Class / Patent application number | Description | Number of patent applications / Date published |
336096000 | Potted type | 24 |
20080266040 | Ignition coil - A high-strength ignition coil that can prevent distortion arising from pin marks formed on a surface of a core and makes it less likely for insulating resin to be cracked. The coil assembly is housed in a coil case. A casting material is filled into a gap between the coil case and the coil assembly and gaps which the coil assembly has. The coil assembly is comprised of a coil pair including a cylindrical primary coil and a secondary coil disposed concentrically with the primary coil, and a core. The core is fitted into a central space of the coil pair and forms a magnetic path. The core is coated with mold resin. Concave portions of pin marks formed on a mold resin coating by removal of core fixing pins when the mold resin coating is formed are filled with mold resin. | 10-30-2008 |
20090033451 | IGNITION COIL - An ignition coil includes a coil body, a plug connection portion protruding from the coil body, and a connector for electrically connecting the ignition coil to an outside. In the coil body, a primary coil is arranged on an inner peripheral side of a secondary coil, and a center core is arranged on an inner peripheral side of the primary coil. The secondary coil includes a secondary electric wire having thereon an insulating film, wound around an outer periphery of a resinous secondary spool. Furthermore, the connector is formed integrally with an end of the secondary spool in an axial direction. | 02-05-2009 |
20090058586 | METHOD AND APPARATUS FOR MOUNTING A CIRCUIT BOARD TO A TRANSFORMER - An electromagnetic assembly which has a base, at least one winding, and a magnetic core connected to the base, where at least one winding is mounted on the magnetic core. A housing part encloses at least part of at least one winding, and a printed circuit board is mounted to the housing part. The electromagnetic assembly can be a transformer or inductor, for example. | 03-05-2009 |
20090128276 | LIGHT WEIGHT REWORKABLE INDUCTOR - An electrical inductor has at least one wire wound core. When the wire wound core is placed within the shell at least one cavity is present. This cavity is filled with a powder to provide the inductor with better thermal and electrical properties. | 05-21-2009 |
20100026436 | IGNITION COIL, IN PARTICULAR FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - An ignition coil, in particular for an internal combustion engine of a motor vehicle, has an inner magnet core which is concentrically enclosed by a primary coil and a secondary coil. The inner magnet coil is made up of sheet-metal strips stacked on top of each other, the sheet-metal strips forming a substantially rectangular or square cross-section surface of the inner magnet core. At least the lower and the upper sheet-metal strips, delimiting the inner magnet core, have, at least in partial areas, a reduced width viewed in the longitudinal direction compared to the other sheet-metal strips of the inner magnet core. This makes a primary bobbin and a secondary bobbin having an enlarged corner radius and a more uniform winding density of the primary coil and the secondary coil possible. | 02-04-2010 |
20100079228 | POWER ELECTRONIC MODULE WITH AN IMPROVED CHOKE AND METHODS OF MAKING SAME - An improved choke assembly for a power electronics device is provided. More specifically, a choke assembly with improved protection from environmental conditions such as dirt and water is provided. An improved choke assembly may include a double layer of protection around an inductor coil of a choke that seals the inductor coil from the outside environment. Another embodiment may include a choke with a projection that seals the cabinet from the cooling channel while allowing the choke leads to pass into the cabinet. | 04-01-2010 |
20100097168 | CLADDING ELEMENT WITH AN INTEGRATED RECEPTION UNIT FOR THE CONTACTLESS TRANSFER OF ELECTRICAL ENERGY AND METHOD FOR THE PRODUCTION THEREOF - A cladding (cover) element ( | 04-22-2010 |
20100201472 | DRY-TYPE TRANSFORMER WITH A POLYMER SHIELD CASE AND A METHOD OF MANUFACTURING THE SAME - The invention is directed to a transformer and a method of manufacturing the same, wherein at least a portion of a core is disposed inside a shield case formed from a polymeric resin composition containing conductive particles. An encasement comprising a dielectric resin encapsulates the shield case. An electrical conductor is electrically connected to the shield case and is accessible from the exterior of the encasement. | 08-12-2010 |
20100328004 | ELECTROMAGNETIC COIL DEVICE - The present invention discloses an electromagnetic coil device including a coil body having a connection terminal portion projecting from a circumferential surface of the coil body, a buckle having a positioning flat plate portion and an inserting flat plate portion fixedly connected to the positioning flat plate portion. The inserting flat plate portion is pottedly connected to the connection terminal portion with potting material. The electromagnetic coil device can, on the one hand, reduce the manufacturing cost and improve the reliability of the connection between the coil body and the buckle, and on the other hand, prevent the coil body from being damaged by welding and thus improve the life thereof. | 12-30-2010 |
