Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 30 - Fixed transformers not covered by group
Patents for H01F 30 - Fixed transformers not covered by group (4,595)
05/2012
05/09/2012CN102446889A Transformer arrangement
05/09/2012CN102446623A Asymmetric flat transformer
05/09/2012CN102446620A High-frequency flat-panel transformer
05/08/2012US8174335 Process for reduction of the common mode current for power line communications equipment
05/02/2012DE202012101294U1 Transformator ohne Spulenträger Without transformer coil carrier
05/02/2012CN102436920A High-capacity three-body split winding type transformer
05/02/2012CN102436919A Single-phase traction transformer for high-speed electrified railway in AT (auto-transformer) power supply way
05/02/2012CN102436918A Traction transformer for Scott wiring
05/02/2012CN102436917A Transformer with water cooling reactor
05/02/2012CN101996758B Embedded combined type ultrathin transformer applied to LED
04/2012
04/26/2012DE102010049668A1 Transformator Transformer
04/26/2012DE102008035529B4 Einrichtung zum Ansteuern eines Drehstrommotors, insbesondere eines Asynchronmotors Means for driving an AC motor, particularly an asynchronous motor,
04/25/2012EP2443638A1 Wound delta magnetic core for three phase transformer
04/25/2012CN101826391B 分段层式结构变压器 Transformer segmented layer structure
04/25/2012CN101578672B 兼有电抗器式变压器 Shared reactor transformer
04/25/2012CN101447324B 变压器结构 Transformer structure
04/25/2012CN101404201B 电源装置及其变压器 Power devices and transformers
04/18/2012CN102420047A 一种220kV大容量分裂式双器身结构的变压器 One kind of large-capacity transformer 220kV double split the body of the structure
04/18/2012CN102420046A 双电压变压器 Dual voltage transformer
04/18/2012CN102420043A Single-phase high-impedance auto-transformer
04/18/2012CN101578671B 线圈零件 Coil Parts
04/12/2012US20120086533 Multi-phase transformer
04/12/2012US20120086532 Multi-phase transformer
04/11/2012EP2439757A1 Multi-phase transformer
04/11/2012EP2439756A2 Multi-phase transformer
04/11/2012CN202189666U 节电型三相干式变压器 Energy-saving type three-phase transformer
04/11/2012CN102412057A Symmetric leakage inductance adjustable flat transformer
04/10/2012US8154369 Method and device for controlling of a magnetic flux
04/04/2012CN102403910A 一种调压式整流变压器 One kind of regulator rectifier transformers
04/04/2012CN102403112A 一种分相调压式三裂解整流变压器 One kind of three-phase voltage regulator rectifier transformer cleavage
04/04/2012CN102403111A 户外箱式10～20kV/220V变压器 Outdoor Box 10 ~ 20kV / 220V transformer
04/04/2012CN102403110A 一种共底座式双器身变压器 A co-twin pedestal body of transformer
04/04/2012CN101326704B 电力转换装置及电力转换系统 The power converter apparatus and the power conversion system
04/04/2012CN101277569B 用于简单建立电连接的电流平衡电路 A simple electrical connection is established for the current balance circuit of
03/2012
03/29/2012WO2012040165A1 Magnetic devices and transformer circuits made therewith
03/28/2012CN202178146U Flat transformer and switch power supply
03/28/2012CN101572178B Dual core transformer and backlight driving unit including the same
03/22/2012US20120068800 Power transformer with amorphous core
03/22/2012DE102010045826A1 Current distribution device for e.g. providing galvanically separated charge currents to battery units, has control unit attached to primary-sided winding, and secondary-sided windings galvanically separated on outer sides of core unit
03/21/2012EP1709725B8 Transformer based voltage supply
03/21/2012CN102385979A Permanent magnet gain transformation device
03/21/2012CN102385978A Transformer integrated with inductor
03/21/2012CN101567255B Coupling inductor applicable to multi-phase interleaved parallel converter
03/20/2012US8138745 Power transformer distribution network and method of operating same
03/15/2012WO2012032716A1 Winding element
03/15/2012WO2012032715A1 Winding element
03/15/2012US20120063055 Direct-current current transformer
03/15/2012US20120062209 Closed-loop fluxgate current sensor
03/15/2012DE102010045079A1 Transformator für eine Schweißzange Transformer for welding guns
03/15/2012DE102010034746A1 Device for producing high voltage with exahertz frequencies, has transformer comprising ring-core that is made from plastic, and adhesive ring enclosed by entire winding, where dimension of ring is determined by size of individual windings
03/14/2012EP2427957A1 Electromagnetic apparatus using shared flux in a multi-load parallel magnetic circuit and method of operation
03/14/2012CN202168000U 一种三相48脉波整流变压器 A three-phase 48-pulse rectifier transformer
03/14/2012CN202167337U Solar inversion three-dimensional winding iron core three-phase isolation transformer
03/13/2012US8134443 Extended E matrix integrated magnetics (MIM) core
03/08/2012US20120056707 Transformer for a power supply converter
03/07/2012CN202159569U 一种风力发电用变压器 A wind power transformer
03/07/2012CN101013627B Method for increasing balancing winding effect of three phase transformer with output
02/2012
02/29/2012CN102364638A Three-phase rectifier transformer
02/29/2012CN101939803B Transformer and transformer device
02/23/2012WO2009063975A9 Air core coil of power transfer device, coil of power transfer device, power transfer device, transmission device of power transfer device, and semiconductor integrated circuit used in power transfer device
02/22/2012CN202150341U Dimensional wound core three-phase dry type transformer for a wind tower rod and a cabin
02/22/2012CN202150340U E型磁芯平面变压器 E-core planar transformers
02/22/2012CN202150330U 一种驱动变压器 A drive transformer
02/22/2012CN102362322A High voltage transformer
02/22/2012CN102360862A High-power annular transformer
02/22/2012CN102360861A Magnetic leakage-preventing annular transformer
02/22/2012CN102360860A Transformer with shell and magnetic ring
02/22/2012CN102360859A Conveniently radiating three-phase transformer
02/22/2012CN102360858A Annular iron core transformer and production method thereof
02/22/2012CN102360857A Integrated network distributing transformer with error compensating mutual inductor
02/22/2012CN102360856A 110kV multipurpose high-efficiency and energy-saving rectifier transformer special for producing silicon carbide
02/22/2012CN102360855A Low-voltage lead arrangement structure for 12-pulse wave rectifier transformer
02/22/2012CN102360854A Planar transformer with U-shaped magnetic cores
02/22/2012CN102360853A Planar transformer in switching power supply
02/22/2012CN102360852A Heavy-current planar transformer
02/22/2012CN102360787A Planar transformer and magnetic core thereof
02/22/2012CN102360732A Method and equipment for uniformly feeding pulse into induction cavity of inductive voltage adder
02/22/2012CN101901678B 一种无骨架变压器及其加工方法 A non-skeleton transformer and its processing method
02/15/2012CN1998055B 平板高压变压器装置 High-voltage transformer tablet device
02/08/2012EP1709725B1 Transformer based voltage supply
02/08/2012EP1554801B8 Power modulator
02/08/2012CN202142406U 一种带误差补偿互感器的一体化配网变压器 An integrated distribution network transformer transformer with error compensation
02/02/2012WO2012014424A1 Multi-phase transformer and transformation system
02/02/2012WO2012014250A1 Transformer
02/01/2012CN202134383U 一种两用环形变压器次级线包 One kind of dual toroidal transformer secondary line package
02/01/2012CN202134382U 油浸式变压器 Oil-immersed transformers
02/01/2012CN202134381U 低损耗全密封变压器 Low-loss sealed transformer
02/01/2012CN101699584B 一种电子变压器 An electronic transformer
02/01/2012CN101443860B 线圈及形成线圈的方法 The method of forming the coil and the coil
01/2012
01/25/2012EP2409309A1 High voltage transformer
01/25/2012CN202126919U Transformer suitable for Internet of things
01/25/2012CN101673618B A double-inductance structure
01/19/2012WO2012008889A1 A multiphase transformer rectifier unit
01/19/2012WO2012008576A1 Transformer
01/19/2012CA2793435A1 Transformer
01/18/2012CN202121296U Power transformer with self-protection function
01/18/2012CN202120744U Filling and sealing structure of toroidal transformer
01/18/2012CN202120709U Low-voltage sleeve of oil immersed transformer
01/18/2012CN202120708U High-voltage sleeve of oil-immersed transformer
01/18/2012CN101587771B Transformer structure
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