Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
01/2011
01/05/2011CN101286415B A bidirectional sample and reset circuit for a current mutual inductor
01/04/2011US7863861 Contact-less power transfer
01/04/2011US7861403 Current transformer cores formed from magnetic iron-based alloy including final crystalline particles and method for producing same
12/2010
12/30/2010US20100327661 Packaging and details of a wireless power device
12/29/2010WO2010149195A1 Ignition coil with devices for connecting without welding
12/29/2010EP2266179A1 Inductive power supply system with multiple coil primary
12/29/2010EP1625601B1 Method of producing an individual ignition coil and coil thus obtained
12/29/2010CN201690146U Open type monitoring and protecting combined electrical apparatus
12/29/2010CN201689779U Electronic current transformer
12/29/2010CN201689778U Current transformer
12/29/2010CN201689777U SF6 current transformer
12/29/2010CN201689776U Shield isolation voltage transformer below 10 kV
12/29/2010CN201689775U Manganin mutual inductor preventing alternating magnetic field
12/29/2010CN201689759U Magnetic ring oscillator
12/29/2010CN201689125U Zero magnetic flux current sensor
12/29/2010CN101933107A Split shape closed loop current transducer
12/29/2010CN101930838A Electronic type voltage transformer
12/29/2010CN101567254B Method for assembling outer iron core of ignition coil
12/29/2010CN101477145B AC great current sensor
12/29/2010CN101442222B High voltage induction energy fetching power supply and method for obtaining power from high voltage line
12/29/2010CN101266877B Lighter for spark coil
12/28/2010US7859379 Transformer core and its manufacturing method
12/28/2010US7859378 Housing for inductive coupler for power line communications
12/23/2010WO2010146538A1 Segmented core transformer
12/23/2010US20100320963 Contact-less power transfer
12/22/2010CN201681713U Conveniently-operated oil nozzle
12/22/2010CN201681712U Integrated magnetic-control range-switchover current transformer
12/22/2010CN201681153U Three-phase program-controlled load case based on voltage transformer load error curve extrapolation
12/22/2010CN101924346A Current and zero-sequence difunctional mutual inductor
12/22/2010CN101923109A Lightning waveform monitoring system for power transmission line leads
12/16/2010WO2010143084A1 Contactless power chain
12/16/2010US20100314947 Multiphase inductive power supply system
12/15/2010EP2260557A1 A fault current limiter
12/15/2010CN201673803U 110-kilovolt high-voltage sulfur hexafluoride gas insulation current transformer
12/15/2010CN201673802U Increased safety magnetic balance current transformer
12/15/2010CN201673801U Voltage transformer secondary junction box
12/15/2010CN201673800U Outdoor voltage transformer
12/15/2010CN201673799U Gis开关柜互感器 Gis switchgear transformer
12/15/2010CN201673798U Novel mutual inductor
12/15/2010CN201673797U Four-cylinder igniting coil with kenetron
12/15/2010CN201673796U Static state distributed ignition coil
12/15/2010CN201673795U Transformer for luminescence of LED
12/15/2010CN101916648A Digital type linear alternating voltage transformer of multi-frequency range measurement and measuring method thereof
12/15/2010CN101916647A Multiband measurement digital linear alternating current transformer and measuring method thereof
12/15/2010CN101447327B Method for improving stain resistance of capacitor voltage transformer and device thereof
12/15/2010CN101388285B 1000kV electromagnetic standard voltage transformer for in-situ experiment and manufacturing method thereof
12/15/2010CN101217232B A total current type residual current operating device with functions of automatic tripping on element failures
12/14/2010US7852184 Coil module apparatus
12/14/2010US7849830 Spark plug
12/14/2010US7849586 Method of making a power inductor with reduced DC current saturation
12/09/2010WO2010140367A1 Magnetic sheet with mount and method for producing electronic component using the same
12/09/2010WO2010140297A1 Semiconductor device and signal transmission method
12/09/2010US20100307467 Ignition coil
12/09/2010DE102009026742A1 Stromwandlereinheit Current transformer unit
