Match Document Document Title
US20140035709 DRY TRANSFORMER HEATER  
A dry-type transformer heater includes a closed housing, and at least one transformer winding arranged in the housing. The at least one transformer winding includes at least one corresponding...
US20140002229 Resin-molded stereo wound-core dry-type amorphous alloy transformer  
The patent discloses a resin-molded stereo wound-core dry-type amorphous alloy transformer, belonging to the field of power equipment. The resin-molded stereo wound-core dry-type amorphous alloy...
US20110025441 INDUCTOR AND BASE THEREOF  
An inductor includes a base and a winding assembly. The base includes an outer frame, a middle part and a connecting part. The outer frame has a first upper surface. The middle part has a second...
US20130099883 REACTOR  
A reactor is provided with: a reactor core that is generally annular and that has a coil; and one of a housing and a cooler to which the reactor core, having the coil, is fixed via an adhesive...
US20100033285 Reactance ballast device  
A reactance ballast device (V), in particular for an arc furnace, has an induction coil (1) and a free-standing load stepping switch (2), with the load stepping switch (2) being designed to adjust...
US20110032062 TRANSFORMER IMPROVED IN LEAKAGE INDUCTANCE  
There is provided a transformer improved in leakage inductance including: a core having first, second and third legs electromagnetically coupled to one another; a primary winding formed of a...
US20140375407 TRANSFORMER WITH ON-LOAD TAP CHANGER  
The invention relates to a transformer with a tap changer, wherein optionally the primary or secondary side can be regulated by the tap changer, and wherein, on the side of the transformer to be...
US20130106561 AMORPHOUS ALLOY STEREO WOUND-CORE  
The invention provides an amorphous alloy stereo wound-core, comprising three structurally identical amorphous alloy made square frames; the cross section of the sides of the frames is in an...
US20140179174 FIXED TAP LOW THRESHOLD CURRENT POWER SUPPLY  
A device connectable to an electric power line conductor including an electrically conductive insulated wire wound at least twice. A first end of the wire is configured to be connected to a first...
US20100079229 PLANAR TRANSFORMER AND METHOD OF MANUFACTURING  
A planar transformer includes first and second windings that may be comprised of electrically conductive traces etched onto one or more printed circuit boards. The printed circuit boards may be...
US20110133879 STACKED INDUCTOR  
A stacked inductor with combined metal layers is represented in this invention. The stacked inductor includes: a top layer metal coil, and at least two lower layer metal coils, the metal coils...
US20110063065 INTERGRATED MAGNETIC COMPONENT  
A magnetic component, with a first and a second U/UR core (U1, U2) assembled to a first O-shaped core assembly, wherein an U/UR core has—according to its shape—a first post and a second post with...
US20130249662 PLANAR COIL ELEMENT  
In a planar coil element, the quantitative ratio of inclined particles to total particles of a first metal magnetic powder contained in a metal magnetic powder-containing resin provided in a...
US20140132384 WIREWOUND INDUCTOR OF SWITCHING POWER SUPPLY AND SWITCHING POWER SUPPLY WITH THE WIREWOUND INDUCTOR  
The present invention provides a wirewound inductor of a switching power supply and a switching power supply with the wirewound inductor. The wirewound inductor comprises a magnetic core and a...
US20140266535 LOW LOSS INDUCTOR WITH OFFSET GAP AND WINDINGS  
A low loss power inductor and method for making same. A magnetic core is constructed of one or more E-shaped and l-shaped portions. Each E-shaped portion includes top, middle and bottom bars, and...
US20130076477 Fe-GROUP-BASED SOFT MAGNETIC POWDER  
The present invention provides a Fe-group-based soft magnetic powder that is used for the pressed powder magnetic cores for a choke coil, reactor coil, etc., and that has a higher magnetic...
US20120169447 NANOCOMPOSITE POWDER FOR INNER ELECTRODE OF MULTILAYER CERAMIC ELECTRONIC DEVICE AND FABRICATING METHOD THEREOF  
There are disclosed a nanocomposite powder for an inner electrode of a multilayer ceramic electronic device and a manufacturing method thereof. The nanocomposite powder for an inner electrode of a...
US20150057158 SUPERCONDUCTING DC REACTOR  
A DC reactor consisting of a coil formed of a superconducting material is provided. It is possible to reduce leakage reactance and to increase critical current by using a coil formed of a high...
US20110309905 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.
US20140062640 Surface-Mount Inductor  
[TECHNICAL PROBLEM] The 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...
US20070296535 Inverter Transformer and Discharge Tube Drive Circuit Using the Same  
An inverter transformer to which coils for a balance transformer are integrally assembled. The inverter transformer is employed in a drive circuit for evenly driving a plurality of discharge...
US20140286068 DIFFERENTIAL MODE AND COMMON MODE CHOKE  
The invention relates to a differential mode and common mode choke comprising: a ferromagnetic core comprising three branches (1, 2, 3) extending between a bottom part (5) and a top part (4),a...
US20120299687 ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF  
An electronic device including a magnetic body and a wire is provided. The magnetic body has a first magnetic powder and a second magnetic powder mixed with the first magnetic powder. The Vicker's...
US20130201725 RESONANT CIRCUIT AND RESONANT DC/DC CONVERTER  
The present disclsure relates to a resonant circuit (20). The resonant circuit is comprises three resonant circuit input nodes (11, 12, 13) and three resonant circuit output nodes (21, 22, 23), a...
US20130026846 TRANSFORMER OF THE BALANCED-UNBALANCED TYPE  
A transformer of the balanced-unbalanced type includes a primary inductive circuit and a secondary inductive circuit housed inside an additional inductive winding connected in parallel to the...
