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)
04/2005
04/06/2005CN2691024Y Transformer structure
04/06/2005CN2691023Y Intelligent transformer
04/06/2005CN2691022Y Anti-theft oil discharge valve for power transformer
04/06/2005CN1604243A System and method for improving connectivity of multiple parallel connectors
04/06/2005CN1196151C Microelectronic Component carrier and method of its manufacture
04/06/2005CN1196150C 变压器电路 Transformer circuit
04/06/2005CN1196149C Sound-insulating device for induction machine
04/06/2005CN1196148C Moulded resin transformers and manufacture thereof
04/06/2005CN1196147C Laminated common-mode choke coil
04/06/2005CN1196146C Electronic component
04/05/2005US6876555 Surface-mount type switching power-supply unit and mounting method for the same
04/05/2005US6876287 Bobbin structure and transformer and inductor employing same
04/05/2005US6876286 Inductor and method of producing the same
03/2005
03/31/2005WO2005010901A3 Core type laminate inductor
03/31/2005US20050068150 Inductance part and electronic device using the same
03/31/2005US20050068149 Leakage transformer
03/31/2005US20050068147 Modular inductor for use in power electronic circuits
03/31/2005US20050068144 Inductor arrangement
03/31/2005US20050068143 Transformer, lamp base having a transformer and high-pressure discharge lamp
03/31/2005US20050068142 Method of manufacturing a long rod shaped ignition transformer integrated in an igniter unit
03/31/2005US20050068141 Method of making an electric inductor and inductor made by same
03/30/2005EP1519392A1 Inductor arrangement
03/30/2005EP1519391A2 Resin encapsulated transformer
03/30/2005CN2689423Y Positioning seat of silicon steel sheets
03/30/2005CN2689419Y Oil immersed hollow reactors with magnetic shielding
03/30/2005CN2689418Y 220 KV single-phase railway tracting transformer body structure
03/30/2005CN2689417Y Transformer casing pipes with lightning-arresting function
03/30/2005CN1601836A Mine explosion-proof Beta liquid cooling R-type winding core electric substation
03/30/2005CN1601670A 泄漏式变压器 Leak-type transformers
03/30/2005CN1601669A Inductor arrangement
03/30/2005CN1601667A Method of lowering impact induction potential of large volume autotransformer
03/30/2005CN1601666A Connection structure of voltage regulation winding lead of super-large volume autotransformer
03/30/2005CN1195304C Epoxy resin dipping fibre high voltage insulation core body
03/29/2005US6873240 Power converter
03/29/2005US6873239 Bulk laminated amorphous metal inductive device
03/29/2005US6873238 Ignition coil
03/29/2005US6873236 Fault current limiter
03/24/2005WO2005027155A1 A method of making a three-phase transformer with triangular core structure and a three-phase transformer with triangular core structure thereof
03/24/2005WO2004072994A3 Polymer sheet core and coil insulation for transformer
03/24/2005WO2004071934A3 Encapsulated solenoid assembly having an integral armor tube cable protector
03/24/2005DE19758406B4 Rauschabsorber Noise absorber
03/24/2005DE10339587A1 Transformator, Lampensockel mit einem Transformator und Hochdruckentladungslampe Transformer, lamp base with a transformer and high intensity discharge lamp
03/24/2005DE102004041545A1 Zündvorrichtung für eine Verbrennungskraftmaschine An ignition apparatus for an internal combustion engine
03/24/2005DE102004039036A1 Ignition device for a combustion engine has cylindrical seal between coil housing and screw hole having a ring projection with faces at different angles to the hole surface
03/23/2005EP1517342A2 Transformer, in particular safety transformer in flush-mounted box
03/23/2005EP1516404A2 Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface
03/23/2005CN2687808Y Filled ballast
03/23/2005CN2687807Y High voltage trans former for current converter
03/23/2005CN2687805Y Badllast iron core
03/23/2005CN2687804Y Transformer casing for jacking transformer core
03/23/2005CN1598324A Whole sealing oil pump for transformer
03/23/2005CN1194357C Soft magnetic iron core press formed from powdered iron in automobile ignition coil and its manufacturing method
03/17/2005WO2005024865A2 Inductive power transfer units having flux shields
03/17/2005WO2005024862A1 Fractional turns transformers with ferrite polymer core
03/17/2005WO2004082341A3 A sensor coil and method of manufacturing same
03/17/2005WO2004070741A3 Power measurement in a transformer coupled plasma source
03/17/2005US20050057334 Chip coil and printed circuit board for the same
03/17/2005US20050056440 Generator output line, in particular for a connection region in the generator base
03/17/2005DE4432739B4 Induktives elektrisches Bauteil Inductive electrical component
03/17/2005DE10357085B3 Air de-humidifying method for oil-insulated transformer, choke coil or stepping switch uses humidity-absorbing granules heated by electric heating device
03/17/2005DE10337197A1 Arrangement for electrical contact of electromagnetic valve, especially for automatic transmission of motor vehicle, comprises carrier element with recesses into which walls of contact housing project
03/16/2005EP1515596A2 Component holder
03/16/2005EP1515149A2 Magnetic shielding system
03/16/2005EP1514284A1 Shielded inductors
03/16/2005EP1133779B1 Transformer, especially a resin-encapsulated transformer
03/16/2005CN2686059Y Transformer using iron core magnetic flux to suppress harmonic wave
03/16/2005CN2686058Y Noval basin-shaped flat bottom lower oil tank
03/16/2005CN2686057Y Transformer with radiating device
03/16/2005CN1596452A Controlled induction device and method of manufacturing
03/16/2005CN1193386C 电力变压器/电抗器 Power transformer / reactor
03/15/2005US6867982 High frequency component and communication apparatus incorporating the same
03/15/2005US6867955 ARC discharge protection apparatus
03/15/2005US6867678 Transformer structure
03/15/2005US6867676 Transformer
03/15/2005US6867675 Electromagnet assembly for electromagnetic apparatus
03/15/2005US6867674 Transformer
03/15/2005US6867673 Socket for lamp, transformer for lamp and method of manufacturing transformer for lamp
03/15/2005US6867564 Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
03/15/2005US6867374 Ceramic insulation coated electric wire self-fusing ceramic insulation coated electric wire coating composition and coil and voices coil for speaker
03/15/2005US6867364 System for distribution of electric power
03/15/2005US6867133 Method of manufacturing chip inductor
03/10/2005WO2005022573A1 Method for monitoring insulating oil
03/10/2005US20050054152 Symmetric inducting device for an integrated circuit having a ground shield
03/10/2005US20050054151 Symmetric inducting device for an integrated circuit having a ground shield
03/10/2005US20050053226 Input-output balanced filter
03/10/2005US20050052272 Inductive component
03/10/2005US20050052271 Power converter
03/10/2005US20050052267 Ferrite core, method of manufacturing the same, and common-mode noise filter using the same
03/10/2005US20050051871 Symmetric inducting device for an integrated circuit having a ground shield
03/09/2005EP1512214A1 Current-compensated choke and circuit arrangement comprising the current-compensated choke
03/09/2005CN2684346Y Transformer for power supplier
03/09/2005CN2684344Y Choking coil capable of promoting power factor correcting effect
03/09/2005CN2684343Y Safety device for expanding core body
03/09/2005CN2684342Y Insulated packaging coil assembly
03/09/2005CN1592941A Component core with coil terminations
03/09/2005CN1591712A Low transformer mfg method and low transformer
03/09/2005CN1591711A Rotary iron cored type adjustable reactor
03/09/2005CN1590841A Transformer, socket with high pressure discharge lamp and transformer
03/09/2005CN1192401C Through-hole interconnect device with isolated wire-leads and component barriers
03/08/2005US6864777 Welding power supply transformer
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