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WO/2008/088682 |
A method of arranging and fabricating parallel primary and secondary coils of a wideband planar transformer is provided. The spacing and width of the coils are disposed to extend the bandwidth from DC to GHz and allow for high frequency ...
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WO/2008/083838 |
The invention relates to a semiconductor module (500) for connecting to a transformer winding (132, 133; 408, 409), especially a welding transformer winding. An especially disk-shaped semiconductor component (501) is arranged between two...
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WO/2008/083690 |
By providing appropriate means for incorporating conductor material or by incorporating conducting material in the coil body material, a high dielectric strength can be achieved in high voltage applications without expensive conductor ma...
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WO/2008/084756 |
Disclosed is a magnetic powder for dust cores, which is excellent in insulation without decreasing magnetic flux density. Also disclosed are a dust core composed of such a magnetic powder, and a motor or reactor whose core is composed of...
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WO/2008/084757 |
In order to facilitate add-on of a reactor function without changing the structure of a transformer, the transformer is constituted such that an input side coil (1b) and output side coils (1a, 1c) are wound around a shell type core (2) a...
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WO/2008/080820 |
Power transformer/reactor immersed in oil comprising transformer/reactor core and windings accommodated in a tank (100) comprising tank base plate (110) and tank walls (120), a foundation (500) supporting the tank. An elongated continuou...
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WO/2008/074409 |
A method is described for winding a coil for a transformer, with the coil winding being introduced into a cylindrical, tubular insulating body. In order to shorten the coil length and to reduce the amount of insulating material, as well ...
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WO/2008/075487 |
This invention provides a transformer having such properties that the iron loss in a capacitance-iron loss characteristic curve (1) is not less than 4.85 Π(capacitance(kVA))0.613(W) and not more than 27.3 Π(capacitance(kVA))0.613(W),...
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WO/2008/071704 |
An insulation liquid for electrical or electromagnetic devices, the liquid comprises a carrier liquid and nano-particles. The nano-particles are non-magnetic and inorganic. An insulation system comprises an insulation liquid comprising a...
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WO/2008/069022 |
An electronic component having an external electrode extending from a short side on a lower surface of a laminated body has improved impact resistance. A laminated electronic component (1) is composed of a rectangular parallelepiped lami...
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WO/2008/067783 |
The invention relates to an arrangement for reducing the electric field strength on the face of an electrode (1), wherein the face of the electrode (1) is surrounded by at least one electric barrier (4) and a shielding electrode (3) havi...
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WO/2008/065824 |
A common mode choke coil in which the immunity characteristics are improved by employing such a coil structure that malfunction of a transmission IC or a reception IC can be prevented during a immunity test. The common mode choke coil co...
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WO/2008/065234 |
The invention pertains to the manufacture of inductive components and electric energy filters, particularly it relates to a modular inductive component. The method according to the invention makes it possible to manufacture effectively a...
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WO/2008/060342 |
A method and system of generating multipolar electromagnetic energy from bipolar electromagnetic energy, comprising supplying bipolar electromagnetic energy to plural cascades in a bipolar electromagnetic circuit such that at least a por...
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WO/2008/056006 |
The invention relates to a method for reducing common-mode current in communication devices that use the power grid as a transmission means, in order to adapt common-mode emission levels to comply with the regulations regarding power gri...
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WO/2008/055538 |
Cooling system for a dry-type air-core reactor An air-core reactor (4) with natural-air cooling of the winding (1a-1c) includes at least a first open space (3) to let air flow through the winding (1a-1c) in parallel with an axis of symme...
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WO/2008/056601 |
An antenna unit (1) comprising an antenna coil (2) for performing at least one of reception and transmission of an electromagnetic signal, a bobbin (3) around which the antenna coil (2) is wound, a core (4) contained in the bobbin (3), a...
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WO/2008/053613 |
A sheet-type transformer comprises a primary winding (1) formed in a flat plate shape and a secondary winding (6) wound around the axis vertical to the surface of the primary winding (1). The end (6a) of the secondary winding (6) on the ...
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WO/2008/049978 |
The invention relates to a device for prevention against the explosion of a member in an electric transformer (1) comprising a vessel (2) containing a combustible cooling fluid, comprising a pressure relief member (14) for depressurising...
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WO/2008/051147 |
A transformer comprises circuit board having a first and a second surface. A plurality of electrically conductive paths are provided on the first and second surfaces of the circuit board, wherein some of the electrically conductive paths...
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WO/2008/048040 |
An insulation transformer and a key input circuit having the same are disclosed. The insulation transformer includes: a core having a certain gap; and primary and secondary coils wound on the core. According to the insulation transformer...
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WO/2008/047713 |
Provided is an inductor which effectively uses a mounting space and has remarkably reduced radiation noise. The inductor is provided with a magnetic core (1) having a high magnetic permeability, and a coil element (2) integrally embedded...
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WO/2008/046236 |
To improve its fire resistance, the winding of a low voltage coil for a dry transformer is, at its circumferential surface, covered by a wrap (7) made up of four turns of a protective foil (8) comprising a layer consisting of woven glass...
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WO/2008/046253 |
A second-stage transformer system, wherein a first-stage transformer can be plugged in plug jacks, such as receptacles. Ac power supply is reduced to low voltage by the first-stage transformer considerably. Further, when voltage of elect...
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WO/2008/043389 |
Electric transformer (1,19) in a transformer tank (2) with electric contacts and an outer shell (3) enclosing the transformer tank (2), filled with a coolant (4). The coolant (4) in the outer shell (3) can be cooled by a cooling system (...
