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Patent Searching and Data


Matches 901 - 950 out of 9,057

Document Document Title
WO/2003/058650
A power toroid transformer (100) is provided. A plurality of conductors (103, 105) are equally spaced around the magnetic core (101). Each conductor partially encloses a portion of the core (101) and is adapted to be electrically connect...  
WO/2003/055632
The invention relates to electrotechnical engineering, in particular to devices for electric arc welding and to a method for producing the magnetic core of said devices. In order to reduce the mass of the device and improve the technical...  
WO/2003/052322
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/2003/052246
A direct fuel injection outboard marine engine having an improved spark ignition system. This spark ignition system includes a magnetic core-coil assembly for generating a high-voltage signal within a short period of time and an electron...  
WO/2003/052793
A flux generator base unit (406) electromagnetically couples with a portable device (400) to transfer energy into the portable device (400). The base unit (406) includes one or more permanent magnets (428) or flux shunts that are moved (...  
WO/2003/042532
The aim of the invention is a bar coil (11) for ignition units, embodied such as to have a high efficiency. Sad bar coil (11) comprises a core (14) in a central position as inner magnetic iron core and a return body (18) in the form of a...  
WO/2003/042499
A device for electrical coupling between a first (3) and a second (4) pipe section mechanically coupled to each other and forming a pipe adapted for transportation of a fluid. The first pipe section comprises a first electric winding (15...  
WO/2003/038959
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...  
WO/2003/008799
An ignition coil that has a construction allowing direct connection to an ignition plug and that does not need to change the installation space larger when mounted on a cylinder head&semi and an internal combustion engine ignition device...  
WO/2003/005380
The invention relates to a device for the inductive transmission of electrical power, comprising a power line which is situated on the primary side of said device and which consists of two wires which are guided in a parallel manner rela...  
WO/2002/097831
An ignition coil (1) comprises a case (2), a core (22) disposed in the case, a primary spool (25) substantially coaxially disposed on the outer periphery of the core in the case, a primary coil (26) wound on the primary spool, a secondar...  
WO/2002/094139
An apparatus for providing power to an implantable medical device comprises a primary side circuit for transmitting power in the form of magnetic flux; and a secondary side circuit for receiving the power transmitted from the primary sid...  
WO/2002/091399
The aim of the invention is to use core materials in inductive coupling systems for the subcutaneous transfer of energy or data, which exhibit great flexibility in their coil systems and increase effectivity. This is achieved by an induc...  
WO/2002/089158
A transformer having a reduced inner space, so as to reduce the amount of insulation seal material injected, a set substrate−dedicated area, size, and cost of the transformer. A low−voltage coil, a high−voltage coil, and a focus pa...  
WO/2002/071423
To improve the performance of an inductive coupling system, the magnetic coupling between the primary (4) and secondary (8) windings is increased by adding auxiliary windings (26,28) on the primary (2) and/or secondary (6) yokes of the a...  
WO/2002/071081
The invention relates to a transformer comprising a closed probe core (2) consisting of a soft magnetic material, a probe coil (3), at least part of which is wound around the probe core (2), a closed compensation core (1) consisting of s...  
WO/2002/067276
The invention relates to a rotary transformer for rotor-excited machines, particularly synchronous generators for motor vehicles. Said transformer comprises a primary element (14) with a primary nucleus (17) made of a magnetic conductive...  
WO/2002/065493
In a noncontact coupler wherein a primary coil (L1) and a secondary coil (L2) are wound around a pair of magnetic cores (1,1 ) by allotment with both open magnetic face sides of both the cores (1, 1) in proximity to form an annular close...  
WO/2002/063644
The invention relates to an arrangement for assembling an electrically conductive rod (5) that passes straight through a metal tank (1) in a sealed manner through the openings (7, 8) in two opposite walls (2, 3) of the tank. Said arrange...  
WO/2002/059920
A coil assembly includes a cylindrical ferrite core having a top end, a bottom end, an inner opening extending from the top and to the bottom end, a cylindrical outer surface, and a stepped portion formed at the bottom end, where the ste...  
WO/2002/056648
The invention relates to a high-voltage transformer comprising standard high-voltage elements (1, 8) positioned in such a way that the earth level (2) is located in the centre, from which point the negative potential increases progressiv...  
WO/2002/053226
A flexible primary coil for use in a transcutaneous energy transfer (TET) device. When in use, the primary coil conforms to the contours of a patient's body, and, more particularly, to the shape of the skin under which a secondary coil o...  
WO/2002/049049
The present invention relates to a high voltage transformer (e.g. for CRT display units) with an over voltage protection (OVP), comprising a primary, low voltage winding, a secondary, high voltage winding, and an over protection circuit,...  
WO/2002/037512
A varying voltage is applied to a conductive winding (61) that magnetically interacts with a magnetic body (60). The varying voltage causes the voltage induced in the winding to have such waveform and magnitude that the integral over tim...  
WO/2002/035578
An electrical lighting system (1) having a lampholder (3) and a lamp (2), preferably a high intensity discharge lamp. Both the lamp and lampholder have respectively an electrical winding (55, 32) wound on an electromagnetic core (58, 33)...  
WO/2002/025616
