FR2065847A5 - - Google Patents

Info

Publication number
FR2065847A5
FR2065847A5 FR7028811A FR7028811A FR2065847A5 FR 2065847 A5 FR2065847 A5 FR 2065847A5 FR 7028811 A FR7028811 A FR 7028811A FR 7028811 A FR7028811 A FR 7028811A FR 2065847 A5 FR2065847 A5 FR 2065847A5
Authority
FR
France
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
Application number
FR7028811A
Other languages
French (fr)
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.)
Ferrofluidics Corp
Original Assignee
Ferrofluidics Corp
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 Ferrofluidics Corp filed Critical Ferrofluidics Corp
Application granted granted Critical
Publication of FR2065847A5 publication Critical patent/FR2065847A5/fr
Expired 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
    • 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
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
    • F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field

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 Of Bearings (AREA)
FR7028811A 1969-10-10 1970-08-05 Expired FR2065847A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86528169A 1969-10-10 1969-10-10
US4024670A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
FR2065847A5 true FR2065847A5 (enrdf_load_stackoverflow) 1971-08-06

Family

ID=26716878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7028811A Expired FR2065847A5 (enrdf_load_stackoverflow) 1969-10-10 1970-08-05

Country Status (4)

Country Link
JP (1) JPS519853B1 (enrdf_load_stackoverflow)
DE (1) DE2034213C3 (enrdf_load_stackoverflow)
FR (1) FR2065847A5 (enrdf_load_stackoverflow)
GB (1) GB1312698A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467318A1 (fr) * 1979-07-30 1981-04-17 Litton Systems Inc Palier a fluide magnetique ou ferro-fluide, son procede de fabrication, procede d'aimantation d'une structure ferromagnetique cylindrique et aimant permanent comportant une telle structure
DE3842477A1 (de) * 1988-07-11 1990-01-18 Nihon Densan Kk Magnetfluid-dichtungs-aufbau

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832038B2 (ja) * 1974-09-19 1983-07-09 オオサカヘンアツキ カブシキガイシヤ キミツヨウセツソウチ
JPS52100785A (en) * 1976-02-19 1977-08-24 Taisei Porimaa Kk Compensating plate for treating radiation or phantom for measuring absorption ray
IL56763A (en) * 1978-04-10 1981-12-31 Hughes Aircraft Co Cryogenic refrigeration system comprising screw compressorexpander
DE2841163C2 (de) * 1978-09-21 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Elektrische Maschine mit einem Läufer mit supraleitender Erregerwicklung
DE2856128C3 (de) * 1978-12-27 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Kühlmittelanschlußkopf für eine elektrische Maschine, die einen um eine Achse drehbar gelagerten Läufer mit einer von einem Kühlmittel tiefzukühlenden, supraleitenden Wicklung enthält
DE3207061C2 (de) * 1982-02-26 1986-09-18 Siemens AG, 1000 Berlin und 8000 München Abdichtungsvorrichtung mit einer magnetisierbaren Dichtungsflüssigkeit
DE3430479A1 (de) * 1983-08-26 1985-03-07 Ferrofluidics Corp., Nashua, N.H. Lageranordnung mit integrierter ferrofluid-dichtung
US4478424A (en) * 1984-01-27 1984-10-23 Ferrofluidics Corporation Ferrofluid seal apparatus and method
US4548699A (en) * 1984-05-17 1985-10-22 Varian Associates, Inc. Transfer plate rotation system
US4694213A (en) * 1986-11-21 1987-09-15 Ferrofluidics Corporation Ferrofluid seal for a stationary shaft and a rotating hub
DE3713567C1 (de) * 1987-04-23 1987-12-03 Iris Diesing Mehrstufige Dichtungsvorrichtung mit Ferrofluid
JPH01255762A (ja) * 1988-03-31 1989-10-12 Nippon Ferrofluidics Kk 磁性流体シール用のシール体及びその製造方法
DE3811227C2 (de) * 1988-04-02 1996-04-11 Freudenberg Carl Fa Ferrofluiddichtung
DE9307447U1 (de) * 1993-05-17 1993-07-22 Friatec-Rheinhütte GmbH & Co., 6200 Wiesbaden Vertikale Magnetkupplungspumpe bzw. -rührer
DE19937873A1 (de) * 1999-08-13 2001-03-15 Alma Mechanik Metallteile Gmbh Magnetdichtung und Verfahren zur Herstellung einer Magnetdichtung
DE19938986B4 (de) 1999-08-17 2008-02-14 Siemens Ag Supraleitungseinrichtung mit einer Kälteeinheit für eine rotierende, supraleitende Wicklung
DE10042962C1 (de) 2000-08-31 2002-05-02 Siemens Ag Magnetlager zur Lagerung einer drehbaren Welle unter Verwendung von Hoch-T¶c¶-Supraleitermaterial
DE202005005904U1 (de) * 2005-04-07 2006-08-17 Ebm-Papst St. Georgen Gmbh & Co. Kg Anordnung zur Lagerung einer drehbaren Welle
CN101776149A (zh) * 2010-03-01 2010-07-14 北京交通大学 低温小直径磁性液体密封装置
DE102012200774A1 (de) * 2012-01-20 2013-07-25 Aktiebolaget Skf Wälzlagereinheit
DE102012017805A1 (de) 2012-09-10 2014-03-13 Christian Funke Dichtungsvorrichtung mit magnetischer Abschirmung und elektrischer Isolation unter Verwendung eines magnetorheologischen Mediums
CN107740866B (zh) * 2017-11-03 2023-05-02 广西科技大学 一种阶梯式磁流体密封装置
CN107956881B (zh) * 2017-12-13 2023-05-02 广西科技大学 一种交错式磁流体密封装置
CN112963548B (zh) * 2021-03-23 2021-11-02 清华大学 可密封液体的磁性液体密封装置
CN120042951B (zh) * 2025-04-24 2025-06-20 中国矿业大学 一种高精度低泄漏安全阀

