Abstract: The disclosure relates to a curable mixture for use in impregnation of paper bushings comprising a resin mixture of a bisphenol-A-diglycidylether (BADGE) and a bisphenol-F-diglycidylether (BFDGE), methyltetrahydrophthalic anhydride (MTHPA) as hardener, and an accelerator selected from the group consisting of tertiary alkylamine aminoethylalcohols and corresponding ethers thereof as well as paper bushings impregnated with such mixture and uses of such mixture.

Abstract: A fan heater (1) has a motor (M) with motor windings (W) and a rotor that is connected to a fan (V) for delivering ambient air at least partially along the motor windings (W). At least one motor winding is configured as a heater winding (HW) for generating a specific heat output or amount of heat as intended.

Abstract: An electromagnetic device and method for cooling the electromagnetic device comprising a permeable magnetic core having a plurality of legs, a former located adjacent the permeable magnetic core wherein the former is thermally conductive, and at least one winding configured to conduct an electrical current there through wound on the former, the at least one winding including a coil having a plurality of turns.

Abstract: A multiple output isolated power supply for the usage as a floating V/I source in an automated test equipment. The multiple output isolated power supply includes a multi-layer printed circuit board. Furthermore the multiple output isolated power supply includes a planar transformer, which includes a plurality of secondary windings associated with different output channels, arranged on or in the multi-layer PCB. At least two output channels out of the output channels of the multiple output isolated power supply includes a rectifier and a voltage regulator or a current regulator.

Abstract: A transformer includes a primary winding and a secondary winding, which are flat, and a magnetic core that has a middle leg that passes through the primary and secondary windings, a first core that is connected to one end along the length direction of the middle leg, and a second core that is connected to the other end along the length direction. A first wall surface on the side of the first core where the middle leg is positioned and a second wall surface on the side of the second core which faces the first wall surface are formed so as to be parallel, the primary winding is fixed to the first wall surface, the secondary winding is fixed to the second wall surface, and the distance between the primary winding and the secondary winding is kept constant.

Abstract: The present disclosure provides a heat dissipation structure for a magnetic component and a magnetic component having the same. The magnetic component includes a plurality of heat dissipation pins, which are disposed on the winding of the magnetic component, wherein the magnetic component has one or more windings. The heat dissipation structure includes a circuit board on which a plurality of heat dissipation channels are disposed, and the heat dissipation pins of the windings are in contact with the heat dissipation channels; a plurality of heat conduction portions are disposed correspondingly under the heat dissipation channels of the circuit board; a heat conduction layer is arranged under the heat conduction portions and contacts with the heat conduction portions; and a heat dissipation layer is arranged under the heat conduction layer and contacts with the heat conduction layer.

Abstract: A magnetic liquid damping shock absorber includes a housing, a thermal insulating material layer, a mass block and a magnetic liquid. The housing defines a sealed cavity, the sealed cavity has a first wall face and a second wall face opposite in a first direction and a circumferential wall face located between the first wall face and the second wall face in the first direction. The thermal insulating material layer is provided on an outer surface of the housing, on a wall face of the sealed cavity or in a housing wall of the housing. The mass block is located in the sealed cavity, and the mass block and the housing define a magnetic liquid cavity therebetween. The magnetic liquid is filled in the magnetic liquid cavity.

Abstract: A reactor including: a coil having a winding portion; a magnetic core having a plurality of core pieces; and an inner interposed member interposed between the winding portion and an inner core portion of the magnetic core. An inner resin portion fills an internal space of the winding portion, the inner interposed member includes core holding portions holding the core pieces to be decentered relative to the inner interposed member when seen in the axial direction of the winding portion, a separation distance between the inner circumferential surface of the winding portion and the outer circumferential surface of the inner interposed member on a displacement direction side is longer than a separation distance between the inner circumferential surface of the winding portion and the outer circumferential surface of the inner interposed member on the side that is opposite the displacement direction side.

