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7583171 |
Magnetic field generator, photomagnetic information storing system, and photomagnetic information storing apparatus
The present invention efficiently radiates heat generated by a coil while suppressing a decrease in the efficiency of generation of magnetic fields caused by an eddy current. The present invention...
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7543509 |
Device for measuring the mass rate of flow having a bobbin for a magnetic coil made from a material having a specific thermal conductivity
A device for measuring the mass rate of flow which operates according to the Coriolis principle, with a measurement tube ( 1 ) and a magnet coil ( 7 ) of a bobbin ( 9 ) and a winding ( 10 )...
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7508289 |
Cooled high power vehicle inductor and method
A cooled high-power vehicle inductor includes an inductor core including a central axis; a first series of inductor windings around the central axis of the cooled high-power vehicle inductor, the...
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7429907 |
Power inductor with heat dissipating structure
The present invention relates to a power inductor having a heat dissipating structure formed on the surface thereof, which comprises: at least a conducting wire; and a cladding, made of a magnetic...
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7369024 |
Compact dry transformer
Compact dry transformer ( 1 A) consisting of a magnetic material core ( 2 ) provided with a first heat sink consisting of covers ( 10 ) having cooling fins ( 11 ) on the outer surface thereof. The...
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7345561 |
Frequency converter with fan cooling
The invention relates to an air-cooled frequency converter, especially for construction site equipment, such as internal and external vibrators which are operated at a higher frequency than the...
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7227754 |
Fluid cooling for iron core and winding packs
A power choke or transformer has an iron core, windings, and a cooling apparatus having a heat exchanger with a heat absorber and a cooling fluid duct operationally connected to the heat absorber,...
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7212406 |
Cooling of electrical components with split-flow closed-end devices
A cooling system ( 11 ) is provided for electrical components ( 10, 90 ) in which passageways ( 21 ) are inserted in non-magnetic cores of the electrical components, and in which the passageways (...
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7205875 |
Hybrid air/magnetic core inductor
An inductor includes an elongate magnetic core, a coil wrapped around the core and a spacer that separates the coil from the core to provide a coolant passage between the coil and the core. The...
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7140420 |
Thermal management apparatus and uses thereof
In one aspect, the present invention is a cooling assembly for an electrical component. The assembly includes a non-magnetic, thermally conducting spreader substrate, and at least one serpentine...
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7078994 |
Constant power and temperature coil
A coil apparatus is described that incorporates two or more conductors, wound in parallel, following the same path, in intimate physical contact throughout the path but electrically isolated. The...
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6998950 |
Method of making an electric inductor and inductor made by same
An inductor design is disclosed which balances thermal requirements with magnetic and other requirements. The package is designed based upon the desired magnetic volume and the dimensions of a...
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6989518 |
Method of sealing a foil cap to a container
A method of sealing a foil cap to the opening of a container by induction heating is provided. A heat pipe is used to transfer heat from an induction sealing head assembly.
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6919789 |
Connecting structure of choke coil
A connecting structure of choke coil, comprises a coil base composed of two halves forming an accommodating area within the two halves, and a coiling area beyond the two halves, and a corresponding...
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6917254 |
Balanced-to-unbalanced transformer
A method relating to a balun for transmitting a high degree of high-frequency power where metal sheet element is soldered onto the loop conductor tract of the symmetrical circuit loop, the...
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6859125 |
Induction heat treatment of complex-shaped workpieces
An inductor for stationary induction heating of one or more components of a complex-shaped workpiece comprises a pair of inductor segments. The first inductor segment is connected to a high...
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6844802 |
Parallel core electromagnetic device
An electromagnetic device such as a power transformer comprises at least two tubular magnetic core sections spaced apart in substantially parallel alignment. The windings of the device are...
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6717499 |
Transformer for gas insulated electric apparatus
Disclosed is a transformer for a gas insulated electrical apparatus which requires no grounding field and which provides high accuracy with a simple structure. A transformer includes a capacitor...
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6710691 |
Transformer with an associated heat-dissipating plastic element
A transformer with an associated heat-dissipating plastic element is provided. The transformer includes a hollow main body, a core, a coil and a heat-dissipating plastic element. The core is...
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6661327 |
Electromagnetic inductor and transformer device and method making the same
An electromagnetic inductor and transformer device and a method for making the same are disclosed. The device has a core that is separated into core sections along a dividing plane that extends...
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6650215 |
Finned heat sinks
A method of enhancing the heat dissipating properties of a rigid substrate plate through creation of an array of erect spaced-apart parallelly disposed metallic fins projecting from the heat...
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6636140 |
High-frequency large current handling transformer
A high-frequency large current handling transformer includes a stack of plural metal planar coil members with a window formed in a center portion of each of the planar coil member. A slit extends...
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6600402 |
Bobbins, transformers, magnetic components, and methods
A bobbin is adapted to support a winding on a permeable core and has a wall that provides a confined thermally conductive channel that causes conduction of heat along a predetermined path from the...
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6563413 |
Multiple parallel conductor for electrical machines and devices
Multiple parallel conductor for an electrical machine and process. The conductor includes a plurality of adjacent subconductors combined to form a subconductor bundle having an outer surface with a...
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6563410 |
Small footprint power transformer incorporating improved heat dissipation means
A small footprint power transformer constructed so as to exhibit improved heat dissipation characteristics and an enhanced flow of a cooling medium. The transformer construction achieves small...
