DE68906349D1 - Elektrisch leitende fluessigkeiten. - Google Patents

Elektrisch leitende fluessigkeiten.

Info

Publication number
DE68906349D1
DE68906349D1 DE8989850303T DE68906349T DE68906349D1 DE 68906349 D1 DE68906349 D1 DE 68906349D1 DE 8989850303 T DE8989850303 T DE 8989850303T DE 68906349 T DE68906349 T DE 68906349T DE 68906349 D1 DE68906349 D1 DE 68906349D1
Authority
DE
Germany
Prior art keywords
electrically conducting
conducting liquids
liquids
electrically
conducting
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
DE8989850303T
Other languages
English (en)
Other versions
DE68906349T2 (de
Inventor
Goeran Lindsten
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 Nova AB
Original Assignee
SKF Nova AB
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 Nova AB filed Critical SKF Nova AB
Publication of DE68906349D1 publication Critical patent/DE68906349D1/de
Application granted granted Critical
Publication of DE68906349T2 publication Critical patent/DE68906349T2/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
    • H01B1/122—Ionic conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/442—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a metal or alloy, e.g. Fe

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Soft Magnetic Materials (AREA)
  • Lubricants (AREA)
  • Conductive Materials (AREA)
DE89850303T 1988-10-18 1989-09-15 Elektrisch leitende Flüssigkeiten. Expired - Fee Related DE68906349T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803712A SE462355B (sv) 1988-10-18 1988-10-18 Elektriskt ledande superparamagnetiska vaetskor

Publications (2)

Publication Number Publication Date
DE68906349D1 true DE68906349D1 (de) 1993-06-09
DE68906349T2 DE68906349T2 (de) 1993-12-16

Family

ID=20373666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89850303T Expired - Fee Related DE68906349T2 (de) 1988-10-18 1989-09-15 Elektrisch leitende Flüssigkeiten.

Country Status (5)

Country Link
US (1) US5104582A (de)
EP (1) EP0365498B1 (de)
JP (1) JPH0773004B2 (de)
DE (1) DE68906349T2 (de)
SE (1) SE462355B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE216122T1 (de) * 1994-01-27 2002-04-15 Loctite Ireland Ltd Zusammenstellungen und methoden zur anordnung anisotropisch leitender bahnen und verbindungen zwischen zwei sätzen von leitern
US5641841A (en) * 1995-01-10 1997-06-24 International Business Machines Corporation Conductive lubricant for magnetic disk drives
US5851644A (en) * 1995-08-01 1998-12-22 Loctite (Ireland) Limited Films and coatings having anisotropic conductive pathways therein
US7422709B2 (en) * 2004-05-21 2008-09-09 Crosby Gernon Electromagnetic rheological (EMR) fluid and method for using the EMR fluid
US10304604B2 (en) * 2016-05-03 2019-05-28 The United States Of America As Represented By The Secretary Of The Army Deformable inductive devices having a magnetic core formed of an elastomer with magnetic particles therein along with a deformable electrode
CN114678156B (zh) * 2022-01-24 2022-11-29 中国科学院兰州化学物理研究所 一种油溶性导电添加剂及其制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700595A (en) * 1970-06-15 1972-10-24 Avco Corp Ferrofluid composition
US3764540A (en) * 1971-05-28 1973-10-09 Us Interior Magnetofluids and their manufacture
US3843540A (en) * 1972-07-26 1974-10-22 Us Interior Production of magnetic fluids by peptization techniques
US3917538A (en) * 1973-01-17 1975-11-04 Ferrofluidics Corp Ferrofluid compositions and process of making same
JPS5538672A (en) * 1978-09-11 1980-03-18 Fuji Photo Film Co Ltd Magnetic recording medium
US4208294A (en) * 1979-02-12 1980-06-17 The United States Of America, As Represented By The Secretary Of The Interior Dilution stable water based magnetic fluids
US4285801A (en) * 1979-09-20 1981-08-25 Xerox Corporation Electrophoretic display composition
US4315827A (en) * 1979-11-08 1982-02-16 Ferrofluidics Corporation Low-vapor-pressure ferrofluids and method of making same
JPH0236931B2 (ja) * 1980-05-09 1990-08-21 Asahi Glass Co Ltd Denkikogakusoshi
US4687596A (en) * 1985-03-20 1987-08-18 Ferrofluidics Corporation Low viscosity, electrically conductive ferrofluid composition and method of making and using same
US4732706A (en) * 1985-03-20 1988-03-22 Ferrofluidics Corporation Method of preparing low viscosity, electrically conductive ferrofluid composition
US4701276A (en) * 1986-10-31 1987-10-20 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
US4741850A (en) * 1986-10-31 1988-05-03 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
JPH0766886B2 (ja) * 1986-11-11 1995-07-19 日本精工株式会社 導電性磁性流体組成物
JPS63131504A (ja) * 1986-11-21 1988-06-03 Hitachi Metals Ltd 導電性を有する磁性流体
DE3709852A1 (de) * 1987-03-24 1988-10-06 Silica Gel Gmbh Adsorptions Te Stabile magnetische fluessigkeitszusammensetzungen und verfahren zu ihrer herstellung und ihre verwendung

Also Published As

Publication number Publication date
SE8803712D0 (sv) 1988-10-18
SE462355B (sv) 1990-06-11
US5104582A (en) 1992-04-14
JPH0773004B2 (ja) 1995-08-02
EP0365498B1 (de) 1993-05-05
JPH02148609A (ja) 1990-06-07
DE68906349T2 (de) 1993-12-16
SE8803712L (sv) 1990-04-19
EP0365498A1 (de) 1990-04-25

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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