Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
06/2003
06/19/2003US20030112109 Low voltage bobbin of flyback transformers
06/19/2003US20030112108 Apparatus and method for controlling the temperature of the core of a super-conducting transformer
06/18/2003EP1320122A2 Electronic device
06/18/2003EP1320108A2 Ferrite materials, methods of preparing the same, and products formed therefrom
06/18/2003EP1319236A2 Method and apparatus for forming a magnetic component on a printed circuit board
06/18/2003EP1319234A2 Planar inductive element
06/18/2003DE20304048U1 Two part housing for an induction coil has a form to receive cores and mounts onto a housing
06/18/2003CN2556847Y Energy-saving commutating charger
06/18/2003CN2556762Y Frame of transformer
06/18/2003CN2556761Y Dry sealing structure of high-voltage electrical apparatus
06/18/2003CN1424731A Longitudinal assembled enamel flat wires and manufacture thereof
06/18/2003CN1111874C Multilayer insulated wire and transformer using same
06/17/2003US6580349 Guiding device for guiding conducting wire soldered on printed circuit board
06/17/2003US6580347 Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core
06/17/2003US6580334 Monolithically integrated transformer
06/17/2003US6579383 Powder magnetic core
06/17/2003US6578253 Transformer and inductor modules having directly bonded terminals and heat-sink fins
06/12/2003US20030107464 Solenoid coil assembly and method for winding coils
06/12/2003US20030107462 Flyback transformer and device for holding bleeder resistor in such transformer
06/12/2003DE20305401U1 Appliance for electric contacting connecting conductor of electric machine e.g. transformer
06/12/2003DE20304499U1 Laminated core of silicon steel for electrical transformers and inductances has U-shaped laminates grouped together and having arms with different lengths
06/11/2003EP1318530A1 Inductor element having a high quality factor
06/11/2003EP0919064B1 Planar winding structure and low profile magnetic component having reduced size and improved thermal properties
06/11/2003EP0830696B1 Component with a rigid and a flexible electrical termination
06/11/2003CN2555555Y 低噪声镇流器 Low noise ballast
06/11/2003CN1423384A Alternator fixing device
06/10/2003US6577220 Continuous multi-turn coils
06/10/2003US6577219 Multiple-interleaved integrated circuit transformer
06/10/2003US6577218 Electronic component and method of manufacturing same
06/10/2003US6577027 Electrical equipment winding structure providing improved cooling fluid flow
06/05/2003US20030102949 Core structure of stator transformer for rotary transformer
06/05/2003US20030102948 Method for increased coupling coefficient in a pulse type transformer through coil configuration and varied core area
06/05/2003US20030102947 Multipurpose input device
06/05/2003CA2364277A1 Method and apparatus for decreasing gassing and decay of insulating oil in transformers
06/04/2003EP0807370B1 Arrangement for attaching an electrical component to a mounting base
06/04/2003CN1110882C 电磁机器 Electromagnetic machine
06/04/2003CN1110827C Stereo three phase transformer iron core with round section
06/03/2003US6573821 System, printed circuit board, charger device, user device, and apparatus
06/03/2003US6573820 Inductor
06/03/2003US6573818 Planar magnetic frame inductors having open cores
06/03/2003US6571784 Ignition coil for use in engine and engine having plastic cylinder head cover
05/2003
05/29/2003US20030098769 Winding structure of transformer
05/29/2003US20030098768 Winding for a transformer or a coil and method for producing the winding
05/29/2003US20030098765 Fixing device of current transformer
05/28/2003EP1315184A1 Inductive component
05/28/2003EP1315183A2 Winding for a transformer or a coil
05/28/2003EP1315182A2 Winding for a tranformer or a coil
05/28/2003EP1315181A1 Transformer
05/28/2003EP1315180A1 Transformer and supply system for multisystem traction vehicles
05/28/2003EP1315179A1 Level indicator for oil filled transformers, choke coils or tap changers
