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7528692 |
Voltage stress reduction in magnetics using high resistivity materials
The present invention includes a high voltage transformer and high voltage inductor having a high resistivity magnetic core and multiple secondary windings without needing insulation between the...
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7498922 |
Self-damped inductor
An inductor with self-damping properties for use in multiple applications including for high power broadband frequency applications is provided by a coil having an input end and an output end and...
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7477121 |
Structure for assembling electrical windings about a central member
An electrical winding structure configured for use in assembling a plurality of electrical winding structures in an installed orientation wound about a central member includes: a unitary segmented...
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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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7460002 |
Terminal system for planar magnetics assembly
A planar magnetic device comprising a planar core, a first plurality of planar windings having apertures, a second plurality of planar windings having apertures, a planar core surrounding at least...
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7394340 |
Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device
An electromagnetic device and a high-voltage generating device which are thin and improved in the characteristics are provided in which a magnetic core is made of a cylindrical form of a ferrite...
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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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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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7277000 |
Inductor and transformer
In an inductor having a core and first and second coils wound upon the core, the wire of the first coil and the wire of the second coil lie are wound so as to lie parallel to each other and contact...
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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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7268658 |
Transformer having leakage inductance control structure
A transformer having a leakage inductance control structure includes a primary coil, a secondary coil formed at a selected coil ratio relative to the primary coil to transform voltage and output...
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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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7260883 |
Method for forming a winding for a three-phase transformer
A preferred embodiment of a three-phase transformer includes a first, a second, and a third winding leg, and a first, a second, and a third winding positioned around the respective first, second,...
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7257881 |
Method and structure for assembling electrical windings about a central member
A method for assembling electrical windings about an axis, the windings being strips and wound in alternating strata with their widths parallel with the axis, includes the steps: (a) Winding a...
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7256675 |
Energy transfer apparatus for reducing conductivity electromagnetic interference and manufacturing method thereof
An energy transfer apparatus is developed for reducing a conductivity electromagnetic interference and manufacturing method. The energy transfer apparatus comprises a core, an input winding, an...
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7236077 |
Transformer having adjustable leakage inductance
A transformer having adjustable leakage inductance includes a primary winding coil, a secondary winding coil, a bobbin and a magnetic core assembly. The bobbin includes a winding section for...
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7233223 |
Transformer winding
A Winding for high voltage transformer having a predetermined number of spaced winding groups joined to form a single winding transformer, each spaced winding group being solenoid wound from a...
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7154364 |
Electrical machine
An electric machine comprises a core ( 10 ) of magnetic material and a first insulating layer ( 14 ) of a solid electrically insulating material surrounding the core. A high-voltage winding ( 17 )...
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7142085 |
Insulation and integrated heat sink for high frequency, low output voltage toroidal inductors and transformers
Toroidal transformer and inductor configurations are described that allow for greater heat transfer away from internal device components. The inventive transformer allows for higher thermal and...
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7142082 |
Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
An electromagnetic device and a high-voltage generating device which are thin with improved characteristics includes a magnetic core of a cylindrical form of a ferrite material having a high...
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7136293 |
Full wave series resonant type DC to DC power converter with integrated magnetics
A full wave DC/DC converter magnetically integrates into the transformer assembly the functions of the resonant inductor, magnetizing inductor and the output filter inductor. The primary and the...
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7113066 |
Electronic inductive and capacitive component
An electronic component with inductive and capacitive properties has a core carrying at least one pair of conducting electrodes. The electrodes are wound round the core alternating along the length...
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7098764 |
Main conductor for a capacitively controlled high-voltage winding
In a main conductor for a capacitively controlled high-voltage winding composed of pancake coils for transformers, in which the main conductor for the load current is realized as a twisted...
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7088213 |
Transformer and lamp system utilizing the same
A transformer for a lamp system. A first spindle comprises a first hollow portion. A second spindle comprises a second hollow portion and is arranged in parallel with the first spindle. A first...
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7023317 |
Cellular transformers
The winding of matrix transformers having multiple turn primary windings is made much easier, and the resulting transformer is much more consistent, if a “cellular” insert having a plurality of...
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7023311 |
Overlapped superconducting inductive device
An electrical device operating on the principle of induction, such as a transformer. The device employs High Temperature Superconductors to build pancake coils having a very low height to diameter...
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7019620 |
Device for the inductive transmission of electrical power
The invention relates to a device for the inductive transmission of electrical power, comprising a power line which is situated on the primary side of said device and which consists of two wires...
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6970063 |
Power transformer/inductor
The present invention relates to a power transformer/inductor comprising at least one winding. The windings are designed by means of a high-voltage cable, comprising an electric conductor, and...
