Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2009
12/30/2009CN201374233Y Switching mode power supply transformer
12/30/2009CN201374232Y Oil immersion equipment for body of transformer
12/30/2009CN201374231Y Oil-impregnated paper capacitive transformer bushing head structure
12/30/2009CN201374230Y Inductor device, switching power supply, and electronic equipment
12/30/2009CN201374229Y Non-directional induction coil and radio-frequency rechargeable battery consisting of coils
12/30/2009CN201373764Y Oil-level gauge for transformer
12/30/2009CN101615497A Integral connecting structure of transformer and current sensor
12/30/2009CN101615496A Integrating type magnetic component
12/30/2009CN101615495A Structure of transformer body
12/30/2009CN101615494A External terminal of coil
12/30/2009CN101615493A Arrangement structure for transformer high-voltage tap lead
12/30/2009CN101615492A Three-winding transformer and variable-frequency speed-regulation power supply system
12/30/2009CN101615491A Connection mode for winding of traction transformer
12/30/2009CN101615490A Coil component
12/30/2009CN101615489A Pen-type ignition coil iron core and manufacturing method thereof
12/30/2009CN101615488A U-shaped amorphous iron core of reactor
12/30/2009CN101615487A Iron-ore reactor
12/30/2009CN101615486A Method for replacing accessory of large-scale transformer in oil leakage
12/30/2009CN101615485A Full seal processing method of transformer oil and device thereof
12/30/2009CN101615484A Shackle-type anti-theft device for transformer
12/30/2009CN101615483A Sealing element for transformer
12/30/2009CN100576677C High-credibility excitation inrush current braking method of transformer device
12/30/2009CN100576378C Planar transformer
12/30/2009CN100576377C Sheet type ferrite inductor terminal electrode and its preparation method
12/30/2009CN100576376C Low AC resistance foil winding for magnetic coils on gapped cores
12/30/2009CN100576375C Fin type heat radiator for transformer
12/30/2009CN100576374C Foundation construction for installation of oil-immersed type transformer
12/30/2009CN100576372C Mica tape, electrical rotating machine coil using the same, and electrical rotating machine comprising the electrical rotating machine coil
12/30/2009CN100575549C Iron core exhibiting excellent insulating property at end face, and method for treating end face of iron core to obtain insulated coating
12/29/2009US7639111 High voltage transformer for backlight power source
12/29/2009US7639109 Sensor coil and method of manufacturing same
12/24/2009US20090316370 Electromagnetic noise suppressor, structure with electromagnetic noise suppressing function and their manufacturing methods
12/24/2009US20090315663 Reactor core and reactor
12/24/2009US20090315661 Integrated magnetic device
12/24/2009US20090315660 Inductor
12/24/2009US20090315659 Coil component and method for producing the same
12/24/2009US20090315658 Magnetic element
12/24/2009US20090315657 Cooling system for power transformer
12/24/2009US20090315464 Transformer and backlight apparatus
12/24/2009US20090314634 Electromagnetic noise suppressor, structure with electromagnetic noise suppressing function and their manufacturing methods
12/24/2009US20090314434 Inductively coupled coil and inductively coupled plasma device using the same
12/23/2009WO2009152858A1 Continuously transposed conductor for a winding for an electric machine
12/23/2009WO2009117432A3 Integrated multi-transformer
12/23/2009EP1382047B1 Magnet coil arrangement
12/23/2009CN201369705Y Transformer with partial winding voltage adjustment
12/23/2009CN201369675Y High-voltage conversion device of transformer substation for test
12/23/2009CN201369242Y Automatic disc magnetic ring dipping plastic equipment
12/23/2009CN201369241Y Oil-immersed current transformer with profiling oil tank
12/23/2009CN201369239Y High-voltage large-current transformer
12/23/2009CN201369233Y Ring-shaped transformer
12/23/2009CN201369232Y Planar transformer
12/23/2009CN201369231Y Improvement structure of two-in-one transformer
12/23/2009CN201369230Y Improvement structure of two-in-one transformer
12/23/2009CN201369229Y Transformer box used for railway communication signals
12/23/2009CN201369228Y L-shaped magnetic screen general stack-up die
12/23/2009CN201369227Y 24kV transformer
12/23/2009CN201369226Y 24kV transformer
12/23/2009CN201369225Y Iron yoke insulation structure of transformer
12/23/2009CN201369224Y Safety dry type transformer
12/23/2009CN201369223Y Framework positioning embedded low-noise phase change reactor used in speed changing transmission
12/23/2009CN201369222Y High-voltage coil framework of electronic transformer
12/23/2009CN201369221Y Main transformer of AC driving electric locomotive
12/23/2009CN201369220Y Foil winding structure of low-voltage coil
12/23/2009CN201369219Y Coil structure of distribution transformer
12/23/2009CN201369218Y C-shaped iron core low-noise phase change reactor used for speed changing transmission
12/23/2009CN201369217Y Iron core of main transformer of AC driving electric locomotive
12/23/2009CN201369216Y Coiled iron-core structure used for 24kV transformer
12/23/2009CN201369215Y Radiating structure of mining reactor
12/23/2009CN201369214Y Transformer over-haul oil storage tank sucker position structure
12/23/2009CN201369213Y Barrel oil box of oil-immersed reactor
12/23/2009CN201369212Y On-load tap switch on-line oil cleaning device
12/23/2009CN201369211Y Electronic transformer plastic housing with sealing groove
12/23/2009CN201369210Y Ground screen structure
12/23/2009CN201369209Y Hard-wire single-winding horizontal common-mode inductor device
12/23/2009CN201369208Y Induction coil made of manganese-zinc ferrite material
12/23/2009CN201369207Y Plug-in unit type filtering inductor
12/23/2009CN201369206Y Plug-in unit type common mode inductor
12/23/2009CN201369205Y Patch type power inductor
12/23/2009CN201369183Y Transposition lead of polyimide sintered thin films
12/23/2009CN201369181Y Dipping fiber-glass covered transposition lead
12/23/2009CN201367024Y Oil-water composite cooling tower for locomotives
12/23/2009CN101611460A Coil and coil forming method
12/23/2009CN101609742A Self-energy-taking rapid-response controllable reactor
12/23/2009CN101609741A Transformer structure and applicable rectifying circuit thereof
12/23/2009CN101609740A Triangular iron core reactor
12/23/2009CN100574039C Apparatus for preventing thunderbolt, electronic device and method for preparing plane inductive coil
12/23/2009CN100574038C Electric potential compensation process for reducing neutral point direct current of high-voltage grid transformer
12/23/2009CN100573755C Electronic element, and fabricating method
12/23/2009CN100573754C Magnetic element
12/23/2009CN100573753C Evaporation cooling transformer
12/22/2009US7635928 Drive control circuit and projection apparatus
12/21/2009CA2669362A1 Improved cooling system for power transformer
12/17/2009WO2009150842A1 Transformer, and apparatus and method for manufacturing a transformer iron core
12/17/2009WO2009149857A1 Test arrangement for ac testing of electrical high voltage components
12/17/2009US20090309686 Low profile coil-wound bobbin
12/17/2009US20090309685 Method for producing a transformer coil, and a transformer coil produced using this method
12/17/2009US20090309684 Transformer and rectifier circuit using such transformer
12/17/2009US20090309683 Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore
12/17/2009DE102008025541A1 Verfahren zum Herstellen eines rissfestem Gießharztransformators und rissfester Gießharztransformator Method for producing a crack-resistant cast resin and crack-resistant cast resin
12/16/2009EP2133889A1 Choke and test assembly with choke