Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
10/2012
10/04/2012WO2012131402A2 Electrical devices
10/04/2012WO2012130687A1 Current transformer for three-phase equipment
10/04/2012US20120248892 Inductive power transfer system
10/04/2012US20120248885 Circuit for generating a direct current voltage and method thereof
10/04/2012DE102012204875A1 Induktives Ladesystem für ein Elektrofahrzeug Inductive charging system for an electric vehicle
10/04/2012DE102011082232A1 Zündspule mit verbessertem Wärmeverhalten Ignition coil with improved thermal performance
10/03/2012EP2506273A1 Cooling structure for magnet-fitted reactor
10/03/2012EP2504847A2 Combination wire connector and current transformer
10/03/2012CN202475708U Active loudspeaker adopting non-conductor contact electricity transmission technology
10/03/2012CN202473588U Outdoor current transformer
10/03/2012CN202473587U Feedthrough type current transformer
10/03/2012CN202473586U Insulation structure of current transformer for electric locomotive
10/03/2012CN202473585U Sulfur hexafluoride current transformer with spherical shell
10/03/2012CN202473584U Secondary lead fixing head of transformer
10/03/2012CN202473583U Discharge potential transformer (PT) for assembling type 10kV parallel capacitor
10/03/2012CN202473582U Improved voltage transformer
10/03/2012CN202473581U Mutual inductor adopting crimping manner
10/03/2012CN202473580U Electromagnetic coupler
10/03/2012CN202473579U Ignition coil for pulse igniter
10/03/2012CN202473578U Inductive ballast
10/03/2012CN102714093A Contactless coupling and method for use with electrical appliance
10/03/2012CN102714092A Flux guiding structure
10/03/2012CN102713254A Multiplexing drive circuit for an AC ignition system
10/03/2012CN102709045A Combined mutual inductor
10/03/2012CN102709044A Integrated electronic mutual inductor device
10/03/2012CN102709043A High voltage sulfur hexafluoride gas-insulated current transformer with ultrahigh frequency partial discharge monitoring functions
10/03/2012CN102709042A Current transformer
10/03/2012CN102704918A Connecting device for well bore signal transmission
10/03/2012CN102005291B Mutual inductor in current transformer
10/03/2012CN101908413B Current transformer for supplying power for electronic device
10/03/2012CN101697316B Heavy-current micro mutual inductor satisfying basic insulation
10/03/2012CN101572421B Wireless power charging system
10/03/2012CN101437350B X-ray CT device and method of manufacturing the same
09/2012
09/27/2012WO2012128027A1 Magnetic element for wireless power transmission and method for manufacturing same
09/27/2012WO2012127953A1 Coil module, electricity-receiving device of non-contact electricity supply device provided with same, and non-contact electricity supply device provided with same
09/27/2012WO2012127936A1 Coil module, power receiving device of non-contact power supply device provided with same, and non-contact power supply device provided with same
09/27/2012WO2012127293A2 Device for preventing the explosion of an on-load tap changer equipped with a rupture element
09/27/2012WO2012126884A2 Series voltage regulator with electronics protected against short-circuits by magnetic circuit-based decoupling using holes and windows
09/27/2012US20120243140 Circuit protection device for use in medium and high voltage environments
09/27/2012US20120242168 Power-over-ethernet relay system, power injector and access bridge device
09/27/2012US20120242166 System for transmitting electric power from a wall to a leaf hingeably fastened to said wall
09/27/2012US20120242165 Method and device for transmitting electric power from a wall to a leaf hingeably fastened to said wall
09/27/2012US20120242164 Coupled inductor system having multi-tap coil
09/27/2012US20120242158 Wireless power transmitter and wireless power transceiver
09/26/2012EP2502258A1 Apparatus and method for coupling rf and ac signals to provide power to a multipole in a mass spectrometer
09/26/2012EP2502244A1 Contactless coupling and method for use with an electrical appliance
09/26/2012CN202454434U Built-in current transformer