20110121930 | COIL-BURIED TYPE INDUCTOR AND A METHOD FOR MANUFACTURING THE SAME - The invention relates to a coil-buried type inductor. The inductor comprises a conductive coil, a first fired ceramics body arranged at least in an area along an inner periphery of the coil, and a second fired ceramics body arranged so as to surround the entire of the coil along with the first fired ceramics body. The first fired ceramics body has porosity equal to or larger than 40 percent and smaller than 70 percent. | 05-26-2011 |
20120056702 | VOLTAGE/CURRENT TRANSFORMER AND ITS MANUFACTURING PROCEDURE - A measurement and protection transformer for high, medium and low voltages, of the type having a magnetic core, together with primary and secondary windings. All these elements are exteriorly molded with resin, forming a single, exterior resin body to obtain a transformer design with all the guarantees of safety and durability, especially under extremely humid environmental conditions. The transformer is for high, medium and low voltages that has a magnetic core, together with primary and secondary windings and transformer primary and secondary connections, with the particularity in which all these elements are molded and completely embedded within a mass of resin that forms the outer body or single-piece casing of the transformer. | 03-08-2012 |
20120081201 | CONFORMAL ANTENNA FOR IMPLANTABLE MEDICAL DEVICE AND IMPLANTABLE MEDICAL DEVICE WITH SUCH ANTENNA - System and method for making an antenna. An implantable medical device has a housing, a bobbin and a coil. The housing has an interior generally tubular cross-section with a longitudinal axis, the housing having a lateral portion of a segment of the tubular cross-section along the longitudinal axis. The bobbin has a first side nearest to the interior of the housing and a second side opposite the first side. The coil, wound around the bobbin on a winding axis orthogonal to the longitudinal axis of the tubular cross-section, has a greater number of complete turns proximate the second side of the bobbin than proximate the first side of the bobbin, with the coil having a cross-sectional shape selected for a space between the bobbin and the interior of the housing in the lateral portion of the segment of the tubular cross-section along the longitudinal axis of the housing. | 04-05-2012 |
20120098631 | INDUCTION DEVICE - An induction device includes a first core, a coil wound around the first core, and a second core cooperating with the first core to form a closed magnetic circuit. The first core and the coil are molded by a mold resin to form a molding, and the second core is assembled to the molding. | 04-26-2012 |
20120200381 | Molded Coil and Manufacturing Method Thereof - A molded coil according to the present invention includes a coil body that is formed by an elongated insulation-coated conductor. The coil body has a spiral portion winded around in a spiral manner, a first end portion forming a beginning end of the spiral portion, and a second end portion forming a terminating end of the spiral portion. The molded coil also includes an insulative locking member that keeps a shape of the spiral portion so as to prevent the spiral portion from expanding in a vertical direction, and an insulative resin body that covers the spiral portion with the locking member being attached thereto. | 08-09-2012 |
20120286915 | Electrical Device And A Method For Manufacturing The Device - An electric device including windings and magnetic cores, the device further including an encapsulating plastic encasement which includes an inner part and an outer part, the inner part being an inner insulating resin composition of thermosetting material encapsulating components of the device, and the outer part being a shell of a thermoplastic material which at least partly encloses the resin composition in contact therewith. Some components of the device are located in inner boxes encapsulated by the inner insulating resin composition. The invention also relates to a method for manufacturing such a device. According to the method the shell is used as the mould form when moulding the insulating resin composition, and some components of the device are placed in boxes before inserting them into the shell. | 11-15-2012 |
20130002384 | REACTOR AND REACTOR MANUFACTURING METHOD - The disclosed reactor has a case and a cylindrical molded coil assembly which is disposed inside of the case and which is formed by covering a coil with a resin, wherein the coil assembly is sealed by an iron powder mixed resin to which iron powder has been admixed. The reactor has a pillar provided as a single body with the case, and one or multiple ring-shaped core members. The ring-shaped core members are disposed outside the outer surface of the pillar such that the pillar is inserted inside the inner surface of said ring-shaped core members, and the assembly coil is disposed outside the outer surface of the ring-shaped core members such that the ring-shaped core members are inserted inside the inner surface of said coil assembly. The ring-shaped core members are sealed by means of the aforementioned iron powder-mixed resin. | 01-03-2013 |
