H01F 27 - Details of transformers or inductances, in general

Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
10/2011
10/27/2011	WO2011131342A1 Inductive component with a magnetic core of a form at least partially adapted to the contour of a winding
10/27/2011	US20110260824 Transformer
10/27/2011	US20110260822 Multi-turn inductors
10/27/2011	US20110260821 Coil component
10/27/2011	US20110260820 Bobbin and transformer having such bobbin
10/27/2011	US20110260818 Slim type high voltage transformer
10/27/2011	US20110260817 Slim type high voltage transformer
10/27/2011	DE102010028157A1 Spulenkörper Bobbin
10/27/2011	DE102010018059A1 Transformator Transformer
10/27/2011	CA2797071A1 A transformer having a stacked core
10/26/2011	EP2381453A2 Arc flash hazard reduction for transformer secondaries
10/26/2011	EP2227816B1 System for isolating a medium voltage
10/26/2011	CN202019302U Autotransformer circuit and LLC (Logical Link Control) resonant power supply circuit with multiple outputs
10/26/2011	CN202018880U Miniaturized current transformer
10/26/2011	CN202018879U A handcart cabinet voltage transformer
10/26/2011	CN202018878U An installing structure of a transformer high pressure side current transformer coil
10/26/2011	CN202018877U Underwater dry transformer
10/26/2011	CN202018876U High-voltage lead connector of transformer
10/26/2011	CN202018875U Triangular transformer with built-in high-low voltage leads
10/26/2011	CN202018874U Coiling structure of power inductor
10/26/2011	CN202018873U Drawstring support plate device of resin-insulation pouring dry-type transformer
10/26/2011	CN202018872U A voltage transformer and an iron core assembly thereof
10/26/2011	CN202018871U Heat exchanger pipeline connecting structure for water-cooled reactor/transformer
10/26/2011	CN202018870U Novel high-frequency transformer
10/26/2011	CN202018869U Interface transformer arrangement structure for flexible direct current converter station
10/26/2011	CN202018868U Induced ventilation cooling system of all-indoor split transformer
10/26/2011	CN202018867U Box transformer
10/26/2011	CN202018866U Reactor holder
10/26/2011	CN202018865U Radiation-proof dry-type transformer case
10/26/2011	CN202018864U Push-pull type electronic servo transformer shell
10/26/2011	CN202018863U Low-voltage ceramic insulator holder in transformer
10/26/2011	CN1755846B High voltage discharge lamp
10/26/2011	CN102227788A Method for winding lead wire on multilayer coil electronic components
10/26/2011	CN102227786A Integrated gas discharge lamp and ignition transformer for integrated gas discharge lamp
10/26/2011	CN102227785A Barrier arrangement for cable duct
10/26/2011	CN102227784A Soft magnetic material, shaped body, compressed powder magnetic core, electromagnetic component, process for production of soft magnetic material, and process for production of compressed powder magnetic core
10/26/2011	CN102227094A Variable-frequency regulating transformer for oil production in deep well
10/26/2011	CN102226976A Current transformer
10/26/2011	CN102226975A Sulfur-hexafluoride-insulated stand alone type current transformer capable of serial-parallel transformation
10/26/2011	CN102226974A Voltage transformer capable of eliminating ferromagnetic resonance
10/26/2011	CN102226972A Two-column serial wiring structure of network-side coils for converter transformer
10/26/2011	CN102226971A Three-phase five-post rectifier transformer
10/26/2011	CN102226970A Large self-coupled dry-type transformer with multiple taps
10/26/2011	CN102226968A Special transformer for power supply
10/26/2011	CN102226967A Special electromagnetic compatibility method for Y capacitor removal
10/26/2011	CN102226966A 变压器 Transformer
10/26/2011	CN102226965A Novel fully-continuous type transformer coil
10/26/2011	CN102226964A Manufacturing method for saturable reactor and discus used for large rectifier transformer
10/26/2011	CN102226963A High-power high-frequency transformer
10/26/2011	CN102226962A Combined type magnetic core and manufacturing process thereof
10/26/2011	CN102226961A Electrically-charged oil-change device in transformer switch room and application method thereof
10/26/2011	CN102226960A On-line oil filtering device
10/26/2011	CN102226959A Transformer lifting method
10/26/2011	CN102226958A Rotary transformer fixed structure and hybrid electric vehicle
