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US20120126923 SUBMERSIBLE DRY DISTRIBUTION TRANSFORMER  
It is described a single-phase or three-phase distribution electric transformer, of solid insulation, for use in aerial installation, in poles, in platforms or pedestals, or installation in...
US20140313679 HEAVY-CURRENT TRANSFORMER HAVING A MULTI-POINT CONTACTING, TRANSFORMER ELEMENT, CONTACT PLATE AND SECONDARY WINDING, AND METHOD FOR PRODUCING SUCH A HEAVY-CURRENT TRANSFORMER  
The invention relates to a heavy-current transformer (12), in particular for a power source (10) in order to provide a welding current of a resistance welding device (1), with at least one primary...
US20120007706 High Voltage Transformer  
A high voltage transformer for cascade coupling wherein the high voltage transformer comprises a primary winding, a high voltage winding and a transformer core, and wherein the primary and high...
US20130300526 COOLING SYSTEM FOR DRY TRANSFORMERS  
The disclosure is related to a dry transformer, which includes a transformer core with at least two parallel limbs and upper and lower yokes, and at least two hollow cylindrical coils, each...
US20130314185 TRANSFORMER COOLING APPARATUS AND TRANSFORMER ASSEMBLY INCLUDING THE SAME  
Provided are a transformer cooling apparatus and a transformer assembly including the same. The transformer cooling apparatus includes a first plate on which a transformer including a magnetic...
US20130043964 High-Frequency Transformer  
A high-frequency transformer includes a plurality of cores having a central leg, the cores being arranged to form core windows that are separated by the central legs. A primary winding has a...
US20090066453 CHOKE OF ELECTRIC DEVICE  
The present invention relates to a choke (1) of an electrical device, comprising at least one conductor (2, 3) wound into a coil having separate turns of the conductor wound on top of one another,...
US20110175695 HOUSING FOR AN ELECTRIC MACHINE  
The disclosure relates to a housing for an electric machine, for example, an electric power transformer, such as a dry-type transformer, with cooling channels being provided within the housing for...
US20120075048 INDUCTOR MOUNTING APPARATUS AND METHOD OF USE THEREOF  
The invention comprises an inductor mounting method and apparatus. An about annular inductor is mounted using a non-conducting mount element passing at least into a center opening of the inductor....
US20110227683 Induction Device  
An induction device for association with high voltage electric transmission systems having at least one core frame and at least one winding arranged around said core frame. The induction device...
US20080211611 Transformer with Electrical Shield  
A transformer, in particular an entirely cast resin transformer, includes at least one lower voltage winding and at least one upper voltage winding. The application of an electrical shielding...
US20110221554 TRANSFORMER SYSTEM  
To improve the cooling efficiency of a transformer operated in a wind power station, according to the present invention there is provided a cooling system. The cooling system comprises a...
US20090002110 Electric coil and core cooling method and apparatus  
Provided is an electrical apparatus comprising a magnetic core, a conductive coil wound around at least a part of the core, a cooling element configured to receive a cooling fluid to cool the core...
US20140062634 TRANSFORMER HAVING ASSEMBLED BOBBINS AND VOLTAGE TRANSFORMATION MODULE HAVING THE TRANSFORMER  
The present invention provides a transformer having assembled bobbins and a voltage transformation module having the transformer. The transformer includes a base, bobbins, secondary windings and...
US20120293290 COOLING STRUCTURE FOR MAGNET-EQUIPPED REACTOR  
A cooling structure for a magnet-equipped reactor includes: a magnet-equipped reactor having a core around which a coil is wound, and a magnet arranged to contact the core; and a cooling member...
US20120075047 TRANSFORMER CORE  
A transformer core for a power transformer, and a power transformer including such a transformer core are provided. The transformer core includes at least two transformer core laminations which...
US20120286914 POWER CONVERTER METHOD AND APPARATUS  
The invention comprises a power converter method and apparatus, which is optionally part of a filtering method and apparatus. A corona potential is the potential for long term breakdown of winding...
US20140132381 DRY-TYPE TRANSFORMER  
A dry-type transformer for mobile applications includes a transformer core, at least one radially inner first winding segment, and at least one radially outer, second hollow cylindrical winding...
