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)
10/2000
10/24/2000US6137202 Insulated coil and coiled frame and method for making same
10/19/2000DE19920268C1 Inductive device e.g. choke coil or transformer, has laminations of magnetic circuit offset relative to one another in vicinity of electrical circuit for increasing magnetic circuit surface
10/19/2000DE19916982A1 Transformator, insbesondere elektronischer Transformator für Halogen-Deckeneinbaustrahler Transformer, in particular electronic transformer for halogen downlighter
10/19/2000DE19844641C1 Sum current transducer soft magnetic core manufacturing method uses plastic deformation of annular core to provide elliptical core cross-section
10/18/2000EP1045407A1 High-voltage transformer
10/18/2000EP1045405A1 Transformer, in particular electronic transformer for ceiling recessed halogen projector
10/18/2000EP1045404A1 Insulated feed-through for middle or high voltage electrical apparatus, especially for transformer
10/18/2000CN2401697Y Air cooling apparatus with silencer for transformer
10/18/2000CN1270401A Focus regulator for flyback transformer
10/18/2000CN1270400A Focus potentionmeter for flyback transformer, and connecting device thereof
10/18/2000CN1270399A Flyback transformer and its voltage dividing resistor and connecting device thereof
10/18/2000CN1270397A High voltage transformer
10/18/2000CN1270396A Common mode choke
10/17/2000US6133698 Fractionated-rectification high-voltage transformer with grouped diodes
10/12/2000WO2000060619A1 Multi-layer transformer apparatus and method
10/12/2000DE10014675A1 Housings for interference absorber has joint arrangement that connects opposite part of first housing element with opposite part of second housing element in movable manner
10/11/2000EP1043805A2 Electrical connection terminal
10/11/2000EP1043738A1 High-voltage transformer
10/11/2000EP1043735A1 A coil device and a method for connecting such a coil device
10/11/2000EP1042768A1 Planar transformer winding
10/11/2000CN2400880Y Internal and external coil spacer of transformer
10/10/2000US6131041 Wireless terminal equipment including electric component having conductor film formed on insulative base
10/10/2000US6130863 Slider and electro-magnetic coil assembly
10/10/2000US6128817 Method of manufacturing a power magnetic device mounted on a printed circuit board
10/05/2000WO2000058978A1 Low noise transformer
10/05/2000CA2367592A1 Low noise transformer
10/04/2000EP1041588A1 Low noise transformer
10/04/2000EP1041587A1 Transformer, converter or choke with pancake coils and method for making such component
10/04/2000EP1040737A2 Arrangement for implementing a magnetic circuit on a circuit board
10/04/2000EP1040549A1 High voltage winding
10/04/2000EP1040491A1 Power transformer for a switched mode power supply, especially for stud welding devices
10/04/2000EP1040490A1 Electrical coil, especially for a relay, and method for producing the same
10/04/2000CN2399814Y Anti-fraudulence low voltage metering distribution transformer
10/04/2000CN2399813Y Anti-fraudulence high voltage metering distribution transformer
10/04/2000CN2399812Y Burning-proof terminal of transformer
10/04/2000CN2399811Y Hoisting-free conductive pole
10/04/2000CN2399810Y Buoy platen type compensator for oil storage tank
10/04/2000CN2399809Y Transpiration-cooled power transformer
10/04/2000CN2399808Y Anti-theft device for transformer
10/04/2000CN1268819A Noise absorber and casing therefor
10/03/2000US6127912 Bobbin for an encapsulated coil of a solenoid assembly
10/03/2000US6127911 Transformer
10/03/2000CA1341105C Magnetic core made of fe-base soft magnetic alloy and use thereof
09/2000
09/28/2000WO2000057438A1 Device for preventing explosions in electrical transformers
09/28/2000DE19912917A1 Elektrischer Rauschabsorber und Verfahren zu seiner Montage an einem Kabel The electric noise absorber and method of mounting on a cable
09/27/2000EP1039632A2 Electric noise absorber and method of connection to a cable
09/27/2000CN2398717Y Chip element with improved forming terminal structure
09/27/2000CN2398714Y Insualting paper special for transformer
09/27/2000CN2398712Y Printed circuit board coil connecting structure of coiling set
09/26/2000US6124778 Magnetic component assembly
09/26/2000US6124772 Control unit
