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US20120243268 Transformers and Methods For Constructing Transformers  
Transformers and methods of constructing transformers are disclosed. In one embodiment, a method of constructing a transformer includes wrapping a first primary winding around a core, wrapping a...
US20130206847 COMPOSITE MAGNETIC ANTENNA AND RF TAG, AND METAL PART AND METAL TOOL ON WHICH THE COMPOSITE MAGNETIC ANTENNA OR RF TAG IS INSTALLED  
The present invention relates to a composite magnetic antenna for information communication utilizing a magnetic field component as well as a composite RF tag using the composite magnetic antenna,...
US20110148433 HIGH-VOLTAGE TRANSFORMER  
A high-voltage transformer for providing an alternating voltage in the kV range, comprising at least one secondary winding wound on a coil carrying body surrounding a transformer core, and an...
US20140035710 FLUID INSULATED HIGH VOLTAGE COIL  
Exemplary embodiments include a fluid insulated high voltage coil having closed tank for an insulation fluid and a high voltage coil arranged therein with at least two taps. An insulation tube...
US20110038190 CONTROLLED CONTACTLESS POWER TRANSMISSION  
An inductive coupled power transmission circuit has a rotating transformer, including an AC voltage supply for feeding an AC voltage via a series capacitor into the primary winding of said...
US20120182112 TRANSFORMER  
An improved transformer is disclosed. The transformer of the present invention includes a main body. The main body has a primary winding partition, several secondary winding partitions and two end...
US20110109420 Transformer Winding And A Method Of Reinforcing A Transformer Winding  
A transformer winding having a conductor wound in a plurality of turns is disclosed, wherein the transformer winding includes a reinforcing part arranged at a winding transition in a manner so...
US20110215893 PLANAR AUDIO AMPLIFIER OUTPUT INDUCTOR WITH CURRENT SENSE  
An audio amplifier, that includes a planar inductor structure that includes a first plurality of windings, formed on layers of a first circuit board and a second plurality of windings, formed on...
US20130321116 INTEGRATED CIRCUIT BASED TRANSFORMER  
An integrated circuit based transformer, comprising: a primary winding located in a winding layer, the primary winding having two primary terminals at a first side of the transformer; a secondary...
US20090160580 COIL LEADING STRUCTURE AND FILTER THEREOF  
A filter includes a coil leading structure and at least one coil. The coil leading structure includes a board and at least one pin. The pin is disposed at a side of the board and formed integrally...
US20130314199 TRANSFORMER  
An electromagnetic shield includes a plurality of magnetic thin plates stacked on each other, a pair of metal plates sandwiching the plurality of magnetic thin plates, and a plurality of seat...
US20090072940 SYSTEM FOR PREVENTING RUPTURE OF TRANSFORMER TANK  
Disclosed herein is a rupture prevention system, which increases a limit of the deformation of a transformer tank, thus primarily preventing a sudden rise in pressure, and which increases the...
US20120229244 DUST CORE AND METHOD FOR PRODUCING THE SAME  
There are provided a dust core in which, even if the surface of a heat-treated compact is ground, the insulation between soft magnetic particles on the ground surface can be ensured in the...
US20120326829 TRANSFORMER  
A transformer includes: a core assembly 1 composed of a pair of E-shaped cores 11, 12 each having two side leg portions 1a, 1b and a central leg portion 1c therebetween, end surfaces of the...
US20120242445 INTEGRATED REACTANCE MODULE  
The invention relates to an integrated reactance module comprising a magnetic core and a plurality of windings of reactance elements. It has at least two windings of reactance elements (L1), (L2)...
US20140145519 HIGH-EFFICIENCY, ENERGY-SAVING DEVICE FOR INSERTING BETWEEN A POWER SOURCE AND A MOTIVE AND/OR LIGHTING POWER LOAD  
An energy-saving device (1) inserted between a three-phase power supply (A) and a three-phase load (L), includes a three-phase electrical transformer (10), each phase of which includes a...
