Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
03/2008
03/18/2008US7345567 Inverter transformer
03/18/2008US7345566 Magnetic element
03/18/2008US7345562 Method for making a high current low profile inductor
03/18/2008US7345561 Frequency converter with fan cooling
03/18/2008CA2156628C A compact coil assembly for transient voltage protection
03/13/2008WO2008028663A1 Transformer with a plug-in laminate winding
03/13/2008WO2007057434A3 Device for the transmission of a current and/or a signal
03/13/2008US20080062589 High-voltage power supplies
03/13/2008US20080061919 Insulators for transformers
03/13/2008US20080061915 Dry-type transformer with shielded core/coil assembly and method of manufacturing the same
03/13/2008US20080061746 Capacitor charging apparatus
03/13/2008US20080061630 Device for Distributing Power Between Cathodes of a Multipolar Electrode, in Particular of an Implant
03/13/2008DE102006062205A1 Hochspannungstransformator High voltage transformer
03/12/2008EP1897102A1 Tap changer
03/12/2008EP1374314A4 Integrated toroidal coil inductors for ic devices
03/12/2008EP1277216B1 Bulk stamped amorphous metal magnetic component
03/12/2008CN201036160Y Feed-through current transformer using puncture method to obtain voltage from cladded conductor
03/12/2008CN201036159Y Feed-through current transformer with anti-theft electric face shield
03/12/2008CN201036158Y Current mutual inductor with anti-theft electric secondary connection cover
03/12/2008CN201036156Y Current mutual inductor with connection cable
03/12/2008CN201036155Y Current transformer
03/12/2008CN201036154Y Current mutual inductor
03/12/2008CN201036150Y Outdoor compound insulation voltage mutual inductor
03/12/2008CN201036149Y Outdoor compound insulation current mutual inductor
03/12/2008CN201036146Y Single-phase traction transformer of secondary side center tap
03/12/2008CN201036144Y Auxiliary transformer of permanent-magnet motor dedicated for pumping unit
03/12/2008CN201036143Y Great current bearable and continuously adjustable microinductor unit
03/12/2008CN201036142Y Low impact current annular transformer
03/12/2008CN201036141Y Oil-immersed type transformer with denoise buffering device
03/12/2008CN201036140Y Winding structure for transformer
03/12/2008CN201036139Y Vertical type high insulating strength control transformer
03/12/2008CN201036138Y Ceramic pressing block of flame-proof transformer
03/12/2008CN201036137Y Lower cushion block adjustable structure of transformer coil
03/12/2008CN201036136Y Choke transformer traction coil leading device
03/12/2008CN201036135Y Electricity-saving winding
03/12/2008CN201036134Y Induction filtering commutator transformer
03/12/2008CN201036133Y Dual-frequency transformer
03/12/2008CN201036132Y Novel A. C. welder
03/12/2008CN201036131Y Rectangle winding wire for reactor
03/12/2008CN201036130Y Clampingpiece insulation of explosion-proof transformer
03/12/2008CN201036129Y Iron core assembly and coil compaction structure of amorphous alloy drying transformer
03/12/2008CN201036128Y Pressing device of three-phase five-limb iron core side-yoke of explosion-proof transformer
03/12/2008CN201036127Y Choke transformer iron core clamp
03/12/2008CN201036126Y Transformer
03/12/2008CN201036125Y Corrugated transformer tank
03/12/2008CN201036124Y Glass moisture absorber with hood
03/12/2008CN201036123Y Multifunctional combination type corrugated expansion oil storage cabinet
03/12/2008CN201036122Y Single track external oil corrugated oil conservator
03/12/2008CN201036121Y Oil circulation cooling device of water, gas dual-condensing transformer
03/12/2008CN201036120Y Integrated combination type wind power generation collecting transformer device
03/12/2008CN201036119Y Heat radiator of reducing inside coiling heat resistance of transformer
03/12/2008CN201036118Y Rainproof pressure release valve for power transformer
03/12/2008CN201036117Y Amorphous alloy drying transformer
03/12/2008CN201036116Y Low-voltage export anti-theft electric protection case fit for 400KVA or above transformer
