JPS646093A - Electrical viscous fluid - Google Patents

Electrical viscous fluid

Info

Publication number
JPS646093A
JPS646093A JP15980987A JP15980987A JPS646093A JP S646093 A JPS646093 A JP S646093A JP 15980987 A JP15980987 A JP 15980987A JP 15980987 A JP15980987 A JP 15980987A JP S646093 A JPS646093 A JP S646093A
Authority
JP
Japan
Prior art keywords
electrical insulation
dispersing
thin film
electrically conductive
several
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
JP15980987A
Other languages
Japanese (ja)
Other versions
JPH07103392B2 (en
Inventor
Akio Inoue
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP62159809A priority Critical patent/JPH07103392B2/en
Priority to US07/209,807 priority patent/US5607617A/en
Publication of JPS646093A publication Critical patent/JPS646093A/en
Publication of JPH07103392B2 publication Critical patent/JPH07103392B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/006—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium characterised by the nature of the damping medium, e.g. biodegradable

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Lubricants (AREA)

Abstract

PURPOSE:To obtain the titled fluid outstanding in heat resistance and long-term stability, suitable for use in valves, clutches, vibration devices, etc., by dispersing an oily medium with dielectric fine particles consisting of water-free electrically conductive particles coated with electrical insulation thin film. CONSTITUTION:The objective fluid can be obtained by dispersing (A) an oily medium outstanding in electrical insulation characteristics such as chlorinated disphenyl or butyl sebacate with (B) dielectric fine particles consisting of virtually water-free electrically conductive particles [e.g., of aluminum (alloy), carbon black, polythiophene, etc.-based polymer, cupuric (cuprous) sulfide] coated with electrical insulation thin film <=1mu thick such as of polyvinylidene fluoride, wax or silica. The component B is pref. spherical particles with a size of 1mu-several tenth mu; in particular, in case a with a size of several mu are especially desirable.
JP62159809A 1987-06-29 1987-06-29 Electrorheological fluid Expired - Fee Related JPH07103392B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62159809A JPH07103392B2 (en) 1987-06-29 1987-06-29 Electrorheological fluid
US07/209,807 US5607617A (en) 1987-06-29 1988-06-22 Electroviscous fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62159809A JPH07103392B2 (en) 1987-06-29 1987-06-29 Electrorheological fluid

Publications (2)

Publication Number Publication Date
JPS646093A true JPS646093A (en) 1989-01-10
JPH07103392B2 JPH07103392B2 (en) 1995-11-08

Family

ID=15701730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62159809A Expired - Fee Related JPH07103392B2 (en) 1987-06-29 1987-06-29 Electrorheological fluid

Country Status (1)

Country Link
JP (1) JPH07103392B2 (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01236291A (en) * 1988-03-16 1989-09-21 Nippon Mektron Ltd Electroviscous fluid
JPH01278598A (en) * 1988-04-30 1989-11-08 Nippon Mektron Ltd Electroviscous fluid
JPH02104354A (en) * 1988-06-16 1990-04-17 Kimberly Clark Corp Diaper constitution of sprayed adhesive
JPH0347896A (en) * 1988-08-29 1991-02-28 Bridgestone Corp Electric viscous fluid
US5087382A (en) * 1988-08-29 1992-02-11 Bridgestone Corporation Electroviscous fluid
AU628863B2 (en) * 1988-12-23 1992-09-24 Bridgestone Corporation Electroviscous fluid
JPH0517791A (en) * 1991-07-11 1993-01-26 Colloid Res:Kk Electrorheological fluid composition
US5252250A (en) * 1990-02-21 1993-10-12 Bridgestone Corporation Electrorheological fluids comprising dielectric particulates dispersed in a highly electrically insulating oily medium
US5429761A (en) * 1994-04-14 1995-07-04 The Lubrizol Corporation Carbonated electrorheological particles
US5445760A (en) * 1994-04-14 1995-08-29 The Lubrizol Corporation Polysaccharide coated electrorheological particles
US5501809A (en) * 1994-08-19 1996-03-26 The Lubrizol Corporation Electrorheological fluids containing particles of a polar solid material and an inactive polymeric material
EP0706189A1 (en) * 1994-10-05 1996-04-10 Ford Motor Company Limited Electrorheological elastomers
JPH08253788A (en) * 1996-04-19 1996-10-01 Bridgestone Corp Electrorheological liquid
US5695678A (en) * 1992-03-23 1997-12-09 Fujikura Kasei Co., Ltd. Electrorheological fluid composition containing inorganic/organic composite particles
WO1997047693A1 (en) 1996-06-10 1997-12-18 Nittetsu Mining Co., Ltd. Multilayer coated powder
US5711897A (en) * 1994-08-19 1998-01-27 The Lubrizol Corporation Electrorheological fluids of polar solids and organic semiconductors
US5736064A (en) * 1993-07-15 1998-04-07 Fujikura Kasei Co., Ltd. Electrorheological fluid composition containing inorganic/organic composite particles
JP2012072364A (en) * 2010-08-31 2012-04-12 Toyo Aluminium Kk Heat conductive resin composition and heat radiation material including the same
US8267922B2 (en) 2006-04-17 2012-09-18 General Electric Company Phototherapy light with dual spring support neck
WO2013021669A1 (en) * 2011-08-09 2013-02-14 東洋アルミニウム株式会社 Thermally conductive resin composition and heat dissipating material containing same
JP2022501449A (en) * 2018-07-19 2022-01-06 中山大学Sun Yat−Sen University Electrorheological fluid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61241929A (en) * 1985-04-19 1986-10-28 Toshiba Corp Of semiconductor manufacturing equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61241929A (en) * 1985-04-19 1986-10-28 Toshiba Corp Of semiconductor manufacturing equipment

