BR9810887A - Fluido coloidal, processos para preparação do mesmo e para isolamento e refrigeração de um dispositivo eletromagnético que produza um campo magnético externo e calor, e, dispositivo eletromagnético. - Google Patents
Fluido coloidal, processos para preparação do mesmo e para isolamento e refrigeração de um dispositivo eletromagnético que produza um campo magnético externo e calor, e, dispositivo eletromagnético.Info
- Publication number
- BR9810887A BR9810887A BR9810887-5A BR9810887A BR9810887A BR 9810887 A BR9810887 A BR 9810887A BR 9810887 A BR9810887 A BR 9810887A BR 9810887 A BR9810887 A BR 9810887A
- Authority
- BR
- Brazil
- Prior art keywords
- electromagnetic device
- preparing
- produces
- processes
- magnetic field
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title abstract 5
- 238000001816 cooling Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 239000013528 metallic particle Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
- H01F1/445—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. Fe3O4
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/321—Insulating of coils, windings, or parts thereof using a fluid for insulating purposes only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Transformer Cooling (AREA)
- Lubricants (AREA)
- Organic Insulating Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/892,054 US5863455A (en) | 1997-07-14 | 1997-07-14 | Colloidal insulating and cooling fluid |
| PCT/US1998/014514 WO1999002467A1 (en) | 1997-07-14 | 1998-07-14 | Colloidal insulating and cooling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9810887A true BR9810887A (pt) | 2000-09-26 |
Family
ID=25399285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9810887-5A BR9810887A (pt) | 1997-07-14 | 1998-07-14 | Fluido coloidal, processos para preparação do mesmo e para isolamento e refrigeração de um dispositivo eletromagnético que produza um campo magnético externo e calor, e, dispositivo eletromagnético. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5863455A (enExample) |
| EP (1) | EP1019336A4 (enExample) |
| JP (1) | JP2001509635A (enExample) |
| KR (1) | KR20010021785A (enExample) |
| CN (1) | CN1302490C (enExample) |
| AU (1) | AU8400998A (enExample) |
| BR (1) | BR9810887A (enExample) |
| CA (1) | CA2296379A1 (enExample) |
| ID (1) | ID28973A (enExample) |
| RU (1) | RU2229181C2 (enExample) |
| TR (1) | TR200000076T2 (enExample) |
| WO (1) | WO1999002467A1 (enExample) |
| ZA (1) | ZA986235B (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10021246A1 (de) * | 2000-04-25 | 2001-10-31 | Schering Ag | Substituierte Benzoesäureamide und deren Verwendung als Arzneimittel |
| DE60015947T2 (de) * | 2000-06-19 | 2005-11-10 | Texaco Development Corp. | Wärmeübertragungsflüssigkeit enthaltend Nanopartikel und Carboxylate |
| US6517355B1 (en) | 2001-05-15 | 2003-02-11 | Hasbro, Inc. | Magnetically responsive writing device with automated output |
| US20030162151A1 (en) * | 2001-05-15 | 2003-08-28 | Natasha Berling | Display responsive learning apparatus and method for children |
| US6927510B1 (en) * | 2002-08-20 | 2005-08-09 | Abb Inc. | Cooling electromagnetic stirrers |
| US7396326B2 (en) | 2005-05-17 | 2008-07-08 | Neuronetics, Inc. | Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators |
| CN1937900A (zh) * | 2005-09-23 | 2007-03-28 | 鸿富锦精密工业(深圳)有限公司 | 液冷式散热系统 |
| RU2504758C2 (ru) * | 2005-10-06 | 2014-01-20 | Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия" | Способ оценки охлаждающей способности жидкостей |
| US20070253888A1 (en) * | 2006-04-28 | 2007-11-01 | Industrial Technology Research Institute | A method for preparing carbon nanofluid |
| TW200826121A (en) * | 2006-09-22 | 2008-06-16 | Basf Ag | Magnetorheological formulation |
| US20090154093A1 (en) * | 2006-10-11 | 2009-06-18 | Dell Products L.P. | Composition and Methods for Managing Heat Within an Information Handling System |
| WO2008071704A1 (en) * | 2006-12-11 | 2008-06-19 | Abb Research Ltd | Insulation liquid |
| US20080236794A1 (en) * | 2007-03-27 | 2008-10-02 | Dk Innovations Inc. | Heat-removal device |
| US8749951B2 (en) * | 2009-03-26 | 2014-06-10 | Lawrence Livermore National Security, Llc | Two-phase mixed media dielectric with macro dielectric beads for enhancing resistivity and breakdown strength |
| RU2405223C1 (ru) * | 2009-09-01 | 2010-11-27 | Федеральное государственное предприятие "Всероссийский электротехнический институт имени В.И. Ленина" | Электроизоляционная жидкая композиция на основе растительного масла |
| US20100277869A1 (en) * | 2009-09-24 | 2010-11-04 | General Electric Company | Systems, Methods, and Apparatus for Cooling a Power Conversion System |
| WO2011119747A1 (en) | 2010-03-23 | 2011-09-29 | Massachusetts Institute Of Technology | Low ionization potential additive to dielectric compositions |
| GR20160100388A (el) | 2016-07-14 | 2018-03-30 | Πανεπιστημιο Πατρων | Παραγωγικη διαδικασια συνθεσης διηλεκτρικου νανοελαιου |
