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7626304 |
Stator and motor, to which the stator is applied, and method of manufacturing the stator
There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and...
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7598839 |
Stacked inductive device and methods of manufacturing
Improved inductive electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises an inductive device module comprising N inductors and N+1 core...
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7528694 |
Transformer and core set thereof
A transformer. The transformer comprises a bobbin, a first core and a second core. The bobbin comprises a primary winding area and a secondary winding area. The first core is disposed in the...
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7523538 |
Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system
Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system and associated magnetic resonance system, wherein the exterior of the gradient coil is foam-bonded flat...
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7522028 |
Magnetic element
A magnetic element including a first core and a second core each of which has a winding core provided with a flange portion having a flange surface at least at one end thereof; and an intermediate...
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7498917 |
Encapsulated transformer
A transformer comprises a core formed by laminations, each having a rectangular plate with two spaced windows for receiving a set of coils passing through the windows in turn; a pair of terminal...
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7489224 |
Ferrite core, and flexible assembly of ferrite cores for suppressing electromagnetic interference
Ferrite cores are provided with rounded, convex head ends and complimentary rounded, concave tail ends. The configuration of the head and tail ends permits a reduction in gap width between adjacent...
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7489219 |
Power inductor with reduced DC current saturation
A power inductor includes a first magnetic core having first and second ends. The first magnetic core includes ferrite bead core material. An inner cavity arranged in the first magnetic core...
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7468649 |
Isolated power converter
There is provided an isolated power converter. More particularly, in one embodiment, there is provided a power converter including a first magnetic core having a primary winding and a secondary...
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7449985 |
Magnetic element and method of manufacturing magnetic element
A problem to be solved is to stabilize temperature characteristics in various characteristics of a magnetic element. A magnetic element has a coil formed by winding a conductor, EP cores...
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7449799 |
Harmonic mitigating device with magnetic shunt
A harmonic mitigating device for connection between a power distribution system and the load uses a magnetic shunt to control the levels of magnetic coupling between different elements of the...
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7446642 |
Inductor
An inductor includes a bobbin, a first winding, a second winding, a core set and a magnetic element. The first and second windings are respectively wound around the bobbin and separated by a...
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7446641 |
Balance transformer
A small loop path 9 A composed of a part of each of a first core 51 and a second core 52 is disposed with two windings 2 A and 3 A of a transformer portion 4 A, and a small loop path 9 B...
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7446640 |
Leakage transformer
A leakage transformer includes a primary winding; a secondary winding wound at a part on an extension of a winding part of the primary winding separately from the primary winding and having a coil...
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7443277 |
Coil component
A coil component including a flanged core having a flange portion on at least one end portion of winding core, a coil that is wound around the winding core, a bottomed cylindrical cup-shaped core...
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7430796 |
Method for winding the stator of a multiphase electric motor
In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a...
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7429908 |
Coil form
A coil form for forming an inductive element ( 10 ) includes a coil body ( 2 ) and at least one, for example three separating plates ( 3 ). The coil body ( 2 ) has an opening ( 4.1 ) and includes...
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7423510 |
Transformer with high sustain voltage and driving device using the same for driving light source module
A transformer ( 10 ) with high sustain voltage includes a first bobbin ( 125 ), a second bobbin ( 126 ), a core assembly ( 127 ), and an insulating frame ( 128 a ). The first bobbin defines a first...
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7414511 |
Electromagnetic interference filter
An electromagnetic interference (EMI) filter includes a first magnetomotive element, a first wire, a second wire, and a second magnetomotive element. The second magnetomotive element forms a closed...
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7408436 |
Coil and bobbin for coil
A bobbin has a bobbin body capable of fitting into the inside of a winding, and a protrusion protruding from the outer peripheral surface of the bobbin body and capable of intervening between...
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7405951 |
Switching power supply device
A switching power supply includes: a first series circuit, connected to both terminals of a direct current power supply Vdc 1 , in which a primary winding 5 a of a transformer T, a reactor L 3 ...
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7397338 |
Inductor
In substrate-mounting type inductor having a winding having conductivity, a core on which the winding is winded, and a terminal portion arranged at an end of the winding, a recessed portion which...
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7378932 |
Reduced size high-frequency surface-mount current sense transformer
A current sense transformer is provided for which includes a bobbin; the bobbin includes a winding portion for supporting a coil of wire. The winding portion includes a horizontal substantially...
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7375610 |
Transformer and assembling process thereof
A transformer includes a magnetic core assembly, a circuit board, a plurality of pins and at least an interface layer. The magnetic core assembly includes a first magnetic part and a second...
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7373715 |
Method of adjusting a characteristic of wire-wound type chip coil by adjusting the space between conductive wires
A wire-wound type chip coil can take various inductance values while maintaining its outer dimension at a specified fixed value. A chip coil is formed by winding at least two conductive wires...
