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GB705050A - Improvements in and relating to magnetic fluids - Google Patents

Improvements in and relating to magnetic fluids

Info

Publication number
GB705050A
GB705050A GB21121/52A GB2112152A GB705050A GB 705050 A GB705050 A GB 705050A GB 21121/52 A GB21121/52 A GB 21121/52A GB 2112152 A GB2112152 A GB 2112152A GB 705050 A GB705050 A GB 705050A
Authority
GB
United Kingdom
Prior art keywords
magnetic
particles
carrier
oils
aug
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
Application number
GB21121/52A
Other languages
English (en)
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB705050A publication Critical patent/GB705050A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/06—Use of special fluids, e.g. liquid metal; Special adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
    • F15B21/065—Use of electro- or magnetosensitive fluids, e.g. electrorheological fluid
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • 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
    • H01F1/445—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 compound, e.g. Fe3O4
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    • 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
    • H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/043—Siloxanes with specific structure containing carbon-to-carbon double bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/044—Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/04—Oxidation, e.g. ozonisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Soft Magnetic Materials (AREA)
GB21121/52A 1951-08-23 1952-08-22 Improvements in and relating to magnetic fluids Expired GB705050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US243349A US2751352A (en) 1951-08-23 1951-08-23 Magnetic fluids

Publications (1)

Publication Number Publication Date
GB705050A true GB705050A (en) 1954-03-03

Family

ID=22918393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21121/52A Expired GB705050A (en) 1951-08-23 1952-08-22 Improvements in and relating to magnetic fluids

Country Status (6)

Country Link
US (1) US2751352A (fi)
BE (1) BE513667A (fi)
DE (1) DE947421C (fi)
FR (1) FR1071708A (fi)
GB (1) GB705050A (fi)
NL (2) NL171985B (fi)

Cited By (6)

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US3133023A (en) * 1961-06-26 1964-05-12 Ibm Preparation of coatings and printing inks
US3635819A (en) * 1970-06-15 1972-01-18 Avco Corp Process for cleaning up oil spills
US4100088A (en) * 1976-07-02 1978-07-11 Xerox Corporation Imaging composition
US4664841A (en) * 1981-02-27 1987-05-12 Ricoh Co., Ltd. Fine particle substance-containing non-aqueous dispersions
US5902513A (en) * 1995-03-27 1999-05-11 Taiho Industries Co., Ltd. Magnetic fluid composition
DE102005010558A1 (de) * 2005-03-04 2006-09-07 Sirona Dental Systems Gmbh Zahnärztliches Instrument mit einer Kupplung

