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DE60019627D1 - Ferrofluid-zusammensetzung und verfahren - Google Patents

Ferrofluid-zusammensetzung und verfahren

Info

Publication number
DE60019627D1
DE60019627D1 DE60019627T DE60019627T DE60019627D1 DE 60019627 D1 DE60019627 D1 DE 60019627D1 DE 60019627 T DE60019627 T DE 60019627T DE 60019627 T DE60019627 T DE 60019627T DE 60019627 D1 DE60019627 D1 DE 60019627D1
Authority
DE
Germany
Prior art keywords
ferrofluid composition
ferrofluid
composition
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
DE60019627T
Other languages
English (en)
Other versions
DE60019627T2 (de
Inventor
Lucian Borduz
Yasutake Hirota
Shiro Tsuda
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.)
Ferrotec Material Technologies Corp
Original Assignee
Ferrotec 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 Ferrotec Corp filed Critical Ferrotec Corp
Application granted granted Critical
Publication of DE60019627D1 publication Critical patent/DE60019627D1/de
Publication of DE60019627T2 publication Critical patent/DE60019627T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Lubricants (AREA)
  • Soft Magnetic Materials (AREA)
  • Colloid Chemistry (AREA)
DE60019627T 1999-10-28 2000-10-27 Ferrofluid-zusammensetzung und verfahren Expired - Lifetime DE60019627T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US429189 1999-10-28
US09/429,189 US6277298B1 (en) 1999-10-28 1999-10-28 Ferrofluid composition and process
PCT/IB2000/001666 WO2001031662A1 (en) 1999-10-28 2000-10-27 Ferrofluid composition and process

Publications (2)

Publication Number Publication Date
DE60019627D1 true DE60019627D1 (de) 2005-05-25
DE60019627T2 DE60019627T2 (de) 2005-08-18

Family

ID=23702183

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60019627T Expired - Lifetime DE60019627T2 (de) 1999-10-28 2000-10-27 Ferrofluid-zusammensetzung und verfahren

Country Status (6)

Country Link
US (1) US6277298B1 (de)
EP (1) EP1224670B1 (de)
JP (1) JP4869527B2 (de)
AU (1) AU1169001A (de)
DE (1) DE60019627T2 (de)
WO (1) WO2001031662A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6812583B2 (en) * 2002-02-19 2004-11-02 Rockwell Scientific Licensing, Llc Electrical generator with ferrofluid bearings
US7288860B2 (en) * 2002-02-19 2007-10-30 Teledyne Licensing, Inc. Magnetic transducer with ferrofluid end bearings
US6768230B2 (en) 2002-02-19 2004-07-27 Rockwell Scientific Licensing, Llc Multiple magnet transducer
US6812598B2 (en) * 2002-02-19 2004-11-02 Rockwell Scientific Licensing, Llc Multiple magnet transducer with differential magnetic strengths
US7063802B2 (en) * 2003-03-28 2006-06-20 Ferrotec Corporation Composition and method of making an element-modified ferrofluid
US20060142632A1 (en) * 2004-12-29 2006-06-29 Attila Meretei Systems and methods for removing plaque from a blood vessel
JP2006266719A (ja) * 2005-03-22 2006-10-05 Jsr Corp 診断薬用粒子
US7148583B1 (en) * 2005-09-05 2006-12-12 Jeng-Jye Shau Electrical power generators
KR101249078B1 (ko) * 2006-01-20 2013-03-29 삼성전기주식회사 실록산계 분산제 및 이를 포함하는 나노입자 페이스트조성물
JP4936080B2 (ja) * 2006-04-28 2012-05-23 アイシン精機株式会社 メタル軸受
NO20073388L (no) * 2007-07-02 2009-01-05 Jotun As Organofunksjonelle polysiloksanpolymerer og belegningssammensetninger som inneholder nevnte polymerer
US8009442B2 (en) * 2007-12-28 2011-08-30 Intel Corporation Directing the flow of underfill materials using magnetic particles
ES2347300T3 (es) 2008-02-13 2010-10-27 Inve Technologies Nv Metodo para tratar quistes de artemia.
CN101599335B (zh) * 2009-04-17 2011-11-30 中山大学 一种耐氧化二甲基硅油基磁性液体及其制备方法
CN102031187B (zh) * 2010-12-27 2013-03-06 昆明理工大学 一种油基磁流变液压传动介质的制备方法
RU2502792C1 (ru) * 2012-10-30 2013-12-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" Способ получения магнитного масла
CN105392832B (zh) * 2013-07-18 2019-01-04 索马龙株式会社 磁性粉体、磁性粉体组合物、磁性粉体组合物成型体及其制造方法
JP7383395B2 (ja) * 2019-04-26 2023-11-20 株式会社フェローテックマテリアルテクノロジーズ 磁性流体
US12122954B2 (en) * 2020-08-20 2024-10-22 The Lubrizol Corporation Organic heat transfer system, method and fluid
CN114628143B (zh) * 2022-04-06 2022-11-25 黑龙江工程学院 一种低挥发耐高温磁性流体制备方法
PL246587B1 (pl) * 2022-04-30 2025-02-17 Inst Chemii Fizycznej Polskiej Akademii Nauk Dodatek ferromagnetyczny do cieczy magnetoreologicznej, sposób jej otrzymywania, zawierająca go ciecz magnetoreologiczna oraz sposób jej otrzymywania
CN115779859B (zh) * 2022-11-30 2024-06-14 黑龙江省建筑材料工业规划设计研究院 磁性吸附剂及其制备方法和含油污水的处理方法
WO2025053193A1 (ja) * 2023-09-07 2025-03-13 キヤノン株式会社 磁性粒子、アッセイ用磁性粒子及び磁性粒子の製造方法
WO2025061695A1 (en) 2023-09-18 2025-03-27 Totalenergies Onetech Cooling composition for powertrain of electric vehicles
WO2025164383A1 (ja) * 2024-01-31 2025-08-07 ソマール株式会社 磁性流体組成物及びモータ
CN119613964B (zh) * 2025-02-11 2025-05-06 清华大学 一种具备低挥发、耐辐射功能的硅油基磁性液体及其制备方法和应用

