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)
11/2008
11/05/2008CN101299571A Circulation cold air apparatus for high voltage frequency conversion equipment
11/05/2008CN101299395A Method for manufacturing reactor coil wire lead
11/05/2008CN101299392A Transformer and winding frame thereof
11/05/2008CN101299383A Energy-saving type delta-shaped transformer
11/05/2008CN101299382A Directly-mounting type bar shape wiring block and slide tapping switch using the same
11/05/2008CN101299381A Coiling method for mutual inductor and products produced thereby
11/05/2008CN101299380A Transformer high temperature index self-adhering transposition conductor and preparation method thereof
11/05/2008CN101299379A Laminar article for electrical use and a method and machine for producing said article
11/05/2008CN101299378A Application of flexible magnetic material for producing magnetic core of printed circuit board transformer
11/05/2008CN101299377A Control apparatus for automatic cyclic permutation switch-throwing of transformer cooling system
11/05/2008CN101299376A Unequally tapped coil solenoid valve
11/05/2008CN101299375A High leakage reactance type level adjustable series iron-core reactor
11/05/2008CN101299369A Magnetic element as well as method for weakening leakage interference thereof
11/05/2008CN100431063C Magnetic device
11/05/2008CN100430427C Electronic material composition, electronic product and method of using electronic material composition
11/04/2008US7447050 Multilevel converter and method of converting a supply voltage
11/04/2008US7446642 Inductor
11/04/2008US7446641 Balance transformer
11/04/2008US7446640 Leakage transformer
11/04/2008US7446639 Micro power converter and method of manufacturing same
11/04/2008US7446637 Parent-child leadframe type transformer
10/2008
10/30/2008WO2008131007A1 Embedded step-up toroidal transformer
10/30/2008WO2008129756A1 Aligned multilayer-wound coil
10/30/2008WO2008129644A1 Coil and method of manufacturing coil
10/30/2008WO2008128913A1 Electronic component
10/30/2008WO2008128912A1 Electronic component
10/30/2008WO2008128499A1 Electromagnetic actuating element
10/30/2008WO2008008382A3 Devices and methods for redistributing magnetic flux density
10/30/2008US20080266043 Planar transformer arrangement
10/30/2008US20080266042 Transformer unit, and power converting device
10/30/2008US20080266040 Ignition coil
10/30/2008US20080265894 Externally Guided and Directed Halbach Array Field Induction Resistivity Tool
10/30/2008US20080265893 Externally Guided and Directed Field Induction Resistivity Tool
10/30/2008DE102007019164A1 Circuit arrangement for feeding high voltage from three-phase network, has three conductors in three transmission lines each with two cable leads charged with alternating voltage
10/30/2008DE102007019111A1 Elektronisches Bauelement Electronic component
10/30/2008DE102007019110A1 Elektronisches Bauelement Electronic component
10/30/2008CA2684649A1 Embedded step-up toroidal transformer
10/29/2008EP1984930A2 Broadband over powerlines (bpl) coupling system
10/29/2008EP1859331B1 Method for controlling cooling on a power transformer
10/29/2008EP1196930B1 Sound-insulating device for an induction machine
10/29/2008CN201142531Y Shutter ventilation louver embedded in box transmission wall
10/29/2008CN201142270Y Auxiliary transformer for power car
10/29/2008CN201142269Y Transformer device and primary and secondary coil holder thereof
10/29/2008CN201142268Y High-impedance rectifier transformer for electric precipitation
10/29/2008CN201142267Y Transformer device used for power unit cascading multi-power level type high voltage frequency convertor
10/29/2008CN201142266Y Transformer device used in non-network side reactor high-voltage frequency convertor
10/29/2008CN201142265Y Isolation transformer capable of making live-wire conductor have no current for personal safety
10/29/2008CN201142264Y Audio output transformer device
10/29/2008CN201142263Y Novel high-voltage packaging type winding dry-type transformer
