Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7663461 | Modular tank coupled to a self-assembly cabinet for ground level transformers The present invention is a modular tank coupled to a self-assembly cabinet for ground level transformers. The modular tank includes two interconnected tanks, a front plate and a base. The first tank is larger than the second one and contains the high tension element... | 02/16/2010 |
| 7316793 | Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser, obtained from the combination of by-products with mineral origin, whose formulation shall vary to meet different characteristics, becoming an electrical insulator, an... | 01/08/2008 |
| 7294788 | Coil for electric rotating machine, and mica tape and mica sheet used for the coil insulation A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica cape which is wound a plurality of layers around an outer sur... | 11/13/2007 |
| 7056869 | Hydrocarbon fluids Hydrocarbon fluids are provided which have ASTM D-86 boiling point ranges within 235° C. to 400° C. and a naphthenic content greater than 60%, the naphthenics containing polycyclic materials, the fluids preferably have an aromatic content below 2% and an aniline p... | 06/06/2006 |
| 7029519 | System and method for gas recycling incorporating gas-insulated electric device A gas recycling system which has a carbon dioxide collecting device for collecting gas containing carbon dioxide from a carbon dioxide source. In the system, at least part of the gas containing sulfur hexafluoride used as an electric insulation medium in a gas-insul... | 04/18/2006 |
| 6985061 | Arrangement and method for installing a subsea transformer An arrangement and a method for use in installation procedures for subsea transformers. A central, hole or tube is included in an encapsulation enclosing a transformer that is to be installed. Three core elements of the transformer are arranged symmetrically around ... | 01/10/2006 |
| 6946190 | Thermal management materials A thermally-conductive compound for forming a layer which is conformable between a first heat transfer surface and an opposing second heat transfer surface to provide a thermal pathway therebetween. The compound is an admixture of a thermal grease component and a di... | 09/20/2005 |
| 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 |
| 6816967 | Electronic equipment and data processing method therefor An electronic device receives data containing content data transmitted through a bus in the form of a packet. The electronic equipment has a receiving portion, a judgment portion and an output controller. The receiving portion receives the data transmitted in the fo... | 11/09/2004 |
| 6792666 | Three-phase transformer A three-phase transformer is presented comprising a magnetic circuit and three coil block. The magnetic circuit comprises two spaced-apart, parallel, plate-like elements; and three spaced-apart, parallel column-like elementary circuits. Each of the column-like eleme... | 09/21/2004 |
| 6661322 | Sound-insulating device for an induction machine A sound-insulating device for a stationary induction machine with an active part, an insulating fluid surrounding the active part, and a tank enclosing the insulating fluid. The sound-absorbing device includes a gas-filled cavity and a resilient member su... | 12/09/2003 |
| 6613250 | 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 inc... | 09/02/2003 |
| 6485659 | Electrical apparatus with dielectric fluid blend of polyalphaolefins and polyol esters or triglycerides The present invention comprises a mixture of hydrocarbons having a well-defined chemical composition that is suitable for use as a dielectric coolant in electrical equipment in general, and specifically in transformers. The dielectric coolants of the pres... | 11/26/2002 |
| 6456179 | Transformer A container (2) with an oil immersed core (1) and windings has corrugated walls. Bushing insulators (9,10) have pressure-resistant and water-resistant cable shoes (11). A tank encompasses another container (4) filled with insulating oil (3) and has pressu... | 09/24/2002 |
| 6398986 | Food grade 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 inc... | 06/04/2002 |
| 6352655 | Vegetable oil based dielectric fluid A dielectric fluid system for use in electrical equipment comprising a dielectric fluid comprising vegetable oil and an oxidation reducing composition encased in a housing composed of a polymeric material that is substantially permeable to oxygen. The oxi... | 03/05/2002 |
| 6312623 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; ... | 11/06/2001 |
| 6184459 | Vegetable oil based dielectric coolant A transformer is disclosed, including a tank housing a transformer core/coil assembly, a dielectric insulating fluid surrounding the core/coil assembly, the fluid comprising a vegetable oil, an antioxidant dissolved in the oil, and a low temperature addit... | 02/06/2001 |
| 6178957 | Pencil ignition coil assembly module An ignition coil assembly module (40) that can be connected to and disconnected from an engine spark plug. The module elements are arranged as a succession of cylindrical layers about a central ferromagnetic core (46). From innermost to outermost, the suc... | 01/30/2001 |
| 6037537 | Vegetable oil based dielectric coolant A transformer is disclosed, including a tank housing a transformer core/coil assembly, a dielectric insulating fluid surrounding the core/coil assembly, the fluid comprising a vegetable oil, an antioxidant dissolved in the oil, and a low temperature addit... | 03/14/2000 |