10/26/2011	CN101609741B Transformer structure and applicable rectifying circuit thereof
10/26/2011	CN101572173B Bobbin structure and transformer with same
10/26/2011	CN101488394B Manufacturing method for transformer iron core drawstring
10/26/2011	CN101409140B Transformer cooling system employing vapour cooling technology
10/26/2011	CN101213624B A high voltage insulation system and a method of manufacturing same
10/26/2011	CN101136281B High voltage transformer with a shield ring, a shield ring and a method of manufacture same
10/26/2011	CN101055799B A making method of the transformer coil and transformer
10/26/2011	CN101027733B Bulk laminated amorphous metal inductive device
10/26/2011	CA2701454A1 Apparatus and method of dehydration of transformer insulating oil by continuous fluid flow
10/25/2011	US8044757 Electronic device including LTCC inductor
10/25/2011	US8044754 Transformer for reducing electromagnetic interference and power transform circuit applied therein
10/25/2011	US8044753 Common-mode choke coil
10/25/2011	CA2597058C Embedded toroidal inductor
10/20/2011	WO2011130394A2 Improved transformer
10/20/2011	WO2011129999A1 Integral planar transformer and busbar
10/20/2011	WO2011127982A1 Common mode choke for dc transmission lines
10/20/2011	WO2011127969A1 Method and apparatus for detecting a magnetic characteristic variable in a core
10/20/2011	US20110254651 Transformer and electronic apparatus including the same
10/20/2011	US20110254647 Passive air cooling of a dry-type electrical transformer
10/20/2011	DE202011104988U1 Trafokessel mit gesickten Wellwänden Transformer tank with corrugated corrugated walls
10/20/2011	DE102010027945A1 Ignition coil, has contact spring comprising electrically non-conductive supporting element at which spark suppression unit is provided, where spark suppression unit is connected with end of secondary winding and high voltage contact
10/20/2011	DE102010015488A1 Stromwandlermodul für ein busfähiges Installationsgerät Power converter module for a bus-compatible installation device
10/20/2011	DE102010015411A1 Induktives Bauelement mit magnetischem Kern mit zumindest teilweise der Kontur einer Wicklung angepasster Form Inductive component with magnetic core having at least partially to the contour of a winding adapted form
10/20/2011	DE102010015276A1 Steuerung/Regelung der Sekundärspannung von Ortsnetztransformatoren durch den Einsatz von netzgeführten Wechselrichtern Control / regulation of the secondary voltage of distribution transformers through the use of line-commutated inverters
10/20/2011	CA2800551A1 Method and apparatus for detecting a magnetic characteristic variable in a core
10/20/2011	CA2795949A1 Improved transformer
10/19/2011	EP1949392B1 Method and device for prevention and protection of electrical transformer against explosion and fire
10/19/2011	CN202013802U Totally-enclosed oil-immersed high-voltage metering box
10/19/2011	CN202013801U Three-phase oil-immersed amorphous alloy distribution transformer
10/19/2011	CN202013800U Three-phase oil immersion type non-excitation voltage regulation distribution transformer
10/19/2011	CN202013799U Three-phase dry-type double-winding non-excitation voltage-regulating distribution transformer
10/19/2011	CN202013798U High-voltage transformer of microwave oven
10/19/2011	CN202013797U 10kV distribution/transformation high voltage insulating lead wire
10/19/2011	CN202013796U Transformer without Y capacitance
10/19/2011	CN202013795U Amorphous alloy transformer of resisting explosion relief of oil
10/19/2011	CN202013794U 电感器固定装置 Inductor fixtures
10/19/2011	CN202013793U Transformer case
10/19/2011	CN202013792U Drawer type transformer
10/19/2011	CN202013791U Efficient transformer
10/19/2011	CN202013790U Burglary-resisting rack for transformer
10/19/2011	CN202013787U Composite magnetic conductive material magnetic core and railroad locomotive signal double-channel receiving coil
10/19/2011	CN202013202U Completely-sealed electromagnetic inductive type coil part for sensor
10/19/2011	CN102224554A An induction device
10/19/2011	CN102222560A Current changer module for bus compatible installing device
10/19/2011	CN102222557A Noise active control structure of micro-wave oven transformer
10/19/2011	CN102222556A Novel anti-theft device for chains transformer

1 ... 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 ... 434