CA2296379A1 - Colloidal insulating and cooling fluid - Google Patents
Colloidal insulating and cooling fluid Download PDFInfo
- Publication number
- CA2296379A1 CA2296379A1 CA002296379A CA2296379A CA2296379A1 CA 2296379 A1 CA2296379 A1 CA 2296379A1 CA 002296379 A CA002296379 A CA 002296379A CA 2296379 A CA2296379 A CA 2296379A CA 2296379 A1 CA2296379 A1 CA 2296379A1
- Authority
- CA
- Canada
- Prior art keywords
- particles
- colloidal
- fluid according
- colloidal fluid
- gauss
- 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.)
- Abandoned
Links
- 239000012809 cooling fluid Substances 0.000 title description 12
- 239000012530 fluid Substances 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 230000005415 magnetization Effects 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000013528 metallic particle Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 17
- 230000015556 catabolic process Effects 0.000 claims description 15
- -1 poly(tetrafluoroethylene) Polymers 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000006249 magnetic particle Substances 0.000 claims description 12
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000005672 electromagnetic field Effects 0.000 claims description 2
- 229920002313 fluoropolymer Polymers 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010954 inorganic particle Substances 0.000 claims 3
- 239000011146 organic particle Substances 0.000 claims 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 description 88
- 238000009413 insulation Methods 0.000 description 23
- 239000003921 oil Substances 0.000 description 18
- 238000004804 winding Methods 0.000 description 16
- 238000012546 transfer Methods 0.000 description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 9
- 239000000654 additive Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 239000011554 ferrofluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 239000011147 inorganic material Substances 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- VASIZKWUTCETSD-UHFFFAOYSA-N manganese(II) oxide Inorganic materials [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 1
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(III) oxide Inorganic materials O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/892,054 US5863455A (en) | 1997-07-14 | 1997-07-14 | Colloidal insulating and cooling fluid |
| US08/892,054 | 1997-07-14 | ||
| PCT/US1998/014514 WO1999002467A1 (en) | 1997-07-14 | 1998-07-14 | Colloidal insulating and cooling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2296379A1 true CA2296379A1 (en) | 1999-01-21 |
Family
ID=25399285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002296379A Abandoned CA2296379A1 (en) | 1997-07-14 | 1998-07-14 | Colloidal insulating and cooling fluid |
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 |
| BR9810887A (pt) | 2000-09-26 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5863455A (en) | Colloidal insulating and cooling fluid | |
| US5462685A (en) | Ferrofluid-cooled electromagnetic device and improved cooling method | |
| AP843A (en) | A DC transformer/reactor. | |
| RU2000103760A (ru) | Коллоидные изолирующие и охлаждающие жидкости | |
| US9553499B2 (en) | Distributed gap inductor potting apparatus and method of use thereof | |
| US10211800B2 (en) | Equal coupling common mode inductor apparatus and method of use thereof | |
| US10541081B2 (en) | Method for potting an electrical component | |
| EP1019922B1 (en) | Transformer/reactor | |
| Yongbin et al. | Study on eddy current losses and shielding measures in large power transformers | |
| GB2596903A (en) | A hybrid metal dielectric resonator | |
| Dondapati et al. | Enhancement of performance parameters of transformer using nanofluids | |
| US20210257150A1 (en) | Fabricated inductor winding apparatus and method of use thereof | |
| US12051533B2 (en) | Cast winding inductor apparatus and method of use thereof | |
| US12424378B2 (en) | AC drive coupled to zigzag transformer power processing apparatus and method of use thereof | |
| US20220399155A1 (en) | Wound inductor apparatus and method of use thereof | |
| JP2022115117A (ja) | トランスオイル、当該トランスオイルを備えた変圧器およびトランスオイル生成方法 | |
| US11817254B2 (en) | Magnetic phase isolating harmonic filter for multi-phase power apparatus and method of use thereof | |
| US12009144B2 (en) | Cooled / cast inductor apparatus and method of use thereof | |
| US20210257152A1 (en) | Multi-inductor mounting / cooling apparatus and method of use thereof | |
| US12046410B2 (en) | Inductor winding shape controlled apparatus and method of use thereof | |
| US12087494B2 (en) | Inductor winding guide apparatus and method of use thereof | |
| US20220406518A1 (en) | Method of forming a wound electrical inductor apparatus | |
| US20240128011A1 (en) | Inductor assembly apparatus and method of use thereof | |
| CN2256582Y (zh) | 多磁路变压器 | |
| US20210241966A1 (en) | Magnetic phase isolating harmonic filter for multi-phase power apparatus and method of use thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |