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)
07/2010
07/14/2010CN101183599B Primary and secondary isolation type high frequency transformer
07/14/2010CN101106012B Inverter transformer and discharge tube drive circuit using the same
07/14/2010CN101103421B Magnetic core for transformer
07/14/2010CN101083167B Novel structure transformer
07/13/2010US7755463 Integrated circuits with inductors
07/13/2010US7753038 Ignition coil
07/13/2010US7752735 Coil bus transformer and a method of manufacturing the same
07/08/2010WO2010077078A2 Distribution transformer with a display function and a display device of the same
07/08/2010WO2010076934A1 Transformer using coupled-core structure
07/08/2010WO2010032957A3 Power quality improvement device and power supply system
07/08/2010US20100171581 Low profile layered coil and cores for magnetic components
07/08/2010US20100171579 Magnetic electrical device
07/08/2010DE202009013443U1 Der Spitzenstrombegrenzer des Ringkerntransformators The peak current of the toroidal transformer
07/07/2010EP2203923A1 High voltage dry-type reactor for a voltage source converter
07/07/2010CN201523332U high-frequency transformer
07/07/2010CN201523324U Insulating RS485 power supply circuit for electric energy meter and pulse transformer thereof
07/07/2010CN201522934U Special-purpose flyback transformer
07/07/2010CN201522932U High-capacity weather resistance dry-type current transformer
07/07/2010CN201522931U Foul resisting current transformer applicable to plateaus
07/07/2010CN201522928U Fixing device for installing lightning arrester on transformer
07/07/2010CN201522927U Dry-type exciting rectifier transformer grounded shield device
07/07/2010CN201522926U Transformer for casting insulating cylinder by epoxy resin
07/07/2010CN201522925U Zigzag phase-shifting insulating structure of rectifier transformer
07/07/2010CN201522924U Three-dimensional reel iron core dry-type transformer insulation structure
07/07/2010CN201522923U Ultrathin transformer
07/07/2010CN201522922U Ultrathin transformer
07/07/2010CN201522921U Dry type transformer for outgoing lines of front and back panels
07/07/2010CN201522920U Multi input voltage transformer
07/07/2010CN201522919U Iron-core reactor with iron-core column binding structure
07/07/2010CN201522918U Fixed iron core structure in transformer
07/07/2010CN201522917U Elliptic oil-immersed distribution transformer
07/07/2010CN201522916U Long circular integrally poured dry-type distribution transformer
07/07/2010CN201522915U Transformer water-cooling control device
07/07/2010CN201522914U Power device
07/07/2010CN201522913U Heavy caliber oil collecting pipe radiator used by transformer
07/07/2010CN201522912U Insulating cylinder type test transformer
07/07/2010CN201522911U High voltage transformer casing pipe for insulating conductors
07/07/2010CN201522910U Connecting structure of transformer pulling plate and clamping unit
07/07/2010CN201522342U Passive audible and visual alarm temperature indicating device
07/07/2010CN201519831U Novel electric welding machine structure
07/07/2010CN101772813A Current-compensated choke and circuit arrangement having a current-compensated choke
07/07/2010CN101770854A Magnetic leakage shielding method of ultra-large capacity transformer
07/07/2010CN101770853A Coil substrate structure, substrate holding structure, and switching power supply
07/07/2010CN101770852A A method for manufacturing an inductive electric component and the inductive electric component
07/07/2010CN101770851A Method for manufacturing die casting coil structure and die casting coil structure
07/07/2010CN101770850A Radiating method and device for reactor with radiating fins
07/07/2010CN101770849A Cooling device of transformer in multi-magnetron circuit
07/07/2010CN101770848A Circuit filter
07/07/2010CN101770847A Improved inductor, power protector and power socket
07/07/2010CN101770846A Electronic element
07/07/2010CN101373661B High temperature superconduction flux pump
07/06/2010US7750787 Impedance transformer and applications thereof
07/06/2010US7750786 Electromagnetic coil
