Class / Patent application number | Description | Number of patent applications / Date published |
336212000 | PLURAL PART CORE | 88 |
20080224812 | ISOLATED POWER CONVERTER - There is provided an isolated power converter. More particularly, in one embodiment, there is provided a power converter including a first magnetic core having a primary winding and a secondary winding around the first magnetic core. The power converter also includes a second magnetic core having a first leg, a second leg coupled to the first leg, and a third leg coupled to the first and second legs, wherein a part of the third leg is equidistant from the first leg and the second leg. The power converter also has a first winding encircling the first leg, a first end of the first winding coupled to the secondary winding, a second winding encircling the second leg, a first end of the second winding coupled to the secondary winding, and a third winding encircling the third leg, a first end of the third winding coupled to a second end of the first wining and to a second end of the second winding. | 09-18-2008 |
20080231408 | Transformer - The present invention provides a transformer including a plurality of magnetic circuits comprised of a plurality of magnetic cores and a coil winding around said magnetic circuits, wherein said coil winding is one or any combination of a coil winding, a planar conductor winding, and an equivalent winding made up of printed circuit boards. The present invention makes different combination of a planar conductor winding, a coil winding, and an equivalent winding made up of printed circuit boards based on actual needs to realize input and output requirements of different current and voltage. Said magnetic circuits disperse heat spots, improve environment of heat dissipation, and enhance output power of said transformer. | 09-25-2008 |
20080303624 | INDUCTOR - An inductor includes a first magnetic substance core which has a middle leg, a first outer leg, a second outer leg, and a body portion interconnecting the middle leg, the first outer leg and the second outer leg, and a second magnetic substance core which is arranged to be opposed to the first magnetic substance core. A first conductor is arranged in a first space which is formed by the middle leg, the first outer leg, part of the body portion, and the second magnetic substance core. A second conductor is arranged in a second space which is formed by the middle leg, the second outer leg, part of the body portion, and the second magnetic substance core. The middle leg is formed with a region which is lower in height than the first outer leg, in the same direction as the longitudinal direction of the first outer leg. | 12-11-2008 |
20090027151 | Reactor Part - To reduce a reactor core shape so as to decrease an entire reactor size and to lower a cost while improving DC superimposition of a high current value. | 01-29-2009 |
20090051478 | FILTER AND MANUFACTURING METHOD THEREOF - A filter includes a first magnetic ring, a second magnetic ring, two windings and a magnetically conductive element. The second magnetic ring covers the first magnetic ring. The windings are wound around the second magnetic ring, respectively, and the magnetically conductive element is assembled with the second magnetic ring. | 02-26-2009 |
20090066465 | MAGNETIC CORE FOR TESTING MAGNETIC SENSORS - A magnetic core for testing a magnetic sensor includes a base portion, and first, second, and third legs extending from the base portion. At least one coil generates magnetic flux through the magnetic core and into the magnetic sensor. The base portion and the first, second, and third legs are formed as a single piece without bonding joints therebetween. | 03-12-2009 |
20090091414 | On-chip inductor for high current applications - Saturation of nonlinear ferromagnetic core material for on-chip inductors for high current applications is significantly reduced by providing a core design wherein magnetic flux does not form a closed loop, but rather splits into multiple sub-fluxes that are directed to cancel each other. The design enables high on-chip inductance for high current power applications. | 04-09-2009 |
20090195345 | MAGNETIC ELEMENT - A magnetic element including a first core and a second core each of which has a winding core provided with a flange portion having a flange surface at least at one end thereof; and an intermediate core to form a closed magnetic circuit which is disposed between said first core and said second core in a manner being integrally connected with said first core and said second core. | 08-06-2009 |
20090237197 | Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures - An M-phase coupled inductor including a magnetic core and M windings, where M is an integer greater than one. The magnetic core is formed of a core material, and the magnetic core includes a first outer leg forming a first gap. The first gap includes a first gap material having lower magnetic permeability than the core material. Each winding is wound at least partially around at least a portion of the magnetic core, and each winding has a respective leakage inductance. The first gap causes the leakage inductances to be greater than if the first outer leg did not form the first gap. The coupled inductor may be used in a power supply, and the power supply may be used in a computing apparatus. | 09-24-2009 |
20090261939 | COMMON MODE, DIFFERENTIAL MODE THREE PHASE INDUCTOR - An inductor includes common mode and differential mode flux paths. The inductor comprises a first core having a first segment, a second segment extending from the first segment and a first bridge segment extending from the second segment; a first wiring arrangement at least partially disposed around the first segment; a second core having a third segment, a fourth segment extending from the third segment and a second bridge segment extending from the fourth segment; and a second wiring arrangement at least partially disposed around the third segment; wherein the first segment, second segment, third segment and fourth segment cooperate to promote the common mode flux path, and the first bridge segment and the second bridge segment cooperate to promote the differential mode flux path. | 10-22-2009 |
20090273430 | Dual core transformer and backlight driving unit for liquid crystal display device including the same - A dual core transformer including a bobbin having a through-hole along a first direction; a first coil wound around a first portion of the bobbin; a second coil wound around a second portion of the bobbin; first and second I cores inserted into the through-hole; and first and second C cores covering the first and second portions of the bobbin. | 11-05-2009 |
