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)
10/2008
10/01/2008CN101278362A Base agent for electrical insulating oil
10/01/2008CN101276683A Inductance component
10/01/2008CN101276682A Method for coating epoxy resin on three-phase three-pole amorphous iron core
10/01/2008CN101276681A Dry transformer
10/01/2008CN101276680A Oil-immersed power transformer
10/01/2008CN101276679A Oil-immersed type transformer for tridimensional triangle iron core
10/01/2008CN101276678A Dry-type transformer for hatch winding iron core with oval-shaped cross section
10/01/2008CN101276677A Oil-immersed type power transformer for hatch winding iron core
10/01/2008CN101276676A Oil-immersed type transformer for hatch winding iron core with oval-shaped cross section
10/01/2008CN101276675A Dry power transformer for hatch winding iron core
10/01/2008CN101276674A Inner embedded type inductive element and manufacturing method thereof
10/01/2008CN100423418C Current-compensated choke and circuit arrangement comprising the current-compensated choke
10/01/2008CN100423255C Semiconductor devices with wire bond inductor and method
10/01/2008CN100423142C Winding wiring structure for ultra-large capacity on-load variac
10/01/2008CN100423141C Connection structure of voltage regulation winding lead of super-large volume autotransformer
09/2008
09/30/2008US7429908 Coil form
09/30/2008US7429907 Power inductor with heat dissipating structure
09/30/2008US7429899 Reduced eddy current loss in LC tank circuits
09/25/2008WO2008116042A2 Power supply
09/25/2008WO2008114370A1 Transformer for use in distribution line carrier system
09/25/2008WO2008113866A1 Electrical equipment insulated with a biodegradable dielectric fluid
09/25/2008WO2008113865A1 Biodegradable dielectric fluid
09/25/2008WO2008113745A1 Compact secondary substation with cooling system
09/25/2008WO2008113143A2 Temperature monitoring system for power transformers submerged in oil
09/25/2008US20080231409 A magnetic powder core equipped with insulative coating having superior heat resistance; the protectice coating adequately restricts the flow of eddy currents between particles; iron particles with lower layer of metal oxide and upper layer containing silicon; mathematics; power supply circuits
09/25/2008US20080231408 Transformer
09/25/2008US20080231406 Surface mount magnetic device
09/25/2008US20080231405 Vertical transformer
09/25/2008US20080231404 Integrated type transformer
09/25/2008US20080231403 Independent planar transformer
09/25/2008US20080231402 Inductor devices
09/25/2008US20080231401 Embedded inductor and manufacturing method thereof
09/25/2008US20080231383 Origami Cascaded Topology For Analog and Mixed-Signal Applications
09/25/2008US20080231241 Transformers
09/25/2008US20080231211 Power supply
09/24/2008EP1973127A1 Live part of an encapsulated transformer equipped with a connection system at one end and modular HV/LV transformer including same
09/24/2008EP1973126A1 Adjustable primary voltage coil for a dry-type transformer and HV/LV transformer comprising same
09/24/2008EP1973125A1 Core member of magnetic structure body
09/24/2008EP1973124A1 Independent planar transformer
09/24/2008EP1971674A2 Improved method for on-line removal of corrosive components of transformer oil
09/24/2008CN201122906Y Synchronous commutation control circuit
09/24/2008CN201122835Y Special mutual inductor for motor protector
09/24/2008CN201122502Y Combined transformer structure
09/24/2008CN201122499Y Capacity-adjustable dry-type transformer
09/24/2008CN201122498Y Novel iron core strap locking device
09/24/2008CN201122497Y Non-packaging clearance cored winding of distribution transformer
09/24/2008CN201122496Y Secondary outgoing line side refrigerating mechanism of electric arc furnace transformer device
09/24/2008CN201122495Y Oil conservator of transformer fuel tank
09/24/2008CN201122494Y Portable oil filtering system
09/24/2008CN201122493Y Air cooling device of transformer device
09/24/2008CN201122492Y Low-noise reactor body
09/24/2008CN201122491Y Machine body fixing device
09/24/2008CN201122490Y Reactor positioning device
09/24/2008CN201122489Y Air pump leakage device for transformer device
09/24/2008CN201122486Y Inductor
09/24/2008CN201122485Y Saturating reactor for DC power transmission converter valve
09/24/2008CN201122483Y Master-salve combined arc extinguishing reactor
09/24/2008CN201121598Y Transverse flow type cooling draught fan for dry-type transformer
09/24/2008CN101273420A Oil filled transformer with spacers and spacers for separating and supporting stacked windings
09/24/2008CN101273418A Multilayer insulated wire and transformer using the same
09/24/2008CN101272063A Noncontact power transmission device
09/24/2008CN101271763A Integrated type transformer
09/24/2008CN101271762A Transformer
09/24/2008CN101271761A Cushion block of iron core for transformer
09/24/2008CN101271760A Electronic element and its producing method
09/24/2008CN101271759A Low tension coil of transformer with split windings
09/24/2008CN101271758A Unification method of electricity
09/24/2008CN101271757A Iron core of transformer
09/24/2008CN101271756A Hatch coiled iron core oil-immersed type transformer
09/24/2008CN101271755A Dry power transformer
09/24/2008CN101271754A Lower part positioning device of power transformer
09/24/2008CN101271753A Upper part pressing device of power transformer
09/23/2008US7427909 Coil component and fabrication method of the same
09/23/2008CA2352881C Wire core inductive devices
09/18/2008WO2008112977A1 Multiple frequency transmitter, receiver, and systems thereof
09/18/2008WO2008111093A2 Transformers
09/18/2008WO2004063654A3 Thermal energy transfer panel
09/18/2008US20080224813 Wire-wound coil
09/18/2008US20080224812 Isolated power converter
09/18/2008US20080224810 Ignition Coil for an Internal Combustion Engine
09/18/2008US20080224809 Magnetic integration structure
09/18/2008US20080224543 Non-contact signal transmission apparatus
09/17/2008EP1970923A1 Power inductor
09/17/2008EP1970922A1 Cooling system
09/17/2008EP1970917A1 Soft magnetic material, dust magnetic core, process for producing soft magnetic material and process for producing dust magnetic core
09/17/2008CN201118245Y Three phase oil immersion type magnetic control reactor
09/17/2008CN201118203Y Device for suppressing transformer noise arousing from dc magnetic bias
09/17/2008CN201117426Y Transformer winding expander
09/17/2008CN201117419Y Minisize transformer
09/17/2008CN201117417Y Flow equalizing autotransformer and automatic pressure regulating three phase balancing electricity saver
09/17/2008CN201117415Y Self-coupled regulating transformer winding construction
09/17/2008CN201117414Y Self-coupled regulating transformer
09/17/2008CN201117413Y Energy-saving electric welding machine
09/17/2008CN201117412Y Transformer safe insulation structure
09/17/2008CN201117411Y Reactor vibration damping and noise reducing device
09/17/2008CN201117410Y Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure
09/17/2008CN201117409Y Amorphous alloy dry-type distributing transformer aluminum foil coil and transformer body structure
09/17/2008CN201117408Y High low-voltage winding rectangular coil
09/17/2008CN201117407Y Transformer low-voltage coil lead wire structure
09/17/2008CN201117406Y Traction transformer winding structure
1 ... 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 ... 434