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US20120293290 |
COOLING STRUCTURE FOR MAGNET-EQUIPPED REACTOR
A cooling structure for a magnet-equipped reactor includes: a magnet-equipped reactor having a core around which a coil is wound, and a magnet arranged to contact the core; and a cooling member...
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US20090045885 |
PASSIVE STRUCTURE FOR HIGH POWER AND LOW LOSS APPLICATIONS
An integrated circuit radio transceiver and method therefor includes a balun formed to have interleaved traces which is operable to satisfy high current density requirements while reducing...
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US20090115403 |
Split core status indicator
The size of a status indicator for monitoring a current in a power cable is reduced by integrating a bobbin for the secondary winding with a current transformer core and integrating a circuit board...
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US20110043312 |
OUTDOOR DRY TRANSFORMER HAVING SHIELD MADE OF HIGH FUNCTIONAL FIBER
An outdoor dry transformer having a shield made of a high functional fiber. The transformer includes a transformer body having a core and first and second coils wound on the core; a shield...
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US20110163729 |
Resonant transformer systems and methods of use
Resonant transformer systems and methods of use are described. One aspect may include a primary winding, a secondary winding, and at least one output winding. In further aspects, a transformer may...
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US20110278947 |
ANTENNA DEVICE, TRANSPONDER READER, INDUCTION COOKER
An antenna device has an inductive transmitting antenna having a main radiation direction, a plurality of spaced apart, adjacent conductors and a reference potential terminal. The plurality of...
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US20080157915 |
Flame retardant, electrically-conductive pressure sensitive adhesive materials and methods of making the same
Halogen-free, flame retardant, electrically-conductive adhesive materials are disclosed herein, which may be suitable for use with electromagnetic interference shielding devices. In one embodiment...
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US20120256718 |
Inductor Construction for Power Conversion Module
Unique methods are described to construct an inductor in the form of a tray. The basic inductor consists of a ferromagnetic core with a cavity and a completely or partially embedded winding...
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US20120249280 |
POWER CONVERTER USING SOFT COMPOSITE MAGNETIC STRUCTURE
A power conversion device includes a magnetic core; and a plurality of windings surrounding portions of the magnetic core, including a first winding and a second winding magnetically coupled...
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US20070035372 |
Surface mount transformer
It is intended to provide a surface mount transformer which can be mounted without affecting the configuration of the wiring pattern of a printed wiring board. For that purpose, the transformer...
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US20120139680 |
MEDIUM / HIGH VOLTAGE INDUCTOR APPARATUS AND METHOD OF USE THEREOF
The invention comprises an inductor configured for filtering medium and/or high voltage power. The inductor includes an inductor core formed of a plurality of coated magnetic particles, each of a...
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US20110227670 |
MEDIUM / HIGH VOLTAGE INDUCTOR APPARATUS AND METHOD OF USE THEREOF
The invention comprises an inductor configured for filtering medium and/or high voltage power. The inductor includes an inductor core formed of a plurality of coated magnetic particles, each of a...
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US20120119869 |
REACTOR
Provided is a reactor having a small size. A reactor 1α includes a coil 2α and a magnetic core 3α in which the coil 2α is disposed. The magnetic core 3α includes an internal core portion 3α that ...
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US20120262895 |
LOW-COST TRANSFORMER ASSEMBLY
A transformer assembly is disclosed. An example circuit board assembly includes a circuit board. A drum core inductor is also included and has a drum core, a first winding, and first and second...
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US20120146759 |
COIL PART AND METHOD FOR PRODUCING SAME
A coil component comprising a first split magnetic core and a second split magnetic core, each having an outer core leg, an inner core leg and a back yoke connecting the outer core leg and the...
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US20100039201 |
CHOKE DEVICE FOR FREQUENCY CONVERTER
A choke device for a frequency converter, comprising three windings composed of conductors wound around three substantially parallel axes (A, B, C), respectively, the windings being located...
