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| Number | Title | Issue Date |
| 6905638 | Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a ... | 06/14/2005 |
| 6836956 | Method of manufacturing a thin film magnetic head A method of manufacturing a thin film magnetic head in which a top pole is divided into a pole tip and a tope pole layer, and the pole tip is formed on the flat surface of a bottom pole with a write gap layer in between. An insulating layer is formed in a region adj... | 01/04/2005 |
| 6014308 | Metallized polymer film capacitor having a high viscosity polyurethane oil insulating fluid A metallized film capacitor is provided with a polyurethane oil insulating fluid. The insulating fluid has a viscosity in the range of about 500 to 3000 poise at 25° C. The polyurethane oil insulating fluid is produced by reacting an organic polyisocyana... | 01/11/2000 |
| 5737179 | Metallized film capacitor Sheet capacitive materials for use in forming a thin-film capacitor comprise an electrically nonconductive substrate, a layer of electrically conductive material disposed a surface of the substrate, and a layer of electrically nonconductive material dispo... | 04/07/1998 |
| 5159527 | Dielectric liquids A dielectric liquid is provided comprising (a) a fluorinated, inert liquid, or a mixture of fluorinated, inert liquids and (b) a fluorine-containing, nonionic sulfonate ester or sulfonamide, such that the dielectric liquid has a dielectric constant interm... | 10/27/1992 |
| 5087679 | Polymeric dielectrics Polymeric dielectrics, which comprise 60 to 79 % by mole of repeating units derived from vinylidene fluoride, 18 to 22 % by mole of repeating units derived from trifluoroethylene and 3 to 22 % by mole of repeating units derived from chlorotrifluoroethylen... | 02/11/1992 |
| 5017733 | Electrical insulating oil composition An electrical insulating oil composition which comprises 45% by weight or more of at least 2 members selected from the group consisting of (a) m-ethylbiphenyl, (b) p-ethylbiphenyl, (c) o-benzyltoluene, (d) m-benzyltoluene, (e) p-benzyltoluene, and (f) 1,1... | 05/21/1991 |
| 4899249 | Fluorine-containing dielectric media and capacitors employing such media A dielectric medium composition comprising a fluorine-containing amide or a fluorine-containing sulfonamide and capacitors or other electric devices incorporating said composition, are disclosed herein.... | 02/06/1990 |
| 4596975 | Thermally insulative mounting with solid state device A mounting for integrated circuit chips or solid state gas sensors, with superior thermal and electrical insulative properties. The mounting incorporates a tiny thin-wall glass capillary tube as the pedestal on which the chip or sensor is mounted. The gla... | 06/24/1986 |
| 4554335 | Dielectric polymer materials The dielectric polymer materials are composed of about 25 to 90 mol % of vinylidene fluoride, about 5 to 70 mol % of ethylene trifluoride, and about 1 to 13 mol % of ethylene chloride trifluoride. The dielectric polymer materials possess a high dielectric... | 11/19/1985 |
| 4538207 | Dielectric fluid for a capacitor The gas absorption ability of a phthalate ester is improved by the addition of an alkylated benzene with 18 carbons outside the benzene ring. This also improves the swellability of polypropylene film capacitors.... | 08/27/1985 |
| 4506107 | Electrical insulating oil and oil-filled electrical appliances A novel electrical insulating oil and oil-filled electrical appliances that are impregnated with the novel insulating oil. The electrical insulating oil is quite suitable for use in oil-filled electrical appliances in which insulating materials or dielect... | 03/19/1985 |
| 4493943 | Electrical insulating oil and oil-filled electrical appliances An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil is quite suitable for use in oil-filled electrical appliances in which insulating materials or dielectric materials made of pla... | 01/15/1985 |
| 4482478 | Blends of branched chain phthalate esters and halogenated benzene compounds There is disclosed a fluid comprising a mixture of about 5 percent to about 40 percent by volume of a halogenated benzene and about 60 percent to about 95 percent by volume of an alkyl branched chain phthalate ester, said fluid having a dielectric constan... | 11/13/1984 |
| 4438027 | Chlorinated alkylaromatic based compounds and new liquid dielectrics New compounds of the formula: ##STR1## where n, x, y and z have value 1 or 2, their process of preparation and their use as dielectrics such as insulating fluids for transformers alone or in mixture with one or more products of general formula: ... | 03/20/1984 |
| 4203145 | Chloro-diphenyl An improvement in an electrical device containing a functional liquid wherein the functional liquid is a compound of the formula ##STR1## and the use of such compounds as dielectrics.... | 05/13/1980 |
| 4187188 | Electrical device containing a halogenated alkanoate dielectric fluid In an electrical device containing a dielectric fluid, the improvement comprising employing as the dielectric fluid a compound of the formula: ##STR1## where X is independently --Cl or --Br; Z is independently ##STR2## R and R' are independently... | 02/05/1980 |
| 4177156 | Dielectric compositions comprising mixtures of polychlorinated benzenes and alkylaromatic hydrocarbons Liquid, non-flammable dielectric compositions especially adapted as insulators/coolants for transformers are comprised of [1] a mixture of polychlorobenzenes, including a major amount of an at least trichlorinated benzene and a minor amount of ortho-dichl... | 12/04/1979 |
| 4115834 | Dielectric composition and device containing same A dielectric composition containing a major amount of a bis (C6-12 alkyl) phthalate such as diisononyl phthalate, a minor amount of butylated monochloro diphenyl oxide, and a small effective amount of an epoxy stabilizer, and an electrical devi... | 09/19/1978 |
| 4097912 | Electrical capacitor having an impregnated dielectric An electrical capacitor having an improved dielectric system. The capacitor includes alternate layers of metal foil and polymeric dielectric film which is impregnated with a liquid dielectric composition composed of a mixture of mono-halogenated diphenyl ... | 06/27/1978 |
| 4097913 | Electrical capacitor having an impregnated dielectric system An electrical apparatus, such as a capacitor, having an improved dielectric system. The capacitor includes alternate layers of metal foil and a dielectric material comprising polymeric film, or a combination of polymeric film and paper, which is impregnat... | 06/27/1978 |