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356098A (en) * 1979-11-08 1982-10-26 Ferrofluidics Corporation Stable ferrofluid compositions and method of making same
JPS5863795A (ja) 1981-10-09 1983-04-15 Sharp Corp 磁性流体
JPS61225806A (ja) 1985-03-29 1986-10-07 Toray Silicone Co Ltd シリコ−ン油を分散媒とした磁性流体およびその製造方法
JPS63175401A (ja) 1987-01-14 1988-07-19 Nippon Seiko Kk 低温用磁性流体
JPH0744100B2 (ja) * 1987-02-28 1995-05-15 日本精工株式会社 磁性流体組成物とその製造方法
JPS63239904A (ja) 1987-03-27 1988-10-05 Nippon Seiko Kk 光硬化型磁性流体
JPH0740529B2 (ja) * 1987-04-22 1995-05-01 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
US4956113A (en) 1988-02-16 1990-09-11 Nok Corporation Process for preparing a magnetic fluid
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
JPH01315103A (ja) * 1988-06-15 1989-12-20 Nippon Seiko Kk 磁性流体組成物の製造方法
JPH079843B2 (ja) * 1990-02-20 1995-02-01 日本精工株式会社 磁性流体組成物及びその製造方法
JP3021579B2 (ja) 1990-08-30 2000-03-15 日本精工株式会社 磁性流体組成物
JP3768564B2 (ja) 1995-07-03 2006-04-19 豊久 藤田 シリコーンオイルベースの磁性流体およびその製法
US5676877A (en) * 1996-03-26 1997-10-14 Ferrotec Corporation Process for producing a magnetic fluid and composition therefor
EP0845790B1 (de) * 1996-11-28 2002-07-10 Fludicon GmbH Magnetorheologische Flüssigkeiten und mit Polymer beschichtete, magnetische Teilchen
US5851416A (en) 1997-02-12 1998-12-22 Ferrofluidics Corporation Stable polysiloxane ferrofluid compositions and method of making same
US6261471B1 (en) * 1999-10-15 2001-07-17 Shiro Tsuda Composition and method of making a ferrofluid having an improved chemical stability

Also Published As

Publication number Publication date
EP1224670B1 (de) 2005-04-20
JP4869527B2 (ja) 2012-02-08
US6277298B1 (en) 2001-08-21
AU1169001A (en) 2001-05-08
DE60019627T2 (de) 2005-08-18
JP2003513156A (ja) 2003-04-08
WO2001031662A1 (en) 2001-05-03
EP1224670A1 (de) 2002-07-24

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