US20110193668 TRANSFORMER AND TRANSFORMER ASSEMBLY  
A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux, at least a portion of the core being installed on the PCB in a penetrating...
US20110115599 WINDING INDUCTOR AND PROCESS FOR MANUFACTURING THE SAME  
The present invention provides an inductor having high DC bias characteristics using a Fe alloy core and provides a method for manufacturing the same. The present invention relates to a wire-wound...
US20120092109 TRANSFORMER COIL AND TRANSFORMER WITH PASSIVE COOLING  
The disclosure relates to a transformer coil which can be cooled by a heat pipe and has a primary winding and a secondary winding and relates to a transformer which is formed from transformer...
US20080197952 Three-phase Transformer  
The present invention relates to a transformer, and more especially to provides a three-phase transformer. The three-phase transformer includes three single-phase transformers; each single-phase...
US20100295645 Transformer Arrangement  
A transformer arrangement comprising a transformer having a neutral and formed as a symmetrical transformer, in particular a cage transformer and having a reactor coil connected to the neutral of...
US20050248430 Current transformer with rogowski type windings, comprising an association of partial circuits forming a complete circuit  
The current transformer comprises at least two partial circuits (CBn) each comprising a Rogowski type winding (Cn), each of said the partial circuits being made in the form of an angular portion...
US20140176273 TAP CHANGER HAVING A VACUUM INTERRUPTER ASSEMBLY WITH AN IMPROVED DAMPER  
An on-load tap changer is provided having a vacuum interrupter that is actuated by a shaft of an actuation assembly. A damper dampens the movement of the shaft. The damper provides more dampening...
US20150070124 SOFT MAGNETIC CORE WITH POSITION-DEPENDENT PERMEABILITY  
Soft magnetic core, in which permeabilities that occur at least two different locations of the core are different.
US20100315187 METHOD FOR POWERING A MAGNETIC COUPLER AND DEVICE FOR POWERING AN ELECTRIC DIPOLE  
A method for powering a magnetic coupler, in which: a) each winding of a first magnetic elementary cell is powered such as to produce a magnetizing flux in a bar of the first cell which is joined...
US20130175664 Power Management Module and Method of Manufacture  
A power management module, provides an inductor including one or more electrical conductors disposed around a ferromagnetic ceramic element including one or more metal oxides having fluctuations...
US20090079532 Composite Magnetic Core Construction  
A composite magnetic core construction to replace conventional magnetic core construction for transformers, inductors, motors, generators, relays, solenoids, and delay lines. The composite core...
US20110121932 Combination Wire Connector And Current Transformer  
A transformer assembly for mounting a current transformer to an electrical apparatus. The generally toroidal current transformer senses electrical current in conductors of the electrical apparatus...
US20100328007 INDUCTOR AND METHOD FOR PRODUCTION OF AN INDUCTOR CORE UNIT FOR AN INDUCTOR  
An inductor may include an electrical conductor for generating a magnetic field; and at least one inductor core unit which is arranged in the region of the conductor and includes an inductor core...
US20140333405 COMPOSITE FERRITE COMPOSITION AND ELECTRONIC DEVICE  
A composite ferrite composition comprises a magnetic material and a non-magnetic material. A mixing ratio of said magnetic material and said non-magnetic material is 20 wt %:80 wt % to 80 wt %:20...
US20070018771 Inductive-system  
Inductive-systems (1,2) comprising a first part in the form of a printed coil (11,21) and a second part in the form of a non-printed coil (12,22) coupled serially to each other may have a...
US20110084680 Transformer based voltage combiner with inductive shunt  
In accordance with the invention there is also provided a voltage combiner (200) comprising: a transformer (104) having a first (108) and second (110) winding each having a first and second tap;...
US20090230810 Cassette Coil and Rotating Electrical Machine Having the Cassette Coil  
A cassette coil comprising an insulator bobbin including a core tube around which a wire coated with an insulating film is wound, forming a coil, and a pair of plate-shaped flanges provided at...