10/29/2008CN201142262Y Triangle disposition iron core shunt reactor
10/29/2008CN201142261Y Novel magnetic ring
10/29/2008CN201141462Y Vacuum oiling valve of high-pressure mutual inductor
10/29/2008CN101297382A Planar magnetic device and power supply IC package using same
10/29/2008CN101295869A High-credibility excitation inrush current braking method of transformer device
10/29/2008CN101295578A Sulfur hexafluoride gas insulating transformer
10/29/2008CN101295577A Coil iron core with stereo triangular hatch
10/29/2008CN101295576A Iron core of power transformer
10/29/2008CN101295574A Inductive element
10/29/2008CN101295573A Inductor with improved current characteristic
10/28/2008US7443279 Coil package and bias tee package
10/28/2008US7443278 Coil device, composite coil device, and transformer device
10/28/2008US7443277 Coil component
10/28/2008US7443276 Electromagnetic coupling galvanic isolated digital output circuit with output feedback
10/28/2008US7443275 Device for absorbing noise
10/28/2008US7443274 Inductor and fabricating method thereof
10/28/2008US7443273 Arrangement for cooling of components of wind energy installations
10/23/2008WO2008127398A2 Flame retardent, electrically-conductive pressure sensitive adhesive materials and methods of making the same
10/23/2008WO2008125288A1 Electric component with winding and tapping
10/23/2008WO2008060342A3 Generation of multipolar electromagnetic energy
10/23/2008CA2683927A1 Hardware free data distribution terminal pedestal
10/23/2008CA2683038A1 Electric component with winding and tapping
10/22/2008EP1983529A1 Multilayer insulated wire and transformers made by using the same
10/22/2008CN201138611Y Dry-type sparking coil with encapsulation protecting layer for iron core
10/22/2008CN201138609Y Transformer of industrial frequency
10/22/2008CN201138608Y Novel planar transformer
10/22/2008CN201138607Y Transformer integrated with LLC inductor
10/22/2008CN201138606Y Micro pulse high-voltage transformer
10/22/2008CN201138605Y High-frequency high-power transformer
10/22/2008CN201138604Y Synthetic loss reducing apparatus for distributing transformer
10/22/2008CN201138603Y Novel oil-immersed type transformer with amorphous alloy iron core
10/22/2008CN201138602Y Transformer with high isolation breakdown voltage
10/22/2008CN201138601Y Cracking resistant coil for epoxy pouring dry-type reactor and transformer
10/22/2008CN201138600Y Secondary coil winding apparatus of electrical resistance welding transformer
10/22/2008CN201138599Y Novel amorphous alloy magnet core and dry type transformer
10/22/2008CN201138598Y Conductive cooling aluminum special-shaped material for water-cooled transformer
10/22/2008CN201138597Y Transformer component for high-frequency water-cooling electric plating power source
10/22/2008CN201138596Y Novel transformer for power frequency test without partial discharge
10/22/2008CN201138595Y Inductor ensuring minimum current tolerant variation of inductor energy accumulating space
10/22/2008CN201138594Y Inductor for signal separation, coupling and impedance match
10/22/2008CN101292306A Inductive devices and transformers utilizing the tru-scale reactance transformation system for improved power systems
10/22/2008CN101290829A Compact type core construction
10/22/2008CN101290828A Iron core construction with unequal intersecting surface for working at saturated magnetization zone
10/21/2008US7439843 Transformers
10/21/2008US7439838 Transformers and winding units thereof
10/16/2008WO2006105119A3 6 KHz AND ABOVE GAS DISCHARGE LASER SYSTEM
10/16/2008US20080253149 Composite transformer and insulated switching power source device
10/16/2008US20080252409 Power transmission transformer for noncontact power transfer device
10/16/2008US20080252406 Coil component
10/16/2008US20080252181 Small diameter stepping motor, bobbin used therein and manufacturing method thereof
10/16/2008US20080251424 Method for Removal of Reactive Sulfur from Insulating Oil
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