Abstract: A inductor arrangement has a toroidal core with a central opening, a winding which is arranged around the core and has two winding ends, and an electrically insulating insert which is inserted into the central opening in a clamping manner. Here, the winding ends are inserted into the insert in a clamping manner.

Abstract: A method of forming a cooling structure for a heat-dissipating surface includes arranging a heat spreader layer adjacent the heat-dissipating surface, bonding a coldplate directly to the heat spreader layer opposite the heat-dissipating surface, and forming an intermetallic bond between the heat spreader layer and the coldplate. The coldplate is bonded to the heat spreader layer using ultrasonic additive manufacturing.

Abstract: An antenna device includes a base, a coil conductor, and a heat dissipation conductor. The coil conductor is provided on the base and wound in a spiral shape. The heat dissipation conductor is connected to the coil conductor. The heat dissipation conductor includes a connection end and an open end. The connection end is connected to the coil conductor. The open end is an end different from the connection end.

Abstract: Various magnetic thin film inductor structures are disclosed that include one or more magnetic thin film (MTF) materials. During operation, an electric field passes through one or mare conductive windings which, in turn, generates a magnetic field for storing energy within these magnetic thin film inductor structures. The magnetic thin film (MTF) materials within these magnetic thin film inductor structures effectively attract magnetic flux lines of this magnetic field. As a result, any magnetic leakage resulting from the magnetic field generated by these magnetic thin film inductor structures onto nearby electrical, mechanical, and/or electro-mechanical devices is lessened when compared to magnetic leakage resulting from the magnetic field generated by other inductor structures not having the one or more MTF materials.

Abstract: A wireless power transmission device for a vehicle is provided. A wireless power transmission device for a vehicle comprises: a magnetic field shielding sheet; at least one wireless power transmission antenna directly attached to one surface of the magnetic field shielding sheet; and at least one wireless communication antenna arranged at the same plane as the wireless power transmission antenna.

Abstract: A reactor includes a coil having a pair of wound portions that are arranged side-by-side; a magnetic core having inner core portions that are disposed inside the wound portions and outer core portions that are exposed from the wound portions; and gap portions each constituted by a portion of respective insulating members that are disposed between the coil and the magnetic core, the gap portions dividing the outer core portions in a direction in which the wound portions are arranged side-by-side.

Abstract: A wireless power transmission device for a vehicle is provided. A wireless power transmission device for a vehicle comprises: a magnetic field shielding sheet having a plate shape and a predetermined area, at least one wireless power transmission antenna disposed on a first surface of the magnetic field shielding sheet, and a wireless communication antenna formed in an antenna pattern on at least one surface of a circuit board, wherein the circuit board is disposed on a second surface of the magnetic field shielding sheet which is a surface opposite to the first surface.

Abstract: A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-conductive coating, a grounding member comprising a ring of bosses interconnected by a grounding conductor connected to the conductive shield, a second molding applied over at least a portion of the conductive shield and the grounding conductor, the second molding forming a molded sealing surface, a conductive cover coupled to the ring of bosses; and a sealing member sealing a space between the molded sealing surface and the conductive cover. Dry-type transformers and methods of forming a tap changer assembly of a dry-type transformer are provided, as are numerous other aspects.

Abstract: A magnetic lens is disclosed, which includes: a magnetic yoke, an exciting coil and a power supply controlling system. The magnetic yoke is at outside of the exciting coil and surrounds the coil; the exciting coil is made up of litz wires; the power supply controlling system is arranged to supply power to the exciting coil and control the flow directions and magnitudes of the currents in the exciting coil. A method for controlling the magnetic lens is also disclosed.

Abstract: A multilayered electromagnetic assembly. The assembly has a plurality of substantially planar substrate layers, each substrate layer having a cutaway portion. An insulated electrically conductive material is provided, arranged in a spiral configuration on at least two of the substrate layers. The spiral configuration is formed from adjacent the cutaway portion to the edges of the substrate layer. The electrically conductive material is formed substantially on and/or partially recessed or beneath the surface of the substrate layer. The spiral configurations have first and second electrical contacts that are operable to pass electric current to electrical contacts of spiral configurations on other substrate layers. A ferromagnetic core is located through the cutaway portions of the substrate layers. The substrate layers are stacked and an electrical current is passed sequentially through the two or more spiral configurations, thereby generating a magnetic field in the core.

Abstract: A coil device of solenoid type includes a coil portion having a bobbin and a conductive wire wound around the bobbin, a housing for accommodating the coil portion, and at least one fastener for fastening the bobbin and the housing. The conductive wire includes a plurality of extending portions extending along a wound wire direction on the bobbin and having gaps in a winding axis direction. The fastener is provided between the plurality of extending portions and is obliquely disposed with respect to a plane orthogonal to the winding axis direction.

Abstract: A coil device of solenoid type includes a coil portion having a bobbin and a conductive wire wound around the bobbin, a housing for accommodating the coil portion, and at least one fastener for fastening the bobbin and the housing. The conductive wire includes a plurality of extending portions extending along a wound wire direction on the bobbin and having gaps in a winding axis direction, and the coil portion includes an enlarged portion in which a gap between extending portions adjacent to each other in the winding axis direction is wider than a gap between other extending portions. The fastener is provided in the enlarged portion.

Abstract: A reactor includes a core body. The core body includes an outer peripheral iron core composed of a plurality of outer peripheral iron core portions, at least three iron cores coupled to the plurality of outer peripheral iron core portions, and coils wound around the at least three iron cores. The reactor includes an end plate fastened to at least one end of the core body. The end plate includes a plurality of fasteners for fastening the plurality of outer peripheral iron core portions to each other.

Abstract: An electrical assembly may include an enclosure having a base portion to attach the enclosure to a panel and a heat dissipating portion opposite the base portion, a circuit board having a first thermal interface on a first side of the board, a second thermal interface on a second side of the board, and a thermally conductive portion to provide enhanced thermal conduction between the first thermal interface and the second thermal interface, a power electronic device having a thermal interface coupled to the first thermal interface of the circuit board, a heat spreader arranged to transfer heat to the heat dissipating portion of the enclosure, and a thermally conductive pad coupled between the second thermal interface of the circuit board and the heat spreader.

Abstract: A coil device includes two core members, one of which is E-shaped. The E-shaped core member has left and right side faces, and a center leg that extends in a vertical direction. A conducting wire is wound around a core, the core being composed of the two core members arranged to face each other in the vertical direction with a gap between the two core members. The conducting wire is wound around the center leg. First and second heat-sinking plates made of metal are bent so as to be in contact with upper and side faces of the core. The first and second plates are arranged so that first edges of the plates are placed left-right symmetrically with respect to the core with a gap between the edges. Second edges of the plates are in contact with a metal heat-sinking board where the core is placed.

Abstract: Inductor cooling systems and methods are disclosed. A vehicle may include a transmission case including a coolant inlet and an inductor assembly having a flange extending around a periphery thereof. A thermally conductive cover having a sealing surface may form a seal with the flange. A cavity may be defined between the cover and the inductor assembly and configured to receive coolant from the coolant inlet. A thermal interface material (TIM) may be in contact with a surface of the cover and a surface of the transmission case. The TIM may be a solid or a paste-like substance. If the TIM is solid, it may be in a state of compression between a bottom surface of the cover and the surface of the transmission case. The TIM may transfer heat from coolant in the cavity to the transmission case while the coolant is not being circulated.

Abstract: A system and method for contextually interpreting image sequences are provided. The method comprises receiving video from one or more video sources, and generating one or more questions associated with one or more portions of the video based on at least one user-defined objective. The method further comprises sending the one or more portions of the video and the one or more questions to one or more assistants, receiving one or more answers to the one or more questions from the one or more assistants, and determining a contextual interpretation of the video based on the one or more answers and the video.

Abstract: A device having a winding configuration, especially a layer-type device having a winding configuration, the winding configuration being accommodated in a winding carrier, the winding carrier being situated between a cover part, particularly by which the winding carrier is covered, and a ferrite layer that has openings, especially gaps, the ferrite layer being mounted on a support that is situated on a base part, support domes being provided, especially being integrally molded and/or shaped, on the base part, which protrude through the openings in the ferrite layer and contact and/or support the winding carrier and/or the cover part.

Abstract: First and second divisional cores each including right and left leg portions and a yoke interconnecting those together are formed by molding respective yoke-side core members in a resin. Cylindrical core mounting portions extending from the outer circumference of the surface of the yoke-side core member are formed integrally with the respective right and left leg portions of the first divisional core. I-shaped leg-portion-side core members and spacers are attached in the cylindrical core mounting portion formed in each of the right and left leg portions. The surface of the yoke-side core member molded in the resin and the surface of the leg-portion-side core member are disposed so as to have a spacer therebetween. The two divisional cores are joined together by butting respective leg portions of the two divisional cores with each other to form an annular mold core, and a coil is wound around the mold core.

Abstract: An electrical assembly may include an enclosure having a base portion to attach the enclosure to a panel and a heat dissipating portion opposite the base portion, a circuit board having a first thermal interface on a first side of the board, a second thermal interface on a second side of the board, and a thermally conductive portion to provide enhanced thermal conduction between the first thermal interface and the second thermal interface, a power electronic device having a thermal interface coupled to the first thermal interface of the circuit board, a heat spreader arranged to transfer heat to the heat dissipating portion of the enclosure, and a thermally conductive pad coupled between the second thermal interface of the circuit board and the heat spreader.

Abstract: A wireless charging apparatus provided in an electronic device is provided. The wireless charging apparatus includes a charging resonance unit for wireless charging; a driving circuit unit to which the charging resonance unit is connected and to which an internal circuitry is mounted; a shield member mounted to a rear surface of the charging resonance unit; and a heat dispersion member mounted to the driving circuit unit and the shield member to disperse heat generated by the driving circuit unit.

Abstract: The present invention provides a reactor with which a sensor for measuring the physical quantity (temperature or the like) of the reactor and an external apparatus can be connected to each other in a stable manner. The reactor 1A of the present invention includes a coil 2, a magnetic core 3 at which the coil 2 is disposed, and a case 4 storing a combined product 10 made up of the coil 2 and the magnetic core 3. The case 4 includes a bottom plate portion and a side wall portion 41 surrounding the combined product 10. The side wall portion 41 is made of an insulating resin. A connector hooking portion 44 on which a connector portion 72, which is coupled via a line 71 to a sensor such as a temperature sensor for measuring the physical quantity of the reactor 1A is hooked is integrally molded with the side wall portion 41 by the resin structuring the side wall portion 41.

Abstract: An auxiliary winding circuit board includes one or more auxiliary conductive windings. The auxiliary winding circuit board is positioned at an axial end of a bobbin, and a core leg extends through an opening in the auxiliary winding circuit board. A main conductive winding is positioned on the bobbin. The auxiliary winding disposed on the auxiliary printed circuit board has enhanced voltage-isolation from the main winding positioned on the bobbin, allowing both a high-voltage main winding and a low-voltage auxiliary winding to be located on one magnetic component. The magnetic component is configured for mounting on a printed circuit board for an electronic device such as a power supply. A modular magnetic component apparatus includes a bobbin with main winding assembly and multiple auxiliary winding circuit boards that may be interchangeably mounted between the bobbin and core for desired applications.

Abstract: The object of the invention is a liquid cooling arrangement of an inductive component and a method for manufacturing the inductive component. The inductive component comprises at least a core (1) assembled from separate structural elements (7, 7a, 7b) as well as liquid cooling ducts (8a) integrated into the core (1) for the purpose of liquid cooling and a winding structure (3) around the core (1). The core (1) is assembled from subassemblies formed from structural elements (7, 7a, 7b), which subassemblies are separately composed of e.g. vertical pillars (35), a top horizontal beam (36) and a bottom horizontal beam (37), and cooling liquid ducts (8a) or cooling liquid pipes (10) are placed in at least a part of the subassemblies before final assembly of the core (1).

Abstract: A heat dissipation structure of transformer includes a bobbin formed with a hollow shape and wound with a primary coil and a secondary coil. A core surrounds an inside and an outside of the bobbin by combining a pair of upper cores with a pair of lower cores. A heat dissipating plate is disposed between the pair of upper cores and the pair of lower cores. According to an exemplary embodiment of the present disclosure, heat generated inside of the core can be effectively exhausted outside by a heat dissipating plate disposed in the center of the core.

Abstract: A backlight module is provided, which includes a first coil, a first driving circuit, a second coil, a rectifying circuit and a light emitting unit. The first driving circuit is electrically connected to the first coil for controlling the first coil to produce a first magnetic field. The second coil is disposed on a transmission direction of the first magnetic field corresponding to the first coil for receiving the first magnetic field and providing a first induction voltage according to the first magnetic field. The rectifying circuit is electrically connected to the second coil for converting the first induction voltage into a first driving voltage. The light emitting unit is electrically connected to the rectifying circuit to provide a backlight according to the first driving voltage.

Abstract: A magnetic device and power converter employing the same. In one embodiment, the magnetic device includes a first L-core segment including a first leg and a second leg extending therefrom, and an opposing second L-core segment including a first leg and a second leg extending therefrom. The magnetic device also includes a winding formed around at least one of the first leg and the second leg of the first L-core segment or the second L-core segment.

Abstract: An electromagnetic device arrangement includes a transformer assembly having a core, windings, and a housing disposed around at least a portion of the core and windings. An enclosure at least partially encloses the transformer assembly. The transformer assembly is mounted to a first portion of the enclosure such that heat is transferred from the transformer assembly to the first portion of the enclosure. A second portion of the enclosure has an extension extending therefrom such that the extension is placed in thermal contact with the transformer assembly to transfer heat from the transformer assembly to the extension.

Abstract: The disclosure relates to an amorphous transformer core including at least one transformer core disc with a plurality of layers of strip-like amorphous core material arranged concentrically around at least one winding window. At least one heat dissipating plate extends into an interior of the amorphous transformer core and is fed from there into at least one heat exchange region outside the amorphous transformer core. This can enhance dissipation of heat energy which is produced inside the amorphous transformer core.

Abstract: According to one embodiment, a contactless power transfer transformer includes a both-sides wound coil. The both-sides wound coil includes an inter-magnetic-pole core portion between two magnetic pole portions. The winding wire is wound around a wound region of the inter-magnetic-pole core portion. The inter-magnetic-pole includes: a plurality of separate magnetic members that connect to each of the two magnetic pole portions, and are arranged with a spacing therebetween and in parallel with each other; and a heat conductor that is alternately arranged with respect to the separate magnetic members on a plane formed by the separate magnetic members so as to be in contact with the separate magnetic members. Heat generated by the separate magnetic members is guided to the outside of the wound region of the inter-magnetic-pole core portion through the heat conductor, and is dissipated.

Abstract: An example inductor housing includes, among other things, a base, a plurality of walls extending from the base to provide a cavity that receives an inductor, and a plurality of extensions of the base to communicate thermal energy from the base and the plurality of walls.

Abstract: A coil component has a wound coil, a coil magnetic body, and an exterior body. The coil magnetic body has a magnetic core inside winding of the wound coil. The exterior body covers a surface of the coil magnetic body. This coil component has a mount surface, and a thermal conductivity in a direction parallel to a surface of the exterior body is greater than a thermal conductivity in a direction perpendicular to the surface of the exterior body.

Abstract: A reactor unit comprises a reactor and a base to which the reactor is attached. The base has base-side bonding surfaces to be bonded to a bonding surface of the reactor. A base connector, which does not include the base-side bonding surfaces, is configured to have a thickness smaller than those of first and second bases, which include the base-side bonding surfaces.

Abstract: A coiled electronic power component configured to be mounted on a base, the component including an axially extending magnetic core around which a plurality of turns are wound to form a magnetic coil, and at least one bracket for mounting on the base. The mounting bracket includes a first drain surface in thermal contact with the magnetic core and a second drain surface in thermal contact with the plurality of turns to drain calories from the magnetic core and from the plurality of turns to the base during operation of the component.

Abstract: A coiled electronic power component configured to be mounted on a base, the component including an axially extending magnetic core around which a plurality of turns are wound to form a magnetic coil, and at least one bracket for mounting on the base. The mounting bracket includes at least one drain surface in thermal contact with the magnetic core and/or the plurality of turns to drain calories from the magnetic core and/or from the plurality of turns to the base during operation of the component. The mounting bracket has an equivalent thermal conductivity of greater than 400 W·m?1·K?1.

Abstract: A transformer winding, having at least two multi-layered winding modules, which are connected electrically in series, extend about a common winding axis, and are nested one inside the other hollow-cylindrically, at least one cooling channel, which is arranged along the common winding axis hollow-cylindrically between the winding modules, and a flat electrical shield is provided within the at least one cooling channel at least sectionally along the radial circumference thereof, wherein the electrical shield extends over approximately the entire axial length and through which electrical shield the electrical capacitance distribution in the transformer winding connected electrically in series is influenced.

Abstract: The invention comprises an electrical apparatus and method of manufacture. The apparatus includes a substantially annular inductor comprising an inductor core composed of at least a distributed gap material. The distributed gap material includes particles of alternating layers of magnetic and non-magnetic materials separated by a gap material. The particles comprise an average layer thickness of less than about one hundred micrometers, where a majority of said layered particles comprise an average cross sectional size of less than about one millimeter. The inductor is cooled using at least one of: a thermally conductive potting material, a liquid coolant in direct contact with the inductor, a cooling line through the potting material or liquid coolant, and a chill coil in a container about the potting material and/or the liquid coolant.

Abstract: A cooling structure for a magnet-equipped reactor includes: a magnet-equipped reactor (60) having a core (61) around which a coil (70) is wound, and a magnet (75) arranged to contact the core (61); and a cooling member (51) arranged to contact the magnet (75) of the magnet-equipped reactor (60) to cool the magnet (75).

Abstract: An electrical inductor assembly includes an inductor core having a relatively circular geometry. Also included is a wire guide surrounding and retaining the inductor core, the wire guide having a plurality of slots for retaining and guiding a plurality of wires. Further included is an outer housing surrounding and retaining the wire guide and a substance disposed within at least one of the plurality of slots of the wire guide.

Abstract: A transformer includes a core, a coil wound around the core, and a heat sink coupled to the coil. An electronic apparatus includes: a transformer that includes a core, a coil wound around the core, and a heat sink coupled to the coil; a temperature sensor that measures a temperature of the heat sink; and a controller that controls power to be supplied to the coil based on the temperature measured by the temperature sensor.

Abstract: A transformer for switched-mode power supplies includes a magnetizable core having a winding axis, at least one primary winding, which is formed by a primary winding conductor which at least partly surrounds the winding axis of the core, and at least one secondary winding, which is formed by a secondary winding conductor. The secondary winding conductor surrounds the primary winding conductor. The secondary winding is formed in one layer, and a cross section of the secondary winding conductor is rectangular, in particular square.

Abstract: An actuator includes a coil; a cooling body configured to cool the coil; a quantity of heat transfer material fixedly arranged between the cooling body and the coil, and a mechanical attacher configured to attach the coil to the cooling body.