| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 336196000 | WITH SUPPORTING AND/OR SPACING MEANS BETWEEN COIL AND CORE | 71 |
| 20080211617 | Electrical Induction Device for High-Voltage Applications - An electrical induction device for high voltage applications, of the type comprising a magnetic core which has at least one leg ( | 09-04-2008 |
| 20090237195 | Center-tapped transformer - A center-tapped transformer includes a spool that defines a spool axis and that has an axially extending first spool part and a second spool part extending coaxially from the first spool part, a primary winding unit that surrounds the first and second spool parts, first and second secondary winding units that are disposed on one side of the primary winding unit and that surround the first and second spool parts, respectively, and an isolating unit that is disposed between the first and second secondary winding units to separate the first and second secondary winding units from each other. | 09-24-2009 |
| 20090295526 | Coil Component and Its Manufacturing Method - In a coil component of the present invention, a coil member having a plurality of coil lines laminated through an insulating layer is sandwiched by hexagonal ferrite substrates, and the hexagonal ferrite substrate has anisotropy. To have the “anisotropy” means that alignment of the crystal orientation is different according to a direction of the substrate, in other words, that anisotropy is provided in the c-axis orientation of ferrite crystal grains of the hexagonal ferrite substrate. As the result of the “anisotropy”, an initial magnetic permeability is also different according to direction. By using the hexagonal ferrite substrate as a magnetic substrate to sandwich the coil member so as to form a magnetic path, the initial magnetic permeability can be maintained up to a high frequency, and a high-frequency characteristic of impedance generated by the coil lines can be improved. | 12-03-2009 |
| 20100060401 | INDUCTOR AND INDUCTOR COIL - An inductor includes a ferromagnetic core, an inductor coil, and a holder. The inductor coil is coiled to form one or more loops around a center. The inductor coil defines a through hole surrounded by an innermost loop to fit about the ferromagnetic core. The holder is configured for holding the ferromagnetic core with the inductor coil. Two ends of the inductor coil protrude out of the holder. | 03-11-2010 |
| 20100079230 | 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 an insulative housing for an inductor coil that seals the inductor coil from the environment. | 04-01-2010 |
| 20100141368 | FERRITE CORE AND TRANSFORMER USING THE SAME - A ferrite core includes an end face portion, a pair of outer legs protruding from the end face portion, and a center leg protruding from the end face portion between the pair of outer legs. A width W | 06-10-2010 |
| 20100156586 | CURRENT-COMPENSATED CHOKE AND METHOD FOR PRODUCING A CURRENT-COMPENSATED CHOKE - The invention relates to a current-compensated choke with a ring core at least two coils composed in each case of the same number of windings, wherein in the interior of the ring core a non-conductive body is arranged with holes embodied in pairs in a mirror symmetrical manner to a symmetry axis of the ring core, wherein respectively one winding is guided through each hole of at least some of the pairs of symmetrical holes, and windings corresponding to one another of different coils are guided through the two holes comprising a pair, and a method for producing a current-compensated choke of this type. | 06-24-2010 |
| 20110001597 | COMPONENT FIXING DEVICE AND ELECTRICAL DEVICE HAVING THE SAME - A component fixing device includes a holding portion for holding a component with a hollow portion while restricting a movement of the component; and a fixed portion elastically connected to the holding portion and to be fixed to an object. The holding portion is inserted into the hollow portion of the component for holding the component. The holding portion may have a center holding portion abutting against an outer surface of the component and a pair of arm portions disposed at both sides of the center holding portion and capable of bending relative to the center holding portion, so that the center holding portion and the arm portions sandwich the component. | 01-06-2011 |
| 20110032064 | METHOD FOR PRODUCTION OF A WINDING BLOCK FOR A COIL OF A TRANSFORMER AND WINDING BLOCK PRODUCED IN THIS WAY - A method is disclosed for production of a winding block for a coil of a transformer, having at least one winding composed of electrically conductive wire or strip material with a plurality of turns. An insulating layer is composed of electrically insulating fiber material with a specific number of windings of the insulating fiber material. The turns composed of electrical conductive material are fitted independently of the turns of the insulating material and, after a predetermined number of turns of electrically conductive material have been fitted, a smaller number of turns of electrically insulating material are fitted over the same section onto these turns of electrically conductive material, such that electrically insulating material which remains before reaching a number of turns of electrically conductive material is used as edge insulation. | 02-10-2011 |
| 20110037554 | Vertical Double Deck Transformer for Power Supply - The transformer includes a bobbin and a core set. The bobbin is composed of a first winding frame and a second winding frame. A first winding area and a second winding area are defined in the first and second winding frame, respectively. Both sides of the bobbin are provided with two adapter plates. A divider wall is disposed between the two winding areas. A through hole is provided in the bobbin. The core set is composed of two half cores. A central portion of the core set penetrates the through hole. Two lateral portions encompass the bobbin and adapter plates. | 02-17-2011 |