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US20120049993 |
TRANSFORMER INTEGRATED WITH INDUCTOR
Disclosed herein is a transformer integrated with an inductor. The transformer includes a transformer unit configured to perform voltage transformation by mutual induction between first and second...
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US20090219125 |
BOBBIN FOR SECONDARY WINDING OF IGNITION COIL
The present invention discloses a bobbin (300) for the secondary winding of the ignition coil of an ignition system an internal combustion engine comprising a tubular core (200) made of electrical...
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US20100085140 |
LOW-LOSS FERRITE AND ELECTRONIC DEVICE FORMED BY SUCH FERRITE
A low-loss ferrite comprising as main components 46.5-49.5% by mol of Fe2O3, 17-26% by mol of ZnO, 4-12% by mol of CuO, and 0.2% or more and less than 1.2% by mol of CoO, the balance being NiO, and...
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US20120188040 |
COIL COMPONENT
As an embodiment, a pair of first conductive films 12, 13 are formed from the side face to the bottom face of the sheet part 11a of a magnetic core 11, and one end 14b of the conductive wire of the...
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US20120032768 |
LINEAR VARIABLE DIFFERENTIAL TRANSFORMERS
Linear variable differential transformers include a core comprising a non-ferromagnetic material and a ferromagnetic material, and a coil assembly including an axial bore within which the core is...
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US20120223798 |
Partial conformal coating of electronic ceramic component and method making the same
A partial conformal coating covers the ceramic portion of leadless type electroceramic component but not the metalized terminals to improve the surface condition without altering the solderability...
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US20060290456 |
Intermediate frequency transformer
Disclosed is an intermediate frequency transformer (IFT) with improved reliability, including a bobbin around which a coil is wound and a plurality of pins are arranged on the lower portion, and a...
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US20070090910 |
Wire-stacked transformer
A wire-stacked transformer has a first loop supplied with electric power and built with one or more metal plates forming a magnetic field, a second loop disposed in a concentric circle with the...
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US20100097171 |
SOFT MAGNETIC ALLOY, MAGNETIC COMPONENT USING THE SAME, AND THIER PRODUCTION METHODS
A soft magnetic alloy contains P, B, and Cu as essential components. As a preferred example, an Fe-based alloy contains Fe of 70 atomic % or more, B of 5 atomic % to 25 atomic %, Cu of 1.5 atomic %...
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US20120056702 |
VOLTAGE/CURRENT TRANSFORMER AND ITS MANUFACTURING PROCEDURE
A measurement and protection transformer for high, medium and low voltages, of the type having a magnetic core, together with primary and secondary windings. All these elements are exteriorly...
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US20060132273 |
Inverter trasformer
In an inverter transformer, a primary winding and a secondary winding are wound around each of two bar-shaped magnetic cores, and a magnetic resin covers all or some portions, including at least...
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US20110273259 |
DRY-TYPE TRANSFORMER
A dry-type transformer includes at least one high-voltage winding and one low-voltage winding. The windings are operatively connected to one another by an electromagnetic field, and each winding is...
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US20080164967 |
INDUCTANCE ELEMENT
An inductance element includes: a first conductor formed into a rectangle spiral shape; and a second conductor formed into a rectangle spiral shape corresponding to the first conductor and provided...
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US20100060403 |
DUAL INDUCTANCE STRUCTURE
A dual inductance structure including a substrate, a first inductance element, a second inductance element and a grounding element is provided. The substrate has a layout layer and a grounding...
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US20110242720 |
MAGNETIC CORE COUPLING IN A CURRENT TRANSFORMER WITH INTEGRATED MAGNETIC ACTUATOR
A system comprising a magnetic actuator, a current transformer and operational electronics in a dual-coil circuit breaker. The system includes an inline, but non concentric, implementation of the...
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US20120133469 |
TRANSFORMER
A transformer that improves the DC superposition characteristic without incurring eddy-current losses. In the transformer, a part of a plate-like core opposing a top face of a flange of a drum core...
