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)
11/2009
11/04/2009CN201340785Y High frequency transformer for frequency-changing microwave oven
11/04/2009CN201340784Y 变压器骨架 BOBBIN
11/04/2009CN201340783Y Measured type transformer conducting pole
11/04/2009CN201340782Y Oil-immersed type distribution transformer with 10KV and 20KV voltage conversion input
11/04/2009CN201340781Y Improved water-cooled transformer
11/04/2009CN201340780Y Automatic deaerating and oil change device
11/04/2009CN201340779Y Oil discharge device of oil-immersed transformer
11/04/2009CN201340778Y Aluminum alloy radiator for power transformer
11/04/2009CN201340777Y Self-cooled high-frequency transformer unit with temperature protection function
11/04/2009CN201340776Y Inductance structure
11/04/2009CN201340768Y Coating device of electronic element
11/03/2009US7612644 Winding structure of a transformer
11/03/2009US7612643 Winding structure of a transformer
11/03/2009US7612642 Winding structure of a transformer
11/03/2009US7612641 Simplified surface-mount devices and methods
11/03/2009US7612640 Magnetic element
11/03/2009US7610675 Method to produce a transponder
10/2009
10/29/2009WO2009131602A1 Common mode, differential mode three phase inductor
10/29/2009WO2009130139A1 Power transformer for radiofrequency signals
10/29/2009US20090267722 Grounding of magnetic cores
10/29/2009US20090267721 Coil unit and electronic apparatus using the same
10/29/2009US20090267720 Methods and apparatus for electromagnetic component
10/29/2009US20090267719 Splitter
10/29/2009US20090267718 Magnetic-field cancellation type transformer
10/29/2009US20090267466 Primary enclosure for electric power meters
10/29/2009US20090265918 System and method for automated production of rf chokes
10/29/2009DE102008019318A1 Matching transformer, has primary winding and secondary winding axially arranged next to each other on ferrite core in axial direction, and braid strip composed of bundles, where windings are separable from each other
10/29/2009DE102008017762A1 Magnetspule zur Generierung magnetischer Wechselfelder mit geringem Blindwiderstand in Planardesign, herstellbar durch Anwendung von Verfahren der Schichttechnologie sowie als Magnetfeldquelle, Strom- und Spannungswandler, Übertrager oder Transformator Magnetic coil for generating magnetic fields with low reactance in Planardesign be prepared by using methods of coating technology and as a source of magnetic field, current and voltage transformers, transformer or transformer
10/28/2009EP2112126A1 Low-loss ferrite and electronic component using the same
10/28/2009CN101568978A Laminated coil component
10/28/2009CN101567259A Automatic disc magnetic ring plastic soaking device
10/28/2009CN101567257A Automatic pin connecting machine for electrical inductance
10/28/2009CN101567256A Water-cooled current transformer
10/28/2009CN101567255A Coupling inductor applicable to multi-phase interleaved parallel converter
10/28/2009CN101567253A Annular compensating voltage regulator connected in series
10/28/2009CN101567252A Novel winding method for high-frequency transformer coils
10/28/2009CN101567251A Energy-saving underground distribution transformer with ultralow loss
10/28/2009CN101567250A Conductive structure and transformer using same
10/28/2009CN101567249A Core for reactor
10/28/2009CN101567248A Balun transformer using a drum-shaped core
10/28/2009CN101567247A Enameled aluminum wire winding inductive component and preparation method thereof
10/28/2009CN101567246A Integrally-forming compacting inductor and fabricating method thereof
10/28/2009CN100555775C Ventilation cooling system and its method of closed installation space for current conversion transformer
10/28/2009CN100555485C Transformer structure
10/28/2009CN100555484C Transformer and its manufacture method
10/28/2009CN100555483C Hybrid air/magnetic core inductor
10/28/2009CN100555482C Power inductor with reduced DC current saturation
10/27/2009US7609140 Molded body
10/22/2009WO2009129239A2 Variable width transverse flux electric induction coils
10/22/2009WO2009127970A1 Electromagnetic device
