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8181334 |
Method for producing windings for a dry-type transformer
A method is provided for producing windings for a dry-type transformer with in each case one winding for the low voltage (LV winding) and one for the high voltage (HV winding). The LV and HV...
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8130065 |
Electromagnetic coil device
The present invention discloses an electromagnetic coil device including a coil body having a connection terminal portion projecting from a circumferential surface of the coil body, a buckle having...
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8125305 |
Inductance element, method for manufacturing the same, and switching power supply using the same
An inductance element (1) includes a doughnut-shaped magnetic core (2) and a bottomed container (3) for housing the doughnut-shaped magnetic core (2). The bottomed container (3) has a cylindrical...
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8111124 |
Inductance element and method for manufacturing the same
An inductance element is not interfered by peripheral circuits when mounted on a wiring board by forming a closed magnetic path. The inductance element has a small reduction of an inductance value...
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8026783 |
Ignition coil for vehicle
A spark plug coil assembly includes a primary core inside a secondary winding spool that is formed with a closed end. A terminal is embedded in the closed end of the spool and the secondary...
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7948341 |
Moisture protection for an electromagnetic coil
A coil for an inductive sensor, such as a coil which is used in a sensor that operates according to the principle of electromagnetic force compensation for converting an amount of force generated...
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7948342 |
Electromotive rectification system
An AC neutral bus electromotive power rectification unit includes a first coil unit and a second coil unit. The first coil unit includes a first conductive wire coil having a first end and an...
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7911308 |
Low thermal impedance conduction cooled magnetics
An apparatus for cost-effective and efficient cooling of an active element. The active element may be a magnetic element such as an inductor or a transformer having windings and a core. A thermally...
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7911306 |
Transformer board
A transformer board is disclosed. In some embodiments, the transformer board includes a base, a circuit board, a transformer having a first and second winding, a first and a second connector, a...
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7911305 |
Ignition coil
An ignition coil of an ignition system in an internal combustion engine has a housing, a magnetically active core, a first coil winding connected to a supply voltage, and a second coil winding...
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7905637 |
Transformer assembly and light fixture assembly using same
A potted transformer assembly comprises a housing portion to form an exterior transformer housing, a transformer unit dimensioned to fit within the housing portion, the housing portion including a...
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7907040 |
Ignition coil and method for manufacturing the same
An ignition coil includes a coil body, a primary resin molded body, and a secondary resin molded body. The coil body has a primary coil and a secondary coil. The primary resin molded body has the...
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7898375 |
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 by...
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7897234 |
Potting material for electronic components
A potting compound for electronic components comprises a first composition of asphalt and sand and a second composition that attenuates the forces normally applied by the first composition when it...
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7859379 |
Transformer core and its manufacturing method
It is possible to provide a transformer core which can be mounted on a coil having both ends connected to a substrate or the like and can simplify the step for arranging an adhesive layer and...
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7847662 |
Inductance element, method for manufacturing the same, and switching power supply using the same
An inductance element (1) includes a doughnut-shaped magnetic core (2) having a wound body or a stacked body of a magnetic ribbon, a bottomed container (3) in which the doughnut-shaped magnetic...
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7834732 |
Ignition coil, in particular for an internal combustion engine of a motor vehicle
An ignition coil, in particular for an internal combustion engine of a motor vehicle, has an inner magnet core which is concentrically enclosed by a primary coil and a secondary coil. The inner...
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7825762 |
Transformer
A case 12 of a transformer 10 formed in such a manner that a transformer body 13 is accommodated in the case 12 having a rectangular-parallelepiped shape and a resin 14 is filled therein and...
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7796004 |
Ignition coil
An ignition coil of a dual ignition type that can prevent outputs from becoming unbalanced due to a difference in floating capacitance on wiring that connects secondary output terminals and...
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7786832 |
Inductor with insulative housing and method for making the same
An inductor (100) includes a magnetic core (30) and an insulative housing (10). The magnetic core has a wire wound (40) around a central portion (33) thereof, a projecting portion (31) formed on a...
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7752736 |
Method of magnetizing the shaft of a linear stepper motor
A method of providing axially alternating N and S poles in a portion of an axially extending, cylindrical, smooth shaft for a linear stepper motor and a method of manufacturing a magnetizing...
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7746206 |
Inverter transformer and inverter power module having the same for use in electric/electronic device
An inverter power module for use in an electric/electronic device includes a driving circuit board, a power transformer mounted on the driving circuit board, an inverter transformer mounted on the...
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7710231 |
Ignition coil
An ignition coil includes a coil body, a plug connection portion protruding from the coil body, and a connector for electrically connecting the ignition coil to an outside. In the coil body, a...
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7692525 |
Power electronic module with an improved choke and methods of making same
An improved choke assembly for a power electronics device is provided. More specifically, a choke assembly with improved protection from environmental conditions such as dirt and water is provided....
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7667564 |
Multicharge ignition coil with primary routed in shield slot
A plastic case surrounds a primary winding of a multicharge ignition system, and has a rib in which the high voltage end is routed back to the low voltage end, so that the low and high voltage ends...
