Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
01/2007
01/17/2007CN1898999A Cold-cathode tube lighting device
01/17/2007CN1898998A Cold-cathode tube lighting device
01/17/2007CN1897185A Electromagnetic power-supply general switch
01/17/2007CN1897175A Iron core for stationary apparatus and stationary apparatus
01/17/2007CN1295948C Empty-core coil adopting printed circuit board structure
01/17/2007CN1295720C Voltage transformer arrangement
01/17/2007CN1295719C 远程智能型变压器 Remote Intelligent Transformer
01/17/2007CN1295717C High quality factor inductance in HF integrated circuit
01/17/2007CN1295715C Powder magnetic core and HF reactor therewith
01/16/2007US7164584 Modular heatsink, electromagnetic device incorporating a modular heatsink and method of cooling an electromagnetic device using a modular heatsink
01/16/2007US7164340 Transformer for switching power supply
01/16/2007US7164338 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
01/16/2007US7164255 Inductive battery charger system with primary transformer windings formed in a multi-layer structure
01/11/2007WO2007004483A1 Method for manufacturing laminated coil and laminated coil
01/11/2007WO2007003736A1 Device for preventing the explosion of an electrical transformer
01/11/2007WO2007003595A1 Electric component
01/11/2007WO2007003537A1 Tap changer
01/11/2007US20070008060 Total Fluid Conductivity Sensor System and Method
01/11/2007US20070008059 Misregistration-tolerant overlay inductors
01/11/2007US20070008057 Transformer with regulating component
01/11/2007US20070008055 Superconductor magnet coil configuration
01/11/2007US20070007623 Method to fabricate horizontal air columns underneath metal inductor
01/11/2007US20070006858 Method for producing an individual ignition coil and coil thus obtained
01/10/2007EP1742232A2 Iron core for stationary apparatus and stationary apparatus
01/10/2007EP1742230A1 Multilayer insulated wire and transformer using the same
01/10/2007EP1741112A2 Embedded toroidal transformers in ceramic substrates
01/10/2007CN2857174Y Dual-layer spiral coil layered stay limiter of liquid-immersed power transformer
01/10/2007CN2857173Y Reinsin filled drying iron core reactor coil
01/10/2007CN2857172Y Transformer
01/10/2007CN2857171Y Folding-board radiator of underground transformer
01/10/2007CN2857170Y Current transformer closure head for preventing electricity from stolen
01/10/2007CN2857169Y Electromagnetic bottle for transformer
01/10/2007CN2857168Y Annular iron-core assembly
01/10/2007CN2857163Y Cable for rewinding
01/10/2007CN1894756A Method of forming and testing the formation of amorphous metal objects
01/10/2007CN1894755A 变压器 Transformer
01/10/2007CN1894754A Bushing
01/10/2007CN1894565A Device and method for monitoring a gas volume in a unit filled with liquid
01/10/2007CN1892933A Method for realizing output higher than input by comination of electromagnet and transformer
01/10/2007CN1892932A Magnetic element
01/10/2007CN1892929A High-pressure insulation core with lining layer
01/10/2007CN1892927A Multilayer insulated wire and transformer using the same
01/10/2007CN1294597C Multi-layer insulating wire and transformer using it
01/09/2007US7161458 Electromagnetic device having independent inductive components
01/09/2007US7161456 Systems and methods for driving large capacity AC motors
01/09/2007US7161455 Method and arrangement for securing sensors in an electricity meter
01/09/2007US7161454 Apparatus and method for cooling electrical transformers
01/09/2007US7161446 Noise filter
01/09/2007US7161263 Low voltage low loss piezoelectric driver and switching apparatus
01/04/2007WO2007000352A1 Swinging choke for light applications
01/04/2007US20070001796 Printed circuit board with integrated inductor
01/04/2007US20070001793 Electric transformer explosion prevention device
01/04/2007US20070001660 Transformer balance circuit
01/04/2007DE102005028814A1 Zündspule für eine Brennkraftmaschine Ignition coil for an internal combustion engine
