Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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10/04/2012 | WO2012131402A2 Electrical devices |
10/04/2012 | WO2012130687A1 Current transformer for three-phase equipment |
10/04/2012 | US20120248892 Inductive power transfer system |
10/04/2012 | US20120248885 Circuit for generating a direct current voltage and method thereof |
10/04/2012 | DE102012204875A1 Induktives Ladesystem für ein Elektrofahrzeug Inductive charging system for an electric vehicle |
10/04/2012 | DE102011082232A1 Zündspule mit verbessertem Wärmeverhalten Ignition coil with improved thermal performance |
10/03/2012 | EP2506273A1 Cooling structure for magnet-fitted reactor |
10/03/2012 | EP2504847A2 Combination wire connector and current transformer |
10/03/2012 | CN202475708U Active loudspeaker adopting non-conductor contact electricity transmission technology |
10/03/2012 | CN202473588U Outdoor current transformer |
10/03/2012 | CN202473587U Feedthrough type current transformer |
10/03/2012 | CN202473586U Insulation structure of current transformer for electric locomotive |
10/03/2012 | CN202473585U Sulfur hexafluoride current transformer with spherical shell |
10/03/2012 | CN202473584U Secondary lead fixing head of transformer |
10/03/2012 | CN202473583U Discharge potential transformer (PT) for assembling type 10kV parallel capacitor |
10/03/2012 | CN202473582U Improved voltage transformer |
10/03/2012 | CN202473581U Mutual inductor adopting crimping manner |
10/03/2012 | CN202473580U Electromagnetic coupler |
10/03/2012 | CN202473579U Ignition coil for pulse igniter |
10/03/2012 | CN202473578U Inductive ballast |
10/03/2012 | CN102714093A Contactless coupling and method for use with electrical appliance |
10/03/2012 | CN102714092A Flux guiding structure |
10/03/2012 | CN102713254A Multiplexing drive circuit for an AC ignition system |
10/03/2012 | CN102709045A Combined mutual inductor |
10/03/2012 | CN102709044A Integrated electronic mutual inductor device |
10/03/2012 | CN102709043A High voltage sulfur hexafluoride gas-insulated current transformer with ultrahigh frequency partial discharge monitoring functions |
10/03/2012 | CN102709042A Current transformer |
10/03/2012 | CN102704918A Connecting device for well bore signal transmission |
10/03/2012 | CN102005291B Mutual inductor in current transformer |
10/03/2012 | CN101908413B Current transformer for supplying power for electronic device |
10/03/2012 | CN101697316B Heavy-current micro mutual inductor satisfying basic insulation |
10/03/2012 | CN101572421B Wireless power charging system |
10/03/2012 | CN101437350B X-ray CT device and method of manufacturing the same |
09/27/2012 | WO2012128027A1 Magnetic element for wireless power transmission and method for manufacturing same |
09/27/2012 | WO2012127953A1 Coil module, electricity-receiving device of non-contact electricity supply device provided with same, and non-contact electricity supply device provided with same |
09/27/2012 | WO2012127936A1 Coil module, power receiving device of non-contact power supply device provided with same, and non-contact power supply device provided with same |
09/27/2012 | WO2012127293A2 Device for preventing the explosion of an on-load tap changer equipped with a rupture element |
09/27/2012 | WO2012126884A2 Series voltage regulator with electronics protected against short-circuits by magnetic circuit-based decoupling using holes and windows |
09/27/2012 | US20120243140 Circuit protection device for use in medium and high voltage environments |
09/27/2012 | US20120242168 Power-over-ethernet relay system, power injector and access bridge device |
09/27/2012 | US20120242166 System for transmitting electric power from a wall to a leaf hingeably fastened to said wall |
09/27/2012 | US20120242165 Method and device for transmitting electric power from a wall to a leaf hingeably fastened to said wall |
09/27/2012 | US20120242164 Coupled inductor system having multi-tap coil |
09/27/2012 | US20120242158 Wireless power transmitter and wireless power transceiver |
09/26/2012 | EP2502258A1 Apparatus and method for coupling rf and ac signals to provide power to a multipole in a mass spectrometer |
09/26/2012 | EP2502244A1 Contactless coupling and method for use with an electrical appliance |
09/26/2012 | CN202454434U Built-in current transformer |
09/26/2012 | CN202454433U Miniature current transformer |
