Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
01/2011
01/27/2011US20110018666 Multiple coils fluorescent lamp ballast
01/27/2011US20110018363 Current transformer assembly for electromechanical switching device
01/26/2011EP2278160A1 Wind turbine
01/26/2011EP1840909B1 Bobbin-less coil and method of manufacturing the same
01/26/2011EP1694960B1 Ignition coil
01/26/2011CN201726059U Box-type substation
01/26/2011CN201725906U Electric connector
01/26/2011CN201725703U Protective switch for transformer with obvious breakpoints
01/26/2011CN201725679U Low-voltage duplex winding current sensor
01/26/2011CN201725676U Body structure of primary dual-voltage SCB10 dry type transformer
01/26/2011CN201725675U Transformer for wind power test
01/26/2011CN201725674U Novel coil base
01/26/2011CN201725673U Foil wound coil for transformer
01/26/2011CN201725672U Trifid rectifier transformer
01/26/2011CN201725671U Improved transformer structure
01/26/2011CN201725670U Transformer iron core
01/26/2011CN201725669U Transformer iron core pulling plate device
01/26/2011CN201725668U Magnetic core for low-power devices
01/26/2011CN201725667U E-shaped magnetic core
01/26/2011CN201725666U Round magnetic core
01/26/2011CN201725665U Magnetic core
01/26/2011CN201725664U Magnetic core
01/26/2011CN201725663U IB type combined magnetic core
01/26/2011CN201725662U Novel three-phase transformer core
01/26/2011CN201725661U Reactor core with ferro-silicon aluminum as air gap
01/26/2011CN201725660U High-frequency transformer radiating assembly
01/26/2011CN201725659U Novel transformer temperature-reducing energy-saving device
01/26/2011CN201725658U Corrugated type transformer oil tank
01/26/2011CN201725657U Oil tank for immersed power transformers
01/26/2011CN201725656U Cooling main pipe of transformer
01/26/2011CN201725655U Box edge structure of transformer with folded edge
01/26/2011CN201725654U Sealing structure for transformer tank edge and oil immersed transformer comprising same
01/26/2011CN201725653U Voice frequency isolation transformer
01/26/2011CN201725652U Dry type transformer housing
01/26/2011CN201725651U Explosion-proof transformer shell
01/26/2011CN201725650U Low-voltage large-current sleeve
01/26/2011CN201725649U Integrated inductor
01/26/2011CN201725648U Inductive component
01/26/2011CN201725647U Improved SMD inductor
01/26/2011CN201725612U Polyester mesh pack transposition wire
01/26/2011CN201724320U Air disinfection purification central air conditioner
01/26/2011CN101960541A Disc winding
01/26/2011CN101958192A Manufacture method of magnetic core and inductor manufactured by using magnetic core
01/26/2011CN101958191A Zero sequence current mutual inductor
01/26/2011CN101958190A Shielding and isolating voltage mutual inductor
01/26/2011CN101958189A Multi-voltage dry type transformer in explosive gas environment
01/26/2011CN101958187A All-insulated on-load voltage-regulating transformer angularly connected on 220-kilovolt high voltage side
01/26/2011CN101958186A 220,000-volt power transformer for switching and regulating voltages of different voltage classes
01/26/2011CN101958185A Shied for high-voltage electrodes
01/26/2011CN101958184A Method for processing shied for high-voltage electrodes
01/26/2011CN101958183A Double-tight pole thread wiring clamp of transformer
01/26/2011CN101958182A Dual-fixation oblique holding pole jointing clamp of transformer
01/26/2011CN101958181A Manufacturing method of aluminum foil transformer
01/26/2011CN101958180A Transformation device
01/26/2011CN101958179A Method for mechanically binding and manually binding big transformer iron core
01/26/2011CN101958178A Combined multi-function potential device for laboratories
01/26/2011CN101958177A Safety guard for transformer high-voltage bushing and jointing clamp
01/26/2011CN101958176A Safety guard for transformer bushing and oblique jointing clamp
01/26/2011CN101958175A Jointing clamp safety hood of transformer
01/26/2011CN101958168A Voltage divider casing pipe for electronic type mutual inductor
01/26/2011CN101471174B Isolation transformer
01/26/2011CN101236822B Transformer decomposition transmission method and iron core decomposition transmission method
01/25/2011USRE42058 Automatic dehydrating breather apparatus and method
01/25/2011US7877170 Remanent voltage generator tachometer and control for induction machine
01/25/2011US7876191 Power converter employing a tapped inductor and integrated magnetics and method of operating the same
01/25/2011US7876189 Form-less electronic device assemblies and methods of operation
01/20/2011WO2011007879A1 Reactor
01/20/2011WO2011006845A1 Conductor handling tool and a method of applying an electrically insulating material
01/20/2011US20110012702 MnZn FERRITE AND A TRANSFORMER MAGNETIC CORE
01/19/2011EP2274754A1 Dry-type transformer
01/19/2011EP2274753A1 Power transformer for radiofrequency signals
01/19/2011EP2274751A1 Procedure for manufacturing of a magnetic core and a magnetic core
01/19/2011EP1950769B1 Multilayered electric insulated wire and transformer using the same
01/19/2011CN201717613U Jbk transformer control system
01/19/2011CN201717117U 10 kV electronic electromagnetic current transformer
01/19/2011CN201717116U Voltage transformer with fuse
01/19/2011CN201717115U Dry type voltage transformer
01/19/2011CN201717114U Bi-axle interactive single-phase induction voltage regulator
01/19/2011CN201717111U Transformer structure
01/19/2011CN201717110U Intrinsically safe planar transformer
01/19/2011CN201717109U Ultrathin transformer
01/19/2011CN201717108U Self-coupling transformer for AT power supply of electrified railway
01/19/2011CN201717106U High-power water-cooled transformer with middle tap
01/19/2011CN201717105U Power transformer
01/19/2011CN201717104U Oil-immersed transformer
01/19/2011CN201717103U Novel fast saturated damping device
01/19/2011CN201717102U Positioning structure for transformer body
01/19/2011CN201717101U Ee13 high-frequency transformer framework
01/19/2011CN201717100U Transformer conducting busbar provided with cooling system
01/19/2011CN201717099U Gradually-changing high-voltage coil turn number type transformer
01/19/2011CN201717098U Variable pressure device
01/19/2011CN201717097U Imporous oblique joint laminated iron core
01/19/2011CN201717096U Iron core quick-mounting clamp
01/19/2011CN201717095U Three-phase R type iron core
01/19/2011CN201717094U Transformer structure
01/19/2011CN201717093U Inductor with iron core arranged at the center
01/19/2011CN201717092U Device for cooling transformer oil with water
01/19/2011CN201717091U Support connection structure capable of preventing circulation in transformer oil tank
01/19/2011CN201717090U Small oil tank of magnetic control reactor
01/19/2011CN201717089U Oil-charged transformer electrified oil-injection joint