US20100315161 Power Inductor  
A power inductor comprising a tube and one or more coils. The tube in one embodiment is generally cylindrical and comprises a liquid-cooled center portion, the tube further comprising an inner...
US20130181796 TRANSFORMER WINDING  
A transformer winding, having at least two multi-layered winding modules, which are connected electrically in series, extend about a common winding axis, and are nested one inside the other...
US20130021127 OPEN WOUND TRANSFORMER WITH DISC WINDINGS  
A dry power distribution transformer and a method of making the same are provided. The transformer has one or more high voltage windings, each of which includes a plurality serially connected...
US20130176092 COOLED TRANSFORMER HAVING AT LEAST ONE STRIP WINDING  
A strip winding for a transformer includes a plurality of winding modules each having a strip conductor wound around a winding axis. A winding segment is formed by at least two radially adjacent...
US20130278370 SPRING-SUPPORTED INDUCTOR CORE  
An inductor comprises a ferromagnetic core, a plurality of conductor turns encircling the ferromagnetic core, a bobbin, and a wave spring. The bobbin encloses the ferromagnetic core and supports...
US20120242442 WINDING ARRANGEMENT FOR AN INDUCTIVE COMPONENT  
The scope of the invention is a winding arrangement for an inductive component that consists at least of a core (9) and of a winding structure placed around the core and consisting of planar...
US20140184372 SYSTEM AND METHOD FOR MANUFACTURING MAGNETIC RESONANCE IMAGING COILS USING ULTRASONIC CONSOLIDATION  
The embodiments disclosed herein relate generally to magnetic resonance imaging systems and, more specifically, to the manufacturing of a gradient coil assembly for magnetic resonance imaging...
US20110215890 Providing A Transformer For An Inverter  
In one embodiment, a transformer is provided for coupling between a utility connection and a plurality of power cells of a drive system. The transformer may be of a horizontal arrangement and...
US20130321113 DRY-TYPE TRANSFORMER AND METHOD OF MANUFACTURING A DRY-TYPE TRANSFORMER  
A dry-type electrical transformer includes a coil assembly having at least one winding wound into a plurality of concentric turns, at least one cooling sector defined between adjacent concentric...
US20130307654 ELECTRICAL DEVICE WITH EMERGENCY COOLING SYSTEM  
An electrical device includes a winding, a primary cooling system, a secondary cooling system, and an actuator. The winding includes an interior portion and an exterior surface. The primary...
US20150137925 CONTACTLESS POWER TRANSFER TRANSFORMER  
According to one embodiment, a contactless power transfer transformer includes a both-sides wound coil. The both-sides wound coil includes an inter-magnetic-pole core portion between two magnetic...
US20140210124 Cast Split Low Voltage Coil With Integrated Cooling Duct Placement After Winding Process  
A coil for a transformer includes first and second coil segments with each coil segment being defined by successive layers of wound conductor sheeting. The coil segments are electrically connected...
US20110140821 TRANSFORMER  
A transformer having a coil which is wound with conductor material and which contains cooling channels through which a cooling fluid flows is provided. The cooling channels are formed by...
US20120161912 STATIONARY INDUCTION APPARATUS  
In a stationary induction apparatus, an inter-partial-coil insulating plate and a plurality of inter-partial-coil spacer insulators form a refrigerant flow path in conjunction with each other. A...
US20140176271 INDUCTOR SYSTEMS USING FLUX CONCENTRATOR STRUCTURES  
An apparatus (e.g., an inductor system) includes an elongate magnetic core, at least one coil wrapped around the magnetic core and a spacer configured to separate an inner side of the at least one...
US20110063062 DISC WOUND TRANSFORMER WITH IMPROVED COOLING  
A method of manufacturing a transformer that includes forming a disc-wound coil using a plurality of pre-formed cooling ducts. Each cooling duct may be supported by a support pipe secured between...
