H01F 30 - Fixed transformers not covered by group

Patents for H01F 30 - Fixed transformers not covered by group (4,595)
06/2011
06/08/2011	CN101552116B Magnetic circuit-divided transformer
06/08/2011	CN101071677B Thin film device
06/03/2011	WO2011021156A4 Integrated multi-phase planar transformer
06/01/2011	CN1949417B Transformer,lamp tube driver and method for regulating lamp tube brightness thereof
06/01/2011	CN1770333B Amorphous iron-core transformer
06/01/2011	CN101615498B Transformer
06/01/2011	CN101572179B Integrated on-board traction transformer with high reactance and magnetic properties
06/01/2011	CN101118802B Dry-type traction rectifier transformer capable of easily net-side tapping
05/2011
05/26/2011	WO2011062018A1 Transformer
05/26/2011	WO2011060547A1 Electrical transformer assembly
05/26/2011	CA2781203A1 Electrical transformer assembly
05/25/2011	CN201845650U Balanced-unbalanced transformer
05/25/2011	CN102077307A Transformer, power converter using the transformer, lighting device, lamp for vehicle, and vehicle
05/25/2011	CN102074341A Transformer structure
05/25/2011	CN102074340A 变压器结构及其制造方法 Structure and a method of manufacturing a transformer
05/25/2011	CN102074337A Transformer with modularized wire winding frame components
05/25/2011	CN101478243B Switch electric power circuit with wide inputting range
05/25/2011	CN101465198B Transformer structure and production method thereof
05/24/2011	US7948340 Three-phase multi-winding device
05/19/2011	US20110115590 Hybrid transformer with transformation and improved harmonics functions, unbalanced current, and a power supply system thereof
05/18/2011	EP2323143A1 Three-phase high frequency transformer
05/18/2011	CN201839473U Isolation-transformation circuit and lamp
05/18/2011	CN201839213U Three-phase voltage changer
05/18/2011	CN201838451U Split-phase voltage regulating type three-split rectifier transformer
05/18/2011	CN201838450U Transformer with improved structure
05/18/2011	CN201838449U Combined transformer with multiple outputs
05/18/2011	CN102064009A Current transformer structure
05/18/2011	CN102064006A Magnetic assembly, assembling method thereof and combined structure thereof with circuit carrier
05/18/2011	CN101640118B Prismatic transformer
05/18/2011	CN101147214B A transformer having a stacked core with a cruciform leg and a method of making the same
05/12/2011	US20110109412 Three phasecontinuous flux path transformer core and method of manufacture
05/11/2011	EP2320551A1 Thirty-six pulse power transformer and power converter incorporating same
05/11/2011	EP2320550A1 Power transformer and power converter incorporating same
05/11/2011	EP2320439A1 Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer
05/11/2011	CN201829333U Toroidal transformer with shell
05/11/2011	CN201829332U Super-thin transformer with electromagnetic radiation absorbing aluminium plate and applied to LED
05/11/2011	CN201829331U Sealed SMD (surface mounted device) transformer for preventing wire friction
05/11/2011	CN201829330U Combined super-thin transformer applied to LED
05/11/2011	CN201829329U Embedded combined ultrathin transformer applied to LED (Light Emitting Diode)
05/11/2011	CN201829328U Varnished low-frequency transformer
05/11/2011	CN201829327U Double body structure generator step-up transformer
05/11/2011	CN201829326U Epoxy potting autotransformer
05/11/2011	CN201829309U Transformer structure
05/11/2011	CN201829308U Transformer structure
05/11/2011	CN1941228B Inverting transformer
05/11/2011	CN102056383A Multi-light tube driving system
05/11/2011	CN102054573A Three-phase amorphous alloy isolation transformer
05/11/2011	CN102054572A 谐振变压器结构 Resonant transformer structure
05/11/2011	CN101635198B 36-pulse high-power frequency conversion rectifier transformer
05/04/2011	CN201820624U Printed circuit board type coreless transformer
05/04/2011	CN201820623U Transformer structure
05/04/2011	CN201820622U Box type transformers
05/04/2011	CN201820619U Multi-voltage dry transformer used in explosive gas environment
05/04/2011	CN102047359A 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
05/04/2011	CN102044332A Transformer and transformer assembly
05/04/2011	CN102044331A Transformer structure
05/04/2011	CN101236824B Body structure of single-phase traction transformer
04/2011
04/27/2011	EP2313899A1 Multi-toroid transformer
04/27/2011	CN201812660U Thin transformer structure
04/20/2011	CN201805356U Voltage regulation type rectifier transformer
04/20/2011	CN201804693U Variable pitch power box
04/20/2011	CN201804692U Full three-phase traction transformer connection and structure
04/20/2011	CN201804691U Single-phase super-capacity transformer for nuclear power station
04/20/2011	CN201804690U Single-base dual-body transformer
04/20/2011	CN201804674U 自耦变压器线圈结构 Autotransformer coil structure
04/20/2011	CN1971778B Single-phase self-coupling on-load voltage-regulating transformer
04/20/2011	CN102027554A Modular ring-shaped core
04/20/2011	CN102024553A Four-low voltage winding layer box separation tractive transformer for AT power supply
04/20/2011	CN101282854B Multilevel converter and method of converting a supply voltage
04/20/2011	CN101145439B Generator transformer
04/13/2011	CN201796714U Coupled high-frequency transformer device
04/13/2011	CN201796708U Lightening wave eliminating three-phase dry type transformer
04/13/2011	CN102013817A Three-phase 48-pulse rectifier transformer
04/13/2011	CN102013308A Electronic transformer
04/13/2011	CN101419862B Transformer and combined construction thereof
04/13/2011	CN101299383B Energy-saving type delta-shaped transformer
04/07/2011	US20110080242 Methods and apparatus for electromagnetic components
04/06/2011	CN201788800U Single-phase transformer
04/06/2011	CN201788797U Three-phase three-pole dry type transformer
04/06/2011	CN102007554A Transformer and transformer assembly method
04/06/2011	CN102005288A Transformer
04/06/2011	CN101599347B Method for producing multi-layer planar transformer
03/2011
03/30/2011	CN101996760A Ultra-thin transformer provided with electromagnetic radiation absorption aluminum plate and applied to LED (Light-Emitting Diode)
03/30/2011	CN101996759A Combined ultra-thin transformer applied to LED (Light Emitting Diode)
03/30/2011	CN101996758A Embedded combined type ultrathin transformer applied to LED
03/30/2011	CN101996757A Transformer with single-phase toroidal coil and toroidal cores
03/30/2011	CN101996756A Amorphous alloy 35kV oil immersed type transformer for solar power generation
03/30/2011	CN101996755A Amorphous alloy 10kV dry type transformer used for wind power generation
03/30/2011	CN101996754A Amorphous alloy 10kV oil-immersed type transformer for wind power generation
03/30/2011	CN101996753A Transformer-based circuit
03/30/2011	CN101996745A Transformer with magnetic iron wire and conductive aluminum wire
03/30/2011	CN101996736A Common mode filter
03/23/2011	EP2299456A1 Integrated magnetic component
03/23/2011	CN201773687U Non-loss alternating current and direct current transformer
03/23/2011	CN201773686U Improved network transformer structure
03/23/2011	CN201773685U Multi-output transformer
03/23/2011	CN101989492A Method for manufacturing transformer with ferro magnetic material and paramagnetic material
03/23/2011	CN101989491A Three-phase amorphous alloy dry-type rectifier transformer
03/17/2011	WO2011030531A1 High power inductance device
03/16/2011	CN201765932U Single-phase traction transformer for three-phase VX connection of AT power supply mode

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