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)
12/1999
12/15/1999EP0964263A2 Open supercondutive magnet having shielding
12/15/1999CN2354220Y Layered winding of reactor without magnetic core
12/15/1999CN1238854A Electrode for field control
12/15/1999CN1238538A Method of producing inductor
12/15/1999CN1238537A Surface mounting type coil unit
12/14/1999US6002320 Electrical coil assembly having a plurality of coils arranged in pairs
12/14/1999US6002319 Inductance device with gap
12/14/1999US6002318 Device for dissipating heat from ferrite cores of inductive components
12/14/1999US6002211 Sintered moulding, transformer core and inductor core of Li(Ni)Zn ferrite material, as well as applications thereof
12/14/1999US6000128 Process of producing a multi-layered printed-coil substrate
12/09/1999WO1999063556A1 Safety isolating transformer
12/09/1999WO1999063555A2 Transformer
12/09/1999WO1999063554A1 Transformer bobbin
12/08/1999EP0962949A1 Transformer core and method of constructing a transformer core
12/08/1999EP0962948A2 Line filter
12/08/1999EP0962947A2 Line filter
12/08/1999EP0962946A2 Standing mounted coil for printed circuit boards
12/08/1999EP0962022A2 Planar transformer
12/08/1999CN2353024Y Leakage-proof apparatus for low voltage outlet terminals of electric oven transformer
12/08/1999CN2353023Y Staggered winding of low loss electric oven transformer
12/08/1999CN2353022Y Three phase electric power supply constant current magnetic control device
12/08/1999CA2273714A1 Expandable epoxy systems for barrier materials in high voltage liquid-filled transformers
12/07/1999US5999078 Transformer and rectifier module with half-turn secondary windings
12/07/1999US5999075 Open magnet with shielding
12/07/1999US5996214 Method of assembling a transformer
12/02/1999WO1999062105A2 A package for power converters with improved transformer operations
12/02/1999WO1999050858A8 Separation type transformer core
12/01/1999EP0961303A2 A transformer assembly
12/01/1999EP0961302A2 Electric coil, transformer, and electric motor having such coil
12/01/1999EP0961297A1 Multilayer insulated wire and transformers made by using the same
12/01/1999EP0960425A1 Current transformer
12/01/1999CN2351815Y Grounding arc suppression transformer
12/01/1999CN1047017C Transformer with magnetic material protection box also used as low-voltage winding
11/1999
11/30/1999US5994992 Choke coil
11/30/1999CA2218266C Transformer core-coil frame attachment and ground
11/27/1999CA2272832A1 Winding, transformer and electric motor containing said winding
11/25/1999WO1999060585A1 Variable inductor
11/25/1999DE19922122A1 Manufacture of electrical inductance elements
11/25/1999CA2329961A1 Variable inductor
11/24/1999EP0742950B1 Device for mounting a flexible cable in a cylindrical sleeve, and high-voltage transformer comprising same
11/24/1999CN2350848Y Transformer with vacuum current breaker
11/24/1999CN1236176A Magnetic core with continuously adjustable air gap
11/23/1999US5991178 VHV transformer/rectifier for surface mounting
11/23/1999US5990776 Low noise full integrated multilayers magnetic for power converters
11/23/1999US5990775 Static electric apparatus with shielding
11/23/1999US5990756 Ferrite bead for cable installations having one piece encasement
11/23/1999US5990213 Comprising a polyester matrix, an ethylene/alkyl(c2-c8) (meth or eth)acrylate/glycidyl (meth)acrylate, a bromopolymer and a brominaated dialkyl phthalate; potting material for transformers; low viscosity; fluid flow; impact strength
11/18/1999WO1999059170A1 Surface mounted magnetic components having sheet material windings and a power supply including such components
11/18/1999WO1999059168A1 High stack factor amorphous metal ribbon and transformer cores
11/17/1999EP0957496A2 Power and/or distribution transformer equipped with on-load tap-changer
11/17/1999EP0957349A1 Device for measuring temperature in oil-filled installations and method adapted therefor
11/17/1999EP0956571A1 Transformer with voltage regulating means
11/17/1999EP0956570A1 A winding provided with spacers
11/17/1999EP0956569A1 A cable for electrical windings, and such a winding
11/17/1999EP0956568A1 A mechanically supported winding
11/17/1999EP0956567A1 A transformer/reactor and a method for manufacturing a transformer/reactor
11/17/1999EP0956566A1 Combined axial air-cooling of a transformer
11/17/1999EP0922288A4 Charging coil core insert for electric toothbrushes
11/17/1999CN2349648Y Electric power source transformer
11/17/1999CN2349647Y Loop shape gapless metal soft magnetic iron core with approximate round cross section
11/17/1999CN1235361A Method of manufacturing the inductors
11/17/1999CN1235360A Arrangement method for transporting electric apparatus and auxiliary therefor
11/17/1999CN1235359A Current transformer for metal-enclosed gas-insulated high-voltage installation
11/16/1999US5986894 Microelectronic component carrier and method of its manufacture
11/16/1999US5986532 Ignition coil for an internal combustion engine
11/14/1999CA2271564A1 Temperature pickup for oil-filled vessels and temperature measurement method
11/11/1999WO1999057738A1 Choke and method for manufacturing the same
11/11/1999WO1999057737A1 Transformer
11/11/1999WO1999057736A1 A power current booster transformer
11/11/1999DE19813527C1 SMD-plastics body, such as bobbin, for inductive components
11/10/1999EP0954871A1 A winding in an electric machine with stationary parts
11/10/1999CN1234567A Element mounting method, IC card and producing method therefor
11/09/1999US5982645 Power conversion and distribution system
11/09/1999US5982264 High frequency sheet-type transformer
11/09/1999US5982263 Higher frequency switch mode transformer
11/09/1999US5982260 MRI magnets
11/09/1999US5980995 Method for producing an insulated metallic strip
11/04/1999DE19917861A1 Laminated LC component, especially for use as a noise filter
11/04/1999DE19819585A1 Stabspule für Zündanlagen Bar coil for ignition systems
11/04/1999DE19818825A1 Component-body, such as bobbin or coil former provided with soldered connections e.g. for coils or capacitors
11/04/1999DE19818472A1 Electric component with wound construction for LV reactive current compensation
11/03/1999EP0953995A1 Ignition coil with rod-shaped core
11/03/1999EP0953994A2 Multi-laminated inductor and manufacturing method thereof
11/03/1999EP0953993A2 Coil
11/03/1999EP0852845B1 Device for the absorption of electrical noise
11/03/1999CN2347249Y Leakage-proof patch board
11/03/1999CN2347248Y 铁芯 Core
11/03/1999CN2347247Y Flange transformer oil filling casing
11/03/1999CN1233844A Coil
11/02/1999US5978446 Arc limiting device using the skin effect in ferro-magnetic materials
11/02/1999US5978319 Thin electro-magnetic coil assembly for attachment to a slider
11/02/1999US5978231 Printed wiring board with integrated coil inductor
11/02/1999US5977857 Chip inductor
11/02/1999US5977855 Molded transformer
11/02/1999US5977854 Electromagnetic noise absorber
11/02/1999US5977853 Choke coil for eliminating common mode noise and normal mode noise
11/02/1999US5977713 High voltage noise filter and magnetron device using it
11/02/1999US5976226 Means to ensure a minimum of gas content in liquids used for heat exchange and insulating purposes with complementary means for liquid expansion into vessels with variable volumes
11/02/1999CA2163052C Low profile inductor/transformer component
10/1999
10/28/1999WO1999031683A3 Inductive component and inductive component assembly
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