US20090267466 PRIMARY ENCLOSURE FOR ELECTRIC POWER METERS  
A primary enclosure for electric power meters includes at least one shelf for supporting an instrument transformer. Slide mounts are mounted to the interior of the enclosure and to the shelf for...
US20100321140 LOW-LOSS FERRITE AND ELECTRONIC DEVICE FORMED BY SUCH FERRITE  
Low-loss ferrite comprising 100% by mass of main components comprising 47.1-49.3% by mol of Fe2O3, 20-26% by mol of ZnO, and 6-14% by mol of CuO, the balance being NiO, and 0.1-2% by mass (as...
US20120105187 Inductor Device  
An inductor device includes a coil, two conductive bases and a shell. The coil is located over and coupled with the two conductive bases. The shell covers the coil and exposes partial conductor...
US20110037550 SOLID INSULATION FOR FLUID-FILLED TRANSFORMER AND METHOD OF FABRICATION THEREOF  
An insulation system for a fluid-filled power transformer that allows for operation of the transformer at higher temperatures and with lowered susceptibility to aging. The insulation system...
US20140139311 MAGNETIC MATERIAL AND COIL COMPONENT USING SAME  
A magnetic material contains multiple metal grains constituted by soft magnetic alloy and oxide film formed on a surface of the metal grains, which soft magnetic alloy includes Fe and a metal...
US20110084789 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 and installed on the PCB in a penetrating manner; and a base plate electrically...
US20140009252 INDUCTOR  
An inductor includes soft magnetic alloy powder-containing resin that contains amorphous soft magnetic alloy powder, which resin is used as a sealing material that seals a coil wound around a...
US20140175898 LOW AC RESISTANCE CONDUCTOR DESIGNS  
Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of...
US20130300353 LOW AC RESISTANCE CONDUCTOR DESIGNS  
Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of...
US20120280765 Low AC resistance conductor designs  
Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of...
US20120075051 Magnetic Devices and Transformer Circuits Made Therewith  
A magnetic device producing a small amount of leakage flux and capable of substantially eliminating the amount of leakage flux that escapes the magnetic core of the device. The device includes at...
US20090237196 Method for manufacturing transformer, and transformer  
A core is configured with two O-type cores and an I-type core which is separate from the O-type cores. In a transformer comprising a core of the type, by incorporating a first O-type core, a...
US20130127576 LAMINATED INDUCTOR  
A laminated inductor offers higher magnetic permeability, high inductance, low resistance and high rated current, while also supporting downsizing of device, by using a soft magnetic alloy as the...
US20100065306 RUPTURE RESISTANT SYSTEM  
A rupture resistant system comprises a tank comprising a top member, a sidewall member, and a bottom member, and a component situated within the tank and susceptible to creating increasing...
US20140327506 OIL TRANSFORMER  
An oil transformer includes a transformer vessel, a transformer core mounted in the vessel, at least one upright hollow cylindrical transformer coil including at least one axial cooling channel...
US20110254648 MOVABLE TRANSFORMER EMBEDDED INTO AN OPENING OF A PCB AND A METHOD OF INSTALLING THE SAME  
A movable transformer embedded into an opening of a PCB includes a first bobbin unit, a second bobbin unit, a third bobbin unit, a winding unit and a magnetic unit. The second bobbin unit is...
US20110115592 COIL COMPONENT  
A coil component comprises: a core having a winding core portion, and a first flange and a second flange arranged at both ends of the winding core portion; a winding arranged in a region flanked...
US20110242710 INTEGRAL CURRENT TRANSFORMER SHUNT RESISTOR  
An electrical power system may comprise a power source, an electrical load and an interconnection path between the power source and the electrical load. At least one power-source current...
US20130342300 NOISE REDUCTION DEVICE AND BUS BAR MODULE  
A noise reduction device includes a magnetic core and an elastically deformable elastic sheet. The magnetic core surrounds an outer periphery of an electric cable, and reduces noise emitted from...
US20110050382 FLUX CONCENTRATOR AND METHOD OF MAKING A MAGNETIC FLUX CONCENTRATOR  
A flux concentrator and method for manufacturing a flux concentrator is provided. The method can include combining powdered soft magnetic material, a binder, a solvent, a internal lubricant;...
US20110234356 Integrated Gas Discharge Lamp and Ignition Transformer for an Integrated Gas Discharge Lamp  
An ignition transformer (80) for generating an ignition voltage for a high-pressure gas discharge lamp (5) which has a high-pressure gas discharge lamp burner (50), comprising a ferrite core (81)...
US20150206650 CURRENT TRANSFORMER HAVING AN AUTOMATIC SHORT-CIRCUIT DEVICE  
The invention relates to a current transformer 1, comprising connection contacts 3 for contacting a secondary winding of the current transformer and a short-circuit device 105, 205, 305 for...
US20060192648 Transformer and power supply apparatus  
A transformer is comprised of an inner peripheral bobbin, an outer peripheral bobbin which is arranged in a coaxial manner with respect to the inner peripheral bobbin, an outer case which covers...
US20130113598 TRANSFORMER WITH SHIELDING RINGS IN WINDINGS  
A coil and electric shielding arrangement for a dry-type transformer includes an electric shielding device arranged at a distance from a winding, at an axial end of the winding perpendicular to a...
US20070090909 Inductive devices and transformers utilizing the Tru-Scale reactance transformation system for improved power systems  
In inductive devices and transformers, a periodic transformation system reduces or prevents heat or distortion, reduces resistance or impedance and improves output energy. In one embodiment, the...