H01F 27 - Details of transformers or inductances, in general

Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/2006
09/12/2006	US7106160 Coil bobbin with anti-rotational elements
09/12/2006	US7105420 Method to fabricate horizontal air columns underneath metal inductor
09/08/2006	WO2006050886A3 Heat exchanger for a transformer
09/08/2006	WO2004073039A3 Ultra broadband inductor assembly
09/07/2006	US20060197644 Flat inductor and the method for forming the same
09/07/2006	US20060197643 Bobbin module of transformer
09/07/2006	US20060197511 Transformer with protection against direct current magnetization caused by zero sequence current
09/07/2006	DE102005007334A1 Summenstromwandler zur allstromsensitiven Erfassung eines elektrischen Differenzstromes Summation current transformer for detecting an electric pole sensitive residual current
09/06/2006	EP1699060A2 Multilayer coil, winding method of same, and winding apparatus of same
09/06/2006	CN2814640Y Soft conducting wire current mutual inductor
09/06/2006	CN2814637Y Electric transformer
09/06/2006	CN2814636Y Enhanced insulation electric power transformer
09/06/2006	CN2814635Y Improved electric transformer
09/06/2006	CN2814634Y Transform roll iron core structure
09/06/2006	CN2814633Y Improved ring shape transformer iron core
09/06/2006	CN2814477Y Combined transformer winding temperature controller
09/06/2006	CN2813049Y Oil-immersed type transformer on-line automatic oil-gas separator
09/06/2006	CN1828794A Multilayer coil, winding method of same, and winding apparatus of same
09/06/2006	CN1828792A Vacuum treatment transformer oil and mutual inductor pressure immersion oil system
09/06/2006	CN1828791A Transformer and power supply apparatus
09/06/2006	CN1828790A Railway high voltage traction transformer
09/06/2006	CN1828787A Sulfur hexafluoride gas type discharge coil
09/06/2006	CN1273996C Planar inductor with segmented conductive plane
09/05/2006	US7102480 Printed circuit board integrated switch
09/05/2006	US7102479 Output choke for D.C. welder and method of using same
09/05/2006	US7102462 Surface acoustic wave device
08/2006
08/31/2006	WO2006072635A3 Device and method for winding a closed toroidal core
08/31/2006	US20060194051 Multilayer insulated wire and transformer made using the same
08/31/2006	US20060192649 Insulating element, toroidal core, toroidal core choke, and method for producing said toroidal core choke
08/31/2006	US20060192648 Transformer and power supply apparatus
08/31/2006	US20060192644 Ignition coil having an improved power transmission
08/31/2006	DE102005008521A1 Anordnung und Verfahren zum Kühlen eines Leistungshalbleiters Arrangement and method for cooling a power semiconductor
08/31/2006	DE102004015801B4 Anlage zur Herstellung von Kabeln mit speziell ausgebildetem Teleskoprohr Plant for the manufacture of cables with specially trained telescopic tube
08/31/2006	DE102004006712B4 Spulenkörper für einen elektromechanischen Aktor Coil former for an electromechanical actuator
08/30/2006	EP1696559A1 Noise filter mounting structure
08/30/2006	EP1694960A1 Ignition coil
08/30/2006	EP1475808B1 Powder magnetic core and high frequency reactor using the same
08/30/2006	CN2812249Y A high-voltage power supply energy coupling device
08/30/2006	CN2812247Y 电抗器 Reactor
08/30/2006	CN2812246Y A low-frequency transformer
08/30/2006	CN2812245Y Iron core for transformer of electric welder
08/30/2006	CN2812244Y Totally sealed capsule type oil conservator capable of being vacuumized
08/30/2006	CN2812243Y Terminal box for high-voltage current voltage transformer
08/30/2006	CN2812242Y Improved structure for winding shaft of transformer capable of preventing insulation property degradation by exciting peek voltage
08/30/2006	CN1272812C High-voltage transformer
08/29/2006	US7098767 Element for use in an inductive coupler for downhole drilling components
08/29/2006	US7098765 Ignition coil having magnetic flux reducing inner structure
08/29/2006	US7098764 Main conductor for a capacitively controlled high-voltage winding
08/29/2006	US7097447 Electric gas lighter which can be produced with any number of output terminals, and relative production method
08/24/2006	WO2006087294A1 Transformer core comprising magnetic shielding