20100060404 | DC-DC CONVERTER FOR FUEL CELL APPLICATION USING HYBRID INDUCTOR CORE MATERIAL - An inductor that includes end core pieces and a plurality of center block core pieces between the end core pieces that define a plurality of gaps. The end core pieces are made of an amorphous alloy to provide good magnetic field properties and the center core pieces are stamped magnetic sheets forming a laminate structure to provide ease of manufacturability. In one non-limiting embodiment, the end core pieces are an amorphous iron alloy and the center core pieces are stamped silicon-iron. | 03-11-2010 |
20100127813 | INDUCTANCE PART - Since there exists a draw-out portion of a triple insulated wire in a winding structure of a transformer in which the triple insulated wire is used as a secondary winding, the thickness of the transformer is increased by an amount corresponding to the wire diameter of the draw-out portion. Further, when reduction of the thickness of the transformer is prioritized, the secondary winding can be provided only on one side, making it impossible to achieve the sandwich structure. Thus, the coupling between the primary and secondary windings has been sacrificed. | 05-27-2010 |
20100176906 | TRANSFORMER - A transformer includes a frame type iron core having plate-shaped magnetic members. At least one of the plate-shaped magnetic members has a large width and forms a magnetic circuit in which a magnetic flux is concentrated. Each of the plate-shaped magnetic members includes magnetic member pieces. Each adjacent pair of end surfaces of the magnetic member pieces are joined together to form a joint portion. Three or more joint portions, each of which is formed, by joining together adjacent end surfaces of an adjacent pair of the magnetic member pieces included in the plate-shaped magnetic member having the large width, are shifted from each other in the direction of a magnetic path of the magnetic circuit to increase an effective cross sectional area of the magnetic path. The magnetic member pieces included in the plate-shaped magnetic member having the large width have a high magnetic permeability to reduce a magnetic resistance of the magnetic circuit. This configuration contributes to suppressing an increase in the material cost of the frame type iron core and an increase in the number of processes for manufacturing the frame type iron core and reducing a no-load loss. | 07-15-2010 |
20100194515 | Amorphous metal continuous flux path transformer and method of manufacture - In a three phase transformer core, amorphous metal strips are wound into rings that are combined into frames and assembled to define cores with leg cross sections that have more than 4 sides to facilitate winding transformer windings onto the legs using winding tubes. The amorphous metal layers are secured relative to one another and the core made more rigid using resin, silicon steel layers included in the amorphous metal core, or by using strapping or tying devices. | 08-05-2010 |
20100308948 | Ferrite core assembly - There is provided a ferrite core assembly comprising a plurality of ferrite elements and a plurality of spacer elements, wherein each spacer element comprises formations for engaging with two ferrite elements, thereby to locate the ferrite elements with respect to each other. Various embodiments of the spacer element are described with one spacer element formed with a spigot extending from each face that adjoins a ferrite element. The spacer element can include gripping protrusions, to grip an external surface of a ferrite rod or ferrite bead, or an internal surface of a ferrite bead. There is also provided broadband and cable network equipment incorporating a ferrite core assembly comprising a plurality of ferrite elements and a plurality of spacer elements, wherein each spacer element comprises formations for engaging with two ferrite elements, thereby to locate the ferrite elements with respect to each other. | 12-09-2010 |
20110001601 | INDUCTIVE ELEMENT HAVING A GAP AND A FABRICATION METHOD THEREOF - An inductive element having a gap and a fabrication method thereof are disclosed. The fabrication method is for fabricating an inductive element having a first core body, a second core body and a gap, and includes: coating an adhesive on a gap-facing side of the first core body and/or the second core body; providing a linear spacer and installing the linear spacer between the first core body and the second core body; and combining the side of the first core body where the adhesive is coated with the side of the second core body where the adhesive is coated, allowing the linear spacer to form the gap when the first core body is combined with the second core body. Thereby, the linear spacer establishes the size of the gap of the inductive element and improves the adhesion of the first core body to the second core body. | 01-06-2011 |
20110025444 | MAGNETIC CORE FOR A COIL DEVICE AND METHOD FOR MANUFACTURING A MAGNETIC CORE - A reactor core, which has a pair of press surfaces (a-b planar surfaces) formed by compression molding with an edge part of each of the press surfaces being plastically formed by pressure treatment, is disposed in a direction in which a magnetic flux generated upon energization of a coil does not penetrate each of the press surfaces. | 02-03-2011 |
20110080246 | INDUCTOR TOPOLOGIES WITH SUBSTANTIAL COMMON-MODE AND DIFFERENTIAL-MODE INDUCTANCE - An inductor includes a core that has a window. The core includes a first core member and a second core member. A first winding is coupled to the first core member and a second winding is coupled to the second core member. A floating center leg is coupled between, but not attached to, the first and second core members. The floating center leg is conductively enabling flux flow between the first core member and the second core member. | 04-07-2011 |
20110115598 | BOBBIN STRUCTURE AND TRANSFORMER HAVING THE SAME - A bobbin structure is disclosed. The bobbin structure comprises plural modular bobbin members each connected with each other. Each modular bobbin member comprises a perforation channel, a first baffle disposed on one end of the perforation channel and placed perpendicularly to the perforation channel, and a second baffle disposed on the other end of the perforation channel and placed oppositely to the first baffle. The first baffle has a first connecting member, and the second baffle has a second connecting member. A first winding slot is disposed between the first baffle and the second baffle. The bobbin structure is formed by the engagement between the first connecting member of one modular bobbin member and the second connecting member of another connected one, wherein a second winding slot is formed between two connected modular bobbin members. | 05-19-2011 |