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US3003965A (en) * 1953-09-29 1961-10-10 Philips Corp Method of preparing a magnetic sound carrier
US3155531A (en) * 1958-09-23 1964-11-03 Harris Intertype Corp Meagnetic liquid developer and method for electrostatic images
US3040164A (en) * 1958-11-12 1962-06-19 Pevar Maxwell Composition and process for inspection of autogenous welds
US3155622A (en) * 1959-08-03 1964-11-03 John D Steele Radioactive magnetic flaw detection composition and process for making same
US3247117A (en) * 1960-05-06 1966-04-19 Dick Co Ab Magnetic lithographic ink
US3214378A (en) * 1960-09-01 1965-10-26 R G H Company Inc Composition for magnetic particle testing
GB1198445A (en) * 1966-08-05 1970-07-15 British Petroleum Co Powdered Metals
US3951881A (en) * 1973-05-16 1976-04-20 Rockwell International Corporation Method of magnetic particle testing using strippable coatings
US4957644A (en) * 1986-05-13 1990-09-18 Price John T Magnetically controllable couplings containing ferrofluids
US4849120A (en) * 1986-05-13 1989-07-18 Price John T Magnetically controllable couplings containing ferrafluids
US4944802A (en) * 1988-09-16 1990-07-31 Omni Quest Corporation High coercivity magnetic inks and method for making same
JPH02284992A (ja) * 1989-04-26 1990-11-22 Tonen Corp 電気粘性流体
US5147573A (en) * 1990-11-26 1992-09-15 Omni Quest Corporation Superparamagnetic liquid colloids
US5453209A (en) * 1991-09-09 1995-09-26 Simon; Juanito A. Chemical metal and oil treating composition and process
DE4131846A1 (de) * 1991-09-25 1993-04-01 Basf Ag Magnetorheologische fluessigkeit
ATE157192T1 (de) * 1992-04-14 1997-09-15 Byelocorp Scient Inc Magnetorheologische flüssigkeiten und herstellungsverfahrens
US6503414B1 (en) 1992-04-14 2003-01-07 Byelocorp Scientific, Inc. Magnetorheological polishing devices and methods
US5449313A (en) * 1992-04-14 1995-09-12 Byelocorp Scientific, Inc. Magnetorheological polishing devices and methods
US5354488A (en) * 1992-10-07 1994-10-11 Trw Inc. Fluid responsive to a magnetic field
US5382373A (en) * 1992-10-30 1995-01-17 Lord Corporation Magnetorheological materials based on alloy particles
RU2106710C1 (ru) * 1992-10-30 1998-03-10 Лорд Корпорейшн Магнитореологический материал
EP0667029B1 (en) * 1992-10-30 1998-09-23 Lord Corporation Thixotropic magnetorheological materials
US5353839A (en) * 1992-11-06 1994-10-11 Byelocorp Scientific, Inc. Magnetorheological valve and devices incorporating magnetorheological elements
JPH0790290A (ja) * 1993-09-21 1995-04-04 Nippon Oil Co Ltd 磁性と電気粘性効果とを同時に有する流体用分散粒子及びそれを用いた流体。
US5547049A (en) * 1994-05-31 1996-08-20 Lord Corporation Magnetorheological fluid composite structures
US5639296A (en) * 1994-10-25 1997-06-17 Sandia Corporation Thixotropic particles suspensions and method for their formation
US5795212A (en) * 1995-10-16 1998-08-18 Byelocorp Scientific, Inc. Deterministic magnetorheological finishing
US5900184A (en) * 1995-10-18 1999-05-04 Lord Corporation Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device
US5730893A (en) * 1996-04-19 1998-03-24 Ferrotec Corporation Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants
US5906767A (en) * 1996-06-13 1999-05-25 Lord Corporation Magnetorheological fluid
US5683615A (en) * 1996-06-13 1997-11-04 Lord Corporation Magnetorheological fluid
US5705085A (en) * 1996-06-13 1998-01-06 Lord Corporation Organomolybdenum-containing magnetorheological fluid
US5921357A (en) * 1997-04-14 1999-07-13 Trw Inc. Spacecraft deployment mechanism damper
US5984056A (en) * 1997-04-24 1999-11-16 Bell Helicopter Textron Inc. Magnetic particle damper apparatus
US6395193B1 (en) 2000-05-03 2002-05-28 Lord Corporation Magnetorheological compositions
US6547986B1 (en) 2000-09-21 2003-04-15 Lord Corporation Magnetorheological grease composition
JP5535071B2 (ja) * 2007-08-01 2014-07-02 ロード コーポレイション 非沈降性グリコール系磁気粘性流体
DE102012213534B4 (de) * 2012-08-01 2021-01-28 Kampf Schneid- Und Wickeltechnik Gmbh & Co. Kg Wickelwelle, insbesondere für Rollenschneid- und Wickelmaschinen
CN108701521B (zh) 2016-02-29 2020-12-04 洛德公司 用于磁流变流体的添加剂

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US2149782A (en) * 1939-03-07 Magnetizable fluid
DE445116C (de) * 1925-12-23 1927-06-03 I G Farbenindustrie Akt Ges Schmiermittel
US2106882A (en) * 1936-12-12 1938-02-01 Magnaflux Corp Paste of paramagnetic particles for use in the examination of paramagnetic materials for flaws by the magnetic method
US2461494A (en) * 1945-05-07 1949-02-08 Robert C Switzer Method and composition for flaw detection
US2525571A (en) * 1948-05-21 1950-10-10 Martin P Winther Dynamoelectric machine containing a magnetic fluid mixture
US2486130A (en) * 1948-05-26 1949-10-25 Dow Chemical Co Lubricant composition

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133023A (en) * 1961-06-26 1964-05-12 Ibm Preparation of coatings and printing inks
US3635819A (en) * 1970-06-15 1972-01-18 Avco Corp Process for cleaning up oil spills
US4100088A (en) * 1976-07-02 1978-07-11 Xerox Corporation Imaging composition
US4664841A (en) * 1981-02-27 1987-05-12 Ricoh Co., Ltd. Fine particle substance-containing non-aqueous dispersions
US5902513A (en) * 1995-03-27 1999-05-11 Taiho Industries Co., Ltd. Magnetic fluid composition
DE102005010558A1 (de) * 2005-03-04 2006-09-07 Sirona Dental Systems Gmbh Zahnärztliches Instrument mit einer Kupplung
DE102005010558B4 (de) * 2005-03-04 2007-10-31 Sirona Dental Systems Gmbh Zahnärztliches Instrument mit einer Kupplung

Also Published As

Publication number Publication date
US2751352A (en) 1956-06-19
NL88348C (fi)
BE513667A (fi)
NL171985B (nl)
FR1071708A (fr) 1954-09-03
DE947421C (de) 1956-08-16

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