20130106549 | HIGH-VOLTAGE COIL | 05-02-2013 |
20130147589 | Fast Transient Mitigator Circuit Integrated Within A Vacuum Cast Transformer - A transformer ( | 06-13-2013 |
20130222102 | METHOD OF PRODUCTION OF IGNITION COIL AND IGNITION COIL PRODUCED BY THAT METHOD OF PRODUCTION - A method of production of an ignition coil which provided with a core so as to form a mold release film which enables reduction of the adhesion with an epoxy resin comprising using a metal to form a rod-shaped center core, dipping the formed center core in a liquid UV curing resin, raising the center core from the liquid and shaking off the excess UV curing resin, irradiating the center core with UV rays to cause the UV curing resin which is deposited on the center core to cure and form an insulating film, attaching a first spool to the outside of the insulating film and winding a secondary coil over it, attaching a second spool to the outside of the secondary coil and winding a primary coil over it, inserting these into a case, then injecting an insulating material into the case to thereby produce an ignition coil. | 08-29-2013 |
20130335181 | COIL ASSEMBLY FOR A CONTROL ROD DRIVER HAVING IMPROVED THERMAL RESISTANCE, AND METHOD FOR MANUFACTURING THE SAME - Provided is a coil assembly having improved heat resistance for use in a control rod driver, in which the heat resistance of coils is improved to increase the lifespan thereof and the deterioration of the coils and the fall of a control rod are thus securely prevented from occurring due to continuous operations of the control rod driver during an automatic load follow operation, thereby improving the safety and economic feasibility of a nuclear power plant, and a method for manufacturing the same. The coil assembly includes a covered wire ( | 12-19-2013 |
20160005523 | POTTED HEAT TRANSFER MEDIA TRANSFORMER SYSTEM - A transformer system comprises various transformer components (e.g., coils, cores, rectifiers, connectors, etc.) enclosed in a housing. The transformer system can be cooled by various heat transfer methods routed through the enclosure. Some or all of the transformer components are potted in epoxy. The transformer system is suitable for any kind of environment—explosive, corrosive, even deliberate and or accidental emersion of the system into fresh or salt water, acids and explosive media. In some examples, a transformer system includes of an efficiently cooled transformer having (in one example) a switching power supply, SCR drive system and/or combined with a rectification component (e.g., MOSFET devices), a solid-state analog or digital control system, and/or integrated and passive components and circuits. | 01-07-2016 |
20160055953 | REACTOR | 02-25-2016 |
20160118175 | CONVERTER UNIT, PARTICULARLY A COMBINATION CONVERTER - A converter unit includes: a housing with a moulded-on hollow cylinder that extends into the housing; a non-magnetic toroidal core supporting a first secondary winding, contacting the housing bottom concentrically with the hollow cylinder and is embedded in a solid compound; a magnetic toroidal core supporting a second secondary winding, arranged concentrically with the hollow cylinder above the non-magnetic toroidal coil; and a casting compound with which the housing opening is closed. To achieve a compact converter unit, a first planar spacing element is arranged between the first and the second secondary windings, directly contacting the first secondary winding and the second secondary winding. In addition, electrically insulating particles fill out the space between the second secondary winding and the housing wall, and the casting compound extends at least up to the particles, which lie at the top towards the housing opening. | 04-28-2016 |
20160148741 | SURFACE-MOUNT INDUCTOR AND A METHOD FOR MANUFACTURING THE SAME - A surface-mount inductor including a coil formed by winding a rectangular wire, and a mounting body for accommodating the coil, the coil having first rolls of the wire wound in a two-roll arrangement, second rolls being wound at positions shifted away from the first rolls along the winding axis, and lead ends brought out from the outermost turn of the second rolls; the mounting body containing a protruded portion for inserting into the winding axis of the coil, and a pair of bottomed magnetic cores having slits respectively, the protruded portion being inserted into the winding axis of the coil so that the mounting body is embedded in the coil with sealant to incorporate the magnetic cores with the coil and to expose the core mounting face of the magnetic cores therefrom, as well as a method for manufacturing the same. | 05-26-2016 |