05/28/2003EP1315178A1 Three dimensional winding arrangement
05/28/2003CN1420505A 变压器 Transformer
05/27/2003US6570479 Laminated transformer system and method
05/27/2003US6570478 Surface mounted low profile inductor
05/27/2003US6568054 Method of producing a multilayer electronic part
05/22/2003WO2003043034A1 Controlled induction device and method of manufacturing
05/22/2003WO2003043033A1 Inductive component and method for producing same
05/22/2003US20030096435 High Q inductor with faraday shield and dielectric well buried in substrate
05/22/2003US20030095027 Planar printed circuit-board transformers with effective electromagnetic interference (EMI) shielding
05/22/2003US20030095026 Transformer
05/22/2003US20030095024 Transformer
05/22/2003US20030095023 Transformer
05/22/2003US20030094304 Insulated conductor for high-voltage windings
05/22/2003US20030094044 level gauge for oil-filled transformers, chokes and tap changers
05/22/2003DE10229491C2 Kernspin-Tomographiegerät mit dämpfenden Schichtblechen zur Schwingungsreduktion Nuclear magnetic resonance tomography apparatus with damping layer plates for vibration reduction
05/22/2003CA2466706A1 Controlled induction device and method of manufacturing
05/21/2003EP1313114A2 Low external field inductor
05/21/2003EP1313113A2 Transformer
05/21/2003EP1313112A1 Air dehumidifier for oil insulated transformers, choke coils as well as tap changers
05/21/2003EP1313111A1 Transformer
05/21/2003EP1312098A1 Beacon system with enhanced insulation and sealing
05/21/2003EP1081723A4 Cores and coils for electrical transformers
05/21/2003CN2552230Y Insulation structure
05/21/2003CN2552229Y Insulation device
05/21/2003CN2552143Y Combined transformer with side compensating cabinet
05/21/2003CN2552139Y Aluminium twisted line core polyester insulation flat winding wire
05/21/2003CN1419699A System, printed circuit board, charger device, user device, and apparatus
05/21/2003CN1419252A Transformer shielding
05/21/2003CN1419251A Transformer and feed circuit for multi-system driving vehicle
05/21/2003CN1419250A Dry type high-voltage capacitor core and making method thereof
05/20/2003US6567249 Transformer with electrical isolation protection and power supply unit or voltage converter with a transformer of this type
05/20/2003US6566993 Surface-mount coil and method for manufacturing same
05/20/2003US6566974 Connection structure for noise reduction impedance element, noise reduction impedance element positioning method, and recording medium having noise reduction impedance element positioning program recorded therein
05/20/2003US6566731 Open pattern inductor
05/20/2003US6565382 Core mounting assembly and clamp therefor
05/20/2003CA2302623C Method for manufacturing a pencil-shaped core
05/15/2003WO2003041247A1 Motionless electromagnetic generator
05/15/2003WO2003041094A1 Inductor and a method for producing the same
05/15/2003US20030091463 Unleaded solder alloy and electronic components using it
05/15/2003US20030090357 Low external field inductor
05/15/2003US20030090356 Current transformer
05/15/2003US20030090355 Transformer core
05/15/2003US20030090268 Magnetic resonance gradient coil system containing latent heat storage material which undergoes a phase transition during operation
05/15/2003US20030089513 Radio frequency (RF) security element, coil and capacitor for an RF-security element and method for production thereof
05/15/2003US20030089238 Air demoisturizer for oil-insulated transformers, chokes and tap changers
05/15/2003US20030088967 Endless core for a multiphase transformer and a transformer incorporating same
05/15/2003CA2412083A1 Low external field inductor
05/14/2003EP1310759A1 Power equipment for use underwater
05/14/2003EP1310036A1 Energy supply unit for transmitting auxiliary energy to an electrical device
05/14/2003EP1166297B1 Device for preventing explosions in electrical transformers
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