DE69321247T2 - Magnetorheologische thixotrope materialien - Google Patents

Magnetorheologische thixotrope materialien

Info

Publication number
DE69321247T2
DE69321247T2 DE69321247T DE69321247T DE69321247T2 DE 69321247 T2 DE69321247 T2 DE 69321247T2 DE 69321247 T DE69321247 T DE 69321247T DE 69321247 T DE69321247 T DE 69321247T DE 69321247 T2 DE69321247 T2 DE 69321247T2
Authority
DE
Germany
Prior art keywords
thixotrope
magnetorheological
materials
thixotrope materials
magnetorheological thixotrope
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
DE69321247T
Other languages
English (en)
Other versions
DE69321247D1 (en
Inventor
Keith Weiss
Donald Nixon
J Carlson
Anthony Margida
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.)
Lord Corp
Original Assignee
Lord Corp
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 Lord Corp filed Critical Lord Corp
Application granted granted Critical
Publication of DE69321247D1 publication Critical patent/DE69321247D1/de
Publication of DE69321247T2 publication Critical patent/DE69321247T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/447—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
DE69321247T 1992-10-30 1993-10-18 Magnetorheologische thixotrope materialien Expired - Fee Related DE69321247T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96865592A 1992-10-30 1992-10-30
PCT/US1993/009939 WO1994010693A1 (en) 1992-10-30 1993-10-18 Thixotropic magnetorheological materials

Publications (2)

Publication Number Publication Date
DE69321247D1 DE69321247D1 (en) 1998-10-29
DE69321247T2 true DE69321247T2 (de) 1999-02-25

Family

ID=25514585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321247T Expired - Fee Related DE69321247T2 (de) 1992-10-30 1993-10-18 Magnetorheologische thixotrope materialien

Country Status (8)

Country Link
US (1) US5645752A (de)
EP (1) EP0667029B1 (de)
JP (1) JP3335630B2 (de)
CN (1) CN1088020A (de)
CA (1) CA2148000C (de)
DE (1) DE69321247T2 (de)
RU (1) RU2111572C1 (de)
WO (1) WO1994010693A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061898A1 (de) 2010-11-24 2012-05-24 Endress + Hauser Gmbh + Co. Kg Druckmittler und Druckmessaufnehmer mit einem Druckmittler