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6930581 |
Current transformer having an amorphous fe-based core
A magnetic core has a toroidal configuration, formed by winding an iron-based amorphous metal ribbon. Thereafter the core is heat-treated to achieve a linear B-H characteristic. Advantageously, the...
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6927667 |
Magnetic device having a springable winding
A magnetic device is provided that may be employed with surface mount technology. In an advantageous embodiment, the magnetic device includes a magnetic core having a magnetic core half and a...
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6885274 |
Inductor module including inductor windings wound on a common inductor core
An inductor module includes a common inductor core, and first and second inductor windings. Each of the first and second inductor windings has an input end, an output end, and an inductor winding...
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6828893 |
Transformer circuit arrangement
A transformer circuit arrangement has a first transformer ( 201 ) with a first lower limit frequency (fu 1 ) and a first upper limit frequency (fo 1 ), and a second transformer ( 202 ) with a...
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6822549 |
Method for increased coupling coefficient in a pulse type transformer through coil configuration and varied core area
The present invention provides a high peak current, low duty cycle, pulse type transformer with two methods of increasing the coupling coefficient between the primary and secondary windings. The...
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6822546 |
Transformer arrangement for combined pots and xDSL service
The current technology involved with overlaying any type of digital subscriber loop (xDSL) service with plain old telephone service (POTS) makes use of two separate transformers, one for POTS and...
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6816053 |
Circuit to mitigate transformer shorted turn
A dual transformer design, each transformer having at least a primary winding and a secondary winding disposed on a core means, wherein the core means is circumferentially disposed about an inner...
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6801421 |
Switchable flux control for high power static electromagnetic devices
A high power static electromagnetic device with a flux path, a main winding and one or more regulation windings surrounding portions of the flux path. A control device is coupled to the flux path...
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6788184 |
High frequency transformer with integrated rectifiers
A high frequency transformer may include an integrated rectifier cell with flat windings and/or slotted copper segments stacked on a core branch to provide alternating primary and secondary...
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6788180 |
Controllable transformer
A controllable transformer device comprising a body of a magnetic material, a primary winding wound round the body about a first axis, a secondary winding wound round the body about a second axis...
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6680518 |
Monolithic inductance-enhancing integrated circuits, complementary metal oxide semiconductor (CMOS) inductance-enhancing integrated circuits, inductor assemblies, and inductance-multiplying methods
Monolithic inductance-enhancing integrated circuits, complementary metal oxide semiconductor (CMOS) inductance-enhancing integrated circuits, inductor assemblies, and inductance-multiplying methods...
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6657529 |
Magnetic component
The invention relates to a magnetic component having at least two windings electrically connected in series ( 3, 4, 13, 14, 24-27, 31-33 ) and a core ( 1, 2, 10, 11, 20-23, 30 ) on which the...
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6606020 |
Low cost method of making a high impedance electrical transformer and products of said method
A low cost method of making a high impedance electrical transformer is disclosed as well as products of such method. The method comprises adding a step during the process of winding a transformer...
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6593839 |
Leakage flux-type power conversion transformer
A conventional braided wire has high direct current resistance and high winding resistance in high-frequency regions, making it impossible to achieve a power conversion transformer having...
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6563411 |
Current transformer with direct current tolerance
A current transformer for alternating current with direct current components is proposed, consisting of at least one transformer core with a primary winding and at least one secondary winding to...
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6556118 |
Separate mount ignition coil utilizing a progressive wound secondary winding
An ignition coil assembly includes a core formed of magnetically-permeable material extending along a main axis, a primary winding disposed about the core, a secondary winding disposed on a...
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6531943 |
Balun-transformer
A balun-transformer, which is composed of a balun transition and an impedance matching circuit. Chemical etching is employed in the manufacturing process that is compatible with the common...
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6529111 |
Ignition coil
In an ignition coil for an internal combustion engine, the primary coil and the secondary coil of the coil unit are fabricated of self-welding wire and fixed in a coil case by an elastic material...
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6501361 |
Rotary transformer with synchronized operation
A rotary transformer includes a resonant circuit and a coil drive circuit. The resonant circuit includes a resonating capacitor connected to a power MOS transistor, coupled across the primary coil...
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6486765 |
Transformer
The invention provides a transformer suitable for use in a high frequency semiconductor device, and the transformer can be formed without the use of a conventional core and coils by forming at...
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6483411 |
Transformer
A transformer includes a bobbin, an I-bar, the first U-core, and the second U-core. The bobbin in a tube shape is wrapped around by a number of windings of copper coil. An I-bar made of high...
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6479948 |
Starting device for discharge lamp
The objectives of the present invention is to provide smaller, lighter and less expensive structure in a starting device for discharge lamp for car use so as to prevent breakage due to vibrations...
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