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| Number | Title | Issue Date |
| 7088567 | Tunable capacitors using fluid dielectrics Capacitors (10,20,40,50,70,80) having a fluid dielectric material that is transported or undergoes a phase change are disclosed. The dielectric medium change results in a change in the total dielectric constant of the material between the electrodes (12, 1... | 08/08/2006 |
| 7048993 | Process for the constrained sintering of asymmetrically configured dielectric layers A method to produce a distortion-free asymmetrical low-temperature co-fired ceramic structure comprising at least one layer of glass-containing internal constraining tape and at least one layer of glass-containing primary tape wherein the internal constraining tape ... | 05/23/2006 |
| 6917512 | Oil-impregnated film capacitor and preparation method thereof Different from conventional so-called mix-type film capacitors involving several disadvantages, in which the dielectric layers consist of a combination of a dielectric plastic resin film and an insulating paper sheet, the invention provides an all-film oil-impregnat... | 07/12/2005 |
| 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 |
| 6292351 | Multilayer ceramic capacitor for three-dimensional mounting A multiterminal multilayer ceramic capacitor having a capacitor body comprised of first internal electrodes and second internal electrodes alternately stacked via rectangular ceramic layers so that the short sides of the ceramic layers register with the h... | 09/18/2001 |
| 6018454 | Metallized film, a production method thereof, and a capacitor using it A metallized film including a polymer film, a metal layer having a surface resistance of about 1 Ω/sq. to about 15 Ω/sq. deposited on a portion of the polymer film, the polymer film having another portion defined as a margin having a surface resistance ... | 01/25/2000 |
| 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 |
| 5708558 | Capacitor having dielectric material containing calcium oxide A metalized film capacitor has a plurality of electrodes separated by dielectric spacers and contains a dielectric fill system including 1 to 50 wt % of calcium oxide scavenger. This dielectric fill system is especially useful in aluminum metalized film c... | 01/13/1998 |
| 5638251 | Capacitive thin films using diamond-like nanocomposite materials A method of making capacitors comprising, providing as the dielectric and/or conductive layers, a material made from a diamond-like nanocomposite solid-state material having interpenetrating atomic scale networks of carbon in a diamond-like carbon network... | 06/10/1997 |
| 5571761 | Ceramic substrate circuit substrate A ceramic substrate comprises having two or more functional portions separated from each other, by providing a first region comprising a first dielectric porcelain having an insulating layer at the crystal grain boundaries of a semiconductor porcelain con... | 11/05/1996 |
| 5014033 | Dielectric liquid compositions containing hydroxybenzaldehyde Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde... | 05/07/1991 |
| 4975329 | Coextruded, biaxially oriented multilayer film A coextruded, biaxailly oriented multilayer film comprises a base layer comprising an extremely pure raw material and outer layer. It is suitable for use as an electrically insulating film, as a dielectric in an electrical capacitor, and has improved diel... | 12/04/1990 |
| 4935165 | Method for preventing the poor conduction at electrical switch contacts which is caused by organopolysiloxane gas The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the organopolysiloxane gas. Nitrogeneous base gases can be aliphatic a... | 06/19/1990 |
| 4770816 | Insulating oil and electrical apparatus filled with the same An insulating oil containing N,N-bis(2-hydroxyethyl)-N-cyclohexylamine at 0.5 mg/l or more. An electrical apparatus is filled with the insulating oil in which a copper component is immersed. During operation of the apparatus for a long period of time, the... | 09/13/1988 |
| 4679119 | Dielectric fluid for electrical capacitors Di octyl phthalate (DOP) is used as a dielectric fluid for a-c electrical capcitors. An additive of an epoxidized linseed oil in an amount from 0.1% to 30% by weight of DOP stabilizes the capacitors and thus prolongs their life.... | 07/07/1987 |
| 4652968 | Non-aqueous liquid electrolyte for electrolytic capacitors and electrolytic capacitors using same Non-aqueous liquid electrolytes for electrolytic capacitors which comprise diazobicyclealkenes and/or salts thereof as a solute. The electrolytes are effective in improving low temperature and high temperature characteristics when applied as electrolytic ... | 03/24/1987 |
| 4642731 | Dielectric fluid for a capacitor A metallized film capacitor having a dielectric fluid comprising glyceryl triacetate and about 30 to 90 vol. percent of epoxidized soybean oil.... | 02/10/1987 |
| 4623953 | Dielectric fluid, capacitor, and transformer Disclosed is a dielectric fluid which comprises about 5 to about 40 molar percent of a first arene compound having up to seven substituent alkenyl carbon atoms and about 60 to about 95 molar percent of a diluent. The diluent can be mineral oil, a second a... | 11/18/1986 |
| 4594642 | Impregnating oil for a capacitor comprising two metallized plastic films and the capacitor impregnated with the oil Disclosed herein are an impregnating oil prepared by admixing an isocyanate compound of tolylene diisocyanate and/or 4,4-diisocyanate-3,3-dimethyldiphenyl with an insulating oil of 1-tolyl-2-phenylethane, 1-ethylphenyl-2-phenylethane, 1-isopropylphen... | 06/10/1986 |