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1007372A (fr) * 1948-12-23 1952-05-05 Dispositif d'étanchéité
FR1119965A (fr) * 1954-03-05 1956-06-27 Thomson Houston Comp Francaise Perfectionnement aux joints d'étanchéité pour les arbres tournants et autres pièces mobiles
FR1159301A (fr) * 1956-10-11 1958-06-26 Const Mecanique Perfectionnements aux butées pour arbres rotatifs soumis à une poussée axialè

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786155A (en) * 1953-09-25 1957-03-19 Allis Chalmers Mfg Co Unipolar dynamoelectric machine with sleeve mounted field coil
GB783881A (en) * 1954-03-05 1957-10-02 Vickers Electrical Co Ltd Improvements relating to shaft and like seals
CH409544A (de) * 1961-02-21 1966-03-15 Zahnradfabrik Friedrichshafen Elektromagnetisch betätigte Lamellenkupplung
FR1297265A (fr) * 1961-05-17 1962-06-29 Nouveau procédé et dispositif de joints étanches
US3168666A (en) * 1962-12-26 1965-02-02 Gen Electric Dynamoelectric machine electrical collector assembly using liquid metal
US3501089A (en) * 1968-07-17 1970-03-17 Gen Electric Jet pump ejector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1007372A (fr) * 1948-12-23 1952-05-05 Dispositif d'étanchéité
FR1119965A (fr) * 1954-03-05 1956-06-27 Thomson Houston Comp Francaise Perfectionnement aux joints d'étanchéité pour les arbres tournants et autres pièces mobiles
FR1159301A (fr) * 1956-10-11 1958-06-26 Const Mecanique Perfectionnements aux butées pour arbres rotatifs soumis à une poussée axialè

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467318A1 (fr) * 1979-07-30 1981-04-17 Litton Systems Inc Palier a fluide magnetique ou ferro-fluide, son procede de fabrication, procede d'aimantation d'une structure ferromagnetique cylindrique et aimant permanent comportant une telle structure
DE3842477A1 (de) * 1988-07-11 1990-01-18 Nihon Densan Kk Magnetfluid-dichtungs-aufbau
US5009436A (en) * 1988-07-11 1991-04-23 Nippon Densan Corporation Magnetic fluid seal assembly

Also Published As

Publication number Publication date
JPS519853B1 (enrdf_load_stackoverflow) 1976-03-31
GB1312698A (en) 1973-04-04
DE2034213B2 (de) 1980-06-26
DE2034213C3 (de) 1985-04-25
DE2034213A1 (de) 1971-05-06

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