01/03/2007EP1739695A1 Multilayer coil
01/03/2007EP1183696B1 Capacitively controlled high-voltage winding
01/03/2007CN2854781Y Iron-core separation transformer
01/03/2007CN2854780Y Wireframe structure of converter transformer
01/03/2007CN2854667Y Control device for cooling fan of transformer
01/03/2007CN1889208A Regulating transformer brush assembly guiding mechanism
01/03/2007CN1889207A Oil immersed transformer outdoor mounting base with oil-water separating function
01/03/2007CN1889206A Transformer radiating method and matched forced wind radiating apparatus
01/03/2007CN1293580C Composite magnetic body, magnetic element and mfg. method thereof
01/03/2007CN1293579C Axial-flow ventilating machine for transformer
01/02/2007USRE39453 Low profile inductive component
01/02/2007US7158005 Embedded toroidal inductor
01/02/2007US7158004 Integrated circuit inductors
01/02/2007US7158002 Primary wire winding having optimized package dimensions for a pencil-style ignition coil
01/02/2007US7158001 Choke coil and electronic device using the same
12/2006
12/28/2006WO2006063193A3 3-d transformer for high frequency applications
12/28/2006WO2004064084A3 Self-damped inductor
12/28/2006US20060290460 Ultra-thin flexible inductor
12/28/2006US20060290459 Optimal Packaging Geometries of Single and Multi-layer Windings
12/28/2006US20060290458 Magnetic element
12/28/2006US20060290456 Intermediate frequency transformer
12/28/2006US20060290454 Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module
12/28/2006DE102005049201A1 Internal combustion engine ignition coil apparatus includes receiving portion having radially outwardly projecting V-shaped cross-sectional shape when sectioned axially
12/28/2006DE102005028572A1 Fold magnetic core for hall sensor arrangement, has air gap bridged by yoke bodies overlapping with side pieces, where specific distance exhibits between bodies and pieces, and space provided between fold positions
12/28/2006DE102005027943A1 Trägervorrichtung für eine Ringkerndrossel, Halterung für ein induktives Bauelement und induktives Bauelement A carrier device for a toroidal core choke, holder for an inductive component and inductive component
12/28/2006DE102005027942A1 Haltevorrichtung, Trägervorrichtung für eine Ringkerndrossel und induktives Bauelement Holding device, carrier device for a toroidal core choke and inductor
12/27/2006EP1737003A1 Soft magnetic material and dust core
12/27/2006EP1735802A1 An inductive coupler
12/27/2006EP1735801A1 Method and device for detecting the degree of pollution in an operational converter
12/27/2006EP1735800A1 Winding for a transformer or a coil and method for the production thereof
12/27/2006EP1735799A1 Electrical insulator, especially for medium and high voltages
12/27/2006EP1611666B1 Switched-mode power supply unit
12/27/2006CN2852346Y Transformer and lamp tube circuit utilizing the same
12/27/2006CN2852344Y Loaded voltage-regulating amorphous alloy power transformer
12/27/2006CN2852343Y Three-phase self-coupled voltage-regulating amorphous alloy transformer
12/27/2006CN2852342Y Conductive casing for transformer
12/27/2006CN2852341Y Balance transformer with assistant winding
12/27/2006CN1885658A Device for restraining AC transformer DC magnetic bias current
12/27/2006CN1885451A 线圈部件 Coil assembly
12/27/2006CN1885450A Three-phase wound core and three phase transformer
12/27/2006CN1885449A Amorphous transformer and insulated paper manufacturing machine
12/27/2006CN1885437A Protection box for preventing electricity theft from low voltage outlet of transformer above 400KVA
12/27/2006CN1885044A Differential current measuring apparatus, tripping device and switchgear
12/27/2006CN1292443C Coil circuit board and its producing method and surface mounted type coil element
12/26/2006US7154368 Magnetic core winding method, apparatus, and product produced therefrom
12/26/2006US7154366 Bobbin module of transformer