09/26/2012 | CN202454432U Bushing type electronic type current transformer |
09/26/2012 | CN202454431U Novel intermediate-frequency current transformer |
09/26/2012 | CN202454430U Voltage transformer with fuse protector |
09/26/2012 | CN202454429U Fixing structure for primary conductor of mutual inductor |
09/26/2012 | CN202454428U Low-energy consumption high-conductivity transformer |
09/26/2012 | CN202454427U 点火线圈 Ignition coil |
09/26/2012 | CN102695629A Inductive charging system for electric vehicle |
09/26/2012 | CN102005292B Antirust open type current transformer |
09/26/2012 | CN101923109B Lightning waveform monitoring system for power transmission line leads |
09/26/2012 | CN101741179B Motor structure with rotation detector |
09/26/2012 | CN101577175B Electronic current transformer signal reduction method based on Rogowski coil |
09/25/2012 | US8274178 System of transmission of wireless energy |
09/20/2012 | WO2012124029A1 Coil unit, power transmission device, external power supply device, and vehicle charging system |
09/20/2012 | WO2012123231A1 Rotor blade adjustment arrangement and method with contactless electrical energy supply and associated wind energy installation |
09/20/2012 | WO2012064063A3 Magnetic energy-transmitting element and power source device for cancelling out electrical noise |
09/20/2012 | WO2012015839A3 Multi-loop wireless power receive coil |
09/20/2012 | US20120235634 Wireless energy transfer with variable size resonators for medical applications |
09/20/2012 | US20120235633 Wireless energy transfer with variable size resonators for implanted medical devices |
09/20/2012 | US20120235507 Apparatus and method for high efficiency variable power transmission |
09/20/2012 | US20120235502 Multi-resonator wireless energy transfer for implanted medical devices |
09/20/2012 | DE102011081076A1 Curved type ignition coil device of internal combustion engine used in e.g. two wheeled motor vehicle, has intermediate structure that comprises spring that is provided between high-voltage terminal and spark plug |
09/20/2012 | DE10154800B4 Stabspule für Zündanlagen Bar coil for ignition systems |
09/19/2012 | CN202444192U Mutual inductor expander outer shell fixing connecting piece |
09/19/2012 | CN202443855U Comprehensive conditioning module for squirrel-cage hollow current transformer |
09/19/2012 | CN202443854U A current transformer |
09/19/2012 | CN202443853U Digital high voltage potential transformer shell |
09/19/2012 | CN202443852U Cascade high-potential energy supplying device |
09/19/2012 | CN202443851U Automobile ignition coil capable of preventing electricity conduction |
09/19/2012 | CN202443850U Ignition coil |
09/19/2012 | CN202443849U Ignition coil |
09/19/2012 | CN202443848U Powder alloy grouped ignition coil |
09/19/2012 | CN202443824U Mutual inductor |
09/19/2012 | CN202441529U Ignition coil |
09/19/2012 | CN102682985A High-voltage electronic type voltage transformer |
09/19/2012 | CN102682984A High-voltage mutual inductor shielding component |
09/19/2012 | CN102682983A Resolver |
09/19/2012 | CN102682982A Ignition coil for internal combustion engines |
09/19/2012 | CN102682981A 点火线圈装置 Ignition coil device |
09/19/2012 | CN102682980A Integrated inductor, parallel current-equalizing circuit and inverter with parallel current-equalizing circuit |
09/19/2012 | CN102680759A Electronic transformer based on chained capacitor bank resistance-capacitance voltage division |
09/19/2012 | CN102169754B Current and voltage transformer |
09/18/2012 | US8269456 Secondary module for battery charging system |
09/18/2012 | CA2512164C Data transmission system for a downhole component |
09/13/2012 | WO2012121177A1 Ignition coil for internal combustion engine |
09/13/2012 | WO2012120896A1 Contactless charging module, contactless charging device, and method of manufacturing contactless charging module |
09/13/2012 | WO2012120562A1 Headlamp light source lighting apparatus |
09/13/2012 | WO2012119919A1 Current-rise limitation in high-voltage dc systems |
09/13/2012 | US20120230521 Inductively chargeable audio devices |
09/13/2012 | US20120228960 Wireless energy transfer |
09/13/2012 | US20120228959 Apparatus and method for implementing a differential drive amplifier and a coil arrangement |
09/13/2012 | US20120228958 Apparatus, System, and Method for Multicoil Telemetry |
09/13/2012 | US20120228954 Tunable wireless energy transfer for clothing applications |