12/09/2010DE102009023409A1 System for transferring electrical energy between primary docking module and secondary transformer unit in vehicle, has secondary transformer unit located at bow or tail of vehicle
12/08/2010EP2259275A2 High frequency transformer and multi-output constant current source with high frequency transformer
12/08/2010CN201667500U Handcart with 24KV three-phase voltage mutual inductor and resonance eliminator
12/08/2010CN201667285U Bell-jar type sulfur hexafluoride current transformer structure
12/08/2010CN201667284U Sulphur hexafluoride current transformer
12/08/2010CN201667283U Pressure-resistance insulation reinforcing device used by mutual inductor
12/08/2010CN201667282U Capacitive divider
12/08/2010CN201667278U Casting type secondary wiring board assembly
12/08/2010CN201667274U Iron core tightening device
12/08/2010CN1808645B Sulfur hexafluoride current transformer
12/08/2010CN1794554B Power source for plasma device
12/08/2010CN101911225A System for isolating a medium voltage
12/08/2010CN101911224A Plane coil, and non-contact power transmission device using the same
12/08/2010CN101908448A Current transformer with integrated actuator
12/08/2010CN101908413A Current transformer for supplying power for electronic device
12/08/2010CN101908412A Power supply system for large-size electroslag furnace
12/08/2010CN101189915B Induction coil assembly
12/07/2010CA2473657C Transformer
12/02/2010WO2010136928A1 Inductive power system and method
12/02/2010WO2010136051A1 Electrical terminal block and use of said terminal block
12/02/2010WO2010106375A3 Electrical system using high frequency ac and having inductively connected loads, and related power supplies and luminaires
12/02/2010US20100301678 Electric device, wireless power transmission device, and power transmission method thereof
12/02/2010DE102009023633A1 Circuit breaker for distributing multi-phase electric current in electrical switching device, has microcontroller converting output voltage into digital signal and transferring digital signal to protective device by bus i.e. field bus
12/01/2010EP2256895A1 Inductive power system and method
12/01/2010EP2256757A1 Current transformer as well as protection device and circuit breaker including such transformer
12/01/2010CN201663050U Electronic combined transformer
12/01/2010CN201663049U Current transformer with novel terminal box
12/01/2010CN201663048U Oilpaper-insulated upright-type current transformer
12/01/2010CN201663047U Inverted current transformer with changeable current ratio
12/01/2010CN201663046U Electricity theft prevention type high voltage current transformer
12/01/2010CN201663045U Primary winding leg joining clamp of transformer
12/01/2010CN201663041U High-impedance transformer for solar power generation
12/01/2010CN101904074A Wireless energy transfer
12/01/2010CN101901682A Current transformer as well as protection device and circuit breaker including such transformer
12/01/2010CN101901681A 10 kV passive electronic voltage transformer
12/01/2010CN101901680A Electronic type voltage transformer
12/01/2010CN101901679A Concentricity-autocompensation type coaxial capacitance partial pressure electronic voltage transformer and compensation method thereof
12/01/2010CN101521106B Casting method of low-voltage straight-through current transformer secondary coil
12/01/2010CN101271129B Sensor type high tension electricity energy gauging method
11/2010
11/30/2010CA2291104C Isolation transformer core
11/25/2010US20100295506 Noncontact power receiving apparatus and vehicle including the same
11/25/2010DE202009009691U1 Vorrichtung zur induktiven Übertragung elektrischer Energie Device for inductive transmission of electrical energy
11/25/2010DE10319248B4 Schleifring mit verlustbehafteter Leiterbahn Slip ring with lossy interconnect
11/24/2010CN201655533U 10kV integrated combination transformer
11/24/2010CN201655532U Electronic current-voltage combination transformer
11/24/2010CN201655531U Electronic current transformer with phase-shift circuit
1 ... 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 ... 136