US20120280777 EASILY INSTALLED ROTARY TRANSFORMER  
A rotary transformer configured to be installed about a rotatably movable shaft, the rotary transformer including, an annular inner core and an annular outer core for transmitting electrical...
US20090040002 Iron Core, Mold and Method of Forming and Laminating the Same  
An iron core built in a transformer, a rectifier, a stabilizer, a lamp, and others is disclosed. When the iron core is formed, an E-shaped iron core and a pair of ⊂-shaped iron cores, which are...
US20130043964 High-Frequency Transformer  
A high-frequency transformer includes a plurality of cores having a central leg, the cores being arranged to form core windows that are separated by the central legs. A primary winding has a...
US20050088268 Silicon steel structure  
An improved silicon steel structure is disclosed, which has an interior ring, an exterior ring concentrically arranged with the interior ring, a plurality of radially extending support bridges...
US20140191835 MAGNETIC MATERIAL AND COIL COMPONENT EMPLOYING SAME  
A magnetic material is constituted by a grain compact formed by compacting multiple metal grains that in turn are constituted by an Fe—Si-M soft magnetic alloy (where M is a metal element that...
US20130069754 LAMINATED COIL  
A laminated coil includes a plurality of circular conductive plates in the form of a flat plate, each of the circular conductive plates being laminated via an insulating material in an axis...
US20140240063 TRANSFORMER AND ELECTRICAL CIRCUIT  
A transformer is provided. The transformer includes at least one first primary turn; at least one second primary turn; and a first secondary turn and a second secondary turn. The first secondary...
US20140154920 CHOKE COIL DEVICES AND METHODS OF MAKING AND USING THE SAME  
A chip choke assembly which reduces the loss of magnetic flux from the underlying core portions. In one embodiment, this reduction is achieved by producing a chip choke assembly comprised of two...
US20080204179 COOLING DEVICE FOR ARRANGEMENT BETWEEN TWO GRADIENT COIL WINDINGS OF A GRADIENT COIL  
In a cooling device for arrangement between two gradient coil windings of a gradient coil for dissipation of the heat (arising upon feeding current to the gradient coil windings) by means of a...
US20090302986 Minimal-length windings for reduction of copper power losses in magnetic elements  
The present invention discloses means for reducing copper power losses in windings of magnetic elements by minimizing their length. This is achieved by winding a continuous copper foil of a...
US20140062639 Surface-Mount Inductor  
[TECHNICAL PROBLEM] Present invention provides a surface-mount inductor allowing the Q to be improved at a higher frequency and preventing the efficiency of the inductor from getting worse even at...
US20090066453 CHOKE OF ELECTRIC DEVICE  
The present invention relates to a choke (1) of an electrical device, comprising at least one conductor (2, 3) wound into a coil having separate turns of the conductor wound on top of one another,...
US20150084731 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...
US20110210812 HOLDING DEVICE FOR A CAST RESIN TRANSFORMER WINDING  
A holding device for fastening a cast resin transformer winding relative to a transformer core has a support element and a receiving element attached to a tie rod. By fastening the support element...
US20120098632 Core and Coil Construction for Multi-Winding Magnetic Structures  
Multi-winding magnetic structures and methods of making multi-winding magnetic structures are disclosed. In one embodiment, a multi-winding magnetic structure includes a core constructed of a...
US20110037553 HIGH VOLTAGE TRANSFORMER WITH SPACE-SAVING PRIMARY WINDINGS  
A high voltage transformer is described with an elongate core (38) out of a ferromagnetic material. A transformer frame (36) out of plastic material has segment walls (40) arranged perpendicular...
US20110221555 ELECTRICAL ASSEMBLY AND METHOD FOR MAKING THE SAME  
An electrical assembly for use with a rotary transformer is provided. The electrical assembly includes a assembly structure having a first flange positioned proximate a first end portion of the...