Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2007
12/19/2007CN101091191A Contactless data receiver/transmitter
12/19/2007CN101090202A Flexible AC transmitting system based on flywheel energy storage
12/19/2007CN101090201A Flexible AC double-feed type wind generating and transmitting system
12/19/2007CN101090035A Pressure magnetic element and light source drive device using it
12/19/2007CN101090033A Symmetric differential inductance structure
12/19/2007CN101090032A 电感结构 Inductance structure
12/19/2007CN101090031A Device for producing iron core
12/19/2007CN101090030A Cutting design method of symmetrical triangle rolling iron core development band of transformer
12/19/2007CN101090029A 变压器 Transformer
12/19/2007CN101090028A Iron-core structure of section three-phase stereo roll iron-core transformer
12/19/2007CN101090027A 磁性元件 Magnetic components
12/19/2007CN100356489C Multilayer coil component and its manufacturing method
12/19/2007CN100356488C Mn-Zn based ferrite member
12/18/2007US7310037 Twin spark ignition coil with provisions to balance load capacitance
12/18/2007US7310034 Superconductor magnet coil configuration
12/18/2007CA2413795C Ignition coil with driver
12/13/2007WO2007142823A2 Disc-wound transformer with foil conductor and method of manufacturing the same
12/13/2007WO2007142143A1 Magnetic device, and switching power source circuit using the device and control method for the circuit
12/13/2007WO2007142099A1 Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus
12/13/2007WO2007142075A1 Process for producing magnetic powder and process for producing dust core
12/13/2007WO2007141997A1 High frequency circuit component
12/13/2007WO2007141489A2 Magnetic core of an electric machine having anisotropic material embedded in isotropic material
12/13/2007WO2007140918A1 Device for absorption of noise
12/13/2007US20070285203 Transformer with high sustain voltage and driving device using the same for driving light source module
12/13/2007US20070285201 Induction coupling apparatus
12/13/2007US20070285200 Surface mount inductor
12/13/2007DE102006052131A1 Pressure resistant transformer e.g. fixed sheet metal boiler, has pressure releasing device embraced in pressure releasing system of switching system, where releasing system minimizes and cools pressure, fire and hotness in transformer
12/13/2007DE102006027312A1 Vorrichtung zum Absorbieren des Rauschens Apparatus for absorbing the noise
12/13/2007CA2653229A1 Device for absorbing noise
12/12/2007EP1864304A2 Transformer provided with an electrical shielding
12/12/2007EP1322971A4 Re-locatable partial discharge transducer head
12/12/2007CN200990307Y Compound switch for transformer cooler
12/12/2007CN200990287Y Lid hinged low-voltage current mutual inductor
12/12/2007CN200990285Y Controllable reactor with compensating winding
12/12/2007CN200990284Y External electric source controllable reactor
12/12/2007CN200990283Y Transformer
12/12/2007CN200990282Y Non-packaging dry type transformer low-voltage large current phase bank clamping device
12/12/2007CN200990281Y Lead wire bank for tranformer foil coil use
12/12/2007CN200990280Y Transformer bushing
12/12/2007CN200990279Y Non-packaging dry type transformer dustproof coil
12/12/2007CN200990278Y Non-packaging dry type transformer continuous high-voltage coil
12/12/2007CN200990277Y Elliptic foil type coil with insulating drum
12/12/2007CN200990276Y Non-packaging dry type transformer core
12/12/2007CN200990275Y Mine flameproof type transformer five-column core
12/12/2007CN200990274Y High-burning point insulating oil transformer for variable frequency oil-submersible pump use
12/12/2007CN200990273Y Built-in liquid level gauge type oil storage cabinet flange
12/12/2007CN200990272Y Dry transformer sound absorption shell
12/12/2007CN200990271Y Non-packaging dry transformer fixing device
12/12/2007CN200990270Y Mine flameproof type transformer coil longitudinal clamping device
12/12/2007CN200990269Y Mine flameproof type transformer iron core horizontal clamping device
