Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
11/2012
11/14/2012CN102360759B Automatic vacuum oil injection method and tool for unmanned mutual inductor
11/14/2012CN102290207B Dry type transformer core limb-fixing technique
11/14/2012CN102184766B Low-noise saturable reactor
11/14/2012CN102017030B Method and device for determining the relative humidity of an insulating liquid filled electric apparatus
11/14/2012CN101950662B Method for manufacturing wound core of triangular wound core transformer and product
11/14/2012CN101821943B Laminated electronic component and method for manufacturing the same
11/14/2012CN101809686B Electric winding body and transformer having forced cooling
11/14/2012CN101685700B Method for increasing contact area of main body motherboard of reactor and basic platform
11/14/2012CN101640112B Ferrite core and transformer using the same
11/14/2012CN101630580B Coil device with bobbin structure
11/14/2012CN101521086B Electrical inductor assembly
11/14/2012CN101385100B Electrical shielding arrangement
11/14/2012CN101228205B Composition
11/13/2012US8310332 High current amorphous powder core inductor
11/13/2012US8310331 Stacked inductive device assemblies and methods
11/13/2012US8310330 Dry-type transformer
11/13/2012US8310329 Interleaved common mode transformer with common mode capacitors
11/13/2012US8310328 Planar coil and method of making the same
11/13/2012US8310327 Low-profile transformer
11/13/2012US8310326 Method and apparatus for adjusting displacement current in an energy transfer element
11/13/2012US8310108 Non-contact electric power supplying equipment, non-contact electric power receiving device, and non-contact electric power supplying system
11/13/2012US8310107 Power transmission control device, power transmitting device, non-contact power transmission system, and secondary coil positioning method
11/13/2012US8310106 Magnetizing inrush current suppression device and method for transformer
11/13/2012US8307536 Coil capable of generating a magnetic field and method of manufacturing said coil
11/08/2012WO2012072075A3 A power supply
11/08/2012US20120280781 Method of making a controlled seam laminated magnetic core for high frequency on-chip power inductors
11/08/2012US20120280780 Bobbin and transformer comprising the same
11/08/2012US20120280779 Common mode choke emi filter of an led driver
11/08/2012US20120280778 Inductor having different currents for different loads
11/08/2012US20120280776 Composite wound element and transformer using same, transformation system, and composite wound element for noise-cut filter
11/08/2012US20120280189 Perfluoroketones as gaseous dielectrics
11/08/2012DE102011075311A1 Elektrische Drosselspule mit einem Flachdraht Electric choke coil with flat wire
11/07/2012EP2521156A1 Disconnector for distribution tarnsformers with dielectric liquid
11/07/2012EP2521146A2 Electric choke coil with a flat wire
11/07/2012EP2521145A1 Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event
11/07/2012EP2521143A1 Magnetically active material
11/07/2012EP2520836A1 Pressure relief device for a power transformer, and related power transformer
11/07/2012EP2519957A1 System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and similar.
11/07/2012EP2519551A1 Composition for fixing wound items
11/07/2012CN202523994U Enclosed transformer platform frame
11/07/2012CN202523596U Converter
11/07/2012CN202523588U Converter
11/07/2012CN202523546U Positioning support frame of indoor current transformer
11/07/2012CN202523544U Annular signal transformer
11/07/2012CN202523542U Stepless adjustable reactor for combined high-voltage compensation
11/07/2012CN202523541U Flange structure of on-load tap-changer
11/07/2012CN202523540U Dry type transformer with three different types of secondary voltage
11/07/2012CN202523539U Converter transformer
11/07/2012CN202523538U Rectifier transformer
11/07/2012CN202523537U Marine transformer and shock absorber connecting device
11/07/2012CN202523536U Insulation structure of dry-type transformer
11/07/2012CN202523535U Body structure of 66kV level rectifier transformer
11/07/2012CN202523534U High voltage pulse transformer
11/07/2012CN202523533U Environmental friendly dry-type transformer
11/07/2012CN202523532U 20kV-level environmental friendly dry-type transformer
11/07/2012CN202523531U Compact disc (CD) type power transformer
11/07/2012CN202523530U Inductance coil
11/07/2012CN202523529U Transformer of LED (light-emitting diode) television power supply and LED television power supply
11/07/2012CN202523528U Transformer for charger power
11/07/2012CN202523527U Transformer of notebook power supply
11/07/2012CN202523526U Transformer for mobile phone charger and mobile phone charger
11/07/2012CN202523525U Dry-type phase shift rectifier transformer
11/07/2012CN202523524U Low-voltage lead of rectifying transformer
11/07/2012CN202523523U High tension lead for rectifier transformator
11/07/2012CN202523522U Straight-welded inductor
11/07/2012CN202523521U Wiring device
11/07/2012CN202523520U Water-cooled high-frequency transformer
11/07/2012CN202523519U Coil structure for dry-type transformer
11/07/2012CN202523518U Light-emitting diode (LED) television driving power supply and transformer thereof
11/07/2012CN202523517U Transformer for power supply of adapter and power supply of adapter
11/07/2012CN202523516U Convertor transformer for polysilicon reduction furnace
11/07/2012CN202523515U L-shaped signal transformer
11/07/2012CN202523514U EI type power transformer
11/07/2012CN202523513U High-tension transformer
11/07/2012CN202523512U Novel air blocking structure
11/07/2012CN202523511U Air exhaust plug
11/07/2012CN202523510U Transformer breather capable of preventing pollution of silicone oil and clogging of oil sludge
11/07/2012CN202523509U Radiator for forced-oil air cooling main transformer
11/07/2012CN202523508U Magnetic device assembly of power module and power module
11/07/2012CN202523507U Radiation device for transformer
11/07/2012CN202523506U 220KV-grade power transformer cooled by heat pipe
11/07/2012CN202523505U Intermediate frequency furnace transformer
11/07/2012CN202523504U Inductance device of planar circuit board type
11/07/2012CN202523503U High-frequency filter inductor
11/07/2012CN202523500U Core
11/07/2012CN202516351U Oil and gas separation device for mineral oil
11/07/2012CN102768899A Wire winding bracket and transformer with same
11/07/2012CN102768896A Device for preventing the explosion of an electrical transformer
11/07/2012CN102768895A Three-dimensional rolling iron core energy-saving transformer
11/07/2012CN102768894A Heat dissipating device for transformer
11/07/2012CN102768893A Vertical base of mutual inductor
11/07/2012CN102360900B Open-close type current and voltage transformer
11/07/2012CN102064008B Low audio-frequency noise inductor with hanging auxiliary windings
11/07/2012CN102007554B Transformer and transformer assembly method
11/07/2012CN102005274B Neutral point direct current (DC) magnetic bias suppression resistor of transformer
11/07/2012CN101976605B Transformer
11/07/2012CN101578669B Soft magnetic material, powder magnetic core, process for producing soft magnetic material, and process for producing powder magnetic core
11/07/2012CN101483381B Combined structure
11/07/2012CN101340067B High voltage bushing
11/06/2012US8305183 Transformer for multi-output power supplies