| 20110298573 | Electrical Machine With Improved Lightning Impulse Withstand - An electrical machine with an axis. The machine includes a winding arranged in a plurality of substantially circular turns wound around the axis. Wedge formed areas are formed between two adjacent turns of the winding. A member of insulating material is arranged to cover at least one of the wedge formed areas. | 12-08-2011 |
| 20120025941 | IRON-CORE COIL ASSEMBLY - An iron-core coil assembly is provided, which includes a substrate, a plurality of U-shaped wires, a first pin, a second pin, and an iron-core device. The substrate has a groove divided into a winding area and a non-winding area. The plurality of U-shaped wires is disposed in the winding area at a space from each other, and each U-shaped wire has an opening and a recess. The first pin and the second pin are respectively arranged at two ends of the opening, and the recess is located in the groove. The iron-core device is disposed in the groove, and passes through the recess of each U-shaped wire. | 02-02-2012 |
| 20120146756 | Current Compensated Inductor and Method for Producing a Current Compensated Inductor - The invention relates to a current compensated inductor comprising a single piece annularly closed ferrite core. The ferrite core comprises at least two wire coils each comprising a flat wire wound on edge and disposed, for example, without a coil bobbin and at a distance from each other on the ferrite core. | 06-14-2012 |
| 20120182113 | LAMINAR TRANSFORMER HAVING DOUBLE-FACE SECONDARY WINDING - A laminar transformer having double-face secondary winding includes a primary winding part and a secondary winding part. The primary winding part further includes an isolating body seat and a plurality of coil sets. The secondary winding part further includes two plate-body set, each being positioned in the containing channel has a plurality of plate bodies and a plurality of insulating bodies. Each of the plate bodies has an opening for containing the central column and a guided channel that being positioned on a side of the opening has on both side thereof a pole lead respectively. The insulating bodies being a ring-shaped structure and being positioned in-between the plate bodies has a through hole for containing the central column. The plurality of plate bodies are laminated alternately and positioned in the central column making each of the plate-body sets form the one with four pole leads. | 07-19-2012 |
| 20120280779 | COMMON MODE CHOKE EMI FILTER OF AN LED DRIVER - A common mode choke EMI filter of an LED driver includes a holding structure, a plurality of winding magnetic cores, a first coil and a second coil. The holding structure has a plurality of holding spaces and a plurality of conductive pins. The winding magnetic cores are held in the holding spaces, and have respectively a first axle and a second axle. The first coil is wound on the first axles and straddles across different winding magnetic cores, and the second coil is wound on the second axles and straddles across other different winding magnetic cores. The holding structure includes a plurality of seats coupled in a juxtaposed manner through the first and second coils. By winding the first and second coils with greater length or diameter on the first and second axles of the winding magnetic cores, greater power or current adopted on a filter can be enhanced. | 11-08-2012 |
| 20130328654 | COIL DEVICE - A coil device | 12-12-2013 |
| 20140049349 | USE OF ALUMINA PAPER FOR STRAIN RELIEF AND ELECTRICAL INSULATION IN HIGH-TEMPERATURE COIL WINDINGS | 02-20-2014 |
| 20140062642 | Combined structure of hollow bobbin and conductive sheet, hollow bobbin, and conductive sheet - A combined structure of hollow bobbin and conductive sheet for a transformer includes a hollow bobbin and at least one conductive sheet. The hollow bobbin includes an outer surface and at least one positioning structure formed on the outer surface. The conductive sheet is fit on the outer surface of the hollow bobbin and includes a main body and at least one engaging structure. The main body has a hollow portion, making the main body to have an inner circumference. The engaging structure is formed on the inner circumference of the main body and is engaged with the positioning structure of the hollow bobbin. The transformer includes at least one winding disposed on the outer surface of the hollow bobbin and abutting against the conductive sheet. | 03-06-2014 |
| 20140132384 | WIREWOUND INDUCTOR OF SWITCHING POWER SUPPLY AND SWITCHING POWER SUPPLY WITH THE WIREWOUND INDUCTOR - The present invention provides a wirewound inductor of a switching power supply and a switching power supply with the wirewound inductor. The wirewound inductor comprises a magnetic core and a winding wound on the magnetic core. A buffering cushion is disposed between the magnetic core and the winding. The wirewound inductor provided by the present invention is provided with the buffering cushion between the magnetic core and the winding to absorb the dimension changes of the magnetic core caused by the magnetostriction phenomenon, and thus the relative positions of the components are maintained, the collision between the magnetic core and the winding can be prevented, and then the noise is reduced. | 05-15-2014 |
