DE60222353D1 - Verwendung eines diesters in eine magnetorheologische Flüssigkeit - Google Patents

Verwendung eines diesters in eine magnetorheologische Flüssigkeit

Info

Publication number
DE60222353D1
DE60222353D1 DE60222353T DE60222353T DE60222353D1 DE 60222353 D1 DE60222353 D1 DE 60222353D1 DE 60222353 T DE60222353 T DE 60222353T DE 60222353 T DE60222353 T DE 60222353T DE 60222353 D1 DE60222353 D1 DE 60222353D1
Authority
DE
Germany
Prior art keywords
diester
magnetorheological fluid
magnetorheological
fluid
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 - Lifetime
Application number
DE60222353T
Other languages
English (en)
Other versions
DE60222353T2 (de
Inventor
Vardarajan Raj Iyengar
Robert Thomas Foister
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Application granted granted Critical
Publication of DE60222353D1 publication Critical patent/DE60222353D1/de
Publication of DE60222353T2 publication Critical patent/DE60222353T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Lubricants (AREA)
DE60222353T 2001-09-21 2002-09-04 Verwendung eines Diesters in eine magnetorheologische Flüssigkeit Expired - Lifetime DE60222353T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/961,217 US6638443B2 (en) 2001-09-21 2001-09-21 Optimized synthetic base liquid for magnetorheological fluid formulations
US961217 2001-09-21

Publications (2)

Publication Number Publication Date
DE60222353D1 true DE60222353D1 (de) 2007-10-25
DE60222353T2 DE60222353T2 (de) 2008-06-12

Family

ID=25504201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60222353T Expired - Lifetime DE60222353T2 (de) 2001-09-21 2002-09-04 Verwendung eines Diesters in eine magnetorheologische Flüssigkeit

Country Status (3)

Country Link
US (1) US6638443B2 (de)
EP (1) EP1296335B1 (de)
DE (1) DE60222353T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6811717B2 (en) * 1999-12-30 2004-11-02 Delphi Technologies, Inc. Magnetorheological compositions for use in magnetorheological fluids and method of preparing same
US6818143B2 (en) * 2000-04-07 2004-11-16 Delphi Technologies, Inc. Durable magnetorheological fluid
US6836210B2 (en) 2002-11-12 2004-12-28 Maple Chase Company Adverse condition detector having modulated test signal
US6824700B2 (en) * 2003-01-15 2004-11-30 Delphi Technologies, Inc. Glycol-based MR fluids with thickening agent
US7101487B2 (en) * 2003-05-02 2006-09-05 Ossur Engineering, Inc. Magnetorheological fluid compositions and prosthetic knees utilizing same
US7575695B2 (en) * 2006-01-20 2009-08-18 Delphi Technologies, Inc. Additives package and magnetorheological fluid formulations for extended durability
US8506837B2 (en) * 2008-02-22 2013-08-13 Schlumberger Technology Corporation Field-responsive fluids
CN101388270B (zh) * 2008-07-01 2010-12-08 楼允洪 超高真空密封装置用的磁流体的制备方法
KR20180122372A (ko) 2016-02-29 2018-11-12 로오드 코포레이션 자기유변 유체용 첨가제

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4957644A (en) 1986-05-13 1990-09-18 Price John T Magnetically controllable couplings containing ferrofluids
US4992190A (en) 1989-09-22 1991-02-12 Trw Inc. Fluid responsive to a magnetic field
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
US5578238A (en) 1992-10-30 1996-11-26 Lord Corporation Magnetorheological materials utilizing surface-modified particles
JP3323500B2 (ja) 1992-10-30 2002-09-09 ロード・コーポレーション 低粘度磁気レオロジー材料
EP0667029B1 (de) 1992-10-30 1998-09-23 Lord Corporation Magnetorheologische thixotrope materialien
US5900184A (en) 1995-10-18 1999-05-04 Lord Corporation Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device
US5667715A (en) 1996-04-08 1997-09-16 General Motors Corporation Magnetorheological fluids
US5906767A (en) 1996-06-13 1999-05-25 Lord Corporation Magnetorheological fluid
US5683615A (en) 1996-06-13 1997-11-04 Lord Corporation Magnetorheological fluid
DE59707683D1 (de) 1996-11-28 2002-08-14 Fludicon Gmbh Magnetorheologische Flüssigkeiten und mit Polymer beschichtete, magnetische Teilchen
US5994605A (en) 1996-12-03 1999-11-30 Chevron Chemical Company High viscosity polyalphaolefins
US5985168A (en) 1997-09-29 1999-11-16 University Of Pittsburgh Of The Commonwealth System Of Higher Education Magnetorheological fluid
US6180575B1 (en) 1998-08-04 2001-01-30 Mobil Oil Corporation High performance lubricating oils
US6149832A (en) * 1998-10-26 2000-11-21 General Motors Corporation Stabilized magnetorheological fluid compositions
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
US6547983B2 (en) * 1999-12-14 2003-04-15 Delphi Technologies, Inc. Durable magnetorheological fluid compositions
US6599439B2 (en) * 1999-12-14 2003-07-29 Delphi Technologies, Inc. Durable magnetorheological fluid compositions
US20020000533A1 (en) * 1999-12-30 2002-01-03 Iyengar Vardarajan R. Hydrophobic metal particles for magnetorheological composition

Also Published As

Publication number Publication date
EP1296335A2 (de) 2003-03-26
EP1296335A3 (de) 2003-10-29
EP1296335B1 (de) 2007-09-12
DE60222353T2 (de) 2008-06-12
US6638443B2 (en) 2003-10-28
US20030057395A1 (en) 2003-03-27

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Legal Events

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8364 No opposition during term of opposition