Families Citing this family (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6503414B1 (en) 1992-04-14 2003-01-07 Byelocorp Scientific, Inc. Magnetorheological polishing devices and methods
US5795212A (en) * 1995-10-16 1998-08-18 Byelocorp Scientific, Inc. Deterministic magnetorheological finishing
US5670077A (en) * 1995-10-18 1997-09-23 Lord Corporation Aqueous magnetorheological materials
US5900184A (en) * 1995-10-18 1999-05-04 Lord Corporation Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device
US5907008A (en) * 1996-03-18 1999-05-25 Kabushiki Kaisha Toshiba Black coloring composition, high heat resistance light-shielding component, array substrate, liquid crystal and method of manufacturing array substrate
US5705085A (en) * 1996-06-13 1998-01-06 Lord Corporation Organomolybdenum-containing magnetorheological fluid
US5906767A (en) * 1996-06-13 1999-05-25 Lord Corporation Magnetorheological fluid
US5683615A (en) * 1996-06-13 1997-11-04 Lord Corporation Magnetorheological fluid
US6113642A (en) 1996-06-27 2000-09-05 Mauch, Inc. Computer controlled hydraulic resistance device for a prosthesis and other apparatus
TW374181B (en) * 1996-08-22 1999-11-11 Furukawa Electric Co Ltd Multilayer insulated wire and transformer using the same
DE59707683D1 (de) * 1996-11-28 2002-08-14 Fludicon Gmbh Magnetorheologische Flüssigkeiten und mit Polymer beschichtete, magnetische Teilchen
DE19654461A1 (de) * 1996-12-27 1998-07-02 Rwe Dea Ag Flüssigkeitszusammensetzung und Verwendung der Flüssigkeitszusammensetzung als magnetorheologische Flüssigkeit
US5993358A (en) * 1997-03-05 1999-11-30 Lord Corporation Controllable platform suspension system for treadmill decks and the like and devices therefor
US6095486A (en) * 1997-03-05 2000-08-01 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US5947238A (en) * 1997-03-05 1999-09-07 Lord Corporation Passive magnetorheological fluid device with excursion dependent characteristic
WO1999006731A1 (en) * 1997-08-04 1999-02-11 Lord Corporation Magnetorheological fluid devices exhibiting settling stability
US6427813B1 (en) * 1997-08-04 2002-08-06 Lord Corporation Magnetorheological fluid devices exhibiting settling stability
CN1108467C (zh) * 1997-08-04 2003-05-14 劳德公司 具有沉淀稳定性的磁性流变流体装置
US5915513A (en) * 1997-08-26 1999-06-29 Borg-Warner Automotive, Inc. Clutch with magneto-rheological operator for transfer cases and the like
US5985168A (en) * 1997-09-29 1999-11-16 University Of Pittsburgh Of The Commonwealth System Of Higher Education Magnetorheological fluid
DE19754690A1 (de) * 1997-12-10 1999-07-01 Biedermann Motech Gmbh Beinprothese mit einem künstlichen Kniegelenk mit einer Regeleinrichtung
JP3537023B2 (ja) * 1998-01-23 2004-06-14 Ｎｏｋ株式会社 磁性流体
JP3424546B2 (ja) * 1998-02-06 2003-07-07 エヌオーケー株式会社 磁性流体
KR100562767B1 (ko) 1998-03-04 2006-03-20 보그-워너 인코포레이티드 자성 유체 클러치를 포함한 트랜스퍼 케이스 조립체 및 차동장치 조립체
US5992583A (en) * 1998-03-27 1999-11-30 Ford Global Technologies, Inc. Method of stabilizing valve lift-off in hydraulic shock absorbers
DE19860691A1 (de) * 1998-12-29 2000-03-09 Vacuumschmelze Gmbh Magnetpaste
US6168634B1 (en) 1999-03-25 2001-01-02 Geoffrey W. Schmitz Hydraulically energized magnetorheological replicant muscle tissue and a system and a method for using and controlling same
US6221138B1 (en) 1999-06-30 2001-04-24 Ncr Corporation Jet ink with a magneto-rheological fluid
US6203717B1 (en) 1999-07-01 2001-03-20 Lord Corporation Stable magnetorheological fluids
US6132633A (en) * 1999-07-01 2000-10-17 Lord Corporation Aqueous magnetorheological material
US6267364B1 (en) 1999-07-19 2001-07-31 Xuesong Zhang Magnetorheological fluids workpiece holding apparatus and method