20110175698 | INDUCTOR WITH FERROMAGNETIC METAL FILM - The present invention discloses an inductor with a ferromagnetic metal film, which comprises an upper magnetic material layer, a lower magnetic material layer, and a metallic conducting wire. The metallic conducting wire is sandwiched between the upper magnetic material layer and the lower magnetic material layer. Either the upper magnetic material layer or the lower magnetic material layer is a ferromagnetic metal film. The ferromagnetic metal film can effectively converge the magnetic fluxes and enhance the inductance of the inductor. Thus is reduced the thickness of the upper magnetic material layer or lower magnetic material layer and achieved a thin drum inductor. | 07-21-2011 |
20110309905 | Gapped Magnet Core - A gapped core leg for a shunt reactor, comprising magnetic core elements separated by spacers cast directly between the core elements. Accordingly, a rigid core leg construction is achieved. | 12-22-2011 |
20110316660 | MULTILAYER STRUCTURE USEFUL FOR ELECTRICAL INSULATION - A multilayer structure contains
| 12-29-2011 |
20120056706 | WOUND TRANSFORMER CORE WITH SUPPORT STRUCTURE - A wound transformer core is provided with at least one core loop made of a magnetic material. The transformer core includes multiple thin amorphous band-like iron sheets which are concentrically stacked around at least one center axis. A lower yoke section, an upper yoke section, and at least two limb sections are formed. The transformer core includes a modular plate-like support structure which is affixed upright to the center axis on both face sides of the lower yoke section and on both face sides of each limb section such that neighbored iron sheets are affixed together at their outer edge. The modular plate-like support structure includes, for each face side of the corresponding core sections, at least two plate-like modules, which are each connected to each other by a first or second plug-in connection. | 03-08-2012 |
20120056707 | TRANSFORMER FOR A POWER SUPPLY CONVERTER - A transformer for an LLC resonant converter having a reduced size and reduced material costs is disclosed. The transformer includes a pair of cores and a bobbin provided with a through hole formed therethrough. Each core includes a first leg and a second leg such that the first legs of the cores are opposite from and are connected to each other within the through hole. The second legs of the cores are opposite each other and are connected to each other at the outside of the bobbin. The bobbin includes a first winding unit on which a primary coil is wound and a second winding unit on which a secondary coil is wound. | 03-08-2012 |
20120062349 | COMPOSITE TRANSFORMER - A composite (combined type of) transformer includes: a transformer core including a plurality of transformer magnetic leg portions, a transformer magnetic leg portion, and a pair of transformer bases; a plurality of inductor cores each including an inductor magnetic leg portions, inductor outer magnetic leg portions, and a pair of inductor bases; and a plurality of windings wound around the transformer magnetic leg portion and the inductor magnetic leg portions. The windings are wound to generate magnetic fluxes in such directions as to be cancelled out in a magnetic closed circuit in the transformer core. | 03-15-2012 |
20120062350 | MAGNETIC CORE AND INDUCTION DEVICE - A magnetic core includes a first core and a second core made of a material whose magnetic permeability is smaller than that of the first core and having an end. The end of the second core is in contact with the first core so that the first core and the second core cooperate to form a closed magnetic circuit. The area of contact between the end of the second core and the first core is larger than the area of the cross-section of the end as taken perpendicularly to the extending direction of the end of the second core. | 03-15-2012 |
20120068805 | Economical Core Design for Electromagnetic Devices - A magnetic core for an electromagnetic device is formed from alternating interleaved steel laminations. The core comprises a plurality of core elements comprising legs and yokes oriented substantially quadrature to the legs, such that abutting core elements are in substantially quadrature relation. A plurality of flux deflection zones are defined in regions where flux flows from one core element to an abutting core element. At least one of the layers has at least one core element composed of grain-oriented steel, and the remaining core elements are composed of non-grain-oriented steel, such that at least some flux deflection zones are composed of a substantial amount or substantially entirely of non-grain-oriented steel. Flux flowing in the direction of the grain orientation in the core element(s) composed of grain-oriented steel changes direction to flow through the abutting core element in the flux deflection zone composed of non-grain-oriented steel. This reduces the power losses in flux deflection zones of the core relative to cores formed entirely from grain-oriented steel, because the flux is never flowing perpendicular to the direction of the grains in the steel, while providing a design that is considerably less expensive than cores formed from non-grain-oriented steel with substantially the same level of power losses or lower. | 03-22-2012 |
20120119869 | REACTOR - Provided is a reactor having a small size. A reactor | 05-17-2012 |
20120133475 | SEGMENTED CORE TRANSFORMER - The transformer ( | 05-31-2012 |
20120146758 | TRANSFORMER INCORPORATED IN ELECTRONIC CIRCUITS - A vibration-suppressed transformer is fixed to a base plate and includes a magnetic lower core, two or more magnetic upper cores, primary and secondary coils. The lower core is on the base plate. The upper cores are arranged face to face over the lower core. The coils are arranged between the lower and upper cores. Each upper core contacts the lower core, on an outer side of the coils, with a first gap being provided between the upper and lower cores, on an inner side of the coils. The upper cores are extended towards each other from the outer to the inner side of the coils, with a second gap being provided therebetween. The second gap is provided therein with a non-magnetic pressing member to press the lower core against the base plate, on an inner side of the coils. | 06-14-2012 |