| 20140184375 | REACTOR - A reactor includes a core body having a U-shape block core and an I-shape block core arranged with a gap, a coil wound on an outer circumference of the core body, and a gap plate inserted into the gap between the U-shape block core and I-shape block core. The gap plate includes a coil retaining member extending towards and retaining the coil. By such a configuration, a reactor having temperature increase at the coil suppressed can be provided. | 07-03-2014 |
| 20140306790 | CHOKE COIL AND ELECTRONIC DEVICE - A choke coil includes a core that is formed to have a ring shape and a winding member that is provided with an electrically conductive wire wound around the core. A housing member, interposed between the core and the winding member, is formed of a material having non-magnetic and non-conductive properties, has a ring shape corresponding to the core, and covers the core. The housing member is formed in such a manner that a separation distance along a radial direction between an outer surface of the housing member and an outer surface of the core becomes uniform over a circumferential direction. | 10-16-2014 |
| 20140347157 | MAGNETIC DEVICE UTILIZING NANOCOMPOSITE FILMS LAYERED WITH ADHESIVES - Exemplary embodiments provide a nanomagnetic structure and method of making the same, comprising a device substrate, a plurality of nanomagnetic composite layers disposed on the device substrate, wherein an adhesive layer is interposed between each of the plurality of nanomagnetic composite layers. Metal windings are integrated within the plurality of nanomagnetic composite layers to form an inductor core, wherein the nanomagnetic structure has a thickness ranging from about 5 to about 100 microns. | 11-27-2014 |
| 20150028985 | CORE FOR A WIRE-WOUND ELECTRONIC COMPONENT, A WIRE-WOUND ELECTRONIC COMPONENT AND A METHOD FOR MANUFACTURING A CORE FOR A WIRE-WOUND ELECTRONIC COMPONENT - A wire-wound electronic component, a core for a wire-wound electronic component and a method for manufacturing a core for a wire-wound electronic component are provided. A winding core portion of a core of a wire-wound electronic component includes flanges at respective ends of the winding core portion, and project in directions perpendicular to an axial direction of the winding core portion. Concaves are positioned at corners formed of adjoining surfaces of the flanges that adjoin to the winding core portion and end surfaces of the flanges that are located at ends in a first perpendicular direction, which is one of the projecting directions of the flange. Connecting surfaces, which connect contact portions where the flanges contact with the winding core portion to the end surfaces, are at least part of inner peripheries of the concaves. All normal vectors of the connecting surfaces have components in the first perpendicular direction. | 01-29-2015 |
| 20150042437 | BOBBINS FOR GAPPED TOROID INDUCTORS - A bobbin for spacing windings around an inductor core includes an interior spacer defining an exterior surface for coupling interior spacer with an annular inductor core and an interior facing surface opposing the exterior surface for receiving inductor windings. The interior spacer has a thickness profile between the exterior and interior facing surfaces for spacing the windings inward from the inductor core to reduce magnetic fringe flux effects on the windings. An inductor body includes an inductor core coupled to bobbin. A wound inductor includes windings wrapped around the inductor body formed by the inductor core and bobbin. | 02-12-2015 |
| 20150102886 | COMMON MODE FILTER - A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil pattern formed on the magnetic substrate; a dielectric layer formed on the magnetic substrate so as to cover an upper part, a lower part and a side surface of the coil pattern; and a first coupling agent interposed between the magnetic substrate and the dielectric layer so as to prevent the magnetic substrate and the dielectric layer from being separated. | 04-16-2015 |
| 20150371730 | Electrical Insulating Paper and Stationary Induction Electrical Apparatus Using the Same - Electrical insulating paper according to an embodiment of the present invention is used while being immersed in electrical insulating oil, and includes a paper base material mainly containing cellulose, an adsorption layer formed on an entire surface of the paper base material by adsorption, and a moisture barrier layer formed by being chemically bonded to the adsorption layer. The moisture barrier layer includes an amphipathic molecule containing both a hydrophobic hydrocarbon group and a hydrophilic functional group in one molecule. The amphipathic molecule is chemically bonded to the adsorption layer via the hydrophilic functional group. The hydrophobic hydrocarbon group covers the surface of the paper base material. | 12-24-2015 |
| 20160035485 | Cable-Magnetic Core Winding Approach - An apparatus is described having a fixture that includes a magnetic core. The fixture is to support winding of a cable around the magnetic core. The fixture has regions where the cable is to be passed through. The regions are arranged to support the winding of the cable around the magnetic core at a substantially fixed distance from the magnetic core's outer surface. | 02-04-2016 |
| 20160118177 | MAGNETIC CORE COMPONENT AND GAP CONTROL METHOD THEREOF - There is provided a magnetic core component and the gap control method thereof. The magnetic core component includes a first magnetic component, a second magnetic component and a first gap control structure disposed therebetween. The first gap control structure includes thixotropic material and is applied on the first magnetic component and is cured, the second magnetic component is disposed on the cured first gap control structure, and a gap between the first magnetic component and the second magnetic component is controlled by an effective height of the first gap control structure. The gap control structure has minimum variability after it is cured, and its effective height can be always kept at a required gap height. | 04-28-2016 |