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01236291A (en) * 1988-03-16 1989-09-21 Nippon Mektron Ltd Electroviscous fluid
JPH01278598A (en) * 1988-04-30 1989-11-08 Nippon Mektron Ltd Electroviscous fluid
JPH02104354A (en) * 1988-06-16 1990-04-17 Kimberly Clark Corp Diaper constitution of sprayed adhesive
JPH0347896A (en) * 1988-08-29 1991-02-28 Bridgestone Corp Electric viscous fluid
US5087382A (en) * 1988-08-29 1992-02-11 Bridgestone Corporation Electroviscous fluid
AU628863B2 (en) * 1988-12-23 1992-09-24 Bridgestone Corporation Electroviscous fluid
US5252250A (en) * 1990-02-21 1993-10-12 Bridgestone Corporation Electrorheological fluids comprising dielectric particulates dispersed in a highly electrically insulating oily medium
JPH0517791A (en) * 1991-07-11 1993-01-26 Colloid Res:Kk Electrorheological fluid composition
US5695678A (en) * 1992-03-23 1997-12-09 Fujikura Kasei Co., Ltd. Electrorheological fluid composition containing inorganic/organic composite particles
US5736064A (en) * 1993-07-15 1998-04-07 Fujikura Kasei Co., Ltd. Electrorheological fluid composition containing inorganic/organic composite particles
US5429761A (en) * 1994-04-14 1995-07-04 The Lubrizol Corporation Carbonated electrorheological particles
US5445760A (en) * 1994-04-14 1995-08-29 The Lubrizol Corporation Polysaccharide coated electrorheological particles
US5501809A (en) * 1994-08-19 1996-03-26 The Lubrizol Corporation Electrorheological fluids containing particles of a polar solid material and an inactive polymeric material
US5711897A (en) * 1994-08-19 1998-01-27 The Lubrizol Corporation Electrorheological fluids of polar solids and organic semiconductors
US5879582A (en) * 1994-08-19 1999-03-09 The Lubrizol Corporation Electrorheological fluids of polar solids and organic semiconductors
EP0706189A1 (en) * 1994-10-05 1996-04-10 Ford Motor Company Limited Electrorheological elastomers
JPH08253788A (en) * 1996-04-19 1996-10-01 Bridgestone Corp Electrorheological liquid
WO1997047693A1 (en) 1996-06-10 1997-12-18 Nittetsu Mining Co., Ltd. Multilayer coated powder
US8267922B2 (en) 2006-04-17 2012-09-18 General Electric Company Phototherapy light with dual spring support neck
JP2012072364A (en) * 2010-08-31 2012-04-12 Toyo Aluminium Kk Heat conductive resin composition and heat radiation material including the same
WO2013021669A1 (en) * 2011-08-09 2013-02-14 東洋アルミニウム株式会社 Thermally conductive resin composition and heat dissipating material containing same
JP2022501449A (en) * 2018-07-19 2022-01-06 中山大学Sun Yat−Sen University Electrorheological fluid

Also Published As

Publication number Publication date
JPH07103392B2 (en) 1995-11-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees