Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
05/2010
05/11/2010US7714686 Frequency converter with fan cooling
05/11/2010US7714537 Contact-less power transfer
05/06/2010WO2010051098A1 Induction coil without a weld
05/06/2010WO2010050057A1 Oil-immersed electric device
05/06/2010US20100109832 Method and apparatus for adjusting displacement current in an energy transfer element
05/06/2010US20100109831 Induction coil without a weld
05/06/2010US20100109830 Transformer
05/06/2010US20100109828 Transformer
05/06/2010US20100109827 Surface mount pulse transformer and method and apparatus for manufacturing the same
05/06/2010US20100109826 Inductor
05/06/2010US20100109648 Current sensing inductor and a circuit thereof
05/06/2010US20100109569 Transformer with adjustable leakage inductance and driving device using the same
05/06/2010US20100109431 Device And Method For Eliminating Transformer Excitation Losses
05/06/2010DE102008055882A1 Haltevorrichtung für eine Gießharztransformatoren-Wicklung Holding device for a resin transformers winding
05/06/2010DE102008055879A1 Insulating liquid stability maintaining device for transformer, has gas areas supplied with external air over siphon, where entire volume of gas areas is less than temperature-dependent, volume change of insulating liquid in transformer
05/06/2010DE102008053412A1 Inductive element e.g. transformer, for use in measuring circuit, has measuring coil arranged around core such that magnetic effects of magnetic field around core and on sections of measuring coil are compensated
05/05/2010CN201450258U 35kv wind power-used combined-type box transformer substation structure
05/05/2010CN201449894U Iron core clamp for winding machine of transformer with three dimensional wound iron core
05/05/2010CN201449884U High-voltage current transformer
05/05/2010CN201449883U Sleeved current transformer
05/05/2010CN201449882U Anti-electricity-stealing combined type low-voltage current transformer
05/05/2010CN201449881U Three-phase common-body zero-sequence current transformer
05/05/2010CN201449880U Single-phase current transformer
05/05/2010CN201449879U gas-insulated voltage transformer
05/05/2010CN201449878U Voltage transformer with elbow head
05/05/2010CN201449877U Gas-insulated type voltage transformer
05/05/2010CN201449876U single-phase voltage transformer
05/05/2010CN201449875U Three-phase ground-type potential transformer
05/05/2010CN201449874U Single-phase voltage transformer
05/05/2010CN201449871U Electromagnetic type potential transformer with open type iron core
05/05/2010CN201449870U Inner bushing pipe of mutual inductor
05/05/2010CN201449867U Practical low-thickness multi-magnetic circuit LLC power transformer
05/05/2010CN201449866U 36-pulse-wave high-power frequency conversion rectifying transformer
05/05/2010CN201449865U New layout structure of high-voltage electrical elements in 35kv wind power combined-type transformer
05/05/2010CN201449864U 500kv transformer magnetic shunt structure
05/05/2010CN201449863U Anti-lightning impact dry type transformer coil
05/05/2010CN201449862U Transformer with heat-shrinkable Dacron pipe/belt
05/05/2010CN201449861U Primary coil of mutual inductor
05/05/2010CN201449860U Transformer, winding bracket thereof, and backlight module employing same
05/05/2010CN201449859U Link fitting for distribution transformer terminal posts
05/05/2010CN201449858U Outdoor type transformer pile head
05/05/2010CN201449857U Gas-insulated transformer
05/05/2010CN201449856U Main transformer of alternating current drive electrical locomotive
05/05/2010CN201449855U Low voltage side miniature coil framework for transformer
05/05/2010CN201449854U Transformer with axial dual-oil-duct spiral windings
05/05/2010CN201449853U Back side voltage-regulating anti-creep high-voltage coil
05/05/2010CN201449852U Double-pulse wave combined transformer
05/05/2010CN201449851U Tinsel cord mixed-winding coil grounding transformer
05/05/2010CN201449850U Split casting coil
05/05/2010CN201449849U Novel iron yoke binding structure of high-voltage transformer
05/05/2010CN201449848U Stepping and superposing type full tapered joint iron core
05/05/2010CN201449847U 组合式变压器 Combined Transformer
05/05/2010CN201449846U Iron core air passage of dry type transformer
05/05/2010CN201449845U New oil circulation structure of 500Kv self-cooled transformer
05/05/2010CN201449844U Respirators for power transformer with voltage of 220kv or below
05/05/2010CN201449843U Three-phase transformer
05/05/2010CN201449842U Simply-installed type metal expander
05/05/2010CN201449841U Small-capacity dry-type transformer footing structure
05/05/2010CN201449840U Secondary terminal box of high voltage transformer
05/05/2010CN201449839U Case cover molding device
05/05/2010CN201449838U Transformer sleeve
05/05/2010CN201449837U Novel high-voltage transformer body strut fixing structure
05/05/2010CN201449836U Temperature controlled support structure of dry type transformer
05/05/2010CN201449835U Chip-type anti-electromagnetic interference high frequency inductance element
05/05/2010CN201449834U Small-sized paster installing anti-electromagnetic interference coil
05/05/2010CN1914698B Coil and bobbin for coil
05/05/2010CN1697099B Inductive devices and methods
05/05/2010CN1692456B Circuit using choke coil and choke coil
05/05/2010CN101702511A Intelligent oil-immersed transformer
05/05/2010CN101702367A Transductor used for direct-current current transformation valve
05/05/2010CN101702366A Leader joint of leader cable of transformer
05/05/2010CN101702365A Copper transition connecting line clamp for copper and aluminum explosion composite bolt type transformer and explosive welding method thereof
05/05/2010CN101702364A Manufacture method of dual-conductor coil transformer
05/05/2010CN101702363A Self-adhesion heat resistant enamel covering semihard transposition wire for traction transformer
05/05/2010CN101702362A self-cooled circulating transformer radiator
05/05/2010CN101065812B High voltage generating unit and system including the same
05/04/2010US7710235 Inductors fabricated from spiral nanocoils and fabricated using noncoil spiral pitch control techniques
05/04/2010US7710232 Microelectromechanical tunable inductor
05/04/2010US7710231 Ignition coil
05/04/2010US7710230 Transformer of light tube driving device and method for adjusting light tube using thereof
05/04/2010US7710229 Ignition coil and ignition coil system having the same
05/04/2010US7710228 Electrical inductor assembly
05/04/2010US7710085 Energy transfer element and converter including the same
05/03/2010CA2682563A1 A jacketed axial magnetic bearing
04/2010
04/29/2010WO2010047261A1 Multilayer insulated wire and transformer using same
04/29/2010WO2010046955A1 Electronic component and method for manufacturing electronic component
04/29/2010WO2010045959A1 Apparatus and method for reactive power compensation of a test transformer
04/29/2010US20100103585 Inductive and capacitive components integration structure
04/29/2010US20100102916 Shared reactor transformer
04/29/2010US20100102915 Electrical connector system
04/29/2010US20100102914 Transformer with separated bobbin
04/29/2010US20100102913 Aligned multilayer wound coil
04/29/2010US20100102912 Inductor
04/29/2010US20100102416 Integrated Circuit Packages Incorporating an Inductor and Methods
04/29/2010DE102009050523A1 Induktionsspule Induction coil
04/29/2010DE102008036736B4 Elektrisches Installationsschaltgerät mit einer elektronischen Baugruppe Electrical service switching device with an electronic module,
04/28/2010CN201444578U Lightning-protection device for transformer
04/28/2010CN201444547U Standard power distribution platform type transformer station
04/28/2010CN201444443U Transformer capable of controlling part of voltage
04/28/2010CN201444442U Resin casting dry type transformer with rectangular iron cores