09/26/2000CA2222809C High voltage isolating transformer module
09/21/2000WO2000055873A1 Inductor coil structure and method for making same
09/21/2000WO2000055872A1 Improved electrical bushings with resin casting
09/21/2000DE19912634A1 Voltage converter in planar technology has gap in shielding surfaces neighboring to each other and defining primary and secondary coil
09/21/2000DE19911581A1 Cooling system e.g. for liquid insulated and cooled transformers, has water used as intermediary or secondary cooling medium
09/21/2000DE19911579A1 Keeping insulating system of hermetic transformers dry uses a hygroscopic non-iogenic polymeric material that is in constant contact with the insulating liquid
09/20/2000EP1037387A2 Stabilized gate driver
09/20/2000EP1037330A2 Impedance tuning in electrical switching connector
09/20/2000EP1037221A2 Coil device and switching power supply apparatus using the same
09/20/2000EP1037220A2 Transformer and method of cooling a transformer
09/20/2000EP1036394A2 Transformer/reactor provided with spacing means
09/20/2000CN2397662Y Winding assembly connector with printed circuit board
09/20/2000CN2397580Y Capacitance voltage mutual inductor dry electromagnetic device
09/20/2000CN2397579Y Theft-proof metering box for transformer
09/20/2000CN1267391A Diode-split high-voltage transformer
09/20/2000CN1267067A Common-mode choke
09/20/2000CN1267066A Coil and surface mounted type coil element
09/19/2000US6121867 Electrical coil assembly having a plurality of coils arranged in pairs
09/19/2000US6121866 Surface-mount air-core coil, electronic component having the same, and communication apparatus having the same
09/19/2000US6121865 Solenoid assembly having a sealing device for the electrical leads
09/19/2000US6121765 Isolated electrical power supply
09/19/2000US6120916 Wafers of a polycrystalline magenetic ceramic of a zinc-iron oxide with manganese or nickel form strata separated by dielectric binder; wafers are square or torroids and oriented so that their main faces are parallel to each other
09/19/2000US6120617 Method for manufacturing a magnetic pulse generator
09/14/2000WO2000054287A1 Impregnating potting compounds, their use and a method for impregnating ignition coils
09/14/2000DE19912280C1 Transformator und Verfahren zur Kühlung eines Transformators Transformer and Method for cooling a transformer
09/14/2000DE19910711A1 Imprägniervergußmassen, ihre Verwendung sowie ein Verfahren zur Imprägnierung von Zündspulen Imprägniervergußmassen, their use and a process for impregnation of coils
09/13/2000EP1034608A1 Insulated electrical conductor and contacting method
09/13/2000EP1034607A1 Insulated conductor for high-voltage machine windings
09/13/2000EP1034606A1 Traction motor and drive system
09/13/2000EP1034605A1 An insulated conductor
09/13/2000EP1034548A2 Flux control for high power static electromagnetic devices
09/13/2000EP1034547A2 Switch gear station
09/13/2000EP1034546A1 Electromagnetic device
09/13/2000EP1034545A1 Transformer
09/13/2000EP1034544A1 Electrical power devices cooling technique
09/13/2000CN2396489Y 变压器 Transformer
09/13/2000CN2396488Y Sealing protector for outlet terminal of oil-immersed type transformer
09/13/2000CN2396487Y 3-D full-sealed transformer oil tank
09/13/2000CN1266270A Mutual inductor or transformer
09/12/2000US6118365 Pulse transformer for a u-interface operating according to the echo compensation principle, and method for the manufacture of a toroidal tape core contained in a U-interface pulse transformer
09/12/2000US6118364 Chip inductor
09/12/2000US6118362 Integrated inductive assembly
09/12/2000US6118361 Molded coil a method and a mold for producing the same
09/07/2000DE10001633A1 Coil bobbin for AC adaptor, has attachment hole into which lead of electronic component is insertable and formed on each substrate attachment groove at lower portion of flange
09/06/2000CN2395372Y High voltage insulation protective sleeve
09/06/2000CN2395371Y Iron core of transformer
09/05/2000US6115264 Multilayer high frequency electronic parts
09/05/2000US6114940 BALUN transformer core material, BALUN transformer core and BALUN transformer
09/05/2000US6114939 Planar stacked layer inductors and transformers
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