20120154098 | Transformer - A transformer includes a primary coil, a secondary coil, and a core. The core is to be used in combination with the primary coil or the secondary coil, and includes a conductor storage part and a central part. The conductor storage part is a concave recess formed in an annular manner and configured to store a conductor of the coil therein. The central part is a region inward from the conductor when the core is used in combination with the coil. The central part has a recessed shape having an opening that opens toward a direction opposite to a direction of an opening of the concave recess. The central part has an end, at a side opposite to a side of the opening of the central part, which is generally flat so as to be contiguous with an inner opening edge of the conductor storage part. | 06-21-2012 |
20120161916 | CORE UNIT AND INDUCTOR HAVING THE CORE UNIT - A core unit includes first and second core elements. The first core element includes a first peripheral portion and a first leakage inductance portion that is confined by the first peripheral portion and that has a first end surface. The second core element includes a second peripheral portion and a second leakage inductance portion that is confined by the second peripheral portion and that has a second end surface. The first and second peripheral portions are connected to each other, and the first and second end surfaces are disposed to face each other and are spaced apart from each other so as to form a gap therebetween. At least one of the first and second end surfaces is a non-level surface. | 06-28-2012 |
20120161917 | Magnetic Power Converter - A rare earth magnet is observed to function as a constant flux generator until coerced. To exploit this law, a Magnetic Power Converter is configured as a figure eight shaped balanced reluctance bridge where a rare earth magnet provides a source of constant flux employed as a working fluid. One side of the bridge drives an output coil and the other side is moderated by a toroid shaped control core acting as a variable reluctance shunt with respect to the magnet. Current in the control coil determines the rate and degree of flux variation across the bridge and therefore the resultant output voltage. Due to a mitigation of Lenz effect, full output loading is not reflected in the input; this property supports real power conversion efficiencies that may have wide applications in alternative energy and green energy generation. | 06-28-2012 |
20120188048 | Compact high short circuit current reactor - A three phase compact high short circuit current reactor also commonly known as an inductor is disclosed which can be easily be modified during initial construction to provide predefined gaps between the internal core sections for enhancing performance for each individual customized application. Inductor core sections are commonly oriented horizontally. The present design provides a core construction which includes multiple vertically stacked coils with yokes positioned between adjacent coils for facilitating flux cancellation to enhance performance. The coils can be round or square in cross-section and normally are made of either wire or foil usually of copper or aluminum. The material of the core is preferably of a silicon steel material which can be grain-oriented or non-grain-oriented. | 07-26-2012 |
20120188049 | COIL COMPONENT - A coil component is of the type where a helical coil is directly contacting a magnetic body, which is still capable of meeting the demand for electrical current amplification. A coil component, comprising a magnetic body mainly constituted by magnetic alloy grains, and a coil formed on the magnetic body; wherein an oxide film of the magnetic alloy grains is present on the surface of each of the magnetic alloy grains, and based on grain size by volume standard, the magnetic alloy grains have a d50 in a range of 3.0 to 20.0 μm, d10/d50 in a range of 0.1 to 0.7, and d90/d50 in a range of 1.4 to 5.0. | 07-26-2012 |
20120200382 | Inductive Device with Improved Core Properties - An inductive component is proposed, having a winding and a core which comprises a plurality of core areas (1, 2) which contain different magnetic materials. | 08-09-2012 |
20120280780 | BOBBIN AND TRANSFORMER COMPRISING THE SAME - A bobbin used in a transformer is disclosed. The bobbin includes a main body, two side walls, two wire collecting bases and at least one extension wire collecting base. The main body has a tunnel. The two side walls are disposed on the two ends of the main body, respectively. The tunnel passes through the two ends of the main body and the two side walls. The two wire collecting bases are disposed on the two side walls respectively or on one of the two side walls. Each wire collecting base has at least one wire collecting part. The extension wire collecting base has at least one extension wire collecting part. The extension wire collecting base can couple with the wire collecting base. | 11-08-2012 |
20120286918 | TRANSFORMER - A transformer includes a bobbin, an iron core assembly, and a first sleeve. The bobbin includes a main body and a channel passing through the main body. The iron core assembly includes a first iron core and a second iron core. The first end of the first iron core and the second end of the second iron core are disposed near the periphery of the bobbin. The first sleeve is disposed at a first gap between the first end and the second end, so as to make the first end and the second end to be accommodated within the first sleeve. And, the first end is aligned opposite to the second end. | 11-15-2012 |
20120286919 | COIL COMPONENT - The present invention provides a coil component which is possible to be thinner with less leakage flux toward upward and downward directions, and to sustain a good insulation. The coil component comprises a core including two opposing parts mutually opposing, two side legs mutually connect both ends of the two opposing parts, and a middle leg placed between the two side legs and mutually connect central parts of the two opposing parts, a primary coil, which goes around outer circumference of the middle leg, and a secondary coil, which goes around outer circumference of the primary coil, wherein; a distance between outer perimeter edge of the primary coil and inner perimeter edge of the secondary coil varies along circumferential direction. | 11-15-2012 |
20120293293 | MAGNETIC DEVICE AND METHOD FOR GENERATING INDUCTANCE - A magnetic device includes two symmetric magnetic cores, each of which includes a base, a first protruding portion and second protruding portions. The first protruding portion and the second protruding portions are formed on the base separately along two edges of the base. The two symmetric magnetic cores are assembled such that a gap is formed between the first protruding portion of one of the two symmetric magnetic cores and the first protruding portion of the other one of the two symmetric magnetic cores. A method for generating inductance is also disclosed herein. | 11-22-2012 |
