Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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12/16/2009 | EP2133888A1 Test assembly for AC testing of electric high voltage components |
12/16/2009 | EP2132755A2 Temperature monitoring system for power transformers submerged in oil |
12/16/2009 | EP1417691B1 Planar inductive component and a planar transformer |
12/16/2009 | CN201365188Y Totally sealed water-cooling type rectifying power supply device for processing metal surface |
12/16/2009 | CN201365061Y Water-cooled microwave generating device |
12/16/2009 | CN201364812Y Current transformer with capacitance differential pressure |
12/16/2009 | CN201364807Y Gas-insulated instrument transformer |
12/16/2009 | CN201364806Y Hard-board barrel supporting structure of transformer coil |
12/16/2009 | CN201364805Y Gas-insulated instrument transformer |
12/16/2009 | CN201364804Y Inducer and core portion thereof |
12/16/2009 | CN201364803Y Tapping board of flame-proof transformer |
12/16/2009 | CN201364802Y Novel flameproof dry type transformer low-voltage connection group flange box |
12/16/2009 | CN201364801Y Flux cancellation reactor |
12/16/2009 | CN201364800Y Switching reactor |
12/16/2009 | CN201364799Y Wound-type reactor |
12/16/2009 | CN201364798Y 10KV/20KV interconverting transformer winding structure |
12/16/2009 | CN201364797Y Protection device for coil airway |
12/16/2009 | CN201364796Y Novel three-phase inductance iron core |
12/16/2009 | CN201364795Y Transformer iron core with laminated sheet type three-phase spatial structure |
12/16/2009 | CN201364794Y Amorphous alloy iron core transformer |
12/16/2009 | CN201364793Y Novel HID ballast punching sheet structure |
12/16/2009 | CN201364792Y Vibration absorptive structure of amorphous alloy iron core power transformer |
12/16/2009 | CN201364791Y Aluminum-foil-type reactor |
12/16/2009 | CN201362598Y Serial-connected control loop of polysilicon reduction power supply silicon rod |
12/16/2009 | CN101606209A Transformer |
12/16/2009 | CN101604572A Method for connecting winding conducting wire and leader cable of dry type transformer or electric reactor |
12/16/2009 | CN101604571A Totally-closed transformer oil treatment system |
12/16/2009 | CN100570972C Road equipped type transformer device |
12/16/2009 | CN100570769C Method for machining static board with narrow breadth and big thickness and products thereof |
12/16/2009 | CN100570768C Transformer structure |
12/16/2009 | CN100570767C Controlled reactor with compensation winding |
12/16/2009 | CN100570766C External electric supply controllable reactor |
12/16/2009 | CN100570765C Self-feeding controllable transductor |
12/16/2009 | CN100570764C Transformer apparatus, method for manufacturing the same, and high-frequency heating device having the same |
12/16/2009 | CN100570763C 35kv 3-phase dry type hollow current-limiting reactor |
12/16/2009 | CN100569886C Binder for electric insulating ceramic jacket and binding method of ceramic jacket |
12/15/2009 | US7633369 Extended E matrix integrated magnetics (MIM) core |
12/15/2009 | US7633367 Structure of transformer |
12/15/2009 | US7633366 Wire-wound coil |
12/10/2009 | WO2009148207A1 Magnetic core for electric current sensors |
12/10/2009 | WO2009148072A1 Chip inductor and manufacturing method thereof |
12/10/2009 | WO2009147577A1 Transformer for a computer tomography gantry for transfering contactlessly electrical energy |
12/10/2009 | WO2009147299A1 Emc protection for a distribution transformer |
12/10/2009 | WO2009146762A1 Power transformer having a stepping switch |
12/10/2009 | WO2009146569A1 High-voltage measuring transducer with flexible insulation |
12/10/2009 | WO2009127934A3 Transformer housing, transformer bushing and surge arrestor |
12/10/2009 | US20090303749 Pick-Up Apparatus for Inductive Power Transfer Systems |
12/10/2009 | US20090303652 Method and apparatus for reducing differential mode and common mode reflections in motor drives |
12/10/2009 | US20090302988 Winding Component |
12/10/2009 | US20090302987 Transformation device |
12/10/2009 | US20090302986 Minimal-length windings for reduction of copper power losses in magnetic elements |
12/10/2009 | DE102008002184A1 Vorrichtung zur Umformung elektrischer Energie zur konduktiven Erhitzung von Halbleitermaterial in Stabform Apparatus for converting electrical energy for conductive heating of semiconductor material in rod form |