US6261471B1 (en) * 1999-10-15 2001-07-17 Shiro Tsuda Composition and method of making a ferrofluid having an improved chemical stability
US6599439B2 (en) 1999-12-14 2003-07-29 Delphi Technologies, Inc. Durable magnetorheological fluid compositions
US6547983B2 (en) 1999-12-14 2003-04-15 Delphi Technologies, Inc. Durable magnetorheological fluid compositions
DE60112403T2 (de) 2000-01-20 2006-06-01 Massachusetts Institute Of Technology, Cambridge Elektronisch gesteuerte kniegelenkprothese
AU2001241642A1 (en) 2000-02-18 2001-08-27 The Board Of Regents Of The University And Community College System Of Nevada Magnetorheological polymer gels
AU4975901A (en) * 2000-03-29 2001-10-08 Massachusetts Inst Technology Speed-adaptive and patient-adaptive prosthetic knee
US6818143B2 (en) * 2000-04-07 2004-11-16 Delphi Technologies, Inc. Durable magnetorheological fluid
US6475404B1 (en) * 2000-05-03 2002-11-05 Lord Corporation Instant magnetorheological fluid mix
US7217372B2 (en) 2000-05-03 2007-05-15 Lord Corporation Magnetorheological composition
US6395193B1 (en) 2000-05-03 2002-05-28 Lord Corporation Magnetorheological compositions
ATE282679T1 (de) * 2000-06-19 2004-12-15 Texaco Development Corp Wärmeübertragungsflüssigkeit enthaltend nanopartikel und carboxylate
US6780343B2 (en) 2000-07-31 2004-08-24 Bando Chemical Industries Ltd. Stably dispersed magnetic viscous fluid
US6547986B1 (en) * 2000-09-21 2003-04-15 Lord Corporation Magnetorheological grease composition
US6369150B1 (en) * 2000-09-28 2002-04-09 Tayca Corporation Electromagnetic radiation absorption composition
US6451219B1 (en) 2000-11-28 2002-09-17 Delphi Technologies, Inc. Use of high surface area untreated fumed silica in MR fluid formulation
US6528110B2 (en) 2000-12-29 2003-03-04 Visteon Global Technologies, Inc. Method for utilizing an electro-rheological or magneto-rheological substance in mechanical components
US6679999B2 (en) 2001-03-13 2004-01-20 Delphi Technologies, Inc. MR fluids containing magnetic stainless steel
US6428860B1 (en) 2001-05-11 2002-08-06 Visteon Global Technologies, Inc. Method for manufacturing magneto-rheological or electro-rheological substance-impregnated materials
US6581740B2 (en) 2001-05-11 2003-06-24 Visteon Global Technologies, Inc. Multiple disc clutch pack having rheological film layer
US6638443B2 (en) 2001-09-21 2003-10-28 Delphi Technologies, Inc. Optimized synthetic base liquid for magnetorheological fluid formulations
US6673258B2 (en) 2001-10-11 2004-01-06 Tmp Technologies, Inc. Magnetically responsive foam and manufacturing process therefor
NL1019349C2 (nl) * 2001-11-12 2003-05-13 Univ Delft Tech Werkwijze voor het laten uitharden van een vloeibare massa.
US6787058B2 (en) 2001-11-13 2004-09-07 Delphi Technologies, Inc. Low-cost MR fluids with powdered iron
US6681905B2 (en) 2001-11-30 2004-01-27 Visteon Global Technologies, Inc. Magnetorheological fluid-controlled vehicle suspension damper
US6508108B1 (en) 2001-12-13 2003-01-21 Delphi Technologies, Inc. Settling test for magnetorheological fluids
US6712990B1 (en) * 2002-06-14 2004-03-30 University Of Pittsburgh Of The Commonwealth System Of Higher Education Magnetorheological fluids and related method of preparation
US7736394B2 (en) 2002-08-22 2010-06-15 Victhom Human Bionics Inc. Actuated prosthesis for amputees
JP4808026B2 (ja) 2002-08-22 2011-11-02 ヴィクソム ヒューマン バイオニクス インコーポレーテッド 膝上部肢切断患者用の駆動源付き義足
US7087184B2 (en) 2002-11-06 2006-08-08 Lord Corporation MR fluid for increasing the output of a magnetorheological fluid device
US6886819B2 (en) 2002-11-06 2005-05-03 Lord Corporation MR fluid for increasing the output of a magnetorheological fluid damper