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6531942 |
Method of cooling an induction coil
This invention relates to a method of cooling an immersed induction coil, such as an ionizing coil used in a vacuum processing chamber. The coil 10 may comprise a coiled hollow tube 11 through...
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6492890 |
Method and apparatus for cooling transformer coils
One or more heat-conducting devices are located coincident with a bobbin that is used to form the coils of the transformer. The coil wire is subsequently wrapped around the bobbin and adjacent...
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6459586 |
Single board power supply with thermal conductors
A power supply module for a computer is provided. The module includes a multilayer pc board, heat generating electrical components disposed on the board, logic elements disposed on the board and a...
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6392519 |
Magnetic core mounting system
A mounting apparatus for an electromagnetic device such as a transformer of inductor includes a generally planar metallic plate as a first heat sink, and a metallic mounting cup as a second heat...
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6384703 |
Fully immersed magnetic transformer with multiple condensing surfaces and method
A sealed transformer for use in charging the batteries of an electric automobile includes a housing that contains the secondary windings, a core and a dielectric fluid. A removable primary winding...
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6362714 |
Multi-part reactive device and method
A multi-part reactive device preferably includes a substrate with a first conductive area and a second conductive area. A first conductive element with a first terminal is connected to the first...
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6281776 |
Thermally isolating transformer
Heat emitting electrical components are encased in a refrigerated package within a housing which may be under vacuum. Power for the components is supplied through a transformer within the vacuum...
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6278354 |
Planar transformer having integrated cooling features
A planar electromagnetic device, such as a planar transformer or planar inductor, is provided with features for cooling that are formed integrally with the windings of the planar device. In a...
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6211767 |
High power planar transformer
A Low-to-High-Power, high reliability, high efficiency, small size transformer for power supply/DC--DC converter applications, using an inner layer winding constructed in a multilayers PCB and...
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6185811 |
Method for making a transformer
A transformer includes a core assembly having a coil, a core with at least a portion extending through the coil, and terminals for providing electrical connection with the transformer. The core...
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6160464 |
Solid cast resin coil for high voltage transformer, high voltage transformer using same, and method of producing same
A dry-type transformer having an iron core, with high voltage and low voltage coils encapsulated in casting resin. The high and low voltage windings may be cast separately, or together. Either or...
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6144282 |
High voltage transformer and method of making a high voltage transformer having radiating ribs
A high voltage transformer having radiation ribs has a laminated core formed of a plurality of accumulated iron plates, first and second windings wound in the laminated core for converting an input...
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RE36787 |
High power induction work coil for small strip susceptors
There is disclosed a high power induction heating coil for use in thermoplastic welding where a metallic susceptor is embedded in a composite assembly and is heated by eddy currents generated by...
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6087916 |
Cooling of coaxial winding transformers in high power applications
A coaxial winding transformer is cooled by having heat transfer members connected to an outer conductor of the transformer to receive heat therefrom. The heat transfer members form a heat transfer...
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6002318 |
Device for dissipating heat from ferrite cores of inductive components
A device for dissipating heat from ferrite cores of inductive components is provided. Specifically, in order to dissipate heat from cores made from ferromagnetic material for inductive components,...
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5929735 |
Apparatus for facilitating mounting of an inductor assembly to a printed circuit board
An apparatus for facilitating mounting of an inductor assembly to a printed circuit board that is easy to assemble into any mounting scheme and which assures that an adequate clamping force to...
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5929734 |
Coil former for a flat coil
A coil former for a flat coil comprises a plurality of printed circuit boards that are stacked on top of each other and carry one or several turns. At least one straight row of electrically...
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5929733 |
Multi-layer printed substrate
An area on which a coil part is formed on part of a substrate is secured, coil patterns are provided on a plurality of unit substrates corresponding to the area, the coil patterns of the laminated...
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5926944 |
Method of constructing a shielded electrical component
An AC adapter for use with a portable computer has a primary transformer disposed within a plastic housing. A shielded heat sink assembly is positioned in the housing between the transformer and a...
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5815059 |
Coaxial isolation mounting of a toroidal transformer
A toroidal shaped transformer having two levels of structureborne noise isolation is disclosed. A 30-60 dB reduction in noise is achieved by isolation mounting the toroidal transformers coaxially...
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5775810 |
Ferrite device for sensing temperature
A ferrite device for sensing temperature is disclosed, which is useful for apparatuses such as hot water vessels, fire alarms, and general electronic apparatuses. More specifically, the ferrite...
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5736915 |
Hermetically sealed, non-venting electrical apparatus with dielectric fluid having defined chemical composition
An electrical apparatus, such as a transformer, includes an expandable internal chamber that is nonventing and completely and permanently sealed from the ambient environment. The chamber houses a...
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5726858 |
Shielded electrical component heat sink apparatus
An AC adapter for use with a portable computer has a primary transformer disposed within a plastic housing. A shielded heat sink assembly is positioned in the housing between the transformer and a...
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5710745 |
Assembly having flux-directing return yoke for magneto-optical drive
A bias coil assembly for use in combination with a magnetomotive generator such as employed in a magneto-optical disc drive. The assembly includes a return yoke having a body portion and a tip...
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5670924 |
Inductor mounting assembly
The subject invention provides an inductor mounting assembly that is easy to assemble into any mounting scheme and which assures that an adequate clamping force to overcome vibration forces is...
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