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US20110227686 TRANSFORMER ASSEMBLY  
A transformer assembly is disclosed which includes a housing and an electrical transformer having a tank which is positioned inside the housing. A device for electrically connecting the...
US20140085029 LAMINATED "Y"-CORE TRANSFORMER  
A “Y”-shaped transformer includes a “Y” shaped magnetic core that includes a top portion and a bottom portion. The top portion and the bottom portion both include a plurality of “Y”-shaped...
US20120206060 INDUCTIVE ELECTRONIC MODULE AND USE THEREOF  
An inductive electronic module, comprising a core element having an inner limb (12; 29a) and at least two lateral limbs (14, 16; 33a, 35a; 37a, 39a) associated the inner limb on both sides, the...
US20130328655 TRANSFORMER WITH PLANAR PRIMARY WINDING  
A transformer, such as a current sense transformer, in which conductive traces disposed within a printed circuit board serve as the primary winding of the transformer. The transformer also...
US20120194403 Integrated Transformer with Multiple Transformation Ratios  
The invention proposes a radio frequency circuit which comprises a transformer with a first primary circuit, a second primary circuit, and a secondary circuit, the secondary circuit comprising an...
US20130038415 REACTOR  
A reactor including an assembly of a coil, a magnetic core on which the coil is disposed, and a case that houses the assembly. The case includes an installation face, a side wall that is removably...
US20120007706 High Voltage Transformer  
A high voltage transformer for cascade coupling wherein the high voltage transformer comprises a primary winding, a high voltage winding and a transformer core, and wherein the primary and high...
US20110248808 OUTDOOR DRY-TYPE TRANSFORMER  
A three-phase dry distribution transformer adapted for mounting outdoors on a pad or to a utility pole. The distribution transformer includes one or more winding assemblies mounted to a...
US20100225432 TRANSFORMER ASSEMBLY  
A transformer assembly is provided. The transformer assembly comprises a plurality of transformers. The plurality of transformers is parallel and electrically connected. Each of the transformers...
US20140333399 PSEUDO MECHANICAL ENERGY GENERATOR  
An electrical generator including a ring shaped coil and a plurality of magnets attached to the ring shaped coil. The magnets may be operatively connected to a power supply. A controller may be...
US20110102121 SHEET TRANSFORMER FOR DC/DC CONVERTER  
A sheet transformer includes a first core having central and lateral legs penetrating a coil on a circuit board, a plate-shaped second core positioned on an end of the first core, the cores being...
US20130106559 METHOD OF REDUCING AUDIBLE NOISE IN MAGNETIC CORES AND MAGNETIC CORES HAVING REDUCED AUDIBLE NOISE  
An amorphous alloy-based magnetic core with reduced audible noise and a method of making the amorphous alloy-based magnetic core emanating low audible noise, including: placing the core with...
US20120154094 TERMINAL ASSEMBLY FOR TRANSFORMER AND TRANSFORMER WITH TERMINAL ASSEMBLY  
The invention relates to a terminal assembly (10, 10′, 10″) for establishing electrical connection between at least one low voltage side coil terminal of a transformer (100) and at least one...
US20120299684 TRANSFORMER WITH LOW EDDY CURRENT AND MAGNETIC HYSTERESIS LOSS AND MANUFACTURING METHOD THEREOF  
The present invention relates to a transformer with a low eddy current and magnetic hysteresis loss and a manufacturing method thereof. The transformer with the low eddy current and magnetic...
US20110260824 TRANSFORMER  
A transformer assembly. In some embodiments, the transformer assembly comprises a transformer, comprising a magnetic core; a primary winding wound around the magnetic core, wherein the primary...
US20140139312 INSULATION RESISTANT TO DRY BAND ARCING  
A composition for insulating a component may include between about 80 and about 99 percent by volume of a non-silicone-based insulating resin. The composition may also include between about 1 and...
US20130162386 CORROSION-RESISTANT COATING SYSTEM FOR A DRY-TYPE TRANSFORMER CORE  
A protective coating system for application to exposed surfaces of a transformer core prevents corrosion of the core. The protective coating is suitable for use in industrial and marine...