US6824700B2 (en) * 2003-01-15 2004-11-30 Delphi Technologies, Inc. Glycol-based MR fluids with thickening agent
JP3922370B2 (ja) 2003-01-30 2007-05-30 信越化学工業株式会社 ダイラタンシー性流体組成物
US7101487B2 (en) * 2003-05-02 2006-09-05 Ossur Engineering, Inc. Magnetorheological fluid compositions and prosthetic knees utilizing same
US7198071B2 (en) * 2003-05-02 2007-04-03 Össur Engineering, Inc. Systems and methods of loading fluid in a prosthetic knee
US7883636B2 (en) 2003-08-08 2011-02-08 Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Reno Nanostructured magnetorheological fluids and gels
US7297290B2 (en) 2003-08-08 2007-11-20 The Board Of Regents Of The University And Community College System Of Nevada Nanostructured magnetorheological fluids and gels
TWI357425B (en) * 2003-09-09 2012-02-01 Laird Technologies Inc Microwave-absorbing form-in-place paste
US20050107889A1 (en) 2003-11-18 2005-05-19 Stephane Bedard Instrumented prosthetic foot
US7815689B2 (en) 2003-11-18 2010-10-19 Victhom Human Bionics Inc. Instrumented prosthetic foot
ES2304096B1 (es) * 2003-11-26 2009-05-07 Hoeganaes Corporation Suspensiones de composiciones de polvos metalurgicos y articulos y metodos que utilizan dichas composiciones.
US8057550B2 (en) 2004-02-12 2011-11-15 össur hf. Transfemoral prosthetic systems and methods for operating the same
US7896927B2 (en) 2004-02-12 2011-03-01 össur hf. Systems and methods for actuating a prosthetic ankle based on a relaxed position
US20050283257A1 (en) * 2004-03-10 2005-12-22 Bisbee Charles R Iii Control system and method for a prosthetic knee
CN1984623B (zh) 2004-03-10 2011-04-13 奥瑟Hf公司 用于义膝的控制系统和方法
US7070708B2 (en) * 2004-04-30 2006-07-04 Delphi Technologies, Inc. Magnetorheological fluid resistant to settling in natural rubber devices
US7455696B2 (en) 2004-05-07 2008-11-25 össur hf Dynamic seals for a prosthetic knee
US20050274454A1 (en) * 2004-06-09 2005-12-15 Extrand Charles W Magneto-active adhesive systems
DE102004041649B4 (de) * 2004-08-27 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Elastomere und deren Verwendung
DE102004041651B4 (de) * 2004-08-27 2006-10-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Materialien mit magnetischen und nichtmagnetischen anorganischen Zusätzen und deren Verwendung
DE102004041650B4 (de) 2004-08-27 2006-10-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Materialien mit hohem Schaltfaktor und deren Verwendung
US7163156B2 (en) * 2004-10-06 2007-01-16 Lawrence Kates System and method for zone heating and cooling
JP4683185B2 (ja) * 2004-11-05 2011-05-11 戸田工業株式会社 磁気粘性流体
CN101128167B (zh) 2004-12-22 2011-05-18 奥瑟Hf公司 处理肢体运动的系统和方法
US20060262120A1 (en) * 2005-05-19 2006-11-23 Outland Research, Llc Ambulatory based human-computer interface
US8801802B2 (en) 2005-02-16 2014-08-12 össur hf System and method for data communication with a mechatronic device
US20060213739A1 (en) * 2005-03-25 2006-09-28 Sun Shin-Ching Magnetic drive transmission device having heat dissipation, magnetic permeability and self-lubrication functions
SE528516C2 (sv) 2005-04-19 2006-12-05 Lisa Gramnaes Kombinerat aktivt och passivt benprotessystem samt en metod för att utföra en rörelsecykel med ett sådant system
US20060248750A1 (en) * 2005-05-06 2006-11-09 Outland Research, Llc Variable support footwear using electrorheological or magnetorheological fluids
US7394014B2 (en) * 2005-06-04 2008-07-01 Outland Research, Llc Apparatus, system, and method for electronically adaptive percussion instruments
DE102005030613A1 (de) * 2005-06-30 2007-01-04 Basf Ag Magnetorheologische Flüssigkeit
DE102005034925B4 (de) * 2005-07-26 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Elastomerkomposite sowie deren Verwendung
