FR2277871A1 - Composition de fluide pouvant repondre a l'influence d'un champ electrique - Google Patents

Composition de fluide pouvant repondre a l'influence d'un champ electrique

Info

Publication number
FR2277871A1
FR2277871A1 FR7521368A FR7521368A FR2277871A1 FR 2277871 A1 FR2277871 A1 FR 2277871A1 FR 7521368 A FR7521368 A FR 7521368A FR 7521368 A FR7521368 A FR 7521368A FR 2277871 A1 FR2277871 A1 FR 2277871A1
Authority
FR
France
Prior art keywords
respond
influence
fluid
composition
electric field
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.)
Granted
Application number
FR7521368A
Other languages
English (en)
French (fr)
Other versions
FR2277871B1 (https=
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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Publication of FR2277871A1 publication Critical patent/FR2277871A1/fr
Application granted granted Critical
Publication of FR2277871B1 publication Critical patent/FR2277871B1/fr
Granted 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
    • F16D37/008—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being carried by a fluid, to vary viscosity when subjected to electric change, i.e. electro-rheological or smart fluids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • 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
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/001—Electrorheological fluids; smart fluids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
FR7521368A 1974-07-09 1975-07-08 Composition de fluide pouvant repondre a l'influence d'un champ electrique Granted FR2277871A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30456/74A GB1501635A (en) 1974-07-09 1974-07-09 Electric field responsive fluids

Publications (2)

Publication Number Publication Date
FR2277871A1 true FR2277871A1 (fr) 1976-02-06
FR2277871B1 FR2277871B1 (https=) 1980-06-06

Family

ID=10307989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521368A Granted FR2277871A1 (fr) 1974-07-09 1975-07-08 Composition de fluide pouvant repondre a l'influence d'un champ electrique

Country Status (5)

Country Link
US (1) US4033892A (https=)
JP (1) JPS5133783A (https=)
DE (1) DE2530694A1 (https=)
FR (1) FR2277871A1 (https=)
GB (1) GB1501635A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0450824A1 (en) * 1990-04-03 1991-10-09 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
WO1992013209A1 (en) * 1991-01-24 1992-08-06 British Technology Group Ltd Quick-acting drive devices
WO1994010271A1 (de) * 1992-10-28 1994-05-11 Henkel Kommanditgesellschaft Auf Aktien Elektroviskose flüssigkeiten mit stärke
US5524743A (en) * 1991-01-24 1996-06-11 British Technology Group Ltd. Quick-acting drive devices

