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)
09/2005
09/07/2005CN2724163Y Automatic volume regulating transformer special for oil pumping unit
09/07/2005CN2724162Y Fire-proof ballast
09/07/2005CN2724161Y Air gap transformer using liquid crystal back light source driver
09/07/2005CN2724160Y Group assembled anti-stealing electricity protective box
09/07/2005CN1666397A Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface
09/07/2005CN1666303A High thermal conductivity insulating member and its manufacturing method, electromagnetic coil, and electromagnetic device
09/07/2005CN1665112A Autocompensation and harmonic wave shielding converter transformer
09/07/2005CN1664967A Static transformer device
09/07/2005CN1218332C High-frequency power transformer with primary and secondary winding all cross structure and its making method
09/06/2005US6940388 Dust core
09/06/2005US6940387 Coil-embedded dust core and method for manufacturing the same
09/06/2005US6940384 Packaging techniques for a high-density power converter
09/06/2005US6940382 Resin composition and ignition coil device using the same
09/06/2005US6940381 Mn-Zn based ferrite, magnetic core for transformer and transformer
09/06/2005US6940380 Transformer/reactor
09/06/2005US6940366 Coil filter and method for manufacturing the same
09/06/2005US6940016 Electrical rough-in box for low voltage transformer
09/06/2005US6938327 Kneading powder of a magnetic material and a binder; burying coated conducting wires into a semimanufactured product; dividing into pieces, exposing both end portions of each of metallic conducting wires; sintering; connecting an electrode
09/01/2005WO2005081609A1 Electromagnetic wave noise suppressor, structural body with electromagnetic wave noise suppressing function, and process for producing them
09/01/2005WO2005081272A1 Lc composite component
09/01/2005WO2005008692B1 Form-less electronic device and methods of manufacturing
09/01/2005US20050190519 Vehicle electrical protection device and system employing same
09/01/2005US20050190034 Coil former for an electromechanical actuator
09/01/2005US20050190033 Solenoid
09/01/2005US20050190032 Compact current transformer casing for gas-insulated switchgear assemblies
09/01/2005US20050189910 Planar inductive battery charger
09/01/2005US20050189834 Rotating machines, insulation coils, and epoxy resin composition for rotating machines and insulation coils
08/2005
08/31/2005EP1569311A1 Compact current transformer housing for gas insulated switches
08/31/2005EP1569250A2 Current transformer and assembly with electrical device
08/31/2005EP1569248A2 Magnetic coil
08/31/2005CN2722405Y Three-phase dry transformer
08/31/2005CN2722401Y Voltage regulating and rectifying transformer with relay protector
08/31/2005CN2722400Y Distillation cooling transformer of electric locomotive
08/31/2005CN2722399Y Mutual inductor against charge evasion
08/31/2005CN2722257Y Assembled multifunctional arrangement variable kilowatt metering box against charge evasion
08/31/2005CN1661873A Compact current transformer casing for gas-insulated switchgear assemblies
08/31/2005CN1661739A No filtering capacitor type feedback transformer in use for display of visual display tube
08/31/2005CN1661737A Coil component and method of manufacturing the same
08/31/2005CN1661736A Sensing element and its mfg. method
08/31/2005CN1217458C Alternator fixing device
08/31/2005CN1217364C Approach sensor for improving positioning accuracy for periphery components of checking coils
08/31/2005CN1217356C Apparatus and method for cooling power transformers
08/31/2005CN1217355C Coil and coil system to be integrated in microelectronic circuit, and microelectronic circuit
08/31/2005CN1217351C Powder pressed iron core
08/31/2005CN1217345C Silicon rubber heat resistant wire for heating coil
08/30/2005US6937454 Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface
08/30/2005US6937129 Transformer
08/30/2005US6936947 Turbo generator plant with a high voltage electric generator
08/25/2005WO2005078908A1 Electric oscillatory machine
08/25/2005WO2005078750A1 Thermally optimized torus inductor, used in triple-root circuit configuration for plasma drivers and ballasts
08/25/2005WO2005078274A1 Induction coil