12/12/2007CN200990265Y Column insulator device used for dry reactor
12/12/2007CN200990126Y Electric transformer antitheft alarmer
12/12/2007CN200989107Y Down antitheft lock for transformer
12/12/2007CN200987848Y Transformer fire-fighting device control circuit
12/12/2007CN101087197A Network communication transformer and its making method
12/12/2007CN101086917A Compensation method of voltage mutual inductor and secondary loop voltage reduction error and compensation device
12/12/2007CN101086916A 电感器及其制造方法 Inductor and manufacturing method thereof
12/12/2007CN101086915A Making method of C-type ironic core of voltage mutual inductor
12/12/2007CN101086913A 变压器 Transformer
12/12/2007CN101086909A Making method of high adhesive self-pasting dual-glass silk-covered film agglomerated copper flat line
12/12/2007CN101086907A A transmission line
12/11/2007US7307502 Power inductor with reduced DC current saturation
12/11/2007US7307410 Alternating current detection coil
12/11/2007US7307361 Medium voltage power converter formed using low voltage drives
12/11/2007US7305751 Electrical contact between thin varnished wires of the secondary winding of an ignition coil
12/09/2007CA2591103A1 Aluminum wound transformer
12/06/2007WO2007139252A1 System for preventing rupture of transformer tank
12/06/2007WO2007138800A1 Layered type balloon transformer
12/06/2007WO2007138775A1 Coil device for antenna and antenna system for rear window of vehicle
12/06/2007WO2007120796A3 Transformer with foamed insulating material and method of manufacturing the same
12/06/2007WO2007016346A3 Ststem for managing electrical consumption
12/06/2007WO2006063081A3 Miniature circuitry and inductive components and methods for manufacturing same
12/06/2007US20070279179 Magnetic core for transformer
12/06/2007US20070279178 Winding body for a coil of an electrical machine
12/06/2007US20070279177 Disc-wound transformer with foil conductor and method of manufacturing the same
12/06/2007US20070279174 Toroidal Inductive Devices And Methods Of Making The Same
12/06/2007US20070279173 Measurement transmitter
12/06/2007US20070279172 Electric device and method for producing the same
12/06/2007US20070279171 Inductor with insluative housing and method for making the same
12/06/2007US20070279019 Transformer Based Voltage Supply
12/06/2007US20070278970 Power supply circuit and transformer thereof
12/06/2007US20070277994 Conductor For Liquid-Cooled Windings
12/06/2007DE19829424B4 Gleichpoliges Filter DC-pole filter
12/06/2007DE102006026466B3 Inductive electrical element particularly transformer, has winding conductor, particularly formed as filament, which is wounded partly around ferromagnetic core for formation of winding
12/06/2007DE102006025073A1 Zündspule Ignition coil
12/06/2007CA2651750A1 System for preventing rupture of transformer tank
12/05/2007EP1863043A2 Mounting structure of ferrite core
12/05/2007EP1861857A2 Miniature circuitry and inductive components and methods for manufacturing same
12/05/2007CN200986890Y Multifunctional protecting equipment for transformer
12/05/2007CN200986855Y Wire winding device
12/05/2007CN200986853Y Dry-type capacitive electromagnetic potential transformer
12/05/2007CN200986852Y Shaft angle changing device for dual-channel and dual-margin rotary transformer
12/05/2007CN200986851Y Initiative field full magnetic shading squirrel cage-shaped dry semi-iron core reactor
12/05/2007CN200986850Y Initiative field full magnetic shading squirrel cage-shaped oil immersion semi-iron core reactor
12/05/2007CN200986849Y Initiative field full magnetic shading squirrel cage-shaped oil immersion hollow reactor
12/05/2007CN200986848Y Initiative field full magnetic shading squirrel cage-shaped dry hollow reactor
12/05/2007CN200986847Y Public lighting combination type dry transformer
12/05/2007CN200986843Y Induction type anti-theft electric power facility
12/05/2007CN200986842Y Stereo winding dual-split transformer voltage-regulating coil
12/05/2007CN200986841Y Choke coil