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129513A (en) * 1974-07-09 1978-12-12 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Electric field responsive fluids
JPS5393186A (en) * 1977-01-21 1978-08-15 Secr Defence Brit Electrically viscous liquefied composition
DE3265609D1 (en) * 1981-06-19 1985-09-26 Nat Res Dev Electroviscous fluids
US4483788A (en) * 1982-03-25 1984-11-20 The National Research Development Corp. Electric field responsive fluids
DE3427499A1 (de) * 1984-07-26 1986-02-13 Bayer Ag, 5090 Leverkusen Elektroviskose fluessigkeiten
DE3431823A1 (de) * 1984-08-30 1986-03-13 Alfred Teves Gmbh, 6000 Frankfurt Servoeinrichtung, insbesondere fuer eine kraftfahrzeug-bremsanlage
US4687589A (en) * 1985-02-06 1987-08-18 Hermann Block Electronheological fluids
US4742998A (en) * 1985-03-26 1988-05-10 Barry Wright Corporation Active vibration isolation system employing an electro-rheological fluid
US4737886A (en) * 1985-11-05 1988-04-12 Panametrics, Inc. Method and apparatus for electrically altering properties of a colloidal suspension containing elongated fibrous particles
DE3609861A1 (de) * 1986-03-22 1987-09-24 Bayer Ag Sensorgesteuertes hydraulisches system mit elektroviskosen fluessigkeiten
US4879056A (en) * 1986-10-22 1989-11-07 Board Of Regents Acting For And On Behalf Of University Of Michigan Electric field dependent fluids
US4744914A (en) * 1986-10-22 1988-05-17 Board Of Regents Of The University Of Michigan Electric field dependent fluids
GB8706928D0 (en) * 1987-03-24 1987-04-29 Er Fluid Dev Electric field responsive fluids
US4772407A (en) * 1987-12-02 1988-09-20 Lord Corporation Electrorheological fluids
US5103779A (en) * 1989-04-18 1992-04-14 Hare Sr Nicholas S Electro-rheological valve control mechanism
US5158109A (en) * 1989-04-18 1992-10-27 Hare Sr Nicholas S Electro-rheological valve
GB8908825D0 (en) * 1989-04-19 1989-06-07 Block Hermann Electrorheological fluid
US5073282A (en) * 1989-04-21 1991-12-17 Hercules Incorporated Electrorheological fluids
US4990279A (en) * 1989-04-21 1991-02-05 Hercules Incorporated Electrorheological fluids
US4992192A (en) * 1989-04-21 1991-02-12 Hercules Incorporated Electrorheological fluids
US5032308A (en) * 1989-11-07 1991-07-16 The Dow Chemical Company Layered mixed metal hydroxides in electrorheological fluids
US5071581A (en) * 1990-03-01 1991-12-10 The Dow Chemical Company Electrorheological fluids based on crown ethers and quaternary amines
JPH0495429U (https=) * 1991-01-18 1992-08-19
DE4119670A1 (de) * 1991-06-14 1992-12-17 Bayer Ag Elektroviskose fluessigkeit auf basis von polyetheracrylaten als disperse phase
US5364565A (en) * 1991-08-30 1994-11-15 Ford Motor Company Electroviscoelastic gel-like solids
EP0562067B1 (en) * 1991-10-10 1997-04-09 The Lubrizol Corporation Electrorheological fluids containing polyanilines
US5595680A (en) * 1991-10-10 1997-01-21 The Lubrizol Corporation Electrorheological fluids containing polyanilines
EP0678570B1 (en) * 1991-12-27 1998-04-29 Nippon Oil Company, Ltd. Electrorheological fluid having carbonaceous particles with shape anisotropy
US5336423A (en) * 1992-05-05 1994-08-09 The Lubrizol Corporation Polymeric salts as dispersed particles in electrorheological fluids
US5702630A (en) * 1992-07-16 1997-12-30 Nippon Oil Company, Ltd. Fluid having both magnetic and electrorheological characteristics
US5536426A (en) * 1993-05-21 1996-07-16 Nippon Oil Company, Ltd. Electrorheological fluid containing carbonaceous particles
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。
US5445760A (en) * 1994-04-14 1995-08-29 The Lubrizol Corporation Polysaccharide coated electrorheological particles
JPH09255982A (ja) * 1996-03-26 1997-09-30 Nippon Oil Co Ltd 電気粘性流体
US5723059A (en) * 1996-05-21 1998-03-03 The United States Of America As Represented By The Secretary Of The Air Force Fluid density adjustment for functional fluids
US7981221B2 (en) * 2008-02-21 2011-07-19 Micron Technology, Inc. Rheological fluids for particle removal
DE102011018177A1 (de) 2011-04-19 2012-10-25 Raino Petricevic Paste und deren Verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417850A (en) * 1942-04-14 1947-03-25 Willis M Winslow Method and means for translating electrical impulses into mechanical force
US3047507A (en) * 1960-04-04 1962-07-31 Wefco Inc Field responsive force transmitting compositions
US3427247A (en) * 1961-08-25 1969-02-11 Textron Inc Electroviscous compositions
US3385793A (en) * 1965-03-19 1968-05-28 Union Oil Co Electroviscous fluid and method of using same
US3397147A (en) * 1968-01-10 1968-08-13 Union Oil Co Electroviscous fluid composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0450824A1 (en) * 1990-04-03 1991-10-09 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
WO1992013209A1 (en) * 1991-01-24 1992-08-06 British Technology Group Ltd Quick-acting drive devices
US5524743A (en) * 1991-01-24 1996-06-11 British Technology Group Ltd. Quick-acting drive devices
WO1994010271A1 (de) * 1992-10-28 1994-05-11 Henkel Kommanditgesellschaft Auf Aktien Elektroviskose flüssigkeiten mit stärke

Also Published As

Publication number Publication date
DE2530694A1 (de) 1976-01-29
GB1501635A (en) 1978-02-22
US4033892A (en) 1977-07-05
JPS5133783A (en) 1976-03-23
FR2277871B1 (https=) 1980-06-06

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property