07/06/2010US7750785 Coil frame capable of connecting with another coil frame
07/06/2010US7750784 Inductor structure
07/06/2010US7750783 Electronic instrument including a coil unit
07/06/2010US7750507 Single coil pair, multiple axis inductive power coupling apparatus and method
07/01/2010WO2010073748A1 Method for predicting the probability of abnormality occurrence in oil-filled electrical apparatus
07/01/2010WO2010073661A1 Winding type coil
07/01/2010WO2010073337A1 Transformation device
07/01/2010WO2010072518A1 Method and carrying cylinder for producing an electrical coil
07/01/2010WO2010072055A1 Magnetic device with series excitation magnetic core
07/01/2010US20100165530 Reformed inductor, a surge protection device and a surge protector
07/01/2010US20100164675 Method for producing a cylindrical radio-frequency shield of a cylindrical gradient coil for a magnetic resonance system
07/01/2010US20100164674 Combined transformer and multi-lamp driving circuit
07/01/2010US20100164666 Structure and manufacturing process of a coil
07/01/2010US20100164665 Method for manufacturing inductive electric component, and inductive electric component
07/01/2010US20100164628 Distributed active transformer amplifier with differential power combiner
07/01/2010DE112008002226T5 Pulverkern, Verfahren zum Herstellen desselben, Elektromotor und Reaktor Powder core method for producing the same, electric motor and reactor
07/01/2010DE102008061552A1 Method for reducing noise of electrical transformer, involves determining current operating point of transformer and providing measurement protocol for characterizing operating point dependent behavior of transformer
07/01/2010DE102008054939A1 Stromkompensierte Drossel und Verfahren zur Herstellung einer Stromkompensierten Drossel Current-compensated choke and method for producing a current-compensated choke
06/2010
06/30/2010EP2202763A2 Method for manufacturing inductive electric component, and inductive electric component
06/30/2010EP2201583A2 A transformer assembly
06/30/2010EP2201582A1 A dry-type transformer with a polymer shield case and a method of manufacturing the same
06/30/2010CN201518276U Dry-type current transformer for indoor metering
06/30/2010CN201518275U Dry-type indoor voltage transformer used for measure
06/30/2010CN201518273U Separated capacitor-removing mutual inductor of primary winding and secondary winding
06/30/2010CN201518271U Separable transformer for non-contact type transmission of underwater electric energy on the basis of butterfly magnet core
06/30/2010CN201518270U Transformer structure
06/30/2010CN201518269U Special high-voltage transformer bushing for 20 KV distribution network
06/30/2010CN201518268U Welding single phase transformer
06/30/2010CN201518267U 变压器铁芯夹件 Transformer core clamps
06/30/2010CN201518266U Reactor with magnetic ring
06/30/2010CN201518265U Novel anti-aging oil leakage prevention transformer casing pipe
06/30/2010CN201518264U Adjustable intermediate frequency transformer
06/30/2010CN201518263U Novel adjustable intermediate frequency transformer
06/30/2010CN201518262U Intermediate frequency inducer
06/30/2010CN201518261U Adjustable mid-peripheral inductor
06/30/2010CN201518238U Waterproof polyimide sintered membrane wrapping transposed conductor
06/30/2010CN201517649U Dual-energy valve gate
06/30/2010CN201517506U Pipeline pump for transformer
06/30/2010CN101764295A Distribution transformer grounding device
06/30/2010CN101763938A Transformer compensator
06/30/2010CN101763937A Connection method and connection structure of regulating transformer and power transformer
06/30/2010CN101763936A Metal bellow expansion oil storage tank
06/30/2010CN101763935A Oil cooler of traction transformer of electric motor unit
06/30/2010CN101763934A Nonpolar laminated chip inductor
06/30/2010CN101763932A Coil structure and manufacturing method thereof
06/29/2010US7746211 Lamp transformer assembly
06/29/2010US7746208 Interleaved planar transformer primary and secondary winding
1 ... 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 ... 434