DE2530694A1 - Auf elektrische felder ansprechende fluidzusammensetzung - Google Patents

Auf elektrische felder ansprechende fluidzusammensetzung

Info

Publication number
DE2530694A1
DE2530694A1 DE19752530694 DE2530694A DE2530694A1 DE 2530694 A1 DE2530694 A1 DE 2530694A1 DE 19752530694 DE19752530694 DE 19752530694 DE 2530694 A DE2530694 A DE 2530694A DE 2530694 A1 DE2530694 A1 DE 2530694A1
Authority
DE
Germany
Prior art keywords
composition according
polyhydric alcohol
oily
water
aroclor
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.)
Pending
Application number
DE19752530694
Other languages
German (de)
English (en)
Inventor
James Edward Stangroom
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 Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of DE2530694A1 publication Critical patent/DE2530694A1/de
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D37/00Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
    • F16D37/008Clutches 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/12Compositions 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02Polyalkylene oxides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00Lubricating 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
    • C10M171/001Electrorheological 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)
DE19752530694 1974-07-09 1975-07-09 Auf elektrische felder ansprechende fluidzusammensetzung Pending DE2530694A1 (de)

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 (1)

Publication Number Publication Date
DE2530694A1 true DE2530694A1 (de) 1976-01-29

Family

ID=10307989

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752530694 Pending DE2530694A1 (de) 1974-07-09 1975-07-09 Auf elektrische felder ansprechende fluidzusammensetzung

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802494A1 (de) * 1977-01-21 1978-08-17 Secr Defence Brit Elektroviskose fluidzusammensetzung
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
DE3431823A1 (de) * 1984-08-30 1986-03-13 Alfred Teves Gmbh, 6000 Frankfurt Servoeinrichtung, insbesondere fuer eine kraftfahrzeug-bremsanlage
US5445760A (en) * 1994-04-14 1995-08-29 The Lubrizol Corporation Polysaccharide coated electrorheological particles
DE102011018177A1 (de) 2011-04-19 2012-10-25 Raino Petricevic Paste und deren Verwendung

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US5007513A (en) * 1990-04-03 1991-04-16 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
JPH0495429U (https=) * 1991-01-18 1992-08-19
GB9101577D0 (en) * 1991-01-24 1991-03-06 Nat Res Dev Quick-acting drive devices
US5524743A (en) * 1991-01-24 1996-06-11 British Technology Group Ltd. Quick-acting drive devices
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
DE4236405A1 (de) * 1992-10-28 1994-05-05 Henkel Kgaa Elektroviskose Flüssigkeiten mit Stärke
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。
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

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 (5)

* 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
DE2802494A1 (de) * 1977-01-21 1978-08-17 Secr Defence Brit Elektroviskose fluidzusammensetzung
DE3431823A1 (de) * 1984-08-30 1986-03-13 Alfred Teves Gmbh, 6000 Frankfurt Servoeinrichtung, insbesondere fuer eine kraftfahrzeug-bremsanlage
US5445760A (en) * 1994-04-14 1995-08-29 The Lubrizol Corporation Polysaccharide coated electrorheological particles
DE102011018177A1 (de) 2011-04-19 2012-10-25 Raino Petricevic Paste und deren Verwendung

Also Published As

Publication number Publication date
GB1501635A (en) 1978-02-22
US4033892A (en) 1977-07-05
FR2277871A1 (fr) 1976-02-06
JPS5133783A (en) 1976-03-23
FR2277871B1 (https=) 1980-06-06

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