| 336197000 | Coil clamps or wedges | 2 |
| 20100225433 | WIRE WINDING DEVICE FOR A HIGH POWER LEVEL TRANSFORMER - Wire-holders are provided that confine a single wire over a limited arc section and that are interspersed with ferrite ingots that provide wire-ways for several wires are utilized in the winding of the coils of a transformer. A method for consistently producing windings having accurate wire placement on rotors, stators, and other electrical componentry is also provided. | 09-09-2010 |
| 20130015934 | TRANSLATORY FASTENING ELEMENT FOR DETACHABLY FASTENING A CURRENT CONDUCTOR TO A CURRENT TRANSFORMER HOUSINGAANM Leifer; ChristophAACI Bad DriburgAACO DEAAGP Leifer; Christoph Bad Driburg DEAANM Thorner; CarstenAACI MelleAACO DEAAGP Thorner; Carsten Melle DE - The invention relates to a device for detachably fastening a current conductor ( | 01-17-2013 |
| 336198000 | Preformed insulation between coil and core (e.g., spool) | 41 |
| 20080224810 | Ignition Coil for an Internal Combustion Engine - The invention relates to an ignition coil for an internal combustion engine. Said ignition coil comprises a primary coil base ( | 09-18-2008 |
| 20080231405 | Vertical transformer - A vertical transformer includes a bobbin and a core pair. The bobbin includes a winding region and a through hole. The through hole is disposed inside the winding region. The core pair includes a first core and a second core. The second core is inserted in the through hole against the first core. The vertical transformer reduces volume and meets required safety standards of the insulation distance of electric devices. | 09-25-2008 |
| 20080278274 | Combined transformer - A transformer includes a first bobbin, a second bobbin, and an iron core set, wherein the first bobbin and the second bobbin further include a winding region and a through hole in the center of the bobbin, respectively. The winding region is wound by a winding. The iron core set is coupled to the first and second bobbins. The first and second bobbins are assembled together by a base. | 11-13-2008 |
| 20090039998 | Transformer structure - The present invention is related to an improved transformer structure including a main body and, accommodated in the main body, a first winding frame and two winding frames. Hollow portions of the first winding frame and each of the second winding frames are combined with openings on the main body, for forming a primary side passage in a longitudinal direction and two secondary side passages in a lateral direction, so as to penetrate respectively a first magnetic material into the primary side passage and a second magnetic material into the two secondary side passages. Through the longitudinal primary side passage and the lateral secondary side passages, the primary and the secondary side winding can have a proper interval therebetween for achieving a stable output, so that a high voltage can be directly applied to the transformer for driving the large size LCD back light module for improving the efficiency. | 02-12-2009 |
| 20090066459 | Transformer Structure - A transformer structure is provided. The transformer structure comprises at least one first winding frame, at least one second winding frame, a plurality of primary coil assemblies which are wound around the at least one first winding frame, a plurality of secondary coil assemblies which are wound around the at least one secondary winding frame, and an iron core assembly which is placed in the jacks of the at least one first winding frame and the at least one second winding frame. The at least one first winding frame has a plurality of primary coil areas, around which the primary coil assemblies are wound. The at least one second winding frame has a plurality of secondary coil areas, around which the secondary coil assemblies are wound. | 03-12-2009 |
| 20090108977 | TRANSFORMER - A transformer includes a bobbin unit, a primary winding, a secondary winding, and a core unit. The bobbin unit has a first winding portion and a second winding portion. The primary winding is wound around the first winding portion of the bobbin unit. The secondary winding is wound around the second winding portion of the bobbin unit, and is coupled electromagnetically to the primary winding. The core unit is mounted to the bobbin unit, and includes a first core part, and a second core part that forms a magnetic circuit path with the first core part. The first core part is movable relative to the second core part from a tunable position to an assembled position for varying a size of an effective magnetic flux region defined between the first core part and the second core part. | 04-30-2009 |
| 20090115561 | PLANAR CORE STRUCTURE - Generally, a low-profile planar core structure for use in magnetic components and related processes are presented herein. More specifically, the planar core structure provides a relatively large winding area that reduces heat dissipation, reduces leakage inductance, and allows for a low-profile design. The planar core structure has a center core that is elongated along a horizontal axis. Furthermore, conductors may enter and exit the planar core structure without increasing its height. | 05-07-2009 |
| 20090231080 | Coil body for an electric oil and method for producing an electronic element provided with said coil body - The invention relates to a coil former ( | 09-17-2009 |