CN101453964B (zh) 2005-09-01 2013-06-12 奥瑟Hf公司 用于确定地形转换的系统和方法
US7586032B2 (en) 2005-10-07 2009-09-08 Outland Research, Llc Shake responsive portable media player
US20070176035A1 (en) * 2006-01-30 2007-08-02 Campbell John P Rotary motion control device
WO2008055523A1 (en) * 2006-11-07 2008-05-15 Stichting Dutch Polymer Institute Magnetic fluids and their use
US8317002B2 (en) * 2006-12-08 2012-11-27 The Regents Of The University Of California System of smart colloidal dampers with controllable damping curves using magnetic field and method of using the same
DE102007017589B3 (de) * 2007-04-13 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dämpfungsvorrichtung mit feldsteuerbarer Flüssigkeit
US7731863B2 (en) * 2007-07-12 2010-06-08 Iyengar Vardarajan R Magnetorheological fluid with a fluorocarbon thickener
ES2817544T3 (es) 2008-05-06 2021-04-07 Cj Cheiljedang Corp Mezclas de poliéster biodegradables
WO2010126606A2 (en) * 2009-05-01 2010-11-04 Nanosys, Inc. Functionalized matrixes for dispersion of nanostructures
PL2272893T3 (pl) * 2009-06-19 2015-04-30 Agfa Graphics Nv Dyspergatory polimeryczne i niewodne dyspersje
US20110121223A1 (en) * 2009-11-23 2011-05-26 Gm Global Technology Operations, Inc. Magnetorheological fluids and methods of making and using the same
US8286705B2 (en) * 2009-11-30 2012-10-16 Schlumberger Technology Corporation Apparatus and method for treating a subterranean formation using diversion
DE102010002356A1 (de) * 2010-02-25 2011-08-25 Evonik Degussa GmbH, 45128 Zusammensetzungen von mit oligomeren Siloxanolen funktionalisierten Metalloxiden und deren Verwendung
US9139770B2 (en) 2012-06-22 2015-09-22 Nanosys, Inc. Silicone ligands for stabilizing quantum dot films
CN109054254B (zh) 2012-08-17 2021-02-02 Cj第一制糖株式会社 用于聚合物共混物的生物基橡胶改性剂
CN103031194B (zh) * 2012-11-28 2014-04-09 重庆大学 磁流变粘弹性流体及其制备方法
RU2517704C1 (ru) * 2012-12-06 2014-05-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) Способ получения ферромагнитной жидкости на полиэтилсилоксановой основе
US9561118B2 (en) 2013-02-26 2017-02-07 össur hf Prosthetic foot with enhanced stability and elastic energy return
US9005480B2 (en) 2013-03-14 2015-04-14 Nanosys, Inc. Method for solventless quantum dot exchange
CN105531308B (zh) 2013-05-30 2021-08-10 Cj 第一制糖株式会社 回收物共混物
WO2015149029A1 (en) 2014-03-27 2015-10-01 Metabolix, Inc. Highly filled polymer systems
US10836949B2 (en) 2014-07-11 2020-11-17 Board Of Regents, The University Of Texas System Magnetorheological fluids and methods of using same
CN104361972A (zh) * 2014-10-07 2015-02-18 冯智勇 一种醇基磁流体密封新材料
US9743712B2 (en) * 2015-05-28 2017-08-29 Nike, Inc. Sole structure with electrically controllable damping element
US9675979B2 (en) 2015-06-08 2017-06-13 Saudi Arabian Oil Company Controlling flow of black powder in hydrocarbon pipelines
KR101969257B1 (ko) * 2015-11-09 2019-04-15 와커 헤미 아게 탄도학적 방법에 의해 엘라스토머 성형품을 제조하기 위한 실리콘 조성물
US11518957B2 (en) 2016-02-29 2022-12-06 Lord Corporation Additive for magnetorheological fluids
US10308771B2 (en) 2016-08-31 2019-06-04 Ppg Industries Ohio, Inc. Coating compositions and coatings for adjusting friction
CN109134893B (zh) * 2017-06-28 2021-07-06 哈尔滨工业大学（威海） 一种复合磁流变薄膜材料及其制备方法
JP6807814B2 (ja) * 2017-08-09 2021-01-06 コスモ石油ルブリカンツ株式会社 磁気粘性流体組成物
JP6682608B1 (ja) * 2018-11-26 2020-04-15 日本ペイントホールディングス株式会社 磁気粘弾性流体および装置
JP7353053B2 (ja) * 2019-03-28 2023-09-29 ソマール株式会社 磁気粘性流体組成物
KR102308007B1 (ko) 2020-10-30 2021-10-05 주식회사 씨케이머티리얼즈랩 자기유변유체 및 자기유변유체의 제조 방법
CN114538438A (zh) * 2022-02-27 2022-05-27 浙江工业大学 一种脱除煤气中羰基硫的碳分子筛材料、其制备方法和应用
CN114477988B (zh) * 2022-03-28 2023-03-24 天通控股股份有限公司 一种易成型、高强度铁氧体材料及其制备方法

