Sign up


Match Document Document Title
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 of...
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 in...
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 both...
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 energy...
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 a...
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 o...
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 or...
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 portions,...
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 to...
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...
US20060119459 Ignition coil with case made from impregnated mica tube  
An ignition coil assembly includes a cylindrical central core having a main axis, a primary winding outwardly of the central core, a secondary winding outwardly of the primary winding, and a case...
US20110148563 PLANAR TRANSFORMER AND WINDING ARRANGEMENT SYSTEM BACKGROUND  
A winding arrangement system of a planar transformer includes a primary winding arranges on a number of first circuit layers of a printed circuit board (PCB), and two secondary winding arranged on...
US20140266434 CIRCUITS FOR AND METHODS OF IMPLEMENTING A GAIN STAGE IN AN INTEGRATED CIRCUIT  
A circuit for implementing a gain stage in an integrated circuit is described. The circuit comprises a first inductor formed in a first plurality of metal layers; a second inductor formed in a...
US20140184377 INDUCTOR  
Disclosed herein is an inductor including: a substrate; an insulating part provided on the substrate; and a conductive pattern part provided in the insulating part, wherein the insulating part...
US20120194309 MAGNETIC POWDER MATERIAL, LOW-LOSS COMPOSITE MAGNETIC MATERIAL CONTAINING SAME, AND MAGNETIC ELEMENT USING SAME  
The present invention provides a material which can be used for low pressure molding, and which has a low core loss while maintaining the characteristic of an amorphous powder that is the high...
US20140111273 INDUCTOR WITH CONDUCTIVE TRACE  
Among other things, an inductor comprising a conductive trace and a method for forming the inductor are provided. The inductor comprises a magnetic structure, such as a ferrite core. A molding...
US20140292463 Transformer Device  
A transformer device is disclosed in which a transformer module includes a first transformer unit disposed on a PCB and having a plurality of first pins and a plurality of second pins, and a second...
US20110074533 Center Tapped Transformers for Isolated Power Converters  
A cost effective solution for construction of high frequency, double ended, isolated, push pull, center tapped power transformers operating in continuous/discontinuous mode with minimized winding...
US20120146756 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...
US20130141199 Split-Winding Integrated Magnetic Structure  
In one embodiment the invention describes an integrated magnetic structure, for use in a transformer coupled buck and/or boost converter, comprising a core having at least one leg portion and at...
US20120249107 COUPLED INDUCTOR TO FACILITATE INTEGRATED POWER DELIVERY  
An embodiment of the present invention provides an apparatus, comprising a surface mounted device (SMD) inductor, the SMD inductor including at least two counter wound aircoils formed on a same SMD...
US20130162381 OIL IMMERSED STEREO WOUND-CORE AMORPHOUS ALLOY TRANSFORMER  
An oil immersed stereo wound-core amorphous alloy transformer, comprising an iron core, a high-low voltage winding, leads and a tank. The core comprises three single frames made of amorphous alloy...
US20130106555 Amorphous Core Transformer  
In an amorphous core transformer, an amorphous core is constructed such that, when a plurality of kinds of amorphous magnetic strips having different widths are arranged in abutting relation and...
US20110006755 HIGH SENSITIVITY DIFFERENTIAL CURRENT TRANSFORMER FOR INSULATION HEALTH MONITORING  
A current transformer is provided. The current transformer comprises an inner magnetic core having a central opening, an outer sense core circumscribing the inner magnetic core, at least one pair...
US20080079526 LIGHT TUBE DRIVING CIRCUIT AND TRANSFORMER THEREOF  
A transformer includes a bobbin, a primary coil, a first secondary coil, a first core, a second core and a third core. The bobbin has a through hole. The primary coil and the first secondary coil...
US20120280781 METHOD OF MAKING A CONTROLLED SEAM LAMINATED MAGNETIC CORE FOR HIGH FREQUENCY ON-CHIP POWER INDUCTORS  
A controlled seam magnetic core lamination utilizable in an inductor structure includes a magnetic base and first and second spaced-apart magnetic sidewalls extending substantially orthogonally...
US20120013429 MULTILAYER INDUCTOR AND METHOD OF MANUFACTURING THE SAME  
Provided is a multilayer inductor and a method of manufacturing the same. The multilayer inductor includes a plurality of deposited ferrite sheets, a coil part constituted by a plurality of...
US20070279173 Measurement transmitter  
The invention relates to a measurement transmitter for operation in a process plant. The enclosure of the measurement transmitter comprises two mutually separate containers (11, 12), where the...
US20130328652 THREE-STEP CORE FOR A NON-LINEAR TRANSFORMER  
A three step non-linear transformer core is formed from three sections of laminations each having different widths and cross-sectional areas. A first section of laminations is formed by...