| 20090295527 | HIGH POWER MANUFACTURING FRIENDLY TRANSFORMER - Transformers having bobbins that are constructed in such a way that pre-formed secondary windings (e.g., resembling springs) may be slipped onto the bobbins after a primary winding has been wound onto the bobbin. Additionally, the secondary windings may also serve as a self-leading device. That is, they may not require terminations on pins of the bobbin, which may reduce cost and complexity. The secondary windings may have circular or non-circular (e.g., flat) cross-sections. The transformer winding techniques provided herein may reduce the number of components, and may promote smaller input filters and/or less filtering stages at a fraction of the cost of conventional transformers. | 12-03-2009 |
| 20100013588 | COIL DEVICE WITH BOBBIN STRUCTURE - A coil device comprises a bobbin structure, three or more pin lines and two or more coils. The bobbin structure comprises a body section, a first flange section and a second flange section. The body section is positioned between the first flange section and the second flange section in a first horizontal direction. The first flange section comprises a first lower base and a first upper portion. The first upper portion extends upwardly from the first lower base. The first upper portion is provided with a first upper edge on which at least one guide recess is formed. The second flange section comprises a second lower base and a second upper portion. The second lower base faces the first lower base in the first horizontal direction. The second upper portion extends upwardly from the second lower base. The second upper portion faces the first upper portion in the first horizontal direction with the body section interposed therebetween. Each of the pin lines consists of two or more pins arranged in a second horizontal perpendicular to the first horizontal direction. Two or more of the pin lines extend downwardly from the first lower base. One or more of the pin lines extends downwardly from the second lower base. Each of coils comprises a wrapped portion and two twisted portions extending from the wrapped portion. The wrapped portions of the coils are wrapped around the body section of the bobbin structure so that the coils have their axes extending along the first horizontal direction. Each of the twisted portions is twisted around one of the pins. At least one of the twisted portions is guided by the at least one guide recess and extends over the first upper edge to a corresponding one of the pins. | 01-21-2010 |
| 20100188181 | INSULATING MEMBER - An insulating member is provided with a rear surface section, a pair of side surface sections and a pair of column sections. The rear surface section is formed to be arranged between an edgewise coil and the yoke inner circumference surface of a stator core. The pair of side surface sections extend from the rear surface section to cover the side surfaces on the slot side of teeth and are formed flexibly in the facing directions. The pair of column sections extend from the rear surface section along the end surfaces on the coil end side of the teeth, while keeping spaces between the column sections and the side surface sections so as not to disturb deformation of the side surface sections. | 07-29-2010 |
| 20110001598 | TRANSFORMER AND METHOD OF MANUFACTURING THE SAME - There is provided a transformer and a method of manufacturing the same. The transformer includes a bobbin wound with coils; cores having center leg parts inserted from both ends of the bobbin and contacting each other; and a shielding member preventing an inflow of an impregnant into the center leg parts inside the bobbin during a varnish impregnation of the cores. | 01-06-2011 |
| 20110115596 | CURRENT TRANSFORMER - A current transformer includes a bobbin, a primary winding coil, a conductive pillar, a magnetic core assembly, and a covering member. The bobbin includes a bobbin body and a concave structure. The primary winding coil is wound around the bobbin body. The conductive pillar is partially accommodated within the concave structure. The magnetic core assembly includes a first magnetic core and a second magnetic core. The first magnetic core and the second magnetic core are partially embedded into the channel. The concave structure is partially enclosed by the second magnetic core. The covering member cooperates with the concave structure to shield the conductive pillar. The conductive pillar and the second magnetic core are separated from each other by the covering member, so that a creepage distance between the conductive pillar and the primary winding coil and a creepage distance between the conductive pillar and the magnetic core assembly are increased. | 05-19-2011 |
| 20110241815 | TIGHTLY COUPLED IRON CORE SET AND WINDING RACK - A tightly coupled iron core set and winding rack structure includes a winding rack and an iron core set. The winding rack includes a hollow bobbin, a first partition board and a second partition board extended radially from openings at two ends of the bobbin, and a plurality of pin sections located on the second partition board. The first and second partition boards have respectively at least one latch portion. The iron core set includes a core running through the bobbin and a plurality of latch notches coupled with the latch portions to hold the iron core set on the winding rack. Thus the iron core set can be directly latched on the winding rack to form coupling without using extra bonding or latching tools. | 10-06-2011 |
