Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
10/2006
10/11/2006CN1845270A Extended box type transformer module
10/11/2006CN1845269A Transformer framework
10/11/2006CN1845268A Transformer framework
10/11/2006CN1845267A Transformer and discharge lamp lighting device
10/11/2006CN1843698A Iron dust core grinding device, method and finished product thereof
10/10/2006US7120492 Flyback transformer wire attach method to printed circuit board
10/10/2006US7119647 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
10/10/2006US7119646 Apparatus and method for controlling the temperature of the core of a super-conducting transformer
10/10/2006US7119635 Electronic component
10/05/2006WO2006105184A1 Magnetically differential inductors and associated methods
10/05/2006WO2006105026A1 A transformer having a stacked core with a split leg and a method of making the same
10/05/2006WO2006105024A2 A transformer having a stacked core with a cruciform leg and a method of making the same
10/05/2006WO2006104148A1 Magnetic core and applied product making use of the same
10/05/2006US20060220777 Magnetic element and power supply
10/05/2006US20060218790 Electromagnet having spacer for facilitating cooling and associated cooling method
10/05/2006DE112004002002T5 Gleichrichtungssystem zur Verbesserung der Qualität von Stromversorgungssystemen Detection system to improve the quality of power supply systems
10/05/2006CA2601894A1 A transformer having a stacked core with a cruciform leg and a method of making the same
10/05/2006CA2601506A1 A transformer having a stacked core with a split leg and a method of making the same
10/04/2006EP1706878A1 Ignition coil for an internal combustion engine
10/04/2006CN2824265Y Loaded tap switch insulation tube
10/04/2006CN2824255Y Sealed oil portion dust-proof transformer
10/04/2006CN2824254Y Iron core cake structure
10/04/2006CN2824111Y Monitor structure for main air cooling changing system
10/04/2006CN1842879A Printed circuit board with integrated inductor
10/04/2006CN1842435A Magnetic pole for magnetic levitation train
10/04/2006CN1842434A Magnetic pole for magnetic levitation train
10/04/2006CN1842433A Magnetic pole for magnetic levitation train
10/04/2006CN1841885A Self-circulation cooling loop of heavy current fixture wire
10/04/2006CN1841585A Transformer
10/04/2006CN1841584A Transformer
10/04/2006CN1841582A Magnetic element and power supply
10/04/2006CN1841581A 可变感应器 Variable Sensor
10/04/2006CN1841579A Common mode choke coil
10/03/2006US7116206 High energy toroidal inductor
10/03/2006US7116205 Transformer and voltage supply circuit thereof for lighting tubes
10/03/2006US7116204 Leakage transformer
10/03/2006US7116203 Circuit using choke coil and choke coil
10/03/2006US7116201 High-voltage transformer
10/03/2006US7116200 Inductive coil assembly
10/03/2006US7116199 Inductive coupler for downhole components and method for making same
10/03/2006US7116185 Balun
10/03/2006CA2338237C Folded insulated foil conductor and method of making same
09/2006
09/28/2006US20060215873 Electroacoustic transducer
09/28/2006US20060214760 Air core inductive element on printed circuit board for use in switching power conversion circuitries
09/28/2006US20060214758 Ignition coil having center core
09/28/2006US20060214757 Attachable rod ignition coil
09/28/2006DE112004002301T5 Elektrische Schutzeinrichtung für ein Fahrzeug und System, das diese einsetzt Electrical protective device for a vehicle and system employing this
09/27/2006EP1573883B1 Extruded elastic insulation for conductors of electric machines
09/27/2006CN2821823Y Circular coll auxiliary winding frame
09/27/2006CN2821819Y Resin insulation non-crystal alloy dry earthing transformer
09/27/2006CN2821818Y Overlapped riveted iron core power transformer
09/27/2006CN2821817Y Oil immersed transformer without oil storage tank
09/27/2006CN2821816Y Improvement of AC DC electric iron powder core type current filter coil
09/27/2006CN1839450A Inductive component with a cooling device and use of said component
09/27/2006CN1838349A Inductor
09/27/2006CN1838348A Passive element packaging structure and making method thereof
09/27/2006CN1838346A Composite-type magnetic core and method of manufacturing same
09/27/2006CN1277281C Wound electronic component
09/26/2006US7113588 Input-output balanced filter
09/26/2006US7113068 Winding structure of inductor used in power factor correction circuit
09/26/2006US7113067 Wire-wound coil and method for manufacturing the same
09/26/2006US7113066 Electronic inductive and capacitive component
09/26/2006US7113065 Modular inductor for use in power electronic circuits
09/26/2006US7112259 Cellulosic pulp fiber exterior layers; high temperature fiber and polymeric binder interior layer; transformers
09/21/2006WO2006097142A1 Method for controlling cooling on a power transformer
09/21/2006US20060211292 Electrical contact between thin varnished wires of the secondary winding of an ignition coil
09/21/2006US20060209582 Switching power supply unit
09/21/2006US20060208844 Iron core, iron core manufacturing method, alignment apparatus, and exposure apparatus
09/21/2006US20060208843 Method and apparatus for decreasing gassing and decay of insulating oil in transformers
09/21/2006DE102005011554A1 Transformer primary winding`s DC voltage portion compensating method for alternating current-railway vehicle, involves using corresponding back electromotive force for compensating DC voltage supply portion at primary winding
09/20/2006CN2819402Y Conductive wire of electromagnetic coil
09/20/2006CN1835132A Common-mode choke coil
09/20/2006CN1276443C Reset circuit for resetting magnetic field inside iron core of transformer
09/20/2006CN1276442C Low frequency power transformers and power inductors
09/20/2006CN1276441C Step-up transformer for driving magnetron
09/20/2006CN1276261C Instrument transformer
09/19/2006US7109877 Fault monitoring apparatus and method
09/19/2006US7109836 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
09/19/2006US7109835 Highly insulated inductive data couplers
09/14/2006WO2006094630A2 Rotational transmitter
09/14/2006WO2006094596A1 Inductive component
09/14/2006US20060203521 Switching power supply apparatus
09/14/2006US20060202790 Toroidal inductive devices and methods of making the same
09/14/2006US20060202789 Electrically decoupled integrated transformer having at least one grounded electric shield
09/14/2006US20060201264 Transformer monitoring system
09/14/2006US20060200971 Method of manufacturing a transformer coil having cooling ducts
09/14/2006DE102005010342A1 Induktives Bauelement Inductive component
09/13/2006EP1602089A4 Resonant frequency tag and method for controlling tag frequency
09/13/2006EP1405322B1 Swinging choke
09/13/2006CN2817018Y Low-impedance energy-saving transformer for oil-field
09/13/2006CN2817017Y Transformer and multiple lamp-tube driving circuit using same
09/13/2006CN2817016Y Soft-excitation transformer without excitation flow and without switch-on over-voltage
09/13/2006CN2817015Y Submersible distribution transformer
09/13/2006CN1832066A Current balance transformer and electric-discharge lamp alight apparatus using thereof
09/13/2006CN1832065A Multipurpose combined protection transformer
09/13/2006CN1832064A Iron-core magnetic gap processing technology of inductive ballast
09/13/2006CN1275266C Phase-reversing transformer and phase inverter circuit
09/13/2006CN1275265C Reversed phase transformer and structure of iron core
09/12/2006US7106163 Core
09/12/2006US7106162 Current transformer