08/24/2006	WO2006069360A3 Dehydrating breather apparatus and method
08/24/2006	US20060187688 Switching power supply apparatus
08/24/2006	US20060187574 Integral transformer junction module
08/24/2006	US20060186983 On-chip inductor with magnetic core
08/24/2006	US20060186982 Energy storage coil
08/24/2006	US20060186981 Electromagnetic device having independent inductive components
08/24/2006	US20060186980 Inductor coil
08/24/2006	US20060186979 Magnetic element and method of manufacturing magnetic element
08/24/2006	US20060186978 Magnetic element and method of manufacturing magnetic element
08/24/2006	US20060186884 Shielding for mobile MR systems
08/24/2006	DE4321390B4 Elektrisches Bauteil Electrical component
08/24/2006	DE212004000075U1 Klemmenfilter Clamp filter
08/24/2006	DE102005008302A1 Transformatorkern mit magnetischer Abschirmung Transformer core with magnetic shielding
08/24/2006	CA2597934A1 Transformer core with magnetic screening
08/23/2006	EP1693862A2 An energy storage coil
08/23/2006	EP1693861A1 Ceramic electronic parts and method for manufacturing ceramic electronic parts
08/23/2006	EP1693860A1 A multi-chamber transformer
08/23/2006	EP1693859A1 A multi-chamber transformer
08/23/2006	EP1393332A4 Trapezoidal coil for fiber optic gyroscopes
08/23/2006	CN2809824Y Winder bracket module for transformer
08/23/2006	CN2809822Y Structure of transformer with parallel dual winder brackets and dual paths
08/23/2006	CN2809821Y Cable-through type pure-ceramic sleeve for partial discharge free transformer
08/23/2006	CN2809820Y Resin insulated noncrystalline alloy dry type transformer
08/23/2006	CN2809819Y Enclosed insulation shield for 10KV power distribution and transformation
08/23/2006	CN1822259A Electric inductor
08/23/2006	CN1822258A Spray type evaporation and cooling transformer
08/23/2006	CN1822257A Nano inductor and electronic ballast using nano inductor
08/23/2006	CN1822256A Common-mode filter
08/23/2006	CN1822255A Noise filter
08/23/2006	CN1271768C Safety groove for keeping dielectric fluid in medium voltage distribution and variable transformer station, and transformer station including said groove
08/23/2006	CN1271649C Fault phase-supplementing combined transformer
08/22/2006	US7095629 Switching power supply circuit
08/22/2006	US7095308 Step-up transformer
08/22/2006	US7095306 Ignition coil having rigid mounting structure
08/17/2006	WO2006086260A1 Embedded toroidal inductor
08/17/2006	WO2006086045A2 Precision rogowski coil and method for manufacturing same
08/17/2006	WO2006085624A1 Electronic component
08/17/2006	WO2006084797A1 Switched-mode power supply unit wherein devices are supplied with power independently of the operating state of the power component
08/17/2006	WO2006084450A1 Insulation element and toroidal core throttle
08/17/2006	US20060181837 Combined transformer and prefabricated substations
08/17/2006	US20060181387 Coils for electrical machines
08/17/2006	US20060181252 Switching power supply apparatus and electronic device using the same
08/17/2006	DE202006009530U1 Low profile surface mounted device inductance for high currents has cover with U-profile stuck to magnetic core with vertical walls connected in centre by connecting bridge carrying horizontal wire winding
08/17/2006	DE202006008927U1 The component consists of component section carrier with two support elements that have a support element recess to receive joint connection of electrical component that may be arranged horizontally relative to circuit board
08/17/2006	DE10233251B4 Joch für eine elektromagnetische Kupplung Yoke for an electromagnetic clutch
08/17/2006	DE102006005243A1 Choke for power supply device has gaps present in middle shank, bar or section, in which vibration insulators or insulating bodies are arranged which press coil together in order to suppress noise
08/17/2006	DE102005006344A1 Isolierteil und Ringkerndrossel Insulation and toroidal choke
08/17/2006	CA2595490A1 Precision rogowski coil and method for manufacturing same
08/16/2006	EP1690267A1 Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switch
08/16/2006	EP1301827B1 Photolithographically-patterned out-of-plane coil structures and method of making

1 ... 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 ... 434