10/22/2009WO2009127934A2 Transformer housing, transformer bushing and surge arrestor
10/22/2009WO2009127539A1 Method for reducing the air feed from the atmosphere into the expansion vessel of high-voltage systems filled with insulating liquid and device for carrying out the method
10/22/2009WO2009126977A1 Electrostatic screen for an hvdct component
10/22/2009US20090261939 Common mode, differential mode three phase inductor
10/22/2009US20090261938 Conductive module and transformer having such conductive module
10/22/2009US20090261935 Inductor device
10/22/2009US20090261934 High voltage pulse type transformer with increased coupling coefficient through primary and secondary winding proximity
10/22/2009US20090261933 Vehicle Transformer
10/22/2009US20090261452 Semiconductor device including an inductor element
10/22/2009DE19915649B4 Transformatoranordnung für den Gegentakt-Verstärker einer Kurzwellen- oder Ultrakurzwellen-Senderendstufe Transformer arrangement for the push-pull amplifier of a short wave or ultra-short wave transmitter output stage
10/22/2009CA2721603A1 Method for reducing the air supply from the atmosphere into the expansion vessel of high-voltage plants filled with insulating liquid, and an apparatus for carrying out the method
10/22/2009CA2718391A1 Electrostatic shield for an hvdc transmission component
10/21/2009EP2110822A1 Method for reducing the air supply from the atmosphere into the expansion tank of high voltage facilities filled with isolating fluid and device for carrying out the method
10/21/2009EP2110821A2 Inductor Device
10/21/2009EP2109867A2 Wideband planar transformer
10/21/2009EP2109866A2 Shielded power coupling device
10/21/2009CN201332514Y Full air-cooling IGBT induction heating equipment
10/21/2009CN201332017Y Secondary coil shielded enclosure structure of reversed sulphur hexafluoride current mutual inductor
10/21/2009CN201332009Y Inductor assembly
10/21/2009CN201332008Y Amorphous alloy on-load variac
10/21/2009CN201332007Y Amorphous alloy on-load voltage regulation transformer
10/21/2009CN201332006Y Star/ angle conversion coil adopting M type tapping switch
10/21/2009CN201332005Y Combined dry-type transformer
10/21/2009CN201332004Y Oil-immersed power transformer
10/21/2009CN201332003Y Low-pressure line-outgoing copper bar of rectifier transformer
10/21/2009CN201332002Y Dual-oil duct coil of transformer
10/21/2009CN201332001Y Inductive component, power supply device and panel television
10/21/2009CN201332000Y Screening iron core of magnetic control reactor
10/21/2009CN201331999Y Transformer with built-in wind power tower barrel
10/21/2009CN201331998Y Distribution transformer with long circle-shaped iron core and coils
10/21/2009CN201331997Y Transformer heat dissipating device
10/21/2009CN201331996Y Transformer heat dissipating device
10/21/2009CN201331714Y Blower control box of PLC intelligent control transformer
10/21/2009CN201331277Y Gilled radiator for transformer
10/21/2009CN101562072A Vibration table for reducing no-load loss of transformer
10/21/2009CN101562071A Transformer
10/21/2009CN101562070A High-voltage transformer
10/21/2009CN101562069A Power-saving winding using combined ferrite iron core
10/21/2009CN100553097C Special DC constant voltage and current power supply for high-voltage speed controller
10/21/2009CN100552837C 零点变压器 Zero transformer
10/21/2009CN100552836C Method for manufacturing a transformer winding
10/20/2009US7606018 Surge absorbing circuit
10/20/2009US7605682 Magnetic core type laminated inductor
10/20/2009CA2461326C Systems and methods for driving large capacity ac motors
10/15/2009WO2009126046A1 Power transmission system
10/15/2009WO2009125639A1 Wound magnetic core and process for production thereof
10/15/2009WO2009125324A1 8-shaped inductor
10/15/2009US20090257200 Device
10/15/2009US20090256666 Inductor and a coil thereof
10/15/2009DE102008028455B3 Toroidal-core transformer or ring-like transformer, has secondary voltage segments provided with toroidal-core, and holding devices that are not directly mechanically connected with each other
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