| 20110285492 | FERRITE CORE COIL - A ferrite core coil is provided, which includes a ferrite core element, at least a flexible substrate, and a plurality of first conductors disposed at an interval on the flexible substrate. The ferrite core element has at least a winding area, and the flexible substrate wraps a surface of the winding area of the ferrite core element. Furthermore, two ends of each first conductor respectively have a first contact and a second contact. In this manner, when the first contact of the first conductor and the second contact of the adjacent first conductor are connected electrically, a coil circumscribing the ferrite core element is formed. The winding process is thus greatly simplified, automatic fabrication of the ferrite core coil is facilitated, and the lithography process can be used to fabricate the first conductors on the flexible substrate, resulting in a small sized ferrite core coil. | 11-24-2011 |
| 20120001714 | TRANSFORMER AND DISPLAY DEVICE HAVING THE SAME - The present invention relates to an LCD display device, a transformer, which can be applied to a thin display device, such as an LED display, and a display device having the same. There are provided a transformer including: a bobbin part including a primary bobbin including a first bobbin body having a first through hole therein, the first bobbin body including a first winding unit having a coil wound around an outer circumferential surface of the first through hole, and at least one secondary bobbin including a second bobbin body having a second through hole therein, the second bobbin body including a second winding unit having a coil wound around an outer circumferential surface of the second through hole, wherein the primary bobbin is inserted into the second through hole, and a protrusion is formed on at least part of the outer circumferential surface of the second through hole so that the protrusion is inserted into the first winding unit of the primary bobbin; and a core part having a pair of cores electromagnetically coupled with each other through the first through hole, and a display device having the same. | 01-05-2012 |
| 20120075049 | Insulation Bobbin of a Stator - An insulation bobbin of a stator includes a body and a plurality of extension members. The body has an assembly hole and the extension members are coupled to the body. Each of the extension members has a wound portion. The wound portion has a top plate and two side walls located on two sides of the top plate. A thickness of the top plate is smaller than that of the two side walls. | 03-29-2012 |
| 20120206231 | TRANSFORMER, AMORPHOUS TRANSFORMER AND METHOD OF MANUFACTURING THE TRANSFORMER - A transformer wherein the upper portions of cores are supported by a first supporting member disposed on first end surfaces of the upper portions of the cores, and a second supporting member disposed on second end surfaces of the upper portions of the cores, the first and second supporting members extend in the direction perpendicular to the faces of a magnetic material, and the cores are interposed between the first upper core supporting member and the second upper core supporting member; the first and second upper core supporting members are provided with hooks, the hooks of the first supporting member extending toward the second supporting member and the hooks of the second supporting member extending toward the first supporting member; bridging members are disposed on the opposing pairs of the hooks of the first and second upper core supporting members; and the cores are supported by the bridging members. | 08-16-2012 |
| 20120229242 | JACKET MEMBER - A jacket member for fitting on a pole of a resolver stator. Enameled wires can be wound around the jacket member to indirectly form coils on the pole of the resolver stator. The jacket member includes a hoop body for fitting on the pole of the resolver stator, whereby the enameled wires can be wound around the hoop body to form the coils. The jacket member further includes multiple projections disposed on the hoop body and projecting therefrom. After the enameled wires are wound around the hoop body, the terminals of the enameled wires can be hooked and located on the projections. | 09-13-2012 |
| 20130076473 | TRANSFORMER - A transformer includes a bobbin, a primary coil, a secondary coil, and a core assembly. The bobbin has a winding portion. At least one first winding groove and at least one second winding groove are formed on the winding portion. The first winding groove and the second winding groove are separated by a barrier. A notch is formed on the fringe portion of the barrier. The primary coil is wrapped in the first winding groove, and the secondary coil is wrapped in the second winding groove. The notched barrier increases the creepage distance between the primary coil and the secondary coil in meeting the safety standards. | 03-28-2013 |
| 20140077916 | TRANSFORMER - The embodiment relates to a transformer. A transformer according to an aspect includes: a first coil assembly including a first core, a first bobbin coupled to the first core, and a first coil provided on the first bobbin; and a second coil assembly coupled to the first coil assembly, and including a second core, a second bobbin coupled to the second core, and a second coil provided on the second bobbin. | 03-20-2014 |
| 20140125444 | Combined structure of hollow bobbin and conductive sheet, hollow bobbin, and conductive sheet - A combined structure of hollow bobbin and conductive sheet for a transformer includes a hollow bobbin and at least one conductive sheet. The hollow bobbin includes an outer surface and at least one positioning structure formed on the outer surface. The conductive sheet is fit on the outer surface of the hollow bobbin and includes a main body and at least one engaging structure. The main body has a hollow portion, making the main body to have an inner circumference. The engaging structure is formed on the inner circumference of the main body and is engaged with the positioning structure of the hollow bobbin. The transformer includes at least one winding disposed on the outer surface of the hollow bobbin and abutting against the conductive sheet. | 05-08-2014 |