US20080238600 Method of producing a multi-turn coil from folded flexible circuitry  
A multi-turn coil device comprising a flexible circuit board and a plurality of serially electrically coupled coils coupled to both sides of the flexible circuit board. The coils are formed such...
US20150162127 TRANSFORMER USED FOR STORING AND FILTERING  
A multi-phase stray field transformer used for storing energy and filtering currents with a number of 2*n+1 phases, wherein “n” represents a natural number, comprising a core (11, 12, 13, 14) with...
US20130181804 IRON-BASED SOFT MAGNETIC POWDER AND PRODUCTION METHOD THEREOF  
Disclosed is an iron-based soft magnetic powder obtained by preparing an iron-oxide-based soft magnetic powder through water atomization, and thermally reducing the iron-oxide-based soft magnetic...
US20130076476 POWER SUPPLY IMPROVEMENTS  
A power supply apparatus which includes a transformer having a primary winding and a secondary winding, whereby magnetic flux generated by a varying primary voltage applied to the primary winding...
US20130300526 COOLING SYSTEM FOR DRY TRANSFORMERS  
The disclosure is related to a dry transformer, which includes a transformer core with at least two parallel limbs and upper and lower yokes, and at least two hollow cylindrical coils, each...
US20150042438 TUNABLE THREE DIMENSIONAL INDUCTOR  
A tunable three-dimensional (3D) inductor comprises a plurality of vias arranged with spacing among them, a plurality of interconnects in a metal layer, wherein the plurality of interconnects...
US20140028543 COMPLEX PASSIVE DESIGN WITH SPECIAL VIA IMPLEMENTATION  
This disclosure provides systems, methods and apparatus for vias in an integrated circuit structure such as a passive device. In one aspect, an integrated passive device includes a first...
US20120274430 HEAT EXCHANGER SYSTEM FOR DRY-TYPE TRANSFORMERS  
Exemplary embodiments are directed to a heat exchanger system for transformers or reactors having at least one coil being cooled by gaseous fluids circulating around the transformer. The system...
US20120068805 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...
US20100308948 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...
US20120092114 POWER TRANSFORMER CONDITION MONITOR  
Improvements in a power transformer condition monitor are disclosed with this application. The monitor operates with older existing transformers with and without integrated sensors and allows the...
US20150069853 INDUCTOR AND SWITCHING CIRCUIT INCLUDING THE SAME  
The present disclosure provides an inductor and a switching circuit including the inductor. The inductor at least includes a winding, and a magnetic core which includes one or more limbs and...
US20110254651 TRANSFORMER AND ELECTRONIC APPARATUS INCLUDING THE SAME  
Provided are a transformer, capable of simplifying a manufacturing process and enhancing heat dissipation characteristics and insulating characteristics by adopting a dual-bobbin structure and...
US20130300531 FE-BASED AMORPHOUS ALLOY POWDER, DUST CORE USING THE SAME, AND COIL-EMBEDDED DUST CORE  
An Fe-based amorphous alloy powder of the present invention has a composition represented by (Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit)100-αMα. In this composition, 0 at %≦a≦10 at %, 0 at %≦b≦3 at %,...
US20140049349 USE OF ALUMINA PAPER FOR STRAIN RELIEF AND ELECTRICAL INSULATION IN HIGH-TEMPERATURE COIL WINDINGS  
A coil (60). The coil (60) comprises a conductor formed in the shape of winding layers (68). The conductor comprises an insulating coating (96) surrounding a conductive core (94). The coil further...
US20140266536 FERRITE CORE WINDING STRUCTURE WITH HIGH FREQUENCY RESPONSE  
The present invention provides a ferrite core winding structure with high frequency response, which comprises: a ferrite core formed with at least a penetrated hole, a first enamel wire formed...
US20150130582 MAGNETIC SHEET HAVING WIRELESS CHARGING RADIATOR FUNCTION, METHOD OF MANUFACTURING THE SAME, AND WIRELESS CHARGING DEVICE USING THE SAME  
Since the magnetic sheet of the present invention has a much thinner thickness compared to a corresponding conventional magnetic layer and radiator coil material assembly and has no adhesive layer...