The invention relates to an inductive transformer for transmitting energy between two components (1, 2) which can move in relation to each other, comprising at least one primary (3, 5) and at least one secondary transformer part (4, 6). ...  
WO/2002/023301
A transformer (90) includes taps (96a, 96b, 96c) by which electrical contact can be made to winding section (90a, 90b, 90c) of the transformer (90) at locations along its length between its end terminals. A first switch (94) permits cont...  
WO/2002/023707
A transformer (24) includes a first winding (28) and a second winding (30) coupled to the first winding (28) through a magnetic circuit so that current through the first winding (28) induces a voltage across the second winding (30). The ...  
WO/2002/023561
An electromagnetic device and a high-voltage generating device which are thin and have excellent performances, wherein a magnetic core (3) is formed into a columnar shape by using a large-resistivity ferrite material. Winding is formed b...  
WO/2002/019350
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/2002/016825
A socket and a transformer for lamp, wherein a separation preventing means for a core inserted into the center hole of a bobbin is provided at a high-voltage side terminal, whereby the core can be surely fixed at a specified position dur...  
WO/2002/017335
A transformer for ignitor having primary and secondary windings wound on a bobbin, wherein a plurality of disk-shaped partition walls projecting radially all around the periphery and forming the multiple stages of winding grooves are ins...  
WO/2002/013213
The invention concerns a beacon system, in particular for the landing strip in an airport, comprising a power source (10) supplying a constant current to a primary circuit (12) and a plurality of beacon lights (14-1 to 14-6) each connect...  
WO/2002/007083
The invention relates to a wireless communication device that attaches using magnetic force in whole or part to an article of manufacture, or other material having a magnetic surface portion. The wireless communication device contains a ...  
WO/2001/095349
The invention provides a low voltage lighting assembly (10) which includes a power track (12) to which a plurality of low voltage light bulbs or lamps (18) are attached. The lighting assembly (10) further includes a transformer (13) for ...  
WO/2001/088931
The invention relates to an inductive translator composed of two spools (1, 2) with respective cores (3, 4), said cores (3, 4) being capable of moving in relation to each other. The translator comprises two integrated systems for a simul...  
WO/2001/086670
The current transformer includes a primary current conductor (10), wherein there are two current loops (30, 40) connected in parallel and essentially circular in shape and at least one gradiometer (50, 60) shaped essentially as a planar ...  
WO/2001/080444
The invention relates to a device for transferring electrical energy or signals between a base station (1) and several external units (2) which can be coupled to the base station in various positions in a contact-less manner. The inventi...  
WO/2001/080443
Disclosed is an arrangement for contacless transmission of electric signals or energy between several external mobile units (1, 2, 3) which can be connected to discrete positions of a stationary base unit. The invention is characterized ...  
WO/2001/080442
Disclosed is an array for contactless transmission of electrical signals or energy from at least one transmitter to several receivers. The invention is characterized in that each transmitter contains an alternating current source or a so...  
WO/2001/078458
A method and apparatus for heating substances such as beverages, soups, chemicals, etc., with heat produced by circulating electrical eddy currents. A magnetic flux generating base (20) produces a varying magnetic field by using an elect...  
WO/2001/078216
A flux generator base unit (20) electromagnetically coupled with a receiving unit to transfer energy into the receiving unit. The base unit (20) includes one or more permanent magnets (42) that produce a magnetic flux, which passes throu...  
WO/2001/071882
The invention relates to an electric suspended conveyor or a similar conveyor which is provided with transport units on a running rail. Said units can be driven by means of an electric drive. Energy is advantageously transmitted to the u...  
WO/2001/069271
The invention relates to an instrument transformer, in particular to a current transformer, comprising a primary winding, a secondary winding and a housing (1) for accommodating the secondary winding, the primary winding being wound onto...  
WO/2001/067471
An abnormal diagnosing device (20) mounted on an isolation transformer has an operation controller (27) for receiving a mutual induction signal generated in a primary coil (11) of the isolation transformer when a DC power from DC power s...  
WO/2001/067046
The invention relates to a system for generating electric energy from a magnetic field. Said system is characterized by a three-dimensional winding system comprised of a central core (1, 2, 3, 22) that is made of a magnetically active ma...  
WO/2001/058751
An ROV comprising a topside (12), a fish (10) and an umbilical cable (14) for connecting the topside (12) and the fish (10) together. The fish (10) is adapted to be powered by an onboard battery (52) inductively coupled to the fish (10)....  
WO/2001/057891
The invention concerns a so-called galvanic insulation device for coupling two electrical circuits used both for transporting direct or low frequency current and for transmitting medium or high frequency signals. Said device comprises tw...  
WO/2001/054150
A conventional transformer used for a DC/AC inverter circuit for operating a discharge lamp has a structure where the primary and secondary windings are held between a pair of magnetic cores, the gap between which is formed by a spacer. ...  
WO/2001/046972
A transformer includes a bobbin with spacers extending inwardly from the bobbin and a barrier extending outwardly from the bobbin. A ferrite core positioned within the bobbin is separated by the spacers to provide a controlled air gap. P...  

Matches 901 - 950 out of 9,057