| 20140218158 | REACTOR - A reactor includes a ring-shaped core, a bobbin, two coils. The bobbin includes a first part that includes two first tubular sections and a first flange and includes a second part that includes two second tubular sections and a second flange. Each of base ends of the first tubular sections is coupled to the first flange and each of base ends of the two second tubular sections is coupled to the second flange. Each of the first tubular sections includes a tongue section extending from a distal end of the first tubular section and fitting into a distal end of the second tubular section. Each of the two coils is wound around a corresponding one of the first tubular sections and a corresponding one of the second tubular sections of the bobbin. | 08-07-2014 |
| 20140240070 | BOBBIN AND COIL COMPONENT - To improve the insulation property of a coil winding wire without increasing the number of components. In a case where a coil winding wire | 08-28-2014 |
| 20140247101 | POWER INDUCTOR AND MANUFACTURING METHOD THEREOF - Disclosed herein are a power inductor in which aspect ratios of the innermost pattern and the outermost pattern are similar with those of the intermediate pattern and a manufacturing method thereof. The power inductor includes coil patterns formed on one surface or both surfaces of a core insulating layer; insulating patterns bonded to at least one of an innermost pattern and an outermost pattern of the coil patterns; metal layers plated on surfaces of the coil patterns; and an insulator covering the coil patterns including the metal layers. | 09-04-2014 |
| 20140375409 | TRANSFORMER STRUCTURE - A transformer includes a bobbin, a winding coil assembly, a magnetic core assembly, and a bracket. The bobbin includes a supporting part and a winding part. The winding coil assembly includes a primary winding coil and a secondary winding coil. The secondary winding coil has an outlet part. The primary winding coil and the secondary winding coil are wound around the winding part of the bobbin. The magnetic core assembly includes a first magnetic core and a second magnetic core. The bobbin is arranged between the first magnetic core and the second magnetic core. The bracket is connected with the supporting part of the bobbin for assisting in positioning the outlet part of the secondary winding coil. | 12-25-2014 |
| 20140375410 | TRANSFORMER, MAGNETIC CORE AND BOBBIN THEREOF - A transformer includes a magnetic core assembly, a bobbin, and a winding coil assembly. The magnetic core assembly includes a first magnetic core and a second magnetic core. Each of the first magnetic core and the second magnetic core includes a magnetic plate, a center leg, a first lateral leg, and a second lateral leg. The first lateral leg and the second lateral leg are disposed on two opposite edges of the magnetic plate. The magnetic plate has a thinned region. The thinned region is defined by the first lateral leg, the second lateral leg and the center leg collaboratively. The bobbin has an engaging structure corresponding to the thinned region. When the bobbin is arranged between the first magnetic core and the second magnetic core, the engaging structure of the bobbin is engaged with the thinned region. The winding coil assembly is wound on the bobbin. | 12-25-2014 |
| 20150109087 | Insulation for Power Transformers - A power transformer is provided that includes a first transformer component, a second transformer component; and an electrical insulator. The electrical insulator is disposed between the first transformer component and the second transformer component. The electrical insulator includes a first layer and a second layer. The first layer has a binder fiber. The binder fiber is a staple fiber coated with a binder material. The second layer has an uncoated staple fiber. The first layer and the second layer are bound together with the binder material. | 04-23-2015 |
| 20150123758 | TRANSFORMER WITH FORCE ABSORBING ELECTRICAL INSULATION - A transformer includes a core of magnetic permeable material around which both a primary coil and a secondary coil extend. A sheets of electrical insulation are located between the layers of windings of the primary and secondary coils, between the primary and secondary coils, and between the core and the coils. The sheet is formed of material that is non-conductive to electricity, and has a first major surface and a second major surface opposing each other. A first plurality of ribs projects outward from the first major surface. Optionally a second plurality of ribs projects outward from the second major surface of the sheet. The force exerted on to the inter-layer or inter-winding electrical insulation sheets during the winding process are absorbed by deformation of one or more of the ribs thereby inhibiting that force from adversely affecting the electrical insulating property of the sheet. | 05-07-2015 |
| 20150332843 | TRANSFORMER-BOBBIN AND TRANSFORMER - A transformer-bobbin including a winding-frame portion constituted by a middle barrel portion | 11-19-2015 |
| 20150340152 | TRANSFORMER WITH BOBBIN FOR PREVENTING CRACK, LOW VOLTAGE DC-DC CONVERTER HAVING THE SAME, AND METHOD FOR ASSEMBLING THE SAME - A transformer with a bobbin for preventing a crack may include a lower core configured to be provided with a lower assembling jaw, a bobbin for preventing a crack configured to have a center rib which is provided with a lower core crack preventing part inserted into the lower assembling jaw and an upper core crack preventing part formed at an opposite side to the lower core crack preventing part, having a predetermined thickness, a bus bar configured to penetrate through the center rib, an insulating plate configured to be stacked on an upper end surface of the bus bar, and an upper core inserted into the insulating plate and the bus bar and inserted into the upper core crack preventing part. | 11-26-2015 |