20120299685 | REACTOR AND REACTOR MANUFACTURING METHOD - A reactor has a cylindrical molded coil assembly 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 an axial core shaft, and single or multiple ring-shaped core members. The ring-shaped core members are disposed outside the outer surface of the core shaft such that the core shaft is inserted inside the inner surface of said ring-shaped core members, and the coil assembly is disposed outside the outer surface of the ring-shaped core member such that the ring-shaped core members are inserted inside the inner surface of said coil assembly. A protrusion protruding inwards from the inner surface of the coil assembly contacts the axial end surface of a ring-shaped core member. | 11-29-2012 |
20120299686 | STATIC APPARATUS - A static apparatus includes an iron core which includes a plurality of magnetic plates stacked in one direction and in which a shaft portion having a main surface and a side surface is formed, and a coil wound around the shaft portion. Slits extending in an axial direction of the shaft portion are formed in at least a surface layer magnetic plate constituting the main surface, of the plurality of magnetic plates. Some of the slits are formed in the main surface, at an end portion close to the side surface, at a predetermined formation density. The formation density of the slits is highest at the predetermined formation density, and is reduced as at least one of a minimum distance from the side surface within the main surface and a distance from the main surface on a side close to the slits in the stacking direction is increased. | 11-29-2012 |
20120326829 | TRANSFORMER - A transformer includes: a core assembly | 12-27-2012 |
20130063239 | TRANSFORMER INCORPORATED IN ELECTRONIC CIRCUITS - A vibration-suppressed transformer is fixed to a base plate and includes a magnetic lower core, two or more magnetic upper cores, primary and secondary coils. The lower core is on the base plate. The upper cores are arranged face to face over the lower core. The coils are arranged between the lower and upper cores. Each upper core contacts the lower core, on an outer side of the coils, with a first gap being provided between the upper and lower cores, on an inner side of the coils. The upper cores are extended towards each other from the outer to the inner side of the coils, with a second gap being provided therebetween. The second gap is provided therein with a non-magnetic pressing member to press the lower core against the base plate, on an inner side of the coils. | 03-14-2013 |
20130069755 | Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures - An M phase coupled inductor includes a magnetic core including a first end magnetic element, a second end magnetic element, and M legs disposed between and connecting the first and second end magnetic elements. M is an integer greater than one. The coupled inductor further includes M windings, where each winding has a substantially rectangular cross section. Each one of the M windings is at least partially wound about a respective leg. | 03-21-2013 |
20130088317 | REACTOR AND METHOD OF MANUFACTURING THE SAME - An annular core ( | 04-11-2013 |
20130093560 | MAGNETIC CORE AND INDUCTION DEVICE - A magnetic core includes a first core having a recess and a second core, which has a first end portion and a second end portion both held in contact with the first core and forms a closed magnetic path with the first core. The second core is formed of material having a lower magnetic permeability and a higher saturation magnetic flux density than those of the first core. The second end portion includes a distal surface having an area larger than the cross-sectional area of the first end portion in a direction perpendicular to the direction in which a magnetic flux flows in the closed magnetic path. The distal surface of the second end portion is held in contact with the first core and the first end portion is engaged with the recess in the first core. | 04-18-2013 |
20130106555 | Amorphous Core Transformer | 05-02-2013 |
20130106556 | REACTOR AND MANUFATURING METHOD THEREOF | 05-02-2013 |
20130113596 | Method For Making Magnetic Components With N-Phase Coupling, And Related Inductor Structures - Methods and structures for constructing a magnetic core of a coupled inductor. The method provides for constructing N-phase coupled inductors as both single and scalable magnetic structures, where N is an integer greater than 1. The method additionally describes how such a construction of the magnetic core may enhance the benefits of using the scalable N-phase coupled inductor. The first and second magnetic cores may be formed into shapes that, when coupled together, may form a single scalable magnetic core. For example, the cores can be fashioned into shapes such as a U, an I, an H, a ring, a rectangle, and a comb, that cooperatively form the single magnetic core. | 05-09-2013 |
20130120098 | INDUCTOR - An inductor comprises a magnetic core and a coil. The magnetic core has a wound portion around which the coil is wound, and a peripheral portion. The magnetic core is formed from two or more preliminarily-formed-bodies which are pressure-molded in a state where the coil winds one or more preliminarily-formed-bodies which form the wound portion. The preliminarily-formed-bodies include at least one preliminarily-formed-body which forms the peripheral portion while not form the wound portion. Each of the preliminarily-formed-bodies is made of a mixture of flat magnetic powders and an organic binder so as to have a plate-like shape. The flat magnetic powders are oriented so as to be parallel to the preliminarily-formed-body. | 05-16-2013 |
20130127579 | REACTOR AND MANUFACTURING METHOD THEREOF - A reactor comprises a reactor core in which two U-shaped core members are connected in a ring shape with gap sections including adhesive layers therebetween, a primary insert-molded resin part which is provided covering leg parts of the core member and which includes joint sections formed around end surfaces of the leg parts a coil placed around the gap sections and the leg parts of the core members, and a secondary insert-molded resin part which is made of a thermoplastic resin and which is insert-molded around the coil to fix the coil on the reactor core and fix the leg parts of the two core members in a connected state, wherein the joint sections of the primary insert-molded resin parts are fitted to each other in a state where the core members are placed connected in a ring shape, to form a peripheral wall surrounding the gap section. | 05-23-2013 |