| 5912215 | Food grade dielectric fluid A food grade, biodegradable dielectric composition and method for preparation thereof, comprising an unsaturated hydrocarbon alone, or in a blend with a food grade natural or synthetic hydrocarbon, which has been processed to remove polar contaminants and... | 06/15/1999 |
| 5778863 | Ignition coil for an internal combustion engine To provide an ignition coil for an internal combustion engine which improves high-voltage sealing performance and moreover reduces housing outer diameter, an ignition coil for an internal combustion engine is made up of a transformer portion of cylindrica... | 07/14/1998 |
| 5736915 | Hermetically sealed, non-venting electrical apparatus with dielectric fluid having defined chemical composition An electrical apparatus, such as a transformer, includes an expandable internal chamber that is nonventing and completely and permanently sealed from the ambient environment. The chamber houses a core and coil assembly or other current-carrying conductor ... | 04/07/1998 |
| 5645004 | Marine vessel fuel spill prevention device A device to capture, contain and collect hydrocarbon fuels such as gasoline and diesel before they can be spilled or leaked from the ventilation valve or fuel intake port of the fuel tank of a vessel and on to the surface of the water during fueling opera... | 07/08/1997 |
| 5545355 | Dielectric compositions comprising benzyltoluene/(Methylbenzyl) xylene isomers Novel dielectric liquids for such electrical components as transformers, capacitors and cables, especially adopted for low temperature applications, comprise a mixture of benzyltoluene and (methylbenzyl)xylene isomers, notably a mixture of benzyltoluene/d... | 08/13/1996 |
| 5462685 | Ferrofluid-cooled electromagnetic device and improved cooling method A convection-cooled electromagnetic device, such as a transformer, and methods of cooling that utilize a ferrofluid as a cooling medium. The device's leakage magnetic field, which can be augmented by auxiliary magnets, draws the ferrofluid toward the devi... | 10/31/1995 |
| 5336847 | Stationary induction apparatus containing uninflammable insulating liquid An nonflammable insulating liquid is obtained by adding an emulsifying agent having a volume ratio of 1 to 3% to an insulating liquid containing a fluorocarbon liquid of at least 25% in a volume ratio to cause emulsification. In this liquid mixture, when ... | 08/09/1994 |
| 5324886 | Insulating-liquid immersed electrical machine An insulting-liquid immersed electrical machine comprises an electrical machine, a hermetically sealed tank containing the electrical machine, and insulating liquid arranged between the electrical machine and the tank, wherein the tank includes a deformab... | 06/28/1994 |
| 5130616 | Motor control system and components thereof A motor control system includes a single, multicompartment enclosure mounted on a skid. The enclosure contains a transformer circuit and a motor controller circuit interconnected so that only external connections to a power source and a load are heeded. W... | 07/14/1992 |
| 5047744 | High voltage fluid filled transformer A transformer of the type used to produce high voltage for an electrostatic field apparatus has a hermetically sealed container. The container encloses a coil assembly having primary and secondary coils wound on a common core. Electrical terminals extend ... | 09/10/1991 |
| 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 |
| 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 |
| 4967028 | Electrical insulating oil composition and electrical appliances impregnated therewith The present invention relates to an improved electrical insulating oil composition which has excellent electrical characteristics and is suitable for use in impregnating electrical appliances in which plastic dielectric material is used, and further relat... | 10/30/1990 |
| 4904972 | Gas-insulated stationary induction electrical apparatus A gas-insulated stationary induction electrical apparatus comprising a first closed vessel sealingly accommodating therein a main body having an iron core formed by laminating silicon steel sheets and also having at least one set of windings each consisti... | 02/27/1990 |
| 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 |
| 4868533 | Transformer with a one-piece primary winding and housing Described is a transformer wherein the primary winding is formed from the same unitary piece of electrically conductive metal that comprises the housing of the transformer.... | 09/19/1989 |
| 4860187 | Magnetic flux coupled voltage multiplication apparatus An apparatus for producing a very high DC potential output from an AC input. Multiple secondary circuits, each comprised of an individual coil wound about a separate magnetic core, are positioned within the magnetic field of a single primary coil. The out... | 08/22/1989 |
| 4812262 | Fire-retardant electric device An electric device particularly adapted for a fire retardant oil-filled transformer, comprising a cellulose-based insulating material impregnated with an insulating oil composed of 100 parts by weight of an ester of a polyol with a fatty acid having a fir... | 03/14/1989 |
| 4775849 | Gas insulated current transformer A gas insulated current transformer wherein the metal tank having the inductive unit therein is mounted on the hollow insulating bushing and preloaded with spring pressure so that when the insulating gas within the bushing and the container reaches a pred... | 10/04/1988 |
| 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 |