| 4593343 | Electrolytic capacitor and spacer therefor An aluminum electrolytic capacitor has a wound foil section with cellulosic spacer material, interleaved between and contiguously wound with the foils, loaded with 1 to 6 wt % of a synthetic hydrotalcite. The spacer material may be Manila, Kraft or Benare... | 06/03/1986 |
| 4538208 | Alternating current capacitor A method is provided for gelling a dielectric in an alternating current capacitor of the type having a housing enclosing a pair of convolutely wound electrodes and dielectric spacers interleaved therebetween for separating the electrode with at least one ... | 08/27/1985 |
| 4536331 | Non-toxic impregnant for electrical capacitors Soybean oil is used as a non-toxic dielectric fluid for a-c electrical capacitors. An additive of butylated hydroxyanisole is provided to prevent the soybean oil from becoming rancid. Another additive of -dodocene-tetradecene is provided as a gas a... | 08/20/1985 |
| 4535382 | Oil-impregnated capacitor An oil-impregnated capacitor produced by infiltrating a liquid impregnant containing at least one organometallic compound, represented by organic silane compounds, having a hydrolyzable group represented by alkoxy groups and acyloxy group and an organic f... | 08/13/1985 |
| 4521826 | Dielectric fluid for a compacitor In a capacitor, a dielectric fluid including 0 to about 10 wt. % of an antioxidant, 0 to about 10 wt. % of an epoxide stabilizer, the remainder essentially a compound with more than two stearate groups. The presently preferred compound of the dielectric f... | 06/04/1985 |
| 4511949 | Aromatic dielectric fluid for a capacitor A capacitor includes a dielectric separator that includes a polypropylene film, and a dielectric fluid that consists essentially of about 100% by volume of an alkylated biphenyl for enhancing swelling in said film of from about 5% to about 15% by volume d... | 04/16/1985 |
| 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 |
| 4476516 | Dielectric fluid for electrical capacitors Isopropyl biphenyl is used as a dielectric fluid for a-c electrical capacitors. An additive of an epoxide having the chemical name 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexane carboxylate in an amount of at least 30% by volume of the dielectric fluid in... | 10/09/1984 |
| 4467395 | AC Metallized capacitor and impregnant therefor An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains as its impregnant system an ester dielectric fluid and 2 to 10% of a N,N-substituted carbodiimide to improve capacitance retention characteristics.... | 08/21/1984 |
| 4449163 | AC Capacitor and impregnant therefor An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains a dielectric fluid and 2 to 10% of -naphthyl isocyanate as impregnant system to scavenge moisture and to improve capacitance retention.... | 05/15/1984 |
| 4420791 | Dielectric fluid A dielectric fluid provides a mixture of a diarylethane compound and 10% to 80% by volume of an epoxide additive.... | 12/13/1983 |
| 4410869 | Dielectric impregnating fluid and its use Compositions containing ditolyl ethers have outstanding dielectric properties. They are particularly suitable for use as impregnating agents in condensers.... | 10/18/1983 |
| 4388669 | Polyglycol dielectric capacitor fluid Polypropylene glycol dielectric fluids are used to impregnate electrical capacitors and particularly metallized capacitors for improved performance.... | 06/14/1983 |
| 4381535 | Dielectric fluid A dielectric fluid for a capacitor includes a mixture of phthalate ester, polychlorinated benzene and a linear alkylbenzene.... | 04/26/1983 |
| 4355346 | Electrical apparatus having an improved dielectric system An electrical apparatus, such as a capacitor, having an improved dielectric system. The capacitor includes alternate layers of metal foil and dielectric material which is impregnated with 1,1-bis(3,4-dimethylphenyl)ethane. The capacitor has improved coron... | 10/19/1982 |
| 4347169 | Electrical insulating oil and oil-filled electrical appliances An electrical insulating oil and oil-filled electrical appliances, in which the insulating oil comprises a mixture of diarylalkanes and alkyl-3-arylindane derivatives and/or 1,3-diarylbutene derivatives, and has various advantageous properties such as a h... | 08/31/1982 |
| 4317159 | AC Capacitor and impregnant therefor An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains as its impregnant system a dielectric fluid and 1-20% of an aliphatic or aromatic isocyanate having unreacted NCO groups to improve life characteris... | 02/23/1982 |
| 4306273 | Capacitors Coiled or stacked capacitors preferably of the self-healing type which exhibit very low variation of capacitance over the service life. A capacitor winding is impregnated with an insulating impregnating material. The capacitor housing is then filled with ... | 12/15/1981 |
| 4288837 | Electrical capacitor An electrical capacitor comprising a capacitor element impregnated with a mixture of di-iso-propyl naphthalene and mono-iso-propyl naphthalene, the amount of which latter being 10% to 60% by weight, and preferably 20% to 40% by weight.... | 09/08/1981 |
| 4266264 | Meta isopropyl biphenyl insulated electrical apparatus A capacitor is disclosed of layers of metal foil alternating with insulating sheets impregnated with a dielectric fluid. The dielectric fluid comprises isopropyl biphenyl of which at least about 55% by weight is the meta isomer. The dielectric fluid forms... | 05/05/1981 |