US20150170818 APPARATUS AND METHOD FOR MITIGATING THERMAL EXCURSIONS IN AIR CORE REACTORS DUE TO WIND EFFECTS  
An air core, dry type, power reactor (10) of the type having multiple concentrically positioned winding layers (12) extending along a central axis and above arms (24) of a first spider unit (16)...
US20120133467 INDUCTIVE COMPONENT EQUIPPED WITH A LIQUID COOLING AND A METHOD FOR MANUFACTURING AN INDUCTIVE COMPONENT  
The object of the invention is an inductive component equipped with a liquid cooling and a method for manufacturing an inductive component. The inductive component comprises at least a core (2)...
US20140132380 APPARATUS AND METHOD FOR THERMAL MANAGEMENT OF MAGNETIC DEVICES  
An apparatus includes a coil assembly, a core, and at least one cooling channel. The coil assembly includes at least one winding configured to receive a varying electrical current. The core...
US20110140822 ELECTRIC COIL AND CORE COOLING METHOD AND APPARATUS  
Provided is an electrical apparatus comprising a magnetic core, a conductive coil wound around at least a part of the core, a cooling element configured to receive a cooling fluid to cool the core...
US20130207763 COOLING DEVICE FOR ELECTRICAL DEVICE AND METHOD OF COOLING AN ELECTRICAL DEVICE  
A cooling device for an electrical apparatus having an air gap. The cooling device includes a heat transfer element coupled to the core. The heat transfer element includes a first material to...
US20130063234 HIGH POWER INDUCTOR AND IGNITION TRANSFORMER USING PLANAR MAGNETICS  
Described are methods and systems for using a planar inductor that includes a magnetically conductive core, a first planar coil and a second planar coil. The first and second planar coils are...
US20140216344 RF CHOKE FOR GAS DELIVERY TO AN RF DRIVEN ELECTRODE IN A PLASMA PROCESSING APPARATUS  
In large area plasma processing systems, process gases may be introduced to the chamber via the showerhead assembly which may be driven as an RF electrode. The gas feed tube, which is grounded, is...
US20150097644 MAGNETIC DEVICES WITH INTEGRAL COOLING CHANNELS  
A magnetic device includes an electrically insulating body and a conductor coil. The insulating body defines an internal cavity for a magnetic device core and a coolant channel routed about the...
US20130106547 Amorphous Core Transformer  
An amorphous core transformer is provided which is capable of effectively suppressing influences, fluctuation, displacement or the like of a coil caused by an electromagnetic mechanical force or...
US20170103841 MAGNETIC STRUCTURE  
A magnetic structure includes at least one bobbin and a core. Each of the bobbin has at least one winding portion in which a through passage is provided along its longitudinal direction, the core...
US20160329145 COOLING APPARATUS FOR MOLD TRANSFORMER  
Some embodiments in the present disclosure provide a cooling apparatus for mold transformers, which may be installed at opposite sides of a lower portion of the mold transformer having a first...
US20160307685 POWER CONVERTERS WITH IMMERSION COOLING  
A transformer assembly includes a housing with a sealed housing interior, a transformer disposed within the housing interior and having a core with windings wrapped about the core, and a condenser...
US20160249490 MAGNETIC DEVICES WITH INTEGRAL COOLING CHANNELS  
A magnetic device includes an electrically insulating body and a conductor coil. The insulating body defines an internal cavity for a magnetic device core and a coolant channel routed about the...
US20160133378 Welding Type Power Supply with Weld Transformer  
A method and apparatus for providing welding type power supply includes a power circuit and a control circuit. The power circuit receives input power and provides welding type power to a welding...
US20160125996 INDUCTOR APPARATUS FOR VEHICLE  
An inductor apparatus for a vehicle includes an inductor boosting member configured to boost an input voltage. An inductor case has an insertion groove configured to receive the inductor boosting...
US20160071644 COIL ASSEMBLY FOR A DRY TRANSFORMER, METHOD FOR MANUFACTURING A COIL ASSEMBLY AND DRY TRANSFORMER  
A coil assembly for a dry high-voltage transformer, having at least one coil with hollow cylindrical electrical winding and with taps, wherein the coil is surrounded at least on its radial outer...

Matches 1 - 50 out of 58 1 2 >