06-15 Matsushita Electric Ind Co Ltd 画像回転方法及びその装置
EP0182656A3 (de) * 1984-11-20 1986-10-08 Ferrofluidics Corporation Einrichtung und Verfahren zur Dichtung mittels Ferrofluid
US4604229A (en) * 1985-03-20 1986-08-05 Ferrofluidics Corporation Electrically conductive ferrofluid compositions and method of preparing and using same
US4817964A (en) * 1985-09-25 1989-04-04 Ferrofluidics Corporation Ferrofluid exclusion seal and method of assembly
NL8601017A (nl) * 1986-04-21 1987-11-16 Skf Ind Trading & Dev Wentellager.
NL8601030A (nl) * 1986-04-22 1987-11-16 Skf Ind Trading & Dev Wentellager.

Also Published As

Publication number Publication date
US5118118A (en) 1992-06-02
NL8801925A (nl) 1990-03-01
JPH0280866A (ja) 1990-03-20
DE68910055T2 (de) 1994-05-19
EP0357105A1 (de) 1990-03-07
ES2045389T3 (es) 1994-01-16
EP0357105B1 (de) 1993-10-20

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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