03/12/2008CN201036115Y Transformer anti-theft device
03/12/2008CN201036113Y Improved iron core common mode filter
03/12/2008CN201036112Y Novel inductor for coil using magnetic shielding
03/12/2008CN201036111Y Retardation coil for lighting device
03/12/2008CN201035065Y Current mutual inductor for ROGOWSKI instrument
03/12/2008CN101142641A Multilayer coil component
03/12/2008CN101142639A Integrated circuit transformer devices for on-chip millimeter-wave applications
03/12/2008CN101142638A Interleaved three-dimensional on-chip differential inductors and transformers
03/12/2008CN101142305A Method for removal of reactive sulfur from insulating oil
03/12/2008CN101140824A Multiple pulse wave high-pressure frequency conversion rectifier transformer of accurate controlling semi-abruption electric impedance
03/12/2008CN101140823A Transformer device structure and manufacture method
03/12/2008CN101139511A Binder for electric insulating ceramic jacket and binding method of ceramic jacket
03/12/2008CN100375360C Method for controlling surge when transformer switch-on using split-phase switch-on and its circuit
03/11/2008US7342478 Structure for high voltage bearable transformers
03/11/2008US7342476 Leakage transformer
03/11/2008US7342475 Coil arrangement and method for its manufacture
03/11/2008CA2419075C Energy supply unit for transmitting auxiliary energy to an electrical device
03/11/2008CA2317346C Loosely coupled rotary transformer having resonant circuit
03/06/2008WO2008027166A2 Transformers with improved voltage-step-down ratios and dc-to-dc power converters employing same
03/06/2008WO2008027003A1 High voltage device, high voltage bushing and method of assembling said device
03/06/2008WO2008026992A1 High voltage transformer with a shield ring, a shield ring and a method of manufacture same
03/06/2008WO2008025683A1 Ignition coil, particularly for an internal combustion engine in a motor vehicle
03/06/2008WO2007138525A3 Transformer
03/06/2008US20080055879 Lamp transformer
03/06/2008US20080055035 Supporting Component, Interference Suppression Coil Device and Method for the Manufacture Thereof
03/06/2008US20080055034 Inductor using drum core and method for producing the same
03/06/2008US20080055033 Transformer and assembling process thereof
03/06/2008US20080054874 Power Converter Employing Regulators with a Coupled Inductor
03/06/2008DE202007018225U1 Befestigungseinrichtung für einen Netztransformator einer mobilen Schneidvorrichtung für durch Wärmeeinwirkung zu trennende Körper Fastening device for a power transformer of a mobile device for cutting to be separated by heat body
03/06/2008DE102004001859B4 Induktives Bauelement mit zwei Wicklungen und Herstellverfahren Inductive component with two windings and manufacturing
03/05/2008EP1895552A1 Highly heat-resistant static device for electric power
03/05/2008EP1895549A1 Inductive element
03/05/2008EP1323228A4 Reduction of capacitance effects in potential transformers
03/05/2008CN201032609Y Highly effective independent type planar transformer
03/05/2008CN201030325Y Electromagnetic iron remover
03/05/2008CN101138056A Rotational transmitter
03/05/2008CN101136284A Lock connect backbone for difference/common mode electromagnetic interference suppresser
03/05/2008CN101136283A Reverse-phase convertor
03/05/2008CN101136282A High voltage shield
03/05/2008CN101136281A High voltage transformer with a shield ring, a shield ring and a method of manufacture same
03/05/2008CN101136280A High voltage device, high voltage bushing and method of assembling said device
03/05/2008CN101136270A 高压套管 High voltage bushing
03/05/2008CN101136268A High voltage DC bushing and device comprising such high voltage bushing
03/04/2008US7339453 Differential mode inductor with a center tap
02/2008
02/28/2008WO2008024061A1 A method of removing unwanted sulphur compounds from the insulating oil of an electrical apparatus
02/28/2008WO2008024060A1 A method of treating copper sulphide deposits in an electrical apparatus by the use of oxidising agents
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