Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2008
12/11/2008DE102007026175A1 Method for detection of aging of electrical transformer, involves calculating aging rate of electrical transformer, and determining factor, where factor is combined with aging rate
12/11/2008DE102007025689A1 Elektrischer Transformator mit einer Absturzsicherung Electrical transformer with a fall protection
12/10/2008EP1999773A1 Method for producing an electrically insulating cast body and a base for a lamp
12/10/2008EP1999766A1 The cooler for transformer using generation cycle
12/10/2008EP1999765A1 A high voltage insulation system and a method of manufacturing same
12/10/2008EP1999763A1 Magnetic flux return path with collated bands of wire
12/10/2008EP1723657B1 Magnetic device
12/10/2008EP0869518B1 Choke coil
12/10/2008CN201163571Y Balancing transformator and back light device
12/10/2008CN201163569Y Rotating angle transducer installation apparatus of transformer on-load tap-changer
12/10/2008CN201163567Y Special tool for examination and repair of on-load tapped switch of transformer
12/10/2008CN201163566Y Combination switch transformer
12/10/2008CN201163565Y Magnetic integration magnetic core
12/10/2008CN201163564Y Miniature transformer iron core/winding structure
12/10/2008CN201163563Y Non packaging type amorphous iron core
12/10/2008CN201163562Y Three-phase three-column type amorphous iron-core
12/10/2008CN201163561Y Special oil conservator for full sealed transformer
12/10/2008CN201163560Y Flange transformer oil filling casing
12/10/2008CN201162581Y Simple cooling structure
12/10/2008CN101322202A Switching transformer
12/10/2008CN101322199A Cassette coil and rotating electrical machine having the cassette coil
12/10/2008CN101320622A Universal inductor of electric ballast
12/10/2008CN101320621A Channel electric inductor assembly
12/10/2008CN101320620A Transformer and its insulation cover
12/10/2008CN101320619A Electronic component and method for manufacturing the same
12/10/2008CN101320618A Inductor integrated on chip and corresponding integration method
12/10/2008CN100442610C Electrical apparatus with cover for retractably housing an electrical cable connected thereto
12/10/2008CN100442402C Iron-base non-crystal alloy powder, magnetic powder core with excellent high frequency performance and preparation process thereof
12/10/2008CN100441889C Restraining system for a fixing means
12/09/2008US7463130 Inductance element
12/09/2008US7462317 Method of manufacturing an encapsulated package for a magnetic device
12/04/2008WO2008145419A1 Electrical transformer with falling protection
12/04/2008WO2008016977A3 Interface cord and system including an interface cord
12/04/2008US20080297297 Conductive winding structure and transformer having such conductive winding structure
12/04/2008US20080297296 Transformer and insulating cover thereof
12/04/2008US20080297295 Coil module apparatus
12/04/2008US20080297294 Package Structure for an Inductance Element
12/04/2008US20080297126 Combined type transformer and buck-boost circuit using the same
12/04/2008US20080297107 Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system
12/04/2008US20080295904 Oil filtration system for plural phase power equipment tanks
12/04/2008DE19655266B4 Elektronisches Bauelement Electronic component
12/04/2008DE102007025421A1 Ignition module for gas discharge lamp, has ignition transformer with non-closed core and coil body surrounding part of core and magnetic material is spaced from core
12/03/2008EP1998343A2 Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system
12/03/2008EP1998342A2 Coil module apparatus
12/03/2008EP1997118A1 Insulators for transformers
12/03/2008EP1997117A1 Connecting element for an electric shielding assembly
12/03/2008CN201160029Y Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers
12/03/2008CN201160028Y Transformer
12/03/2008CN201160027Y Viscose glue type amorphous iron core