12/10/2009 | CA2726873A1 Power transformer having a stepping switch |
12/09/2009 | EP2131372A1 Selective etching process for cutting amorphous metal shapes and components made thereof |
12/09/2009 | CN201360226Y Adjustable DC power supply with low voltage and high current |
12/09/2009 | CN201359921Y Inside mutual inductor of circuit breaker |
12/09/2009 | CN201359920Y Grounding transformer with adjustable zero-sequence impedance |
12/09/2009 | CN201359919Y Plane winding device |
12/09/2009 | CN201359911Y Voltage and capacitance regulating transformer with two switches |
12/09/2009 | CN201359910Y Rotating-core voltage regulator contact group |
12/09/2009 | CN201359909Y Protective transformer |
12/09/2009 | CN201359908Y Cushion block structure laid by fiber optic temperature measuring probe |
12/09/2009 | CN201359907Y Novel presser foot-free installation zero partial discharge transformer bushing |
12/09/2009 | CN201359906Y Resonance oscillation reactor |
12/09/2009 | CN201359905Y Easy-assembled transformer coil frame |
12/09/2009 | CN201359904Y Transformer |
12/09/2009 | CN201359903Y Liquid magnetic filled high-frequency transformer |
12/09/2009 | CN201359902Y Three-phase iron core reactor without electromagnetic vibration |
12/09/2009 | CN101599646A Magnetic filter and butting method of yoke and column iron of same |
12/09/2009 | CN101599360A Method for manufacturing embedded transformer framework mounted with low-voltage coil and product |
12/09/2009 | CN101599358A Processing method for silicon steel ribbon iron core of direct current electric transmission and transformation radio-frequency reactor |
12/09/2009 | CN101599357A Device and method for automatically gluing and stacking magnetic sheets |
12/09/2009 | CN101599354A Transformer |
12/09/2009 | CN101599353A Integrated filter inductance transformer |
12/09/2009 | CN101599352A Waterproof treatment method for dry type transformer winding or reactor winding |
12/09/2009 | CN101599351A Dual-pressure transformer |
12/09/2009 | CN101599350A Novel high-frequency transformer skeleton |
12/09/2009 | CN101599349A Silver paste of inner electrode for chip inductor and preparation method thereof |
12/09/2009 | CN101599348A Series-parallel connection device for dual-winding double-splitting three-phase transformer |
12/09/2009 | CN101599347A Coil plates and production method thereof as well as method for producing multi-layer planar transformer |
12/09/2009 | CN101599346A Low-loss high-impedance electric power transformer |
12/09/2009 | CN101599345A Dry-type hollow current-limiting capacity regulating reactor |
12/09/2009 | CN101599344A Dry-type hollow parallel capacity regulating reactor |
12/09/2009 | CN101599343A Dry-type hollow series capacity regulating reactor |
12/09/2009 | CN101599342A Dry-type hollow electric railway series capacity regulating reactor |
12/09/2009 | CN101599341A Conductive winding, manufacture method thereof and magnetic element applying same |
12/09/2009 | CN101599326A High voltage bushing, high voltage device comprising such bushing and method for cooling |
12/09/2009 | CN101598639A Electrification oil sample acquisition device for oil-immersed sleeve pipe of transformer |
12/09/2009 | CN100568416C Coil-embedded dust core |
12/09/2009 | CN100568415C Dry type transformer high and low voltage foil type coil integral assembling method |
12/09/2009 | CN100568414C High-voltage transformer |
12/09/2009 | CN100568413C Inductance component, manufacturing method thereof, multi-layer magnetic layer and manufacturing method thereof |
12/09/2009 | CN100568412C Technique and apparatus for oiling silicon oil transformer |
12/09/2009 | CN100568411C Multi-function combined ripple expansion oil storage cabinet |
12/09/2009 | CN100566953C Transmission of power supply for robot applications between a first member and a second member arranged rotatable relative to one another |
12/08/2009 | US7629870 Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy |
12/08/2009 | US7629869 Ignition coil |
12/03/2009 | WO2009144759A1 Optimized shielded transformer, in particular for carrying out dielectric tests |
12/03/2009 | WO2009143643A1 Water-cooled reactor |
12/03/2009 | US20090295531 Optimized litz wire |