Family Cites Families (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733792A (en) * 1956-02-07 Clutch with magnetic fluid mixture
US2575360A (en) * 1947-10-31 1951-11-20 Rabinow Jacob Magnetic fluid torque and force transmitting device
US2667237A (en) * 1948-09-27 1954-01-26 Rabinow Jacob Magnetic fluid shock absorber
US2886151A (en) * 1949-01-07 1959-05-12 Wefco Inc Field responsive fluid couplings
US2663809A (en) * 1949-01-07 1953-12-22 Wefco Inc Electric motor with a field responsive fluid clutch
US2661825A (en) * 1949-01-07 1953-12-08 Wefco Inc High fidelity slip control
US2670749A (en) * 1949-07-21 1954-03-02 Hanovia Chemical & Mfg Co Magnetic valve
US2661596A (en) * 1950-01-28 1953-12-08 Wefco Inc Field controlled hydraulic device
NL88348C (de) * 1951-08-23
US2847101A (en) * 1951-11-10 1958-08-12 Basf Ag Overload releasing magnetic powder-clutch
BE538608A (de) * 1954-06-10
US3010471A (en) * 1959-12-21 1961-11-28 Ibm Valve for magnetic fluids
US3047507A (en) * 1960-04-04 1962-07-31 Wefco Inc Field responsive force transmitting compositions
US3484162A (en) * 1963-10-03 1969-12-16 Xerox Corp Electroviscous recording
US3207269A (en) * 1963-12-12 1965-09-21 Pure Oil Co Electric viscous field responsive shock absorber
DE1512650B2 (de) * 1966-01-26 1971-10-07 Xerox Corp , Rochester, N Y (V St A ) Verfahren und einrichtung zur aufzeichnung von informationen mit einer elektroviskosen tinte
US3612630A (en) * 1970-01-23 1971-10-12 Ferrofluidics Corp Bearing arrangement with magnetic fluid defining bearing pads
US3784471A (en) * 1970-05-11 1974-01-08 Avco Corp Solid additives dispersed in perfluorinated liquids with perfluoroalkyl ether dispersants
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
US4121157A (en) * 1977-07-05 1978-10-17 General Dynamics Corporation Castable magnetic particle flaw detection composition and method using constituents that are non-volatile and resistant to oxidation below 100° F and having a viscosity less than 12,000 centipoises
US4356098A (en) * 1979-11-08 1982-10-26 Ferrofluidics Corporation Stable ferrofluid compositions and method of making same
US4485024A (en) * 1982-04-07 1984-11-27 Nippon Seiko Kabushiki Kaisha Process for producing a ferrofluid, and a composition thereof
DE3427499A1 (de) * 1984-07-26 1986-02-13 Bayer Ag, 5090 Leverkusen Elektroviskose fluessigkeiten
US4565940A (en) * 1984-08-14 1986-01-21 Massachusetts Institute Of Technology Method and apparatus using a piezoelectric film for active control of vibrations
US4626370A (en) * 1984-09-17 1986-12-02 Tdk Corporation Magnetic fluid
US4624797A (en) * 1984-09-17 1986-11-25 Tdk Corporation Magnetic fluid and process for preparing the same
JPS6182835A (ja) * 1984-09-29 1986-04-26 Ricoh Co Ltd 微粒子体を含有するミクロゲル分散液
US4824587A (en) * 1985-03-18 1989-04-25 The Dow Chemical Company Composites of coercive particles and superparamagnetic particles
US4604229A (en) * 1985-03-20 1986-08-05 Ferrofluidics Corporation Electrically conductive ferrofluid compositions and method of preparing and using same
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
US4604222A (en) * 1985-05-21 1986-08-05 Ferrofluidics Corporation Stable ferrofluid composition and method of making and using same
DE3536934A1 (de) * 1985-10-17 1987-04-23 Bayer Ag Elektroviskose fluessigkeiten
US4733758A (en) * 1986-08-18 1988-03-29 Lord Corporation Tunable electrorheological fluid mount
