NL8801925A - Afdichtsamenstel met een magnetische vloeistof. - Google Patents

Afdichtsamenstel met een magnetische vloeistof. Download PDF

Info

Publication number: NL8801925A
Authority: NL; Netherlands
Prior art keywords: sealing; sealing assembly; permanent magnet; magnetic; gap
Prior art date: 1988-08-02

Application number

NL8801925A

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.)

1988-08-02

Filing date

1988-08-02

Publication date

1990-03-01

1988-08-02 Application filed by Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev

1988-08-02 Priority to NL8801925A priority Critical patent/NL8801925A/nl

1989-07-18 Priority to US07/381,384 priority patent/US5118118A/en

1989-07-21 Priority to EP89201923A priority patent/EP0357105B1/de

1989-07-21 Priority to ES89201923T priority patent/ES2045389T3/es

1989-07-21 Priority to DE68910055T priority patent/DE68910055T2/de

1989-07-31 Priority to JP1197041A priority patent/JPH0280866A/ja

1990-03-01 Publication of NL8801925A publication Critical patent/NL8801925A/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
- 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)

NL8801925A 1988-08-02 1988-08-02 Afdichtsamenstel met een magnetische vloeistof. NL8801925A (nl)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
NL8801925A NL8801925A (nl)	1988-08-02	1988-08-02	Afdichtsamenstel met een magnetische vloeistof.
US07/381,384 US5118118A (en)	1988-08-02	1989-07-18	Sealing assembly with a magnetic liquid
EP89201923A EP0357105B1 (de)	1988-08-02	1989-07-21	Dichtungsvorrichtung mit einer magnetischen Flüssigkeit
ES89201923T ES2045389T3 (es)	1988-08-02	1989-07-21	Dispositivo de obturacion con liquido magnetico.
DE68910055T DE68910055T2 (de)	1988-08-02	1989-07-21	Dichtungsvorrichtung mit einer magnetischen Flüssigkeit.
JP1197041A JPH0280866A (ja)	1988-08-02	1989-07-31	シール組立体

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8801925A NL8801925A (nl)	1988-08-02	1988-08-02	Afdichtsamenstel met een magnetische vloeistof.
NL8801925		1988-08-02

Publications (1)

Publication Number	Publication Date
NL8801925A true NL8801925A (nl)	1990-03-01

Family

ID=19852700

Family Applications (1)

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

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
JP4078978B2 (ja) *	2000-10-12	2008-04-23	Ｎｏｋ株式会社	磁性流体シール装置
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
JP5806241B2 (ja) *	2011-02-03	2015-11-10	イーグル工業株式会社	磁性流体シール
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
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
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.

1988
- 1988-08-02 NL NL8801925A patent/NL8801925A/nl not_active Application Discontinuation
1989
- 1989-07-18 US US07/381,384 patent/US5118118A/en not_active Expired - Fee Related
- 1989-07-21 EP EP89201923A patent/EP0357105B1/de not_active Expired - Lifetime
- 1989-07-21 DE DE68910055T patent/DE68910055T2/de not_active Expired - Fee Related
- 1989-07-21 ES ES89201923T patent/ES2045389T3/es not_active Expired - Lifetime
- 1989-07-31 JP JP1197041A patent/JPH0280866A/ja active Pending

Also Published As

Publication number	Publication date
DE68910055D1 (de)	1993-11-25
DE68910055T2 (de)	1994-05-19
US5118118A (en)	1992-06-02
EP0357105A1 (de)	1990-03-07
ES2045389T3 (es)	1994-01-16
JPH0280866A (ja)	1990-03-20
EP0357105B1 (de)	1993-10-20

Similar Documents

Publication	Publication Date	Title
NL8801925A (nl)	1990-03-01	Afdichtsamenstel met een magnetische vloeistof.
DE69912862T2 (de)	2004-09-02	Wälzlagereinheit mit Drehgeschwindigkeitsmessung
US5556540A (en)	1996-09-17	Magnetic assembly for a closed pressurized flow path of lubricating oil
EP0572441B1 (de)	1996-05-08	Magnetlagerzelle
US4844483A (en)	1989-07-04	Floating seal device
DE3780398T2 (de)	1993-02-25	Plattenspeicher mit filtrierungssystem.
US4129261A (en)	1978-12-12	Agitating mill
DE69111879T2 (de)	1996-05-02	Rollennabe mit Sensoreinrichtung zur Erfassung der Drehzahl.
CA2169540C (en)	2002-06-25	Magnetic filter assembly
RU2626082C2 (ru)	2017-07-21	Барабан для магнитного сепаратора и способ его изготовления
US4268878A (en)	1981-05-19	Gas circulation and filtration apparatus for magnetic disc recording systems
FR2740123B1 (fr)	1998-01-02	Procede et dispositif pour la distribution uniforme d'un solide sous forme divisee dans une enceinte
Hsu et al.	2012	Analysis of carbofuran, carbosulfan, isoprocarb, 3‐hydroxycarbofuran, and 3‐ketocarbofuran by micellar electrokinetic chromatography
US3935095A (en)	1976-01-27	Strong field magnetic separators
NL8601017A (nl)	1987-11-16	Wentellager.
US2713927A (en)	1955-07-26	Magnetic fluid clutch shaft seal
NO306578B1 (no)	1999-11-22	Törkeapparat samt fremgangsmåte for törking
US3556967A (en)	1971-01-19	Electrophoretic separation utilizing liquid centrifuge
JPS60137459A (ja)	1985-07-22	遠心分離機のための軸受シール機構
DE4104250A1 (de)	1992-08-20	Antrieb und lagerung fuer einen oe-spinnrotor
US2901108A (en)	1959-08-25	Magnetic separator
FI945029A0 (fi)	1994-10-26	Gjutsvals foer en installation foer kontinuerlig gjutning pao en vals eller mellan tvao valsar
US4363562A (en)	1982-12-14	Blocking-type key
ES2028142T3 (es)	1992-07-01	Procedimiento para separar isotopos radioactivos metalicos de alimentos y piensos liquidos.
US5022840A (en)	1991-06-11	Agglomeration device

Legal Events

Date	Code	Title	Description
1990-03-01	A1B	A search report has been drawn up
1995-04-03	BV	The patent application has lapsed