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7629869 Ignition coil  
An ignition coil includes a coil body, a connector, a coil case, a filling resin, and a vent groove. The coil body includes a primary coil, a secondary coil, and a center core. The secondary coil...
7595714 Ignition coil  
An ignition coil includes a primary coil ( 14 ), a secondary coil ( 16 ) disposed on an outer circumferential side of the primary coil and configured to be boosted by mutual induction with the...
7548148 Integral transformer junction module  
A compact integral transformer-junction module combination suitable for use in junction modules and vaults in distribution circuits and in industrial and commercial circuits, comprising: a...
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...
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...
7471178 Current detection device  
The present invention provides a low-cost current detection device having a magnetic sensor easily placed on a choke coil, wherein assembly and manufacturing costs are reduced and a product is...
7462317 Method of manufacturing an encapsulated package for a magnetic device  
A method of manufacturing an encapsulated package for a magnetic device on a substrate. In one embodiment, the method includes providing a magnetic core on the substrate and placing a shielding...
7427909 Coil component and fabrication method of the same  
A coil component ( 100 ) comprising coil-containing insulator enclosure and a magnetic core ( 80 ). The coil-containing insulator enclosure is obtained by enclosing a coil ( 30 ), except for end...
7415757 Method for manufacturing inductor having coil embedded dust core  
A method for manufacturing a coil-embedded dust core with a small variation in inductance value with efficiency includes a step (a) of charging soft magnetic metal powder including an insulating...
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...
7365625 Tank for electrical apparatus immersed in fluid  
A tank for an electrical apparatus immersed in fluid is formed by a couple of long opposite of opposing walls where any of them have one or more supporting folds; and a couple of short opposite or...
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...
7362202 Inductance element and case  
An inductance element and a case; the inductance element, comprising a winding type magnetic core having a hollow part formed by winding a magnetic ribbon thereon and a lead having a cross...
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...
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...
7312686 Split core sensing transformer  
Separable toroidal segments reduce the size of a sensing transformer that can be installed on an electrical conductor while connected to a device.
7312681 Internal combustion engine ignition apparatus and method for manufacturing a secondary coil thereof  
A transformer terminal is configured as a single part that includes: a base portion; a first connecting portion that is formed at a first end of the base portion and to which a winding finish end...
7301429 Multiple frequency inductive resistivity device  
In one aspect of the present invention, an induction resistivity tool incorporated into a downhole tool string component comprises an annular radial recess disposed along an outside surface of a...
7289012 Electromagnetic coil assembly  
An electromagnetic coil assembly is provided. The electromagnetic coil assembly includes a bobbin, a coil of magnet wire and a cover piece. The bobbin includes a hub, a first flange and a second...
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...
7276998 Encapsulated package for a magnetic device  
An encapsulatable package for a magnetic device that includes a magnetic core. In one embodiment, the encapsulatable package for the magnetic device also includes a shielding structure located...
7268655 Ignition coil with secondary winding center tap connected to shield  
A distributorless ignition coil has two high voltage secondary windings wound around a primary winding, with each secondary winding being electrically connected to a respective spark plug. A shield...
7256674 Power module  
A power module located on a substrate. In one embodiment, the power module includes power conversion circuitry with a magnetic device and at least one switch. The magnetic device includes a...
7239224 Ignition coil having center core  
An ignition coil includes a primary coil, a secondary coil, a spool, and a center core. The primary coil and the secondary coil are arranged substantially coaxially with each other. The secondary...
7236075 Transformer  
A transformer has a cover and a bobbin. The cover has a cavity and a bottom opening. The cavity is formed inside of the over. The bobbin is mounted inside the cavity in the cover and has two...
7234454 Ignition coil and method for manufacturing an ignition coil  
An ignition coil is disclosed. The ignition coil includes an insulative material, a body, and a head coupled to the body. A portion of the insulative material is included in the body, and a portion...
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...
7230515 Package for parts for LAN and pulse transformer module for LAN  
A resin-made base body 1 has first recessed portions 11 and 12 for respectively accommodating a plurality of pulse transformers as well as second recessed portions 13 and 14 for...
7221558 Galvanically isolated delivery of power to high voltage circuits parts  
A high voltage switching apparatus delivers kV pulses to a load such as a magnetron. The switching apparatus comprises a switching stack surrounded by capacitors and both arranged within a housing....
7216419 Method of manufacturing a high-frequency coil device  
In a high-frequency coil device having small dispersion in coil inductance and suitable for use in GHz band and a method of manufacturing the high-frequency coil device, a spirally-shaped...
7209023 Ignition coil with separating wall  
An ignition coil for an internal combustion engine minimizes the propagation of cracks in the encapsulate material surrounding the components of the ignition coil and provides a supplemental...
7202767 Ignition apparatus for an internal combustion engine  
An ignition apparatus for an internal combustion engine includes a central core, a primary coil and a secondary coil arranged outside of the central core, a magnet arranged in abutment with one end...
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...
7193497 Ignition coil  
An ignition coil. The ignition coil includes a casing, a bobbin, and a core. The bobbin includes a body, a primary coil surrounding the body, a secondary coil surrounding the body, a plurality of...
7187074 Semiconductor and electronic device with spring terminal  
A semiconductor or electronic device, such as a power module uses at least one spring terminal as a control terminal. The spring terminal is led outside a case through a coil-accommodating member,...
7170380 Ignition coil  
An ignition coil for an internal combustion engine, including a magnetically active core, a first coil shell which is used as a support for a first coil winding made of an electrically conductive...
7161455 Method and arrangement for securing sensors in an electricity meter  
A current transformer assembly includes a current transformer and an insulation cup. The current transformer has a core and a first coil in a flux inducing relationship with the core. The core...
7161456 Systems and methods for driving large capacity AC motors  
A drive system for driving large capacity motors includes a motor and a variable frequency drive which accepts input from a three-phase power source. The drive system includes a step-up...
RE39453 Low profile inductive component  
A low profile inductive component in accordance with the disclosure set forth here comprises a low profile body having spread apart soldering pads for electrically and mechanically attaching the...
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...
7152592 Ignition coil for a combustion engine  
An ignition coil includes a primary coil carrying primary coil body, a low voltage connection area and a secondary coil inductively coupled with the primary coil for the provision of a high voltage...
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...
7148780 Twin spark pencil coil  
An ignition apparatus having twin spark high-voltage outputs incorporates features of a pencil coil wherein at least a portion of a transformer assembly is disposed within a spark plug well when...
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...
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...
7142079 Transformer structure  
A transformer structure is proposed herein which includes a primary winding coil, a secondary winding coil, a bobbin module, and a magnetic core assembly. The magnetic core assembly is mounted...
7138897 Induction measurements with reduced borehole effects  
An induction tool includes a conductive mandrel; at least one array including a transmitter, a bucking coil, and a receiver disposed in an insulating tool body surrounding the conductive mandrel;...
7132917 Ignition coil having secondary coil assembly and connecting method for the same  
An ignition coil includes a center core, a secondary coil, a primary coil, and an outer core. The secondary coil and the primary coil are substantially coaxially arranged on the outer...
7129811 Electrical structural part and method of its manufacture  
An electrical structural part with an electrical or electronic structural element provided on a basic body and with an encapsulation enclosing the structural element tightly and free of voids, the...
7130197 Heat spreader  
A heat spreader is disclosed. The heat spreader includes a body member, a first fin connected to the body member, a second fin connected to the body member, a third fin connected to the body...