12/03/2008CN201160026Y Epoxy resin type amorphous iron core
12/03/2008CN201160025Y Amorphous iron core joint structure
12/03/2008CN201160024Y Magnetic core and integrated electrical inductance
12/03/2008CN201160013Y Single-side self-agglutinating lacquered transposition wire
12/03/2008CN201159183Y Transformer type illumination fan
12/03/2008CN101315829A Conductive winding structure and transformer device using the same
12/03/2008CN101315828A Y type iron core of lapped seam
12/03/2008CN101315827A Stereo triangular open coil iron core dry-type transformer
12/03/2008CN101315826A Elliptic stereo triangular open coil iron core dry-type transformer
12/02/2008US7459999 Variable-diameter electromagnetic coil
11/2008
11/27/2008WO2008142464A1 Lifting hook assembly for hollow electric components, especially toroid transformers
11/27/2008WO2006020186A3 Method for riaa correction without capacitors
11/27/2008US20080291353 Transformer for Inverter
11/27/2008US20080290983 Core assembly, in particular for an ignition coil of an internal combustion engine
11/27/2008US20080290982 Transformer core
11/27/2008US20080290981 Fixing Apparatus for an Electrical Winding
11/27/2008US20080290979 Bobbin, coil-wound bobbin, and method of producing coil-wound bobbin
11/27/2008US20080290978 Coil connecting structure, coil connecting method, set of conductors, and electric motor
11/27/2008US20080290977 Common mode choke coil
11/27/2008US20080290976 Signal transmitter and signal transmission apparatus
11/27/2008US20080290975 Inductance Element
11/27/2008DE19912634B4 Spannungswandler in Planartechnik Voltage converter in planar
11/27/2008DE19828574B4 Verfahren zur Metallisierung von Oberflächenbereichen kleinvolumiger keramischer Formkörper A method for metallization of surface areas of low-volume ceramic molded body
11/27/2008DE102007024645A1 Vorrichtung zur elektrischen Versorgung eines landwirtschaftlichen Arbeitsfahrzeugs und/oder eines an das Arbeitsfahrzeug ankoppelbaren Anbaugeräts Apparatus for the electrical supply of an agricultural work vehicle and / or one can be coupled to the working vehicle attachment
11/27/2008CA2786816A1 Vegetable oil dielectric fluid composition
11/26/2008EP1995742A2 Transformer core
11/26/2008EP1995741A1 Inductance element
11/26/2008CN201156789Y Installation construction of cold light encapsulated transformer of television set
11/26/2008CN201156467Y Tunable reactor
11/26/2008CN201156466Y Angle bending electromagnetic induction kit
11/26/2008CN201156465Y 变压器 Transformer
11/26/2008CN201156464Y Iron core pulling board of transformer
11/26/2008CN201156463Y Wiring construction of secondary lateral of electric stove transformer
11/26/2008CN201156462Y Wire outlet construction of high-voltage transformer
11/26/2008CN201156461Y Expansion heat radiator
11/26/2008CN201156460Y Cooling cushion block of transformer coil
11/26/2008CN201156459Y Safe theft-proof and shock-proof device for electric power transformer
11/26/2008CN101312094A Combination type transformer
11/26/2008CN101312093A Energy-saving -type variable type water cooled type bushing transformer
11/26/2008CN101312092A Rotating electronic device
11/26/2008CN101312091A Triangular ground-burying transformer
11/26/2008CN101312090A Equipment for manufacturing opening coiled core of transformer
11/26/2008CN101312089A Transformer and its module
11/26/2008CN100438741C Noise filter having case and core assembled therein
11/26/2008CN100437846C DC transformer, and DC/DC converter of using the DC transformer
11/26/2008CN100437845C Offshore platform transformer
11/26/2008CN100437124C A detector circuit to be used for measuring current
11/25/2008US7456724 Electrical steel sheet for low-noise transformer and low-noise transformer
11/25/2008US7456719 Inverter transformer
11/25/2008US7456718 Wire-arranging pin and winding frame and transformer having same
11/25/2008US7456717 Electrical pin-type connector