| JPWO2018168684A1 (ja) * | 2017-03-13 | 2020-01-16 | 学校法人同志社 | トランスオイル、トランスオイル評価方法およびトランスオイル評価装置 |
| KR20190076546A (ko) * | 2017-12-22 | 2019-07-02 | 창신대학교 산학협력단 | 자성 나노유체가 혼합된 혼합 절연유를 사용하는 냉각 절연 장치 |
| WO2024014993A1 (ru) * | 2022-07-15 | 2024-01-18 | Павел Николаевич КАНЦЕРЕВ | Многокомпонентная охлаждающая наножидкость |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215572A (en) * | 1963-10-09 | 1965-11-02 | Papell Solomon Stephen | Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles |
| US3301790A (en) * | 1964-09-24 | 1967-01-31 | Grace W R & Co | Metal oxide-carbon organosol process and product |
| US3635819A (en) * | 1970-06-15 | 1972-01-18 | Avco Corp | Process for cleaning up oil spills |
| 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 |
| US4094804A (en) * | 1974-08-19 | 1978-06-13 | Junzo Shimoiizaka | Method for preparing a water base magnetic fluid and product |
| US3951784A (en) * | 1975-01-29 | 1976-04-20 | Avco Corporation | Fine powder classification by ferrofluid density separation |
| JPS6031211B2 (ja) * | 1975-12-19 | 1985-07-20 | 鐘淵化学工業株式会社 | 電気流体組成物 |
| US4356098A (en) * | 1979-11-08 | 1982-10-26 | Ferrofluidics Corporation | Stable ferrofluid compositions and method of making same |
| US4435302A (en) * | 1982-05-28 | 1984-03-06 | The United States Of America As Represented By The Secretary Of The Interior | Concentrating and reclaiming magnetic fluids |
| SU1274011A1 (ru) * | 1984-06-21 | 1986-11-30 | Целиноградский сельскохозяйственный институт | Силовой трехфазный трансформатор |
| US4523967A (en) * | 1984-08-06 | 1985-06-18 | Hercules Incorporated | Invert emulsion explosives containing a one-component oil phase |
| US4506895A (en) * | 1984-08-29 | 1985-03-26 | Ferrofluidics Corporation | Self-activating ferrofluid seal apparatus and method of use |
| US4732706A (en) * | 1985-03-20 | 1988-03-22 | Ferrofluidics Corporation | Method of preparing low viscosity, electrically conductive ferrofluid composition |
| US4741850A (en) * | 1986-10-31 | 1988-05-03 | Hitachi Metals, Ltd. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
| SE8800394L (sv) * | 1988-02-08 | 1989-08-09 | Skf Nova Ab | Superparamagnetiska vaetskor |
| JP2611400B2 (ja) * | 1988-12-12 | 1997-05-21 | ダイキン工業株式会社 | 含フッ素重合体水性分散体および含フッ素重合体オルガノゾル組成物 |
| US4992190A (en) * | 1989-09-22 | 1991-02-12 | Trw Inc. | Fluid responsive to a magnetic field |
| JPH03247698A (ja) * | 1990-02-27 | 1991-11-05 | Bridgestone Corp | 電気粘性流体 |
| US5147573A (en) * | 1990-11-26 | 1992-09-15 | Omni Quest Corporation | Superparamagnetic liquid colloids |
| US5336847A (en) * | 1991-05-09 | 1994-08-09 | Fuji Electric Co., Ltd. | Stationary induction apparatus containing uninflammable insulating liquid |
| JPH0680980A (ja) * | 1992-07-16 | 1994-03-22 | Nippon Oil Co Ltd | 磁性と電気粘性効果とを同時に有する流体。 |
| US5382373A (en) * | 1992-10-30 | 1995-01-17 | Lord Corporation | Magnetorheological materials based on alloy particles |
| US5462685A (en) * | 1993-12-14 | 1995-10-31 | Ferrofluidics Corporation | Ferrofluid-cooled electromagnetic device and improved cooling method |
-
1997
- 1997-07-14 US US08/892,054 patent/US5863455A/en not_active Expired - Fee Related
-
1998
- 1998-07-14 TR TR2000/00076T patent/TR200000076T2/xx unknown
- 1998-07-14 BR BR9810887-5A patent/BR9810887A/pt not_active IP Right Cessation
- 1998-07-14 KR KR1020007000348A patent/KR20010021785A/ko not_active Withdrawn
- 1998-07-14 ID IDW20000072D patent/ID28973A/id unknown
- 1998-07-14 EP EP98934501A patent/EP1019336A4/en not_active Withdrawn
- 1998-07-14 AU AU84009/98A patent/AU8400998A/en not_active Abandoned
- 1998-07-14 CN CNB988070707A patent/CN1302490C/zh not_active Expired - Fee Related
- 1998-07-14 CA CA002296379A patent/CA2296379A1/en not_active Abandoned
- 1998-07-14 WO PCT/US1998/014514 patent/WO1999002467A1/en not_active Ceased
- 1998-07-14 ZA ZA986235A patent/ZA986235B/xx unknown
- 1998-07-14 JP JP2000501999A patent/JP2001509635A/ja not_active Ceased
- 1998-07-14 RU RU2000103760/09A patent/RU2229181C2/ru not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999002467A1 (en) | 1999-01-21 |
| US5863455A (en) | 1999-01-26 |
| CN1263516A (zh) | 2000-08-16 |
| RU2229181C2 (ru) | 2004-05-20 |
| JP2001509635A (ja) | 2001-07-24 |
| ID28973A (id) | 2001-07-19 |
| CN1302490C (zh) | 2007-02-28 |
| AU8400998A (en) | 1999-02-08 |
| CA2296379A1 (en) | 1999-01-21 |
| EP1019336A4 (en) | 2002-02-06 |
| ZA986235B (en) | 1999-02-02 |
| EP1019336A1 (en) | 2000-07-19 |
| TR200000076T2 (tr) | 2000-05-22 |
| KR20010021785A (ko) | 2001-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/07/1998, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 13A E 14A ANUIDADE(S). |
|
| B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
| B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA. |
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| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 13A E 14A ANUIDADES. |
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| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |