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)
03/2000
03/29/2000CN2371652Y Bottom plate for expander
03/29/2000CN2371651Y Safety device for expander
03/29/2000CN2371650Y Expansion box capable of fast filling oil
03/29/2000CN2371649Y Anti-theft protector for transformer
03/28/2000CA2071157C Electric coil winding method
03/23/2000WO2000016350A2 High temperature superconducting transformer
03/23/2000DE19843415A1 Induktives Bauelement mit einem Stabkern Inductive component with a rod core
03/22/2000EP0986821A1 Inductive component
03/22/2000EP0865656B1 Transformer with divided primary winding used in a blocking-oscillator supply circuit
03/22/2000CN2370540Y Stabilized ballast
03/22/2000CN2370539Y Short circuit protective cover for connection terminal of power transformer
03/22/2000CN2370538Y Protective cover for distributing transformer connection line pole
03/22/2000CN2370537Y 呼吸器 Respirator
03/22/2000CN2370536Y Continuous purifying colour changing moisture absorption device
03/22/2000CN2370535Y Locking block sealed small transformer case
03/21/2000US6040753 Ultra-low-profile tube-type magnetics
03/16/2000WO2000014753A1 Transformer core
03/16/2000DE19936425A1 Electromagnet arrangement has coil in an enveloping material with electrical leads protruding out of material, elastomeric sealing element for electrical leads in aperture in material
03/16/2000DE19841134A1 Insulating housing for high voltage device has square housing with U-shaped wall section extending from top via front to bottom, outer surface at earth potential, inner surface at high voltage
03/15/2000EP0986106A1 Article comprising an inductor
03/15/2000EP0986075A2 Electric noise absorber
03/15/2000EP0986073A1 Separation type transformer core
03/15/2000EP0985218A1 Device and method for cooling a planar inductor
03/15/2000EP0919062A4 Planar transformer
03/15/2000CN2369333Y Invisual external heat radiator of transformer
03/15/2000CN2369332Y Isolating cover for transformer
03/15/2000CN2369331Y Safeguard cover for transformer
03/15/2000CN1247631A Continuous method of mfg. wire wound inductors and wire wound inductors thereby
03/14/2000US6037537 Vegetable oil based dielectric coolant
03/14/2000US6035528 Method of manufacturing electronic components
03/09/2000WO1999062105A8 A package for power converters with improved transformer operations
03/09/2000DE19839987A1 Directly cooled magnetic coil especially gradient coil for magnetic resonance equipment
03/09/2000DE19839458A1 Encapsulating electrical components in a housing with an insulating resin involves adding only a small amount of foaming agent to obtain layers of different density
03/08/2000EP0984503A2 Multilayer filter
03/08/2000EP0984463A1 Ignition coil unit for engine and engine provided with plastic head cover
03/08/2000EP0983460A1 Shield for pressure relief device
03/08/2000CN2368145Y Switchover mechanism for on-load tap-changing switch without transition load
03/08/2000CN2368144Y Magnetic shielding component structure
03/08/2000CN2368143Y Thin-layer resin insulation dry power transformer
03/08/2000CN2368142Y Magnetic differential inductive voltage regulator
03/08/2000CN2368141Y Protective cover for mutual-inductor
03/08/2000CN1246956A Winding in transformer or inductor
03/08/2000CN1050214C Inductive transformer and its producing method
03/08/2000CN1050173C Ignition coil assembly
03/07/2000US6033764 Bumped substrate assembly
03/07/2000US6033593 BALUN transformer core material, BALUN transformer core and BALUN transformer
03/02/2000WO2000011687A1 Planar transformer
03/02/2000CA2342164A1 Planar transformer
03/01/2000EP0981856A1 Device for absorbing electric noise
03/01/2000EP0830696A4 Component with a rigid and a flexible electrical termination
03/01/2000CN2366953Y 变压器 Transformer
03/01/2000CN2366952Y Full sealing type railway signal transformer having ring shaped core
03/01/2000CN1246213A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation
03/01/2000CN1246212A Device and method relating to protection of object against over-currents comprising over-current reduction
03/01/2000CN1246211A Device and method relating to protection of object against over-currents comprising over-current reduction
03/01/2000CN1246210A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation
03/01/2000CN1245962A High-voltage transformer for microwave oven
03/01/2000CN1245961A Cooling device for transformer
03/01/2000CN1050021C Multi-layered frame line trap
03/01/2000CN1050001C Current signal correction process and device
03/01/2000CN1049997C Soft magnetic iron core element and manufacturing method thereof
02/2000
02/29/2000US6031722 Earth cooled distribution transformer system and method
02/29/2000US6031445 Transformer for integrated circuits
02/29/2000US6031442 Electronic component
02/29/2000US6031341 Miniaturized transformer and inverter circuit and discharge tube glow circuit including such miniaturized transformer
02/29/2000US6030713 Casting composition comprising liquid aromatic glycidyl or beta-methylglycidyl ether or a liquid mixture of several aromatic glycidyl or beta-methylglycidyl ethers, acid hardener for the glycidyl ether, curing accelerator, filler mixture
02/23/2000EP0981141A1 High-voltage transformer
02/23/2000EP0981140A1 Immersed transformer self-protected by a device comprising a circuit breaker and fuses
02/23/2000EP0981139A1 Electrical conductor
02/23/2000EP0980857A1 A Mn-Zn ferrite
02/23/2000EP0980856A1 A Mn-Zn Ferrite
02/23/2000CN2365745Y Transformation unit for transformer
02/23/2000CN1245342A Submersible transformer using device with circuit braker and fuse for self-protecting
02/23/2000CN1245294A Method for measuring the position of tapping switch for electric power transformer
02/23/2000CN1049757C Three phase changing four phase balance transformer
02/22/2000US6028500 Audible noise suppressor for planar magnetic devices
02/22/2000US6028422 Current transformer
02/22/2000US6027008 Electronic device having electric wires and method of producing same
02/17/2000DE19854902A1 Transformer, especially cast resin transformer; has 30- 70% of metal sheets forming air gap through division of their cross-section in side part of core
02/16/2000EP0980035A1 Single-phase three-wire type transformer
02/16/2000EP0979521A2 Planar magnetic component with transverse winding pattern
02/16/2000CN2364540Y Resin insulation dry iron-core reactor
02/16/2000CN2364539Y Four-stem tuned tripler transformer
02/16/2000CN2364538Y Power supply change-over device
02/16/2000CN1244717A Winding with core tube
02/10/2000DE19830967A1 Electromagnetic coil with ferrite core
02/09/2000EP0978852A1 Multilayer type chip inductor
02/09/2000EP0978851A1 Line filter
02/09/2000CN2363365Y Ceramic sleeve dry type current transformer
02/09/2000CN2363362Y Low loss short casing electric furnace transformer
02/09/2000CN2363361Y All constant power output casing type electric furnace transformer
02/09/2000CN2363360Y Iron core for transformer
02/09/2000CN2363359Y Iron core structure for controlleable compensation type ac voltage-stabilized source transformer
02/09/2000CN2363358Y Forced oil circulation air-cooling device for transformer
02/09/2000CN2363357Y Integral sheet assembled transformer cooler with inner gullet round base pipe
02/09/2000CN1244290A Power transformer/reactor
02/09/2000CN1244289A 电力变压器/电抗器 Power transformer / reactor
02/09/2000CN1244288A Winding provided with spacers
02/09/2000CN1244287A Cable for electrical windings and such a winding
02/09/2000CN1244286A Mechanically supported winding
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