US20140266552 INTEGRATED INDUCTOR ASSEMBLIES AND METHODS OF ASSEMBLING SAME  
An integrated inductor assembly is provided. The integrated inductor assembly includes a magnetic core, a first inductor, and a second inductor. The magnetic core has a first side, an opposing...
US20120025940 COIL  
A coil is formed by coaxially winding a second winding so as to be in intimate contact with an outer circumferential portion of a first winding wound about a winding shaft axis. In the first...
US20140191839 COMPACT  
A compact 10 is obtained by compression-molding coated soft magnetic particles covered with insulating coatings, and is a modified frustum body having, as a main body, a frustum portion 113...
US20150162118 METAL POWDER CORE, COIL COMPONENT, AND FABRICATION METHOD FOR METAL POWDER CORE  
In a metal powder core constructed from soft magnetic material powder and a coil component employing this, a configuration suitable for reduction of a core loss is provided. The metal powder core...
US20140347153 POWER-ELECTRONIC-TYPE FAULT CURRENT LIMITER USING MAGNETIC TURN-OFF PRINCIPLE  
The present invention provides a fault current limiter which can reduce an abnormal current, such as a fault current, in a power system through the magnetic turn-off which increases the reactance...
US20130015933 TRANSFORMER  
A transformer includes a base, a magnetic core unit and a winding assembly. The base includes a base body and a pin disposed on the base body. The magnetic core unit is disposed in the base body,...
US20130082810 SWITCHABLE TRANSFORMER WITH EMBEDDED SWITCHES INSIDE THE WINDINGS  
A switchable transformer architecture is disclosed. The switchable transformer includes a primary winding, a secondary winding, and a tertiary winding, in which either the secondary winding or the...
US20120268229 Compact Vertical Inductors Extending in Vertical Planes  
A device includes a substrate, and a vertical inductor over the substrate. The vertical inductor includes a plurality of parts formed of metal, wherein each of the parts extends in one of a...
US20110032066 LAMINATED INDUCTOR WITH ENHANCED CURRENT ENDURANCE  
A laminated inductor includes a plurality of magnetic plates, each having a surface to which a high-permeability magnetic body is attached, and at least one spacer assembly interposed between the...
US20140218153 STEP UP OR STEP DOWN MICRO-TRANSFORMER WITH TIGHT MAGNETIC COUPLING  
A system and method for manufacturing of a micro-transformer providing direct electrical isolation between a primary winding and a secondary winding while featuring tight magnetic coupling for a...
US20110018675 SINTERED FERRITE MATERIAL, WIRE WOUND COMPONENT, AND PRODUCING METHOD OF SINTERED FERRITE MATERIAL  
A sintered ferrite material, which is obtained by adding Bi2O3 in a range from 0.5% by mass to 3% by mass against 100% by mass of a material having a composition formula of...
US20120146760 TRANSFORMER  
A transformer includes a leg iron core including a plurality of magnetic sheets stacked in one direction (Z axis direction), and a coil wound around the leg iron core. A slit is formed in at least...
US20110032069 METHOD FOR PRODUCING A TRANSFORMER CORE AND A TRANSFORMER CORE  
A method for producing a transformer core with layers of core laminations includes forming at least one core lamination of at least two segmental laminations. An end region of a first segmental...
US20130049912 THREE-PHASE LINE REACTOR WITH SKEW YOKE CORE DESIGN  
A line reactor is presented having a skewed core structure with three horizontally non-coplanar vertical legs and top and bottom laminated, interleaved yoke structures with corresponding...
US20150200047 PLANAR TRANSFORMER  
Disclosed is a planar transformer including a first planar core which is formed of a magnetic substance, a lower secondary winding which is disposed to enclose a first left sill of the first...
US20130207766 Planar Transformer  
Disclosed is a planar transformer including a first planar core which is formed of a magnetic substance, a lower secondary winding which is disposed to enclose a first left sill of the first...