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Patent Searching and Data


Matches 451 - 500 out of 10,853

Document Document Title
WO/2007/055078A1
It is possible to provide an inductor which can be used for a high-frequency current and a large current. The power inductor (10) is used in a power supply circuit where a current greater than a signal inductor flows. The inductor includ...  
WO/2007/043309A1
A multilayer coil component in which inductance can be regulated finely and coupling between two spiral coils can be enhanced without increasing the number of pattern types of coil conductors. Coil conductors (13a-13e) at a first coil po...  
WO/2007/004483A1
A method for manufacturing a laminated coil being employed in a choke coil or a transformer for electric circuits. The method is suitable for mass production because the manufacturing process is simplified and can manufacture a laminated...  
WO/2006/119945A1
Disclosed is a choke (L1, L2, L3) for limiting a portion of an electric harmonic oscillation to a percentage of a total voltage or total current predefined by a standard. Said choke is embodied as a coil with a certain inductance which i...  
WO2006039048A3
A method and apparatus for multi-phase transformers (200) are described. In one embodiment, a coupled inductor topology for the multi-phase transformers comprising N primary inductors (210-240). In one embodiment, each primary inductor i...  
WO/2006/077872A1
A gap sheet to be inserted into a magnetic core, which has a gap at least at one part in a magnetic path, is formed of a composite material of a soft magnetic powder and a resin.  
WO/2006/069450A1
A structure comprising (i) a first information device, (ii) a second information device, (iii) a first coupling element and (iv) a second coupling element is provided. The first information device has at least a first lobe and a second l...  
WO/2006/070544A1
Disclosed is a small-sized magnetic device (10) having a reduced inductance which can be manufactured easily. This magnetic device (10) comprises a core member (20) which is formed by press molding a mixture of a magnetic powder containi...  
WO/2006/044470A2
An arcing electron stream apparatus and method for reducing pollutants in a fluid. The device includes first and second electrodes and a chamber there-between. Voltage is impressed between the electrodes at a frequency, thereby causing a...  
WO/2006/039048A2
A method and apparatus for multi-phase transformers (200) are described. In one embodiment, a coupled inductor topology for the multi-phase transformers comprising N primary inductors (210-240). In one embodiment, each primary inductor i...  
WO/2006/032677A1
Particularly in devices for producing strong current high power impulses, the electronic components, for example, passive components such as capacitors and/or switch elements, such as semi-conductor switches, diodes or similar elements, ...  
WO/2006/015589A1
The invention relates to an inductive component which is suitable for high currents, said component comprising a closed magnetic core (3) and a conductor (1) which is difficult to bend and which passes at least twice through the inside o...  
WO/2006/016554A1
[PROBLEMS] To provide a reactor formed in such a structure that a heat from cores can be efficiently radiated. [MEANS FOR SOLVING PROBLEMS] This reactor comprises reactor parts having windings and magnetic substance cores and formed by w...  
WO/2006/008878A1
A coil component (10) comprises a pair of upper and lower magnetic substrates (11, 12), a nonmagnetic layer (13) interposed between them, and a first and a second coil electrode (14, 15) formed in the nonmagnetic layer (13) to be spaced ...  
WO/2005/122192A1
Disclosed is a multilayer coil wherein a nonmagnetic portion (5) is provided within a multilayer body and the number of turns of a coil conductor (4c) formed in the nonmagnetic portion (5) is larger than the number of turns of other coil...  
WO/2005/112056A1
The invention relates to a method and an equipment for keeping electrical currents in a neutral point connected electrical distribution systems, where the earth connected neutral points are in the main switch boards and/or in the distrib...  
WO/2005/108777A1
In one embodiment, an ignition spark enhancing device (16, 30 or 40) and spark plug wire (12) disposed in or establishing the electrical path between a spark source (B) and a spark plug of an internal combustion engine (A). The device in...  
WO2005053993A3
An electrical protection device is provided. The device can be removably attached to or mounted inside of a power source, such as a vehicle, e.g., automobile, battery and can employ a replaceable fuse element. The device includes an over...  
WO/2005/069318A1
A coil of a high current magnetic element (1) with a magnetic core (5) that is mounted on a substrate (2) is formed by pieces of thick U-shaped wires (7.1 - 7.8) that are fitted over the magnetic core (5) and into corresponding holes (6)...  
WO/2005/053993A2
An electrical protection device is provided. The device can be removably attached to or mounted inside of a power source, such as a vehicle, e.g., automobile, battery and can employ a replaceable fuse element. The device includes an over...  
WO2005004248A3
The invention relates to a high-quality, high-temperature superconductor (HTS) inductor (2), in particular for a mobile application. Said inductor contains a ferromagnetic body (3) that conducts a magnetic flux and consists of at least o...  
WO2005010901A3
A core type laminate inductor comprising a magnetic gap layer (40) interposed between the layers of conductor pattern (20) and formed by being divided into a plurality of mutually separated layers with magnetic layers therebetween, the p...  
WO/2005/017924A1
To produce a large-current-adaptable common-mode coil simply and at low costs. When the drive pulley (76) of a motor (74) is rotated in an arrow B direction after the distance between pins (68, 68) is adjusted to a desired one, a rotary ...  
WO/2005/015725A1
A switching power supply device includes: a first series circuit connected to both ends of a DC power source (Vdc1) and having a primary winding (5a) of a transformer (T), a reactor (L3), and a switch (Q1); a second series circuit connec...  
WO/2005/010901A2
