Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2010
12/14/2010US7852185 On-die micro-transformer structures with magnetic materials
12/14/2010US7851955 Coil connecting structure, coil connecting method, set of conductors, and electric motor
12/14/2010US7849586 Method of making a power inductor with reduced DC current saturation
12/09/2010WO2010140381A1 Iron core for electric power equipment and manufacturing method therefor
12/09/2010WO2010139607A1 Ferrite core assembly
12/09/2010WO2010139597A1 Transformer coil and transformer having passive cooling
12/09/2010US20100311936 High thermal conductivity materials with grafted surface functional groups
12/09/2010US20100308951 Procedure for manufacturing a magnetic core and a magnetic core
12/09/2010US20100308949 Multilayer power inductor using sheets charged with soft magnetic metal powder
12/09/2010US20100308948 Ferrite core assembly
12/08/2010EP2257955A1 Magnetic core for a coil device and method for manufacturing a magnetic core
12/08/2010EP1547104B1 Coil form
12/08/2010CN201667617U Power frequency transformer
12/08/2010CN201667500U Handcart with 24KV three-phase voltage mutual inductor and resonance eliminator
12/08/2010CN201667497U 变压器室 Transformer room
12/08/2010CN201667283U Pressure-resistance insulation reinforcing device used by mutual inductor
12/08/2010CN201667281U Novel three-phase voltage transformation device
12/08/2010CN201667280U 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer
12/08/2010CN201667279U Dual-purpose electric furnace transformer
12/08/2010CN201667278U Casting type secondary wiring board assembly
12/08/2010CN201667277U Amorphous alloy epoxy dry transformer
12/08/2010CN201667276U Intercolumnar wiring device for ultrahigh-voltage transformer
12/08/2010CN201667275U Iron core lamination clamp
12/08/2010CN201667274U Iron core tightening device
12/08/2010CN201667273U Structure of current transformer
12/08/2010CN201667272U Current transformer degassing device
12/08/2010CN201667271U Auxiliary joint assembly used for filtering oil for transformer
12/08/2010CN201667270U Full closed iron-clad transformer of electric energy meter
12/08/2010CN201667269U Pulse transformer for triggering a thyristor
12/08/2010CN201667268U Hot-pressing combined type magnetic inductance component
12/08/2010CN201667236U Complete transposition composite conductor
12/08/2010CN1839450B Inductive component with a cooling device and use of said component
12/08/2010CN1794554B Power source for plasma device
12/08/2010CN101911225A System for isolating a medium voltage
12/08/2010CN101911224A Plane coil, and non-contact power transmission device using the same
12/08/2010CN101911222A A system and method for preventing, protecting OLTC from fire and/or transformer from explosion
12/08/2010CN101908826A Three-phase voltage changer
12/08/2010CN101908728A Air-cooled automatic remote control device of transformer
12/08/2010CN101908448A Current transformer with integrated actuator
12/08/2010CN101908414A Method for manufacturing high-voltage lead wires of dry-type transformer
12/08/2010CN101908413A Current transformer for supplying power for electronic device
12/08/2010CN101908411A Transformer structure
12/08/2010CN101908410A Capacitance monophase transformer
12/08/2010CN101908409A Coil with shielding function and magnetic element
12/08/2010CN101908408A Inductor for respiratory volume kinescope
12/08/2010CN101908407A Manufacturing process of binding type iron core cake for dry type iron core reactor
12/08/2010CN101908406A Hydrogen-free metal bellow expander
12/08/2010CN101908405A Hydrogen-free combined metal bellow oil conservator
12/08/2010CN101908404A Method and device for carrying out field drying on convertor transformer
12/08/2010CN101908403A Inductance element, power factor correction circuit and switch power supply
12/08/2010CN101465195B Method for manufacturing power decentralization and power centralization type transformer oil tank
12/08/2010CN101388282B Frame type dry hollow controllable reactor
12/08/2010CN101383340B Semiconductor power device having a stacked discrete inductor structure
12/08/2010CN101199031B Support device, support device for a toroidal core inductance and inductive component
12/08/2010CN101091228B An electrical induction device for high-voltage applications
12/07/2010US7847671 Subsea data and power transmission inductive coupler and subsea cone penetrating tool
12/07/2010US7847670 Coil apparatus
12/07/2010US7847669 Micro-electromechanical switched tunable inductor
12/07/2010US7847665 Method for producing a transformer coil, and a transformer coil produced using this method
12/07/2010US7847664 Electromagnetic apparatus using shared flux in a multi-load parallel magnetic circuit and method of operation
12/07/2010US7847662 Inductance element, method for manufacturing the same, and switching power supply using the same
12/02/2010WO2010138540A1 Pumped loop refrigerant system for windings of transformer
12/02/2010WO2010137492A1 Vehicle-mounted noise filter
12/02/2010US20100301987 Millimeter wave transformer with a high transformation factor and a low insertion loss
12/02/2010US20100301984 Electromagnetic coil means
12/02/2010US20100301983 Surface-mount air-core coil
12/02/2010US20100301982 High frequency transformer and multi-output constant current source with high frequency transformer
12/02/2010US20100301980 Current Transformer, Protection Device Including Such transformer and Related Circuit Breaker
12/02/2010US20100301833 Load sensing high efficiency transformer assembly
12/02/2010DE102009026479A1 Power semiconductor module i.e. power converter, has band conductor connecting intermediate circuit capacitor and power semiconductor element, and conductor loop and ohmic resistor coupled to band conductor
12/02/2010DE102009023026A1 Elektrischer Transformator oder elektrische Drosselspule The electrical transformer or electric choke
12/02/2010CA2762829A1 Pumped loop refrigerant system for windings of transformer
12/01/2010EP2256785A2 Electronic Device
12/01/2010EP2256756A2 Electric transformer or electric choke
12/01/2010EP2256755A2 Coil and its manufacturing method
12/01/2010EP2256754A1 Reactor
12/01/2010EP2256753A1 Electricity conductor for a high voltage feed
12/01/2010EP2255366A1 Two- or multiphase transformer
12/01/2010CN201663050U Electronic combined transformer
12/01/2010CN201663044U Resin casting dry type autotransformer used for reactive power compensation
12/01/2010CN201663043U 220,000 volts autotransformer with on-load voltage regulation
12/01/2010CN201663042U Direct current-excited controllable saturable reactor
12/01/2010CN201663041U High-impedance transformer for solar power generation
12/01/2010CN201663040U Transformer skeleton
12/01/2010CN201663039U Paperless bundled transposition wire
12/01/2010CN201663038U Novel dry-type transformer coil structure
12/01/2010CN201663037U High-voltage transformer
12/01/2010CN201663036U Magnetic element
12/01/2010CN201663035U Iron core column of dry type iron core electric reactor
12/01/2010CN201663034U Sleeve vacuum oiling device
12/01/2010CN201663033U Device for adjusting transformer in place
12/01/2010CN201663032U Novel detachable dry-type transformer aluminium alloy housing
12/01/2010CN201663031U Magnetic element
12/01/2010CN201663030U Choke coil powdered inductor
12/01/2010CN201662163U Plasma air disinfecting and purifying air conditioner
12/01/2010CN201659372U High-frequency electric welding machine with easy current output and stable and reliable operation
12/01/2010CN201658766U Oil-discharging and nitrogen-injecting fire extinguishing apparatus of transformer
12/01/2010CN1812013B Device for inductive energy transfer,Transfer machine and automatic mounting machine
12/01/2010CN101903780A Current sensor with laminated magnetic core
12/01/2010CN101902133A Transformer with high voltage isolation
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