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US20060164199 |
Network appliance for securely quarantining a node on a network
An apparatus, system, and method for managing dynamic network access control. The invention provides services and controlled network access that includes quarantining nodes so that they may be...
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US20110037556 |
PRINTED CIRCUIT BOARD
A printed circuit board includes a first layer, a second layer, a number of vias each passing through the first and second layers, and a number of transmission lines. Each transmission line is...
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US20120049992 |
Ferromagnetic amorphous alloy ribbon and fabrication thereof
A ferromagnetic amorphous alloy ribbon includes an alloy having a composition represented by FeaSibBcCd where 80.5≦a≦83 at. %, 0.5≦b≦6 at. %, 12≦c≦16.5 at. %, 0.01≦d≦1 at. % with a+b+c+d=100 and...
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US20110241816 |
PLANAR TRANSFORMER AND METHOD OF MANUFACTURING THE SAME
There are is a planar transformer and a method of manufacturing the same that can prevent resin being coated from being separated from a conductor during the manufacturing of a transformer by...
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US20120154091 |
INTEGRATED ELECTROMAGNETIC INTERFERENCE FILTER
Disclosed is an integrated electromagnetic interference filter capable of providing a leakage inductance sufficient to filter the differential mode electromagnetic interference by integrating four...
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US20110148556 |
POWER QUALITY IMPROVEMENT DEVICE AND POWER SUPPLY SYSTEM
The present invention relates to a power quality improvement device. The power quality improvement device is provided in the form of an autotransformer which comprises an iron core having first,...
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US20110199175 |
Inductor
Two conducting wires are used in one embodiment of an inductor. Opposite ends of each of the conducting wires are connected to leader lines (terminals) shared by the conducting wires. Each of the...
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US20120075047 |
TRANSFORMER CORE
A transformer core for a power transformer, and a power transformer including such a transformer core are provided. The transformer core includes at least two transformer core laminations which are...
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US20080061919 |
Insulators for transformers
The invention provides discrete insulators for an electrical transformer, made of thermotropic liquid crystalline polymer (LCP).
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US20090167478 |
DEVICE FOR IMPROVING EDDY CURRENT LOSS OF TRANSFORMER AND CONTROLLING METHOD THEREOF
The configurations of a device diminishing the eddy current loss for a transformer having a gap are provided in the present invention. The proposed device includes a conductive case having an eddy...
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US20130076389 |
CURRENT TRANSFORMER ASSEMBLY FOR USE WITH ELECTRICAL MONITORING SYSTEMS AND METHODS OF ASSEMBLING SAME
A current transformer assembly for use in an electrical monitoring system is described herein. The current transformer assembly includes a housing including a plurality of shielding members that at...
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US20110121933 |
Leading-Out Device of Reactor Coil and Iron Core Reactor Comprising It
A leading-out device of a reactor is directly connected to an active part of the reactor and comprises an U-shaped insulating plate, a metal voltage-sharing shield insulating layer covering outside...
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US20130027162 |
Miniature Neutral Toroidal Current Transformer
A toroidal current transformer that can be used as a neutral current transformer in a single or three phase system as a result of its compactness is described. The core is made of ferromagnetic...
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US20130027112 |
INDUCTOR
This invention relates to an inductor, more particularly, to an inductor with variable inductances.
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US20120139685 |
INDUCTOR WITH THERMALLY STABLE RESISTANCE
An inductor includes an inductor body having a top surface and a first and second opposite end surfaces. There is a void through the inductor body between the first and second opposite end...
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US20120280780 |
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....
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US20100265029 |
WINDING STRUCTURE FOR A TRANSFORMER AND WINDING
A winding structure adapted for a transformer and a winding are provided. The winding structure comprises a first conductive disk, a second conductive disk, a connecting part, and an insulation...
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US20090039996 |
COIL BUS TRANSFORMER AND A METHOD OF MANUFACTURING THE SAME
The invention is directed to a transformer and a method of manufacturing the same. The transformer has high and low voltage coils mounted to legs of a core. Each low voltage coil includes conductor...
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