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Patent Searching and Data


Matches 401 - 450 out of 3,648

Document Document Title
WO/2004/064084A2
An inductor (106) 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 wound about a core (112) of magneti...  
WO/2004/061837A1
A magnetic field generator which is manufactured by a simple manufacturing technique such as plating and in which an eddy current is suppressed, and a magneto-optical information storage device capable of the high-speed recording/reprodu...  
WO/2004/061287A2
An electromagnetic actuator for a fluid pressure control valve in a fuel injector for an internal combustion engine is disclosed. The fuel injector comprises a control module including a fuel pressure control valve; an armature connected...  
WO2004042746A3
A bulk amorphous metal inductive device (1) comprises a magnetic core having at least low-loss bulk ferromagnetic amorphous metal magnetic components (2, 3) forming a magnetic circuit having an air gap therein. The device has one or more...  
WO/2004/043633A1
Disclosed is an SMD (surface mounting device) core using Fe-Si alloy powder and fabrication method thereof, by which excellent magnetic properties of the SMD core appear in radio frequency band, the SMD core having saturated magnetic flu...  
WO/2004/042746A2
A bulk amorphous metal inductive device (1) comprises a magnetic core having at least low-loss bulk ferromagnetic amorphous metal magnetic components (2, 3) forming a magnetic circuit having an air gap therein. The device has one or more...  
WO/2004/040597A1
An inductance part capable of obtaining sufficient inductance even if it is small-sized and height-reduced; and an electronic device using the same. An inductance part comprising a coil (21), a through hole (22) in the coil (21), and a m...  
WO/2004/040598A1
The invention relates to an end piece for magnetic coupling of core parts to a closed path for magnetic flux, characterized in that it comprises at least an abutment surface for abutment against the core parts and a magnetic path part, w...  
WO2003077603A3
The present invention provides a boosting transformer for microwave oven, which is low in high-frequency loss, hardly saturated, small in size and easy to produce. The boosting transformer includes a rod-like ferrite core; and primary, s...  
WO/2004/036605A1
A single-phase transformer (1) for powering neon lamps and similar, having a magnetic shell core (2), in turn having a central column (2a) extending along a given longitudinal axis (A), two lateral half-columns (2b) extending on opposite...  
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/2004/027793A1
Improved inductive apparatus (400) having controlled core saturation which provides a desired inductance characteristic with low cost of manufacturing. In one embodiment, a pot core (402) having a variable geometry gap is provided. The v...  
WO/2004/027795A1
A viscous body (4) is prepared by mixing a magnetic alloy powder, which has been magnetized in advance, with a resin. The viscous body (4) is applied to the upper surface of the center magnetic leg of an E-shaped core (2). A coil (3) and...  
WO/2004/025816A2
Non-linear inductor(s) are used to reduce the percent total harmonic distortion of the harmonics in the line currents in the input side rectifier system of an ac drive system. Several constructions for the non-linear inductor(s) are desc...  
WO/2004/017340A1
According to the invention, a continuous axial or radial opening (RE) is cut into a closed reactor core (DK) by means of a water-jet guided laser. The inventive method makes it possible to create a continuous radial opening (RE) from the...  
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 ...  
WO2003096512A3
There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least on...  
WO/2004/007987A1
An electromagnetic brake (100) comprising a fixed core (22), a movable core (24) facing one side (42) of the fixed core (22), and a coil (26) for moving the movable core (24) to vary the distance between the facing sides (42, 44) of the ...  
WO/2003/096512A2
There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least on...  
WO/2003/096361A1
There is disclosed a magnetic core component for receiving electrical power by induction. The core component includes a thin sheet of amorphous magnetic material in a substantially amorphous or non-annealed state. In contrast to known co...  
WO/2003/083881A1
An inductor assembly (20) includes a coil or coils of insulated conductor material defining an inside volume, an inner core (16) of magnetic core material located within the inside volume, and an outer core (15) of magnetic core material...  
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...  
WO/2003/077603A2
The present invention provides a boosting transformer for microwave oven, which is low in high-frequency loss, hardly saturated, small in size and easy to produce. The boosting transformer includes a rod-like ferrite core; and primary, s...  
WO/2003/075403A1
The size of an antenna coil is reduced and it is possible to prevent lowering of the reception sensitivity due to difference of the arrangement position of the antenna coil. On a winding frame (3) of a ferrite core (2), a first coil (5) ...  
WO2003008539A3
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...  
WO/2003/060932A1