08/25/2005WO2005030528A3 Solenoid coil having interior terminals and method for fixing
08/25/2005US20050184848 Coil component and method of manufacturing the same
08/25/2005US20050184847 Ignition coil for a combustion engine
08/25/2005US20050184846 Ignition coil
08/25/2005US20050184845 Stick-shaped ignition coil having positioning structure
08/25/2005US20050184829 LC composite component
08/25/2005DE19915866B4 Kleintransformator mit Abdeckung Small transformer with cover
08/25/2005DE10213593B4 Hochspannungspulstransformator High voltage pulse transformer
08/25/2005DE102005003002A1 Magnetic annular core e.g. for manufacture of reactance coils and chokes, has two coaxially arranged rings made of magnetizable material, separated from one another by insulating disc of non-magnetizable material
08/25/2005DE102004006705A1 Stabzündspule Pencil ignition coil
08/25/2005DE102004004814A1 Verfahren zur Kühlung elektrischer Spulen und Shimeisen A method for cooling electrical coils and shim plates
08/25/2005DE102004003223B3 Zündspule für eine Brennkraftmaschine Ignition coil for an internal combustion engine
08/25/2005DE102004003216B3 Zündspule für eine Brennkraftmaschine Ignition coil for an internal combustion engine
08/24/2005EP1566883A2 LC oscillator
08/24/2005EP1566874A2 Transformer protection relay
08/24/2005EP1566819A2 Rod ignition coil
08/24/2005EP1565920A1 Bulk amorphous metal inductive device
08/24/2005EP1290654B1 Radio frequency (rf) fuse element, coil and condensor for an rf-fuse element and method for production thereof
08/24/2005CN2720590Y Ballast for high-voltage sodium lamp
08/24/2005CN2720589Y Magnetic shielding structure of inductor with magnetic core
08/24/2005CN2720588Y Anti-resonance-oscillation high-voltage inductor iron core
08/24/2005CN2720587Y Iron-core compacting structure of reactor with magnetic core
08/24/2005CN2720586Y Implement-body oil-way structure of forcing oil circulation
08/24/2005CN2720585Y Novel electric-power transformer box lid
08/24/2005CN1659770A Current-compensated choke and circuit arrangement comprising the current-compensated choke
08/24/2005CN1658464A Protection method of multiplexer network interface and communication equipment with multiplexer network interface
08/24/2005CN1216387C Transformer
08/23/2005US6933828 Devices and methods for protecting windings around a sharp edged core
08/23/2005US6933826 Method of manufacturing discrete electronic components
08/23/2005US6933824 Polymer sheet core and coil insulation for transformers
08/23/2005US6933823 Method of installing transformer winding coils and the transformer structure formed using such method
08/23/2005US6933821 Leakage transformer
08/23/2005US6931713 Multilayer composite of hysteresis and dielectric layers; stability; concurrent firing
08/23/2005CA2211067C Transformer leak alarm
08/18/2005WO2005076469A1 Clamp filter
08/18/2005WO2005076449A1 Switching power supply apparatus and electronic device using the same
08/18/2005WO2005076294A1 An automated manufacturing machine
08/18/2005WO2005076293A1 Power supply control methods and devices
08/18/2005WO2005043561A3 Cryogenic compressor enclosure device and method
08/18/2005WO2005034152A3 System and method for connecting a removable coil to fixed coil terminals
08/18/2005US20050181684 Electronic component
08/18/2005US20050180078 Solenoid protection method and apparatus
08/18/2005US20050179515 only needs one repeated winding to achieve the required insulation thickness and surface distance; shorter process means lower cost; Due to restraint by the width of the winding roll, the folding flaps at both sides of the insulation film stand up and overlap after repeated winding
08/18/2005US20050179513 Liquid-cooled choke
08/18/2005US20050179512 Mri system with liquid cooled rf space
08/18/2005DE202005008506U1 Electrical winding comprises a metallic winding conductor composed of a conductor surrounded by an electrically insulating material
08/18/2005DE102004055994A1 Actuator for high-speed switching routines in valves has a coil system and an armature set up to be adjusted by a magnetic field
08/18/2005CA2555303A1 An automated manufacturing machine
08/17/2005EP1564763A2 Rod ignition coil
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