Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
03/2002
03/27/2002CN2483812Y Combined cooler of main transformer used for electric locomotive
03/27/2002CN2483811Y Device for preventing fraudulent use of electricity with current mutual inductor
03/27/2002CN2483810Y Electric insulated component of pipe fit for voltage transformer
03/26/2002US6362715 Transformer with high coupling efficiency
03/26/2002CA2237677C Printed wiring board
03/21/2002WO2002023707A1 Reduction of capacitance effects in potential transformers
03/21/2002WO2002023563A2 Advanced electronic microminiature coil and method of manufacturing
03/21/2002WO2002023562A1 Device for recording the operating temperature of a winding
03/21/2002WO2002023561A1 Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
03/21/2002WO2002023559A1 Broadband microwave choke and surface mounting carrier
03/21/2002US20020033747 Inductance component having a permanent magnet in the vicinity of a magnetic gap
03/21/2002US20020033206 Hot rolling, cold rolling, crystallization, decarboxylation
03/21/2002DE10128395A1 Coil bobbin for current transformer, has through-holes in primary coil attachment and fixing piece through which insertion of legs of primary coil are inserted and bent towards concave portion of window in fixing piece
03/20/2002EP1189293A2 Monolithic integrable inductor
03/20/2002EP1189249A2 Explosion-proof voltage transformer
03/20/2002EP1189248A2 Magnetic core for xdsl modem transformer and composition
03/20/2002EP1189247A2 Broadband microwave choke and surface mounting carrier
03/20/2002EP1135782A4 Wire core inductive devices
03/20/2002CN2482730Y Three phase, tri-frame and tri-column rolling iron core voltage transformer
03/20/2002CN1341153A Method for treating brittle thin metal strip and magnetic parts made from nanocrystalline alloy strip
03/20/2002CN1340877A Multi-layer LC composition unit
03/20/2002CN1340876A Multi-layer LC composite unit and regulating method for its frequency characteristic
03/19/2002US6359542 Securement for transformer core utilized in a transformer power supply module and method to assemble same
03/19/2002US6359430 Vehicle speed sensor with molded shunt resistor
03/19/2002US6359249 No wat welding system
03/19/2002US6357107 Integrated circuit inductors
03/19/2002US6357106 Method for mounting parts and making an IC card
03/14/2002WO2002021546A1 High efficiency inductor
03/14/2002WO2002020113A1 Device for preparing transformers
03/14/2002US20020030961 Electronic device
03/14/2002US20020030574 Magnetic core having an effective magnetic bias and magnetic device using the magnetic core
03/14/2002US20020030563 Multilayered LC composite component and method for adjusting frequency of the same
03/14/2002DE10042283A1 Choke coil has coil element(s) associated with core element arms in region of gap between individual arms of opposing core elements; individual coil elements are connected together
03/14/2002DE10040811A1 Monolithisch integrierbare Induktivität Monolithically integrated inductor
03/14/2002DE10040234A1 Method for fastening electric winding on carrier e.g. for DC machines, involves inserting flexible absorbent tissue impregnated with hardening liquid in channel in bundle of laminations to enclose inner edge of winding
03/13/2002EP1187151A1 Magnetic core having an effective magnetic bias and magnetic device using the magnetic core
03/13/2002EP1187150A1 Inductance component in which a permanent magnet for applying a magnetic bias is arranged outside an excitation coil
03/13/2002CN2482239Y Cable connecting device for transformer
03/13/2002CN2482198Y Insulation clamping ring of power transformer
03/13/2002CN2482196Y Current transformer capable of avoiding fraudulent use of electricity
03/13/2002CN1339826A Single chip integrated inductance
03/13/2002CN1339804A Plug-in type resin insulation dry transformer without tapping
03/13/2002CN1339803A Inductive electric appliance coil device
03/13/2002CN1339802A Coil framework for current transformer
03/13/2002CN1339801A Method for cooling transformer by means of change in aggregation state of fluid medium
03/12/2002US6356455 Thin integral resistor/capacitor/inductor package, method of manufacture
03/12/2002US6356182 Planar EMI inductor
03/12/2002US6356180 High-voltage generating transformer
03/12/2002US6356179 Inductance device
03/07/2002WO2002019353A1 Electric device
03/07/2002WO2002019350A1 A method of manufacturing an inductor
03/07/2002WO2002018964A1 Partial discharge injector
03/07/2002WO2002018963A1 Re-locatable partial discharge transducer head
03/07/2002US20020027282 Composite monolithic electronic component
03/07/2002US20020026929 Ignition coil for use in engine and engine having plastic cylinder head cover
03/07/2002US20020026703 Method for mounting parts, and IC card and manufacturing method thereof
03/07/2002DE10043328A1 Transformer or choke design especially high power types, has successive, angled conductors arranged on or in foil winding conductor
03/07/2002DE10042013A1 Electromagnet used in actuators for operating gas exchange valves in I.C. engines comprises a magnetic coil arranged in a yoke and fixed using a casting composition made of a metal or metal alloy
03/07/2002DE10040160A1 Wire-wound coil e.g. for inductive components such as power transformers, has winding wire extending from starting point of first winding layer to end-point of first winding layer
03/07/2002DE10039707A1 Energieversorgungseinheit zur Übertragung von Hilfsenergie für eine elektrische Anordnung Power supply unit for transfer of power supply for an electrical assembly
03/06/2002EP1184977A2 Multilayered LC composite component and method for adjusting frequency of the same
03/06/2002EP1183696A1 Capacitively controlled high-voltage winding
03/06/2002CN2480960Y High-voltage conductive rod for electric power transformer
03/06/2002CN2480959Y High-voltage winding for flyback transformer
03/06/2002CN1338890A Electronic elements and manufacture thereof
03/06/2002CN1080446C Choke coil for suppressing common-mode noise and normal-mode noise
03/06/2002CN1080445C 电感元件 Inductive element
03/06/2002CN1080318C Production of grain oriented silicon steel sheet
03/05/2002US6353379 Magnetic device employing a winding structure spanning multiple boards and method of manufacture thereof
03/05/2002US6353378 Ignition coil for an internal combustion engine
03/05/2002US6352655 Vegetable oil based dielectric fluid
02/2002
02/28/2002WO2002017336A1 Method of manufacturing a substantially closed core, core, and magnetic coil
02/28/2002WO2002017335A1 Transformer for ignitor
02/28/2002WO2002016825A1 Socket and transformer for lamp, and method of manufacturing transformer for lamp
02/28/2002US20020024413 Metrhod of manufacturing a substantially closed core, core, and magnetic coil
02/28/2002US20020024402 Electric noise absorber
02/28/2002US20020024262 Winding structure of induction electric apparatus
02/28/2002US20020023769 Busbar bushing device and bar lead-in
02/28/2002DE10139164A1 Monolithic LC-unit e.g. band-pass filter, has number of electromagnetically coupled LC-resonators
02/28/2002DE10042573A1 Toroidal core, has segmental design with air-gaps formed by webs between adjacent chambers
02/28/2002CA2335668A1 Winding structure of induction electric apparatus
02/27/2002EP1181847A1 High-voltage transformer and electrodynamic particle accelerator
02/27/2002CN1337722A Automatically voltage-regulating double-voltage transformer
02/27/2002CN1337721A Transformer
02/27/2002CN1337720A Inductive assembly having permanent magnet near magnetic gap
02/26/2002US6351368 Lead-through type filter with built-in rectangular elements
02/26/2002US6351203 Wire wound inductor
02/26/2002US6351202 Stationary induction apparatus
02/26/2002CA2049505C Molded electrical apparatus
02/21/2002WO2001037323A3 Vertical transformer
02/21/2002US20020021561 Aggregate of electronic components and mounting method thereof
02/21/2002US20020021201 Choke coil
02/21/2002US20020021200 Method and apparatus for increasing the rating of a transformer
02/21/2002US20020021199 Magnetic core for a non-contact displacement sensor
02/21/2002US20020021191 Filter
02/21/2002US20020020895 Low loss high Q inductor
02/21/2002US20020020052 Methods of manufacturing inductors
02/20/2002CN2478215Y Silicon steel sheet structure of choke coil
02/20/2002CN1336674A Winding frame for transformer
02/20/2002CN1336673A Method mfg. electric inductor with surface fins