20130214892 | LAMINATED LAYER STRUCTURE FOR PRODUCING AN INSULATION MATERIAL - A layer structure for producing a planar insulation laminate, including the following sequence of planar individual layers arranged one on the other: a B-stage resin, a glass fabric, a core layer made of polyester film, a glass fabric, and a B-stage resin. In the hardened state, an insulation material produced therefrom is suitable, for example, to be used as an insulation barrier between a low-voltage winding and a high-voltage winding of a transformer winding. | 08-22-2013 |
20130241686 | REACTOR AND MANUFACTURING METHOD THEREOF - A reactor includes a coil and a core unit having partial cores butted against one another to form a closed magnetic path. The partial cores include a first partial core forming and a second partial core. The first partial core is inserted in the hollow of the coil. A pressed face of the first partial core is oriented orthogonal to the winding axis direction of the coil. The second partial core is butted against the first partial core. A pressed face of the second partial core is oriented orthogonal to a direction different from the winding axis direction. The pressed face of the second partial core is a substantially flat plane. | 09-19-2013 |
20130314195 | FERROMAGNETIC TRANSFORMER CORES - Ferromagnetic transformer cores comprise transformer beads with multiple holes or channels extending through the bead. The physical dimensions of individual core components are adjusted relative to each other to ensure that transformers to be associated with the core components are balanced in impedance. | 11-28-2013 |
20130321118 | NON-MAGNETIC COMPOSITION FOR MULTILAYER ELECTRONIC COMPONENT, MULTILAYER ELECTRONIC COMPONENT MANUFACTURED BY USING THE SAME AND MANUFACTURING METHOD THEREOF - There are provided a non-magnetic composition for a ceramic electronic component, a ceramic electronic component manufactured by using the same, and a manufacturing method thereof. The non-magnetic composition for a ceramic electronic component includes a compound represented by ZnCuTiO | 12-05-2013 |
20140002230 | POWER TRANSFORMER | 01-02-2014 |
20140022043 | Piezoelectric Multi-Layer Component - A piezoelectric multi-layer component includes a piezoelectric main body, which has an inlet area and an outlet area. In the outlet area or in the inlet area at least two adjacent layers are polarized antiparallel to each other and at least two adjacent layers are polarized parallel to each other. | 01-23-2014 |
20140028431 | AMORPHOUS METAL CORE, INDUCTION APPARATUS USING SAME, AND METHOD FOR MANUFACTURING SAME - Provided are an amorphous metal core that can minimize a core loss in which amorphous thin plate laminates are mutually combined by coupling protrusions and coupling recesses of assembly plates, an induction device, and a method of making the amorphous metal core. The amorphous metal core includes: a number of amorphous metal unit cores that include an amorphous thin plate laminate and a pair of assembly plates that are respectively laminated on the front and rear surfaces of the amorphous thin plate laminate, and are configured to have an I shape, respectively. The induction device includes: an amorphous metal core including a number of amorphous metal unit cores that are formed of an “I” shape, respectively; and at least one coil that is wound on at least one of the amorphous metal unit cores forming the amorphous metal core. The amorphous thin plate laminate is formed by laminating amorphous metal thin plates that are formed by slitting and cutting a wide amorphous ribbon, to thus guarantee a molding automation and durability of a molding device that is used for the molding automation. | 01-30-2014 |
20140055226 | VARIABLE COUPLED INDUCTOR - A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion. | 02-27-2014 |
20140062645 | TRANSFORMER STRUCTURE - A transformer structure, configured with an assembly of overlapped plural of laminations, a roller and a coil, to provide a transformer with better function of permeability, less weight, lower cost, higher coupling efficiency of electrical energy, and a rapid winding process which could be applied in a variety types of transformer structure or similar products. | 03-06-2014 |
20140085035 | POWER SUPPLY APPARATUS - A power supply apparatus including a first magnetic core, a second magnetic core having a shape symmetrical to a shape of the first magnetic core, a third magnetic core between the first and second magnetic cores, a first coil wound around at least one of the first and third magnetic cores, and a second coil wound around at least one of the second and third magnetic cores, wherein a material for the third magnetic core is different from a material for the first magnetic core or the second magnetic core. | 03-27-2014 |
20140111297 | Wound transformer core and method of manufacture - In a transformer core and transformer, a wound transformer core is formed from magnetic steel strips that are wound into multiple rings of different widths and arranged to define a ring-like structure having a stepped, substantially circular cross-section without any cuts or gaps in the magnetic path, or the core is wound from one or more tapered strips that are wound to define a cross-section that is circular, oval, egg-shaped, or square-shaped with truncated corners. | 04-24-2014 |
20140111298 | LOW PROFILE TRANSFORMER - The instant disclosure relates to a low-profile transformer. The transformer in accordance with the present invention comprises a core unit having a pair of opposingly arranged base portions, an inserting portion, and at least a primary coil and a secondary coil wound around the inserting portion. The top-facing edge of the lateral portions is chamfered to enable tighter fitment into a receiving housing, such as a light tube. The transformer may also include a frame unit having a rounded flange that conforms to the shape of the wound coil. The instant disclosure further introduces a method for providing a low-profile transformer that is particularly suitable for adapting in a tubular light device. The physical features and dimension of the transformer may be determined by methods that utilize the analysis of a characteristic equation in accordance with specific operating requirements. | 04-24-2014 |
20140232505 | COIL STRUCTURE AND ELECTRONIC DEVICE - A coil structure according to one embodiment of the present invention includes, but is not limited to: a plurality of core members having impedances with different frequency characteristics; and a winding wire member wound around the plurality of core members. | 08-21-2014 |