A core type laminate inductor comprising a magnetic gap layer (40) interposed between the layers of conductor pattern (20) and formed by being divided into a plurality of mutually separated layers with magnetic layers therebetween, the p...  
WO/2005/004248A2
The invention relates to a high-quality, high-temperature superconductor (HTS) inductor (2), in particular for a mobile application. Said inductor contains a ferromagnetic body (3) that conducts a magnetic flux and consists of at least o...  
WO/2005/004178A1
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 coolant passage may include an air passage ...  
WO/2004/112064A1
A magnetic core has a series of heat-dissipating feature for improved dissipation of the core losses. The heat-¬≠dissipating features can comprise a series of fins or protrusions integrally realized with the core or permanently attached ...  
WO/2004/061877A1
The winding (36) of a choke coil (31) is densely wound in a single layer around the outer periphery of tubular barrel (33) of a bobbin (32), and a winding (37) is densely wound in a single layer over the winding (36). A winding (46) is d...  
WO/2004/055841A1
A multiple choke coil, comprising a coil group and magnetic substance (7) in which the coil group is buried. The coil group further comprises a plurality of terminal-integrated coils (1) and (4) formed by bending metal flat plates in spe...  
WO/2004/055840A1
A coil unit and a compound coil unit, the production process of which can be simplified for reduced production costs and which are resistant to vibration and highly reliable. In the coil unit, electric wires (21) with a substantially let...  
WO2002019350A8
An inductor comprising a core, wherein the inductor is produced by the steps of: defining physical parameters of the core of the inductor, the physical parameters including dimensions of the air gap; defining a plurality of branches of t...  
WO/2004/019475A1
A choke arrangement and a method in conjunction with an inverter, the phase output of the inverter being configured to be composed of two or more parallel branches, each of which comprises an upper (V1, V3, V5) and a lower (V2, V4, V6) p...  
WO/2004/017338A1
The invention relates to an inductive component (1), for the formation of a magnetic circuit, comprising at least one wire winding (3) and at least one core (4) with a ferromagnetic core material. Said core comprises a gap (7, 8) and at ...  
WO2003032477A3
An integrated magnetic assembly (100) that allows the primary and secondary windings of a transformer and a separate inductor winding to be integrated on a unitary magnetic structure (102) is disclosed. The unitary magnetic structure (10...  
WO/2003/081614A1
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 stamping, is mounted across the hole (3). Then, the...  
WO/2003/079379A1
A composite core nonlinear reactor comprising a first core member of high permeability material forming a continuous annular magnetic path, a second core member of high permeability material forming an annular magnetic path locally broke...  
WO2003007682A3
An emission control device (10) and method are provided for treating exhaust to reduce pollutants contained therein. The device (10) includes a first chamber (16) through which the exhaust passes. First and second grids (26 & 30 respecti...  
WO2003010876A3
The switched-mode power supply according to the invention has a power factor correction circuit, which operates on the principle of a current pump and has a first coil (L15) for damping voltage spikes, as well as a second coil (L19) for ...  
WO/2003/060930A1
A powder magnetic core prepared by the compression molding of a magnetic powder, wherein the magnetic powder is made of an alloy having a composition: Si: 1 to 10 wt %, O: 0.1 to 1.0 and balance: Fe, and the magnetic core comprises the a...  
WO/2003/058651A1
A noise filter for efficiently filtering out noise generated by a noise generation source inside an outdoor unit of an air conditioner in which power from the master power source is supplied through the outdoor unit to the indoor unit. P...  
WO/2003/032477A2
An integrated magnetic assembly (100) that allows the primary and secondary windings of a transformer and a separate inductor winding to be integrated on a unitary magnetic structure (102) is disclosed. The unitary magnetic structure (10...  
WO2002059914A3
An inductive device (10) comprises an electric winding componen t (14) having a generally toroidal shape, and a plurality of discrete magnetic components (12) at least partially embracing the electric winding component (14) so as to comp...  
WO/2003/030191A1
An inductance device includes terminals (9) which are mounted to the inductance device from outside of a ring core (7). A fit-section (12) of one of each terminal (9) is bent along an outer wall (14), an upper face (15) of a groove (19),...  
WO/2003/010876A2
The switched-mode power supply according to the invention has a power factor correction circuit, which operates on the principle of a current pump and has a first coil (L15) for damping voltage spikes, as well as a second coil (L19) for ...  
WO/2003/007682A2
An emission control device (10) and method are provided for treating exhaust to reduce pollutants contained therein. The device (10) includes a first chamber (16) through which the exhaust passes. First and second grids (26 & 30 respecti...  
WO/2002/103724A1
A device for absorbing axial and radial short-circuit forces in a cable-wound inductor where a fixing member (10) with its inner envelope surface surrounds th ecable winding (4) of the inductor.  
WO/2002/078022A1
A high frequency power inductance element capable of remarkably reducing a leakage by remarkably reducing an interwinding capacity, remarkably increasing a heat radiation from coils, and remarkably improving a productivity and a cost, co...  
WO/2002/059914A2
An inductive device (10) comprises an electric winding componen t (14) having a generally toroidal shape, and a plurality of discrete magnetic components (12) at least partially embracing the electric winding component (14) so as to comp...  
WO/2002/050849A1
A choke coil which can be arranged tightly on an electronic circuit board (high-density mounting) and can be used over a wide band up to a microwave band while preventing oscillation due to magnetic coupling of choke coils. The choke coi...  

Matches 451 - 500 out of 10,853