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)
10/2007
10/03/2007EP1840909A1 Bobbin-less coil and method of manufacturing the same
10/03/2007EP1840908A1 Magnetic flux return path with collated bands of wire
10/03/2007EP1840907A1 Soft magnetic material and dust core
10/03/2007EP1839320A2 Device and method for winding a closed toroidal core
10/03/2007CN200956308Y Dry current transformer with switch insulating flange seat on top
10/03/2007CN200956307Y Instrument transformer with wiring insulating bush
10/03/2007CN200956305Y Leakage inductance adjustable transformer
10/03/2007CN200956304Y Merging device for photoelectric transformer
10/03/2007CN200956302Y Self-controlled air-cooled flat-wave reactor
10/03/2007CN200956301Y Transformer low-voltage high-current outlet three-phase in-one-tank-type electric shielding structure
10/03/2007CN200956300Y Transformer insulating structure
10/03/2007CN200956299Y Transformer coil with low local discharge
10/03/2007CN200956298Y Transformer rectangular coil
10/03/2007CN200956297Y Efficient transformer
10/03/2007CN200956296Y Double magnetic circuit ironcore
10/03/2007CN200956295Y 电抗器 Reactor
10/03/2007CN200956294Y Explosion-proof transformer water pressure test sealing structure
10/03/2007CN200956293Y Barrel type transformer casing
10/03/2007CN101048831A 逆变变压器 Inverter transformer
10/03/2007CN101048830A Magnetic device
10/03/2007CN101048829A Multi-chamber system serving as a liquid equalizing tank, and use thereof
10/03/2007CN101047059A Metal-isolator-metal transformer and its manufacturing method
10/03/2007CN101047058A 线圈部件 Coil assembly
10/03/2007CN100341384C Invertor for liquid crystal display screen back light source
10/03/2007CN100341081C Multiple choke coil and electronic equipment using the same
10/03/2007CN100341080C 线圈装置 Coil device
10/03/2007CN100341079C Choke and electronic equipment using it
10/03/2007CN100340786C Assembling structure of field coil
10/02/2007US7277001 Coil-embedded dust core
10/02/2007US7277000 Inductor and transformer
10/02/2007US7276999 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
10/02/2007US7276998 Encapsulated package for a magnetic device
10/02/2007US7276816 High-frequency matching network
09/2007
09/27/2007WO2007108625A1 The cooler for transformer using generation cycle
09/27/2007WO2007107492A1 Connecting element for an electric shielding assembly
09/27/2007WO2007107119A1 Current carrier combined with heat-pipe
09/27/2007US20070222548 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
09/27/2007US20070222546 High Performance Dielectric Oil and the Use Thereof in High Voltage Electrical Equipment
09/27/2007US20070220738 Method of forming a transformer coil
09/27/2007CA2646584A1 Connecting element for an electrical shielding arrangement
09/26/2007EP1385179B1 Magnetic core and magnetic core-use adhesive resin composition
09/26/2007CN200953385Y Mine flameproof binding post
09/26/2007CN200953283Y Outdoor bus type current mutual inductor
09/26/2007CN200953281Y Three-cracking driving rectifier transformer
09/26/2007CN200953280Y Distributing loaded voltage regulating electric transformer
09/26/2007CN200953279Y Transformer for dynamic analog testing
09/26/2007CN200953278Y Elliptical insulation drum for mine flampeproof transformer low-voltage coil
09/26/2007CN200953277Y High-temperature resisting electric transformer
09/26/2007CN200953276Y 铁轭压块 Briquette iron yoke
09/26/2007CN200953275Y Voltage regulator for electric dust cleaning rectifier transformer
09/26/2007CN200953274Y Mine flameproof transformer dressing copper gang clamping device
09/26/2007CN200953273Y Transformer winding base improved structure
09/26/2007CN200953272Y Three-phase V/V tractive transformer structure
09/26/2007CN200953271Y Multi-strand sandwich-interleaved winding out wire central section
09/26/2007CN200953270Y Transformer sectional multilayer solenoid type coil structure
09/26/2007CN200953269Y Iron core fastening device
09/26/2007CN200953268Y Oil conservator for railway high-voltage traction transformer
09/26/2007CN200953267Y Transformer oil cleaning device
09/26/2007CN200953266Y Ventilating transformer
09/26/2007CN200953265Y 吹风变压器 Hair Transformer
09/26/2007CN200953264Y Oil-saving distributing transformer casing
09/26/2007CN200953263Y Mining flameproof dry transformer casing
09/26/2007CN200953262Y Round flame proof casing footing
09/26/2007CN200953261Y Universal colour TV line output transformer
09/26/2007CN101042959A Transformer device and circuit apparatus transformer device used for controlling transformer
09/26/2007CN101042958A Transformer and iron core set thereof
09/26/2007CN101042957A Voltage transformer capable of adjusting leakage inductance and Electric lamp drive apparatus using same
09/25/2007US7274282 Transformer
09/25/2007US7274281 Discharge lamp lighting apparatus
09/25/2007US7274000 Power source for high current welding
09/25/2007CA2353584C Method to reduce partial discharge in high voltage stator coil's roebel filler
09/20/2007WO2007105451A1 Metal terminal, coil component and method for holding and fixing conductive wire
09/20/2007WO2007105339A1 High voltage generation transformer for discharge lamp lighting device
09/20/2007WO2007105187A1 A transformer for multi-output power supplies
09/20/2007WO2007104190A1 Transformer using separating heat pype for radiating heat
09/20/2007US20070217103 Method and equipment for the protection of power systems against geomagnetically induced currents
09/20/2007US20070216512 Inductor
09/20/2007US20070216511 Transformer and core set thereof
09/20/2007US20070216508 Transformer with adjustable leakage inductance and driving device using the same
09/20/2007US20070216507 Electrical Contacting Of Thin Enameled Wires Of Secondary Windings Of Ignition Coils Having A Contact Crown And Contact Element
09/20/2007US20070216379 Power supply unit and portable device
09/20/2007DE202007008007U1 Magnetventilkopf eines Magnetventils Solenoid valve head of a solenoid valve
09/19/2007EP1332503B1 Inductive components
09/19/2007CN200950389Y Square iron core/coil transformer
09/19/2007CN200950386Y Transformer and enclosed bus connection structure
09/19/2007CN200950385Y Improved structure of power source transformer
09/19/2007CN200950384Y Non-iron yoke dry-type iron-core reactor
09/19/2007CN200950383Y Transformer coil wiring structure
09/19/2007CN200950382Y Iron-core cake structure
09/19/2007CN200950381Y Three-phase transformer opening wound core
09/19/2007CN200950380Y Three-phase transformer core
09/19/2007CN200950379Y CD type iron core intermediate frequency inductor with locking clamp
09/19/2007CN200950378Y Bell cover type transformer oil tank
09/19/2007CN200950377Y 变压器 Transformer
09/19/2007CN200950376Y Radiator fin type transformer
09/19/2007CN200950375Y Transformer tap switch protecting device
09/19/2007CN200950374Y Improved structure for integrated circuit inducer
09/19/2007CN101040353A Transformer device for generating an ignition voltage for internal combustion engines
09/19/2007CN101040352A Bobbin-less coil and method of manufacturing the same
09/19/2007CN101039068A Power electronics equipments
1 ... 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 ... 434