09/26/2012CN202454433U Miniature current transformer
09/26/2012CN202454432U Bushing type electronic type current transformer
09/26/2012CN202454431U Novel intermediate-frequency current transformer
09/26/2012CN202454430U Voltage transformer with fuse protector
09/26/2012CN202454429U Fixing structure for primary conductor of mutual inductor
09/26/2012CN202454428U Low-energy consumption high-conductivity transformer
09/26/2012CN202454427U 点火线圈 Ignition coil
09/26/2012CN102695629A Inductive charging system for electric vehicle
09/26/2012CN102005292B Antirust open type current transformer
09/26/2012CN101923109B Lightning waveform monitoring system for power transmission line leads
09/26/2012CN101741179B Motor structure with rotation detector
09/26/2012CN101577175B Electronic current transformer signal reduction method based on Rogowski coil
09/25/2012US8274178 System of transmission of wireless energy
09/20/2012WO2012124029A1 Coil unit, power transmission device, external power supply device, and vehicle charging system
09/20/2012WO2012123231A1 Rotor blade adjustment arrangement and method with contactless electrical energy supply and associated wind energy installation
09/20/2012WO2012064063A3 Magnetic energy-transmitting element and power source device for cancelling out electrical noise
09/20/2012WO2012015839A3 Multi-loop wireless power receive coil
09/20/2012US20120235634 Wireless energy transfer with variable size resonators for medical applications
09/20/2012US20120235633 Wireless energy transfer with variable size resonators for implanted medical devices
09/20/2012US20120235507 Apparatus and method for high efficiency variable power transmission
09/20/2012US20120235502 Multi-resonator wireless energy transfer for implanted medical devices
09/20/2012DE102011081076A1 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
09/20/2012DE10154800B4 Stabspule für Zündanlagen Bar coil for ignition systems
09/19/2012CN202444192U Mutual inductor expander outer shell fixing connecting piece
09/19/2012CN202443855U Comprehensive conditioning module for squirrel-cage hollow current transformer
09/19/2012CN202443854U A current transformer
09/19/2012CN202443853U Digital high voltage potential transformer shell
09/19/2012CN202443852U Cascade high-potential energy supplying device
09/19/2012CN202443851U Automobile ignition coil capable of preventing electricity conduction
09/19/2012CN202443850U Ignition coil
09/19/2012CN202443849U Ignition coil
09/19/2012CN202443848U Powder alloy grouped ignition coil
09/19/2012CN202443824U Mutual inductor
09/19/2012CN202441529U Ignition coil
09/19/2012CN102682985A High-voltage electronic type voltage transformer
09/19/2012CN102682984A High-voltage mutual inductor shielding component
09/19/2012CN102682983A Resolver
09/19/2012CN102682982A Ignition coil for internal combustion engines
09/19/2012CN102682981A 点火线圈装置 Ignition coil device
09/19/2012CN102682980A Integrated inductor, parallel current-equalizing circuit and inverter with parallel current-equalizing circuit
09/19/2012CN102680759A Electronic transformer based on chained capacitor bank resistance-capacitance voltage division
09/19/2012CN102169754B Current and voltage transformer
09/18/2012US8269456 Secondary module for battery charging system
09/18/2012CA2512164C Data transmission system for a downhole component
09/13/2012WO2012121177A1 Ignition coil for internal combustion engine
09/13/2012WO2012120896A1 Contactless charging module, contactless charging device, and method of manufacturing contactless charging module
09/13/2012WO2012120562A1 Headlamp light source lighting apparatus
09/13/2012WO2012119919A1 Current-rise limitation in high-voltage dc systems
09/13/2012US20120230521 Inductively chargeable audio devices
09/13/2012US20120228960 Wireless energy transfer
09/13/2012US20120228959 Apparatus and method for implementing a differential drive amplifier and a coil arrangement
09/13/2012US20120228958 Apparatus, System, and Method for Multicoil Telemetry
09/13/2012US20120228954 Tunable wireless energy transfer for clothing applications
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 136