20140232506 | BUILDING-BLOCK-COMBINED-TYPE HIGH POWER TRANSFORMER - A building-block-combined-type high power transformer includes a first iron core body , a second iron core body , a plurality of plate bodies, and a plurality of isolating bodies. The first iron core body and the second iron core body have a first side wing part and a second side wing part respectively at both sides thereof. Both of the first side wing part and the second side wing part being a circular shape at both ends respectively thereof have a first open channel and a second open channel formed between thereof where the second iron core body is in contact with the first iron core body. Each of the plate bodies being positioned in both the first open channel and second open channel has an open hole, for containing both of the first side wing part, and the second side wing part, and a guided channel that is positioned on the second side of the open hole. The isolating bodies being annular in shape and being positioned in between the first plate bodies and the second plate bodies have a through hole corresponding to the open hole for containing the first side wing part and the second side wing part. | 08-21-2014 |
20140320253 | TRANSFORMER-CORE - A transformer core is disclosed, which can include at least three hollow-cylindrical rectangular shaped core-discs wound from a magnetic band-like material, wherein two opposed limb areas and an upper and lower yoke area can be formed along a circumferential path. The core-discs can include one first and at least one second slanted area parallel to the circumferential path in the belonging limb area. The at least three core-discs can be connected according to a polygonal layout at their first slanted areas, which can be arranged adjacently face to face. Conical shaped polygonal adapter plates fitted to the polygonal layout within the upper and lower yoke areas, which can be clamped together. | 10-30-2014 |
20150061815 | PLANAR INDUCTORS WITH CLOSED MAGNETIC LOOPS - A planar closed-magnetic-loop inductor and a method of fabricating the inductor are described. The inductor includes a first material comprising a cross-sectional shape including at least four segments, at least one of the at least four segments including a first edge and a second edge on opposite sides of an axial line through the at least one of the at least four segments. The first edge and the second edge are not parallel. | 03-05-2015 |
20150061816 | MAGNETIC COMPOSITION AND MULTILAYER ELECTRONIC COMPONENT MANUFACTURED BY USING THE SAME - There are provided a magnetic composition including a glass component capable of not reacting with a ferrite grain but being uniformly distributed only in a grain boundary, instead of using an existing glass component, thereby achieving improved permeability, specific resistance and high frequency specific resistance, and a multilayer electronic component manufactured by using the same. | 03-05-2015 |
20150070125 | INTEGRAL INDUCTOR ARRANGEMENT - The disclosure relates to an integral inductor arrangement with at least three magnetic loops arranged side by side to each other in a row and at least one winding associated with each of the magnetic loops. The magnetic loops are formed by individual core elements, each of which being part of one of the magnetic loops, and shared core elements, each of which being part of two adjacent of the magnetic loops. The shared core elements are separated from the individual core elements by magnetic gaps and each of the at least one winding is arranged around one of the individual core elements. The disclosure further relates to a use of such integral inductor arrangement within a 3-phase AC-filter for a power inverter for feeding electrical power into a power grid. | 03-12-2015 |
20150084731 | PULSE TRANSFORMER - Disclosed herein is a pulse transformer that includes a drum core having a winding core portion and first and second flange portions, a plate core connected to the first and second flange portions, and a plurality of wires that are wound around the winding core portion. The first and second flange portions and the plate core are ground such that an inductance of the pulse transformer is 350 μH or more when a bias current of 8 mA is applied to the wires. | 03-26-2015 |
20150102893 | COIL PART - There is to provide a coil part capable of reducing the number of fastening means such as screws and so on required when attaching it to a substrate. A coil part includes a transformer unit and a reactor unit, wherein the transformer unit includes: a primary winding part formed by winding a flat wire around a primary side hollow part; secondary winding parts, the secondary winding part being formed by winding a flat wire around a secondary side hollow part communicating with the primary side hollow part, arranged in pairs in a state of facing one side and another side of the primary winding part respectively; and a first core inserted into the primary side hollow part and the secondary side hollow part, and the reactor unit includes: a reactor winding part formed by extending one terminal side of the flat wire constituting the secondary winding part and winding the flat wire around a reactor side hollow part; and a second core inserted into the reactor side hollow part. | 04-16-2015 |
20150137932 | SMALL SIZE AND FULLY INTEGRATED POWER CONVERTER WITH MAGNETICS ON CHIP - An integrated circuit has a semiconductor die provided in a first IC layer and an inductor fabricated on a second IC layer. The inductor may have a winding and a magnetic core, which are oriented to conduct magnetic flux in a direction parallel to a surface of a semiconductor die. The semiconductor die may have active circuit components fabricated in a first layer of the die, provided under the inductor layer. The integrated circuit may include a flux conductor provided on a side of the die opposite the first layer. PCB connections to active elements on the semiconductor die may progress through the inductor layer as necessary. | 05-21-2015 |
20150310979 | BUILDING-BLOCK-COMBINED-TYPE HIGH POWER TRANSFORMER - A building-block-combined-type high power transformer includes a plurality of identical iron core bodies, a plurality of conductive plates and a plurality of insulating plates. Each iron core body is a polygon in shape and is provided with an outer side wing and an inner side wing extending in parallel thereon, and an open channel between the outer and inner side wings. The side(s) of the iron core bodies closer to the inner side wing are partially in contact with one another to form a larger iron core structure, and the inner side wings are connected together to form a combined portion. The plurality of conductive plates are stacked in the open channels of the iron core bodies. Each conductive plate includes an opening into which the combined portion is inserted, and each opening includes a guided channel for external connection. Each guided channel is formed with a pin on either side thereof. One insulating plate is sandwiched between two conductive plates. As such, a high power transformer is formed. | 10-29-2015 |
