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