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7365630 |
Low magnetic leakage high voltage transformer
Disclosed is a low magnetic leakage high voltage transformer in which two winding brackets are mounted in an electrically insulative holder frame to hold two primary windings and two secondary...
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7365624 |
Magnetic structure assembly
There is illustrated the assembly of a dual inductor ( 1 ) on to a printed circuit board ( 2 ). A printed circuit board ( 2 ) has a through hole ( 3 ). Then the first winding ( 5 ), formed from a...
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7365501 |
Inverter transformer
An inverter transformer includes a coil unit including a bobbin and a plurality of windings, and a transformer core unit. The bobbin is formed with a core-receiving compartment, and includes first,...
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7345567 |
Inverter transformer
Variation in inductance and leakage inductance between the secondary windings is reduced thereby making lamp currents uniform and thus preventing the occurrence of uneven brightness. A two-output...
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7345566 |
Magnetic element
A magnetic element capable of obtaining a desired characteristic and at the same time having high productivity that enables cost reduction is provided. The magnetic element includes a first coil (...
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7343670 |
Method of manufacturing transverse non-cylindrical gradient coils
The present invention relates to a transverse non-cylindrical gradient coil, having at least one divergent section, and to production methods for such non-cylindrical gradient coils having at least...
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7342478 |
Structure for high voltage bearable transformers
A structure for high voltage bearable transformers is used to electrically connect with backlight driving circuits of liquid crystal display devices. The structure for high voltage bearable...
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7336148 |
Structure of inductor
An improved structure of inductor includes a C-shaped core and a prismatic strut core. The C-shaped core has two extended portions and a side portion that has its two ends connected to a fixed end...
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7315231 |
Electrical reactor assembly having center taps
An electrical reactor assembly and method of assembly is disclosed. The reactor is formed from a combination of a magnetic T-core and a pair of magnetic L-cores. A plurality of comb-like separators...
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7301430 |
High voltage transformer for controlling inductance leakage
A high voltage transformer for controlling inductance leakage used for a multiple lamp driving system includes at least one wire frame, a first winding, a second winding, a first magnetic unit, and...
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7280026 |
Extended E matrix integrated magnetics (MIM) core
A matrix integrated magnetics (MIM) “Extended E” core in which a plurality of outer legs are disposed on a base and separated along a first outer edge to define windows therebetween. A center...
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7271695 |
Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus
An electromagnetic apparatus includes: (a) A magnetic material arranged in a core structure establishing a first flux path set and a second flux path set; the first flux path set includes a first...
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7271694 |
Structure of transformer
A transformer includes a first winding member, a second winding member, a primary winding coil, a secondary winding coil and a magnetic core assembly. The first winding member has a first channel...
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7271691 |
Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same
A method of winding a coil of a transformer in an inverter of a liquid crystal display including a bobbin wound with a coil and a core introduced into the bobbin, the method includes forming a coil...
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7268657 |
Coil component
The coil component of the present invention is configured in that one secondary winding is coiled between central portion and end portion of outer magnetic leg, and the other secondary winding is...
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7265650 |
Power factor correction rectifier having independent inductive components
A PFC circuit comprises a first converter and a second converter and a multi-port electromagnetic device. The first converter has a first inductive element and the second converter has a second...
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7256678 |
Magnetically controlled inductive device
A controllable inductor, comprising first and second coaxial and concentric pipe elements, where said elements are connected to one another at both ends by means of magnetic end couplers, a first...
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7256677 |
Transformer having a stacked core with a cruciform leg and a method of making the same
The present invention is directed to a transformer having a stacked core, which includes upper and lower yokes and first and second outer legs. The core also includes one or more inner legs. Each...
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7248138 |
Multi-layer printed circuit board inductor winding with added metal foil layers
The present invention provides an electromagnetic component formed from adjacent conducting layers of a multi-layer PCB and two additional conducting layers in contact with the PCB. The inventive...
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7233225 |
Planar type ferrite core
A planar type ferrite core having a rectangular shaped flat part, a pair of outside legs projecting out from two ends of the flat part in a direction substantially perpendicular to a plane of the...
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7231707 |
Method of manufacturing planar inductors
Method of forming a ferromagnetic layer on at least one surface of a dielectric material that may be serve as an inductive core on a printed circuit board or a multichip module. Conductive leads...
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7221252 |
Transformer
A transformer structure is disclosed. The transformer comprises a primary winding coil, plural secondary winding coils, a first winding portion, plural second winding portions, plural partition...
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7221235 |
Variable reluctance ferrite core
A device, system, and method for suppressing electromagnetic interference (EMI). In one embodiment, an EMI suppression device includes a compound ferrite core having an inner ferrite core and an...
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7215234 |
Tap-off transformer
A tap-off transformer includes a coil base, a core and wires. The coil base has isolating walls placed outside and using isolating walls to form a first winding slot on a primary side area and a...
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7199695 |
Multiphase voltage regulator having coupled inductors with reduced winding resistance
A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. A magnetic core with a unique woven topology provides inverse coupling between the...
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