US4879056A (en) * 1986-10-22 1989-11-07 Board Of Regents Acting For And On Behalf Of University Of Michigan Electric field dependent fluids
US4741850A (en) * 1986-10-31 1988-05-03 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
US4701276A (en) * 1986-10-31 1987-10-20 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
US4855079A (en) * 1986-10-31 1989-08-08 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
JPS6480240A (en) * 1987-09-22 1989-03-27 Tokuji Kogoori Formed feed and feed unit
US4772407A (en) * 1987-12-02 1988-09-20 Lord Corporation Electrorheological fluids
JP2725015B2 (ja) * 1988-03-11 1998-03-09 エヌオーケー株式会社 磁性流体の製造方法
JPH0642414B2 (ja) * 1988-03-11 1994-06-01 日本精工株式会社 導電性磁性流体組成物とその製造方法
JPH0670921B2 (ja) * 1988-06-03 1994-09-07 松下電器産業株式会社 磁性流体とその製造方法およびそれを用いた磁気シール装置
DE68904031T2 (de) * 1988-08-29 1993-04-29 Bridgestone Corp Elektroviskose fluessigkeiten.
US4923057A (en) * 1988-09-20 1990-05-08 Lord Corporation Electrorheological fluid composite structures
EP0396237A1 (de) * 1989-03-20 1990-11-07 Imperial Chemical Industries Plc Elektrorheologische Flüssigkeiten
US5167850A (en) * 1989-06-27 1992-12-01 Trw Inc. Fluid responsive to magnetic field
JPH0782925B2 (ja) * 1989-06-27 1995-09-06 ティーアールダブリュー・インコーポレーテッド 磁界に感応する流体
US4992190A (en) * 1989-09-22 1991-02-12 Trw Inc. Fluid responsive to a magnetic field
US5075021A (en) * 1989-09-29 1991-12-24 Carlson J David Optically transparent electrorheological fluids
JP2580344B2 (ja) * 1989-10-25 1997-02-12 日本精工株式会社 磁性流体組成物とその製造方法及び磁性流体シ―ル装置
US5143637A (en) * 1990-02-20 1992-09-01 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
US5007513A (en) * 1990-04-03 1991-04-16 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
US5147573A (en) * 1990-11-26 1992-09-15 Omni Quest Corporation Superparamagnetic liquid colloids
US5122292A (en) * 1991-04-15 1992-06-16 General Motors Corporation Methods of varying the frequency to produce predetermined electrorheological responses
US5130040A (en) * 1991-05-20 1992-07-14 General Motors Corporation Anhydrous electrorheological compositions including Zr(HPO4)2
US5139691A (en) * 1991-05-20 1992-08-18 General Motors Corporation Anhydrous electrorheological compositions including Na3 PO4
JPH05159917A (ja) * 1991-12-10 1993-06-25 Nippon Oil & Fats Co Ltd フルオロシリコン系強磁性体微粒子並びにその製造方法及び磁性流体並びにその製造方法
US5294360A (en) * 1992-01-31 1994-03-15 Lord Corporation Atomically polarizable electrorheological material
JP3241726B2 (ja) * 1992-04-14 2001-12-25 バイロコープ サイエンティフィク，インコーポレイティド 磁気レオロジー流体及びその製造方法
US5277281A (en) * 1992-06-18 1994-01-11 Lord Corporation Magnetorheological fluid dampers
US5284330A (en) * 1992-06-18 1994-02-08 Lord Corporation Magnetorheological fluid devices
US5382373A (en) * 1992-10-30 1995-01-17 Lord Corporation Magnetorheological materials based on alloy particles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061898A1 (de) 2010-11-24 2012-05-24 Endress + Hauser Gmbh + Co. Kg Druckmittler und Druckmessaufnehmer mit einem Druckmittler

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CA2148000A1 (en) 1994-05-11
CA2148000C (en) 2000-10-10
US5645752A (en) 1997-07-08
CN1088020A (zh) 1994-06-15
EP0667029A4 (de) 1995-06-13
JP3335630B2 (ja) 2002-10-21
DE69321247D1 (en) 1998-10-29
EP0667029B1 (de) 1998-09-23
WO1994010693A1 (en) 1994-05-11
RU95109903A (ru) 1997-04-10
JPH08502783A (ja) 1996-03-26
EP0667029A1 (de) 1995-08-16
RU2111572C1 (ru) 1998-05-20

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