| 20150357111 | COIL COMPONENT AND METHOD OF MANUFACTURING COIL COMPONENT - A magnetic core ( | 12-10-2015 |
| 20150364246 | IGNITION COIL - An ignition coil for delivering a spark-generating current to a spark plug includes a magnetically-permeable core; a primary winding disposed outward of the core; and a secondary winding radially surrounding the primary winding and inductively coupled to the primary winding, the secondary winding having a low-voltage end and a high-voltage end. The secondary winding includes a secondary winding first section proximal to the low-voltage end and having a first thickness. The secondary winding also includes a secondary winding second section proximal to the high-voltage end and having a second thickness that is less than the first thickness of the secondary winding first section. | 12-17-2015 |
| 20150380156 | WINDING COMPONENT - A winding component includes a core that surrounds an outer circumference of a coil and end surfaces of flanges to form a closed magnetic circuit, in which notches through which end portions of the coil are drawn outward are so formed in the flanges that each of the notches extends radially inward from an outer circumferential edge of the corresponding flange, a wall that surrounds each of the notches such that the wall stands axially outward on the flange, a thick portion in a winding part in correspondence with the notches and thicker than other portions of the winding part, and a lid formed of a sidewall between an outer circumferential surface of the wall and the core and covers the outer circumferential surface of the wall and a top plate at an axially outer end of the sidewall and covers an opening in the wall. | 12-31-2015 |
| 20160093421 | Electrical Insulation System - An electrical insulation system for a high voltage inductive device includes a cylindrical insulation barrier defining an axial direction, a longitudinal bar having a main extension in the axial direction, the longitudinal bar arranged to support the cylindrical insulation barrier along the axial direction and to provide spacing in a radial direction, and the longitudinal bar having a first side facing the cylindrical insulation barrier and a second side, opposite the first side, having a groove, and a spacer having a main extension in the radial direction, the spacer being arranged to provide spacing in the axial direction, the spacer having a groove fitting end portion. The longitudinal bar is adapted to receive the groove fitting end portion of the spacer in the groove, and wherein the spacer is dimensioned so relative to the groove that the groove captures any streamer propagating from the spacer towards the cylindrical insulation barrier. | 03-31-2016 |
| 20160111206 | TRANSFORMER - A transformer capable of readily ensuring a predetermined insulation distance with no increase in the overall size of the transformer and further capable of reducing the number of constituent parts to achieve cost reduction. According to the present invention, the transformer includes a first bobbin having a wire winding section and a flange formed at an end of the wire winding section, a first coil wound around the wire winding section of the first bobbin, a second coil disposed coaxially with the first coil and adjacent to the flange, and a core disposed around the outer circumferences of the first and second coils to form a closed magnetic circuit, and a tubular protrusion that axially extends and surrounds the outer circumference of the second coil is formed along an outer circumferential portion of the flange of the first bobbin. | 04-21-2016 |
| 20160118185 | REACTOR AND MANUFACTURING METHOD OF REACTOR - A reactor ( | 04-28-2016 |
| 20160133379 | MAGNETIC ELEMENT AND BOBBIN ASSEMBLY THEREOF - A magnetic element includes a bobbin assembly, at least one pancake winding assembly, a winding coil assembly and a magnetic core assembly. The bobbin assembly includes plural bobbin units. The plural bobbin units are detachably coupled with each other. Each bobbin unit includes a main body, a coupling structure and at least one engaging structure. The main body includes an external surface, a channel and a first winding section. The coupling structure is disposed on the external surface of the main body. The engaging structure of the bobbin unit is engaged with the engaging structure of an adjacent bobbin unit. The pancake winding assembly is disposed around the main body and coupled with the corresponding coupling structure. The winding coil assembly is wound around the first winding section. The magnetic core assembly is partially accommodated within the channel of the bobbin unit. | 05-12-2016 |
| 20160189856 | INTRINSICALLY SAFE TRANSFORMERS - Intrinsically safe transformers and power supplies for use in hazardous environments are disclosed. The intrinsically safe transformers include a housing, a first winding associated with the housing, and a second winding associated with the housing where either the first or second winding or both windings are within an insulating jacket or sleeve to electrically isolate the windings. | 06-30-2016 |
| 20180025830 | THREE-PHASE AC REACTOR HAVING EXTERNAL CONNECTION POSITION CHANGE UNIT AND MANUFACTURING METHOD THEREOF | 01-25-2018 |
| 20190148051 | BOBBIN WOUND ELECTRICAL REACTOR ASSEMBLY | 05-16-2019 |
