Patents for H01F 30 - Fixed transformers not covered by group (4,595)
03/2011
03/16/2011CN201765931U 220kV single-phase traction transformer for three-phase VX connection under AT power supply mode
03/16/2011CN201765930U Combined power transformer
03/16/2011CN201765929U Transformer of self-adaption light emitting diode (LED) drive power
03/16/2011CN201765928U High isolation planar transformer
03/10/2011WO2011026706A1 Electronic transformer
03/09/2011CN101234450B Improved ring shaped high-efficiency direct current arc welding machine
03/02/2011EP2289080A1 Optimized shielded transformer, in particular for carrying out dielectric tests
03/02/2011CN201754367U 220 kV direct-reducing self-coupling shift rectifier transformer with saturation reactor therein
03/02/2011CN201754366U Transformer structure
03/02/2011CN101982861A Three-phase adapter
03/02/2011CN101982860A Common box traction transformer with four low-voltage winding layers for AT power supply
02/2011
02/24/2011WO2011021156A1 Integrated multi-phase planar transformer
02/24/2011CA2771426A1 Integrated multi-phase planar transformer
02/23/2011EP2286423A1 Rotary power transformer for use in a high-voltage generator circuitry for inductively transmitting two or more independently controllable supply voltages to the power supply terminals of a load
02/17/2011WO2011019712A1 Coupled inductor with improved leakage inductance control
02/17/2011US20110037453 Detector device
02/16/2011EP2284848A1 Transmitter
02/16/2011EP2284847A1 Transformer, power converter using the transformer, lighting device, lamp for vehicle, and vehicle
02/16/2011CN201749776U High-voltage isolation transformer
02/16/2011CN201749775U Ultra-large capacitance splitting transformer
02/16/2011CN201749774U Autotransformer starting reactor
02/09/2011CN201742092U Three-phase equilibrium system synthesis power saver
02/09/2011CN201741561U Power transformer with shell type structure
02/09/2011CN201741560U Four-port gigabit network transformer
02/09/2011CN201741559U Three-phase balancing autotransformer and intelligent power-saving system
02/09/2011CN101640119B Underwater non-contact type separable transformer for electric energy transmission based on butterfly magnetic core
02/09/2011CN101276683B Inductance component
02/03/2011WO2011014344A1 Dry type pole-mounted transformer
02/03/2011WO2011013394A1 Reactor
02/03/2011CA2769458A1 Dry type pole-mounted transformer
02/02/2011EP1399934B1 E-i or e-e transformer
02/02/2011CN201732668U Ultrahigh voltage on-load voltage-regulating autotransformer
02/02/2011CN101964248A Transformer
02/02/2011CN101964247A Combining and traction transformer of two low-voltage winding layers for AT (Automatic Transmission) power supply
02/02/2011CN101964246A Traction transformer series-connected in one box by two low voltage winding layers for AT (Auto-Transformer) power supply
02/02/2011CN101964245A Underground totally-sealed combined transformer with lighting protection, overvoltage protection and overcurrent protection
02/02/2011CN101599353B Integrated filter inductance transformer
02/02/2011CN101572177B Network transformer as well as network module and electronic device using same
02/01/2011US7880575 Coil bus for a transformer
01/2011
01/27/2011WO2011010491A1 Switching power supply module having built-in coil
01/26/2011EP2277183A1 Modular ring-shaped core
01/26/2011CN101960542A Electric transformer
01/26/2011CN101958189A Multi-voltage dry type transformer in explosive gas environment
01/26/2011CN101958178A Combined multi-function potential device for laboratories
01/26/2011CN101471174B Isolation transformer
01/20/2011WO2011007081A2 Device for high-voltage isolation of means for supplying power to electrical device connected to high-voltage potential
01/20/2011CA2768087A1 Device for high-voltage isolation of means for supplying power to electrical device connected to high-voltage potential
01/19/2011CN201717111U Transformer structure
01/19/2011CN201717110U Intrinsically safe planar transformer
01/19/2011CN201717109U Ultrathin transformer
01/19/2011CN201717108U Self-coupling transformer for AT power supply of electrified railway
01/12/2011EP2272073A1 Optimized transformer, in particular for carrying ou dielectric tests
01/12/2011CN201708030U Novel dedicated small-capacity single-phase dry-type transformer for railways
01/12/2011CN201708029U Special transformer for photovoltaic power generation
01/12/2011CN101567635B Improved radio-frequency power supply for plasma discharge at atmospheric pressure
01/05/2011CN201698248U Novel voltage stabilizer
01/05/2011CN101939803A Transformer and transformer device
01/05/2011CN101937763A Special self-coupling transformer for supplying power to wind power generation system
01/05/2011CN101226821B High voltage transformer
01/04/2011US7861403 Current transformer cores formed from magnetic iron-based alloy including final crystalline particles and method for producing same
12/2010
12/30/2010US20100328006 Power transfer device
12/29/2010EP1269493B1 Transformer core
12/29/2010CN101930836A Double-voltage oil immersed transformer
12/28/2010US7859376 Zigzag autotransformer apparatus and methods
12/22/2010EP2264882A1 Switching power supply unit
12/22/2010CN201681711U Double-closed-loop core transformer
12/22/2010CN101923953A Transformer for oil insulation test
12/16/2010US20100315187 Method for powering a magnetic coupler and device for powering an electric dipole
12/15/2010CN201673794U Toroidal transformer
12/15/2010CN1797623B Transducing transformer in double loop, and monopolar fluorescent lamp of installing the transformer
12/15/2010CN101170011B Single-phase or Vx connection traction transformer coiling structure for electric railway AT power supply mode
12/08/2010EP2259275A2 High frequency transformer and multi-output constant current source with high frequency transformer
12/08/2010CN201667281U Novel three-phase voltage transformation device
12/08/2010CN201667036U Multifunctional voltage stabilizer
12/08/2010CN1794554B Power source for plasma device
12/08/2010CN101911223A Power transfer device
12/08/2010CN101908826A Three-phase voltage changer
12/08/2010CN101908411A Transformer structure
12/07/2010US7847535 Method and device for supply to a magnetic coupler
12/02/2010US20100301833 Load sensing high efficiency transformer assembly
12/01/2010CN201663044U Resin casting dry type autotransformer used for reactive power compensation
12/01/2010CN201663036U Magnetic element
12/01/2010CN201663031U Magnetic element
12/01/2010CN101902133A Transformer with high voltage isolation
12/01/2010CN101901678A Unframed transformer and processing method thereof
12/01/2010CN101901670A High frequency mutual inductor and multiplexed output constant flow source with same
11/2010
11/24/2010EP1782441B1 Planar high voltage transformer device
11/24/2010CN201655520U Simulated voltage transformer
11/24/2010CN201655519U Novel three-phase balancing transformer
11/24/2010CN201655518U Single-phase amorphous alloy pole top transformer
11/24/2010CN201655517U Combined transformer for voice separator
11/24/2010CN101894660A Transformer structure
11/17/2010EP2251878A1 Electric transformer
11/17/2010CN201638662U Mixed type planar transformer
11/17/2010CN201638661U Self-coupling pressure-reducing starting transformer
11/17/2010CN201638634U Multi-stage coarse-and-fine continuous voltage-regulation rectifier transformer for tertiary winding
11/17/2010CN101889319A Stacked inductor and power converter using the stacked inductor
11/17/2010CN101202156B Transformer with safety creepage distance
11/10/2010CN201629215U Complete-sealing corrugated expansion amorphous alloy transformer
11/10/2010CN201629214U Full-sealed three-column amorphous alloy transformer
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