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7626338 |
Discharge lamp lighting apparatus
A discharge lamp lighting apparatus includes a transformer unit, a casing for housing the transformer unit, and a circuit board including circuit components. In the casing, the circuit board is...
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7623014 |
Choke coil
In one embodiment, a choke coil has a magnetic core, a coil, and magnetic material. The core has a first permeability which is from about 350 to 1200. The coil is wrapped around the core. The...
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7511598 |
Element for use in an inductive coupler for downhole components
An element for use in an inductive coupler for downhole components comprises an annular housing having a generally circular recess. The element further comprises a plurality of generally linear,...
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7501923 |
Ignition coil having plug cap
An ignition coil includes primary and secondary coils accommodated in a coil case extending to define a cylindrical mount portion on a high voltage side. The mount portion includes a high voltage...
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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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7436278 |
Electrical contacting of thin enameled wires of secondary windings of ignition coils having a contact crown and contact element
An electrical connection set-up for connecting thin enameled wires in ignition coils, which is to replace thermal methods, for example. This is achieved in that, to produce contacting between the...
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7382220 |
Ignition coil for an internal combustion engine
An ignition coil for an internal combustion engine has a rod-shaped magnetic core, which collaborates with a cushioning element in the axial direction. The magnetic core and the cushioning element...
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7362201 |
Inductance device and manufacturing method thereof
An inductance device has a hollow center coil around which a conducting wire is wound so that a hollow portion is formed along a center axis line of the hollow center coil, a filler which is filled...
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7362015 |
Apparatus and method for making an electrical component
This invention relates to a transformer and more particularly, to a system and method for making a transformer utilizing dynamic magnetic compaction. A coil is placed in a conductive container, and...
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7332991 |
Twin spark ignition coil with provisions to balance load capacitance
A twin spark ignition apparatus having two high-voltage (HV) outputs incorporates features for balancing load capacitance on each HV output. The ignition apparatus provides a first high-voltage...
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7320817 |
Holding structure and a molding with the same
A holding structure includes a held member located in a case, and a guiding space defined between the held member and a predetermined inner surface of the case. A primary molding resin is guided...
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7317370 |
Ignition coil
An ignition coil includes a coil portion that has a primary coil, a secondary coil, and an outer core. The outer core is arranged on a radially outer side of both the primary coil and the secondary...
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7296342 |
Fixture for magnetization of a shaft for a linear stepper motor
In a preferred embodiment, a fixture for magnetizing axially alternating N and S poles defined circumferentially in a portion of an outer periphery of an axially extending, cylindrical, smooth...
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7280023 |
Ignition coil having an improved power transmission
The present invention relates to an ignition coil for ignition systems, in particular a rod ignition coil for internal-combustion engines, comprising at least one primary winding and at least one...
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7236074 |
Ignition coil
An ignition coil includes a cylindrical portion capable of being inserted into a plughole of an engine case. The cylindrical portion has a base end and a tip end, respectively, in an axial...
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7213588 |
Ignition device for internal combustion engine
To provide an ignition device for an internal combustion engine which for example prevents a crack from being made in a cast insulating resin or a transformer output voltage control element from...
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7196606 |
Ignition coil apparatus for an internal combustion engine
An ignition coil apparatus for an internal combustion engine can suppress an increase in the manufacturing cost of a terminal of a low-tension side connector resulting from variation in a wire...
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7190249 |
Ignition coil
The ignition coil includes an exciting core having a substantially I-shape, and a closed magnetic path forming core having a substantially C-shape. The ignition coil is constructed in such a manner...
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7167068 |
Transformer
A transformer has a bar-shaped ferrite core, an inner winding wound directly around the ferrite core, an outer winding wound over the inner winding, and a dielectric shield surrounding the outer...
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7158002 |
Primary wire winding having optimized package dimensions for a pencil-style ignition coil
To optimize the package dimensions of pencil-style ignition coils, a structural component including a primary wire and a primary bobbin is constructed in such manner that this structural component...
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7151427 |
Sealed-off switchgear
A switchgear, especially for actuating valves, includes a housing (18) and a coil body (10) disposed in the housing. A switch element is guided in the coil body. The coil body is provided with a...
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7145426 |
Ignition coil for internal combustion engine
An ignition coil for an internal combustion engine has a first housing, a second housing, a holder, an insulating resin and a crack extension restrictor. The first housing encloses a center core, a...
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7142080 |
Stick-type ignition coil and terminal assembly therefor
A stick-type ignition coil comprises a coil part, an insulating ring-shaped terminal assembly and a control part. The coil part includes a central core, a primary coil and a secondary coil. The...
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7138895 |
Field coil assembly for an electromagnetic clutch for a compressor
The present invention relates to a field coil assembly of an electromagnetic clutch for a compressor, in which a coil wire of an electromagnetic coil body exposed to a protrusion of a bobbin is...
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7131183 |
Screw in high voltage housing terminal for ignition coil
An ignition coil and a method for its manufacturer are provided, the ignition coil including a housing, a primary winding and a secondary winding disposed in the housing, and a terminal including a...
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