20150364239 | FORMING AMORPHOUS METAL TRANSFORMER CORES - An annealed amorphous metallic transformer core comprising a plurality of amorphous metallic strip packets. The plurality of amorphous metallic strip packets are shaped into a metallic transformer core. The metallic transformer core comprises a back of said core, and an overlap or front of said core. A first leg of the amorphous core extends from the back of the core to the front of the core. A second leg of the amorphous core extends from the back of the core to the front of the core. A first cap is provided along at least a portion of the first leg of the amorphous core, the cap providing straightness and/or rigidity to the plurality of amorphous metallic strip packets contained within the leg of the amorphous core. | 12-17-2015 |
20150380148 | METHODS AND SYSTEMS FOR FORMING AMORPHOUS METAL TRANSFORMER CORES - An annealed amorphous metallic transformer core comprising a plurality of amorphous metallic strip packets. The plurality of amorphous metallic strip packets are shaped into a metallic transformer core. The metallic transformer core comprises a back of said core, and an overlap or front of said core. A first leg of the amorphous core extends from the back of the core to the front of the core. A second leg of the amorphous core extends from the back of the core to the front of the core. A first cap is provided along at least a portion of the first leg of the amorphous core, the cap providing straightness and/or rigidity to the plurality of amorphous metallic strip packets contained within the leg of the amorphous core. | 12-31-2015 |
20160012955 | STACKED INDUCTOR | 01-14-2016 |
20160012959 | LINEAR ELECTROMAGNETIC DEVICE | 01-14-2016 |
20160042851 | STATIONARY INDUCTION ELECTRIC APPARATUS - An iron core is configured as a winding iron core block group that is obtained in such a manner that winding iron core blocks having rectangular cross-sections each of which is obtained by laminating magnetic metal ribbons with a predetermined width and which have plural widths and laminated thicknesses are arranged in the width direction of the magnetic metal ribbons. The laminated thickness of the winding iron core block located in the middle of the width direction of the magnetic metal ribbons is larger, and the cross-section of each iron core leg is configured substantially in a circular shape by centering the winding iron core blocks in the laminated direction of the magnetic metal ribbons. Upper and lower yokes are arranged in such a manner that the bottom faces of the winding iron core blocks are aligned, and an in-window support member supports the upper yoke on a plane. | 02-11-2016 |
20160086706 | AMORPHOUS ALLOY TRANSFORMER IRON CORE OF THREE-DIMENSIONAL TRIANGLE STRUCTURE - An amorphous alloy transformer iron core of a three-dimensional triangle structure belongs to the technical field of electrical devices. The amorphous alloy transformer iron core of the three-dimensional triangle structure is formed by piecing three identical rectangular single frames whose sections are approximately semicircular. A manufacturing method thereof comprises steps of cutting, winding, assembling, annealing and molding. The amorphous alloy transformer iron core of the three-dimensional triangle structure has the advantages of saving materials, reducing loss and noise, balancing three phases, enabling coils not to be sleeved, and being stable in performance and strong in anti-short circuit capacity. | 03-24-2016 |
20160099099 | VARIABLE COUPLED INDUCTOR - A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion. | 04-07-2016 |
20160111207 | WIRELESS POWER CONNECTOR AND WIRELESS POWER CONNECTOR SYSTEM - The invention relates to a wireless power connector and a wireless power connector system including at least one wireless power connector for contactless receiving electric power from a second connector and for contactless supplying electric power to a third connector. In order to enable the wireless power connector to inductively forward electric power received from the second connector, the invention suggest providing a first and a second mating end respectively connectable to the second and the third connector and a magnetic core extending between the first and the second mating end. A coil is wound around the magnetic core and configured to output, as an alternating current, at least parts of the electric power received from the second connector. The magnetic core interconnects the first and the second mating end such that, in a connected state, the magnetic core inductively forwards electric power to the third connector. | 04-21-2016 |
20160133367 | METHODS AND SYSTEMS FOR FABRICATING AMORPHOUS RIBBON ASSEMBLY COMPONENTS FOR STACKED TRANSFORMER CORES - An amorphous ribbon assembly component for use with an amorphous metallic transformer core. The assembly component comprising a first collection of pre-annealed amorphous metal ribbons, and an amount of a first stacking material provided between a first amorphous metal ribbon in the first collection of pre-annealed amorphous metal ribbons and a second amorphous metal ribbon in the first collection of pre-annealed amorphous metal ribbons. The second amorphous metal ribbon residing adjacent the first amorphous metal ribbon. The amount of the stacking material defines a predefined stacking factor of an overall stacking height defined by the assembly component. The assembly component may comprise a transformer yoke portion, such as a transformer upper yoke portion. | 05-12-2016 |
20160163438 | ELECTRONIC COMPONENT - An electronic component includes a magnetic body having internal coil patterns. The magnetic body includes a core part including the internal coil patterns; and upper and lower cover parts disposed above and below the core part, respectively. Magnetic wires are disposed in the core part, and magnetic plates are disposed in the upper and lower cover parts. | 06-09-2016 |
20160189847 | NOVEL CONSTRUCTION OF DOUBLE GAP INDUCTOR - A low loss power inductor core and method for making same. The magnetic core includes an outer portion formed as a closed loop from multiple magnetic core pieces, and inner portion disposed within the closed loop. Non-magnetic spacers at opposing ends of the inner core portion position and secure the inner core portion between mutually opposed inner sides of the closed loop. | 06-30-2016 |
20160203902 | Fe-BASED AMORPHOUS TRANSFORMER MAGNETIC CORE, PRODUCTION METHOD THEREFOR, AND TRANSFORMER | 07-14-2016 |
20190148057 | INDUCTOR | 05-16-2019 |