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WO/2008/044986 |
A high voltage corona grading ring for use with a high voltage device, where the corona ring comprises an electrically conductive body arranged to be electrically connected to the high voltage device. The conductive body comprises a laye...
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WO/2008/042257 |
A method for assembling electrical windings (146, 246) about an axis (142), the windings (146, 246) being strips and wound in alternating strata with their widths B parallel with the axis (142), includes the steps: (a) Winding a first-wo...
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WO/2008/042257 |
A method for assembling electrical windings (146, 246) about an axis (142), the windings (146, 246) being strips and wound in alternating strata with their widths B parallel with the axis (142), includes the steps: (a) Winding a first-wo...
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WO/2008/039208 |
An inductor 10, 100, 120 includes an inductor body 12, 102, 124 having a top surface 14 and a first 18 and second 20 opposite end surfaces. There is a void 28 through the inductor body between the first and second opposite end surfaces. ...
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WO/2008/035248 |
The apparatus 10 for electromagnetic energy transfer comprises a charging fixture 1 with a contact surface 4 and a generator coil 2 forming a resonator circuit with a capacitance. The charging fixture 1 is preferably arranged as an elong...
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WO/2008/034597 |
The invention relates to an integrated circuit arrangement and a use of supply cables. The integrated circuit arrangement (10; 20; 30; 40) has an inductive unit (11-16) and a switching component (18), - wherein the inductive unit (11-16)...
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WO/2008/033316 |
A low profile magnetic component with planar coil portion, polymer-based supporting structure and methods of fabrication.
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WO/2008/031200 |
The present invention is generally concerned with an inductance assembly that is so configured and sized as to be inserted inside the cooling assembly of an electric machine to thereby decrease the overall volume of the machine.
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WO/2008/033249 |
The invention is directed to a transformer and a method of manufacturing the same, wherein a core and coil assembly is disposed inside a protective case having an exterior surface that is at least partially covered with a conductive coat...
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WO/2008/033249 |
The invention is directed to a transformer and a method of manufacturing the same, wherein a core and coil assembly is disposed inside a protective case having an exterior surface that is at least partially covered with a conductive coat...
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WO/2008/028663 |
A transformer is disclosed which comprises a coil former for holding a first coil and a second coil, with at least one of the coils having a plug-in laminate winding; and the plug-in laminate winding has one or more turns which are arran...
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WO/2008/028663 |
A transformer is disclosed which comprises a coil former for holding a first coil and a second coil, with at least one of the coils having a plug-in laminate winding; and the plug-in laminate winding has one or more turns which are arran...
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WO/2008/027166 |
A transformer includes a primary winding, a secondary winding, and a transformer core having a first leg, a second leg and a third leg. The second leg is positioned between the first leg and the third leg, and the primary winding is woun...
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WO/2008/027003 |
A high voltage device comprises multi contacts as interfaces between internal components and bushings.
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WO/2008/025683 |
The invention relates to an ignition coil (10), particularly for an internal combustion engine in a motor vehicle. The ignition coil (10) comprises a magnet assembly (16) having an inner core (19) and an outer core (18). Furthermore a pr...
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WO/2008/027747 |
Disclosed is a lamp transformer and method of assembling a lamp transformer within an igniter module or housing. The lamp transformer comprises a potted bar core transformer; and a carrier attached to the potted bar core transformer, the...
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WO/2008/026992 |
A high voltage transformer comprising transformer housing, internal components, such as transformer core, yokes and windings, provided in the transformer housing. The internal components being submerged in trans- former oil and are provi...
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WO/2008/027747 |
Disclosed is a lamp transformer and method of assembling a lamp transformer within an igniter module or housing. The lamp transformer comprises a potted bar core transformer; and a carrier attached to the potted bar core transformer, the...
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WO/2008/027166 |
A transformer includes a primary winding, a secondary winding, and a transformer core having a first leg, a second leg and a third leg. The second leg is positioned between the first leg and the third leg, and the primary winding is woun...
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WO/2008/024060 |
A method of treating copper sulphide deposits on materials and surfaces that are in contact with electrically insulating oil inside an electrical apparatus, wherein a substantial amount of the electrically insulating oil, normally presen...
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WO/2008/024061 |
A method of treating copper sulphide deposits on materials and surfaces that are in contact with electrically insulating oil inside an electrical apparatus. The copper sulphide deposits on materials and surfaces are subjected to treatmen...
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WO/2008/020806 |
A heat exchanger for and method of cooling an electrical apparatus, which heat exchanger is arranged to transfer heat from one to the other of a first fluid flow (b) and a second fluid flow (a). At least the first fluid flow (b) is a fre...
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WO/2008/021958 |
An electronic component 10 including a core 20 having a wire 22 wound around a portion of the core with first and sec ends 22a, 22b being connected to terminals 24, 26 for mounting the component to corresponding lands in a circuit. Th co...
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WO/2008/021958 |
An electronic component 10 including a core 20 having a wire 22 wound around a portion of the core with first and sec ends 22a, 22b being connected to terminals 24, 26 for mounting the component to corresponding lands in a circuit. Th co...
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WO/2008/018558 |
A compact fluorescent lamp not inviting an increase of the size of the chalk coil and leading to power saving. A compact fluorescent lamp comprises a luminescent tube having a glass tube constituting a one electric discharge path and ele...
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