The group of inventions relates to magnetic systems, in particular to a method for controlling the flux of electromagnet and to the structural design of an electromagnet which is used for carrying out said method. The inventive structure...  
WO/2003/060935A1
This transformer has improved cooling properties resulting in enhanced production of induced current.  
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/2003/052322A1
The present invention relates to an electronic ignition circuit for oil burners, in particular a high voltage high frequency ignition circuit, said circuit comprising an oscillator and a high frequency high voltage transformer wound on a...  
WO/2003/043033A1
The invention concerns an inductive component (10; 20; 30) having at least a winding (12; 22; 32) and a magnetic core (11; 21; 31) made of a powder ferromagnetic composite material. The invention is characterized in that said powder ferr...  
WO/2003/043034A1
A dual−core inductive device (200) having one or more core elements (210, 211) and a sleeeve (230) adapted to fit over the core element (210, 211). The device (200) is significantly less expensive to produce than prior art transformers...  
WO/2003/041247A1
An electromagnetic generator (10, 130, 150, 170) without moving parts includes a permanent magnet (12, 154, 174) and a magnetic core (16, 132, 156) including first and second magnetic paths (18, 20). A first input coil (26, 166) and a fi...  
WO/2003/038959A1
The invention relates to a rod coil (11) for ignition systems, said rod coil being especially used as an ignition coil in internal combustion engines of motor vehicles. The aim of the invention is to produce one such rod coil in such a w...  
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/2003/019587A1
The invention relates to a magnetically hard object and to a method for adjusting a magnetic vector of a magnetically hard object. The aim of the invention is to provide a magnetically hard object and a method for producing the same, sai...  
WO2002096262A3
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...  
WO/2003/010784A1
Disclosed is a low-priced and small-sized magnetic core for an inductor suitable for a high frequency signal and a large-current signal. The magnetic core is modified from a conventional EP type magnetic core. A recess is integrally form...  
WO/2003/008539A2
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...  
WO/2003/005384A1
A method for manufacturing a coil device comprising a step for manufacturing an air core coil (4), and a step for fixing the air core coil (4) to the periphery of a core (1). In the step for manufacturing an air core coil, an air core co...  
WO/2002/096262A2
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...  
WO2002069360A3
A coil component comprising; a coil 2 having a through-hole 1, a magnetic core including the coil, and a terminal 4, wherein magnetic core comprises a top portion 11 disposed at an upper part of the coil, a bottom portion 12 disposed at ...  
WO/2002/091406A1
An electric device (1) such as an inductor or a tranformer for mounting on a circuit board (77). The device contains firt and second core halves (3,33) which can be mated to one another. Each half contains an outer skirt (5) attached to ...  
WO2002059918A8
An inductive device (10) comprises a magnetic core (16) including a portion of a plurality of wires (18), an electric winding (20) extending around said magnetic core, with one or more of the plurality of wires (18) at least partially en...  
WO/2002/084676A1
A magnetic core having the outer surface thereof coated after annealing by heat treating to ensure an insulating property and a shape retainability without handling fragile amorphous alloy strip, and a magnetic core-use adhesive resin co...  
WO2002059915A3
An inductive device (10) comprises a magnetic core (16) including a portion of a plurality of wires (18), at least some electric winding (20) extending around the magnetic core, each of the plurality of wires substantially encircling the...  
WO2002065488A3
A presently-preferred method of manufacturing a stacked core for a magnetic-induction device comprises cutting a sheet of magnetic material into one or more strips of the magnetic material so that a width of each strip changes along a le...  
WO/2002/078020A1
An electromagnet core, wherein a core movable part is fitted between laminated second coil winding parts through a first fitting part, a first coil winding part is fitted between the laminated second coil winding parts through a second f...  
WO/2002/071420A1
The invention concerns an electromagnetic actuator comprising at least a coil (8) borne by a housing (1) and at least an actuating member (30) comprising a rod (15) mounted mobile along an axial direction (X) of the coil (8), the coil (8...  
WO/2002/069360A2
A coil component comprising; a coil 2 having a through-hole 1, a magnetic core including the coil, and a terminal 4, wherein magnetic core comprises a top portion 11 disposed at an upper part of the coil, a bottom portion 12 disposed at ...  
WO2002025677A3
A storage magnetic element, which minimizes the power loss in the planar winding due to the fringe magnetic field associated with a discrete air gap, is presented. The invention describes a construction technique wherein the magnetic cor...  

Matches 401 - 450 out of 3,648