Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 30 - Fixed transformers not covered by group
Patents for H01F 30 - Fixed transformers not covered by group (4,595)
11/2012
11/14/2012CN202534490U Novel temperature control annular transformer
11/14/2012CN202534489U Single-phase electric furnace transformer structure
11/14/2012CN202534488U Transformer with remote operation device
11/14/2012CN202534487U Transformer structure used in switching power supply
11/14/2012CN102782782A Static apparatus
11/14/2012CN102782780A Transformer
11/14/2012CN102779635A 10G Ethernet transformer and manufacturing method thereof
11/14/2012CN102779634A Fully-grounded lightning-proof, water-proof and dust-proof transformer
11/13/2012US8310202 Off-resonance frequency operation for power transfer in a loosely coupled air core transformer
11/07/2012CN202523544U Annular signal transformer
11/07/2012CN202523543U Transformer with function of monitoring oil level of vacuum oiling
11/07/2012CN102007554B Transformer and transformer assembly method
10/2012
10/31/2012CN202513018U Quaternary fission phase shift rectifier transformer
10/31/2012CN202513017U Mini-type auxiliary transformer
10/31/2012CN202513016U High-power panel transformer
10/31/2012CN202513015U Planar transformer
10/31/2012CN1661737B Coil component and method of manufacturing the same
10/31/2012CN102760564A Drive transformer for MOS (metal oxide semiconductor) transistor of power converter
10/31/2012CN102760563A Integrierter transformator
10/24/2012EP2513924A1 Transformer
10/24/2012CN202502885U Nanocrystalline annular high-frequency transformer
10/24/2012CN202502884U Three-phase child-mother integrated transformer
10/24/2012CN202502883U Novel three-phase transformer
10/24/2012CN202502882U Novel single-phase transformer
10/24/2012CN202502881U Double-face secondary side lamination transformer
10/24/2012CN102751886A Phase shift balancing device of 18-pulse rectifier
10/24/2012CN102751079A Combined transformer for wind power generation
10/24/2012CN102751071A Insulation element and toroidal core throttle
10/11/2012WO2012136302A1 Fluid insulated high voltage coil
10/10/2012EP2509082A1 Fluid insulated high voltage coil
10/10/2012CN202488014U Combined transformer for compact wind power generation
10/10/2012CN202488013U External combined-type transformer for wind power generation
10/10/2012CN202488012U Combined transformer for photovoltaic power generation
10/10/2012CN202487386U Oil-immersed transformer with self-protection function
10/10/2012CN102113071B Multi-toroid transformer
10/04/2012WO2012132179A1 Variable inductor and semiconductor device using same
10/04/2012WO2012129980A1 Three-phase 48-pulse rectifier transformer
10/03/2012CN202473577U Primary pole shared and secondary pole parallel type power expansion and electricity saving device
10/03/2012CN202473576U 1-9W amorphous three-phase electronic transformer
10/03/2012CN202473575U 9-20W amorphous three-phase electronic transformer
10/03/2012CN202473574U 0.5-5W amorphous single-phase electronic transformer
10/03/2012CN202473573U Transformer
10/03/2012CN202473572U Exciting transformer
10/03/2012CN202473571U Flat transformer for switching power supply
10/03/2012CN202473570U Novel high-tension class transformer
10/03/2012CN102714090A Transformer unit
10/03/2012CN102709040A Balance transformer transforming from three phases to four phases
10/03/2012CN102709039A Three-phase core type star transformer
10/03/2012CN102709038A Structure of main transformer composed of multiple transformers in inverter power sources
10/03/2012CN102709037A Transformer with built-in transducer
10/03/2012CN102237191B Sulfur hexafluoride (SF6) gas insulated traction transformer in auto-transformer (AT) power supply mode
10/03/2012CN101908411B Transformer structure
09/2012
09/27/2012WO2012129367A1 Transformers and methods for constructing transformers
09/27/2012WO2012128930A2 Modular reconfigurable polyphase power transformer
09/27/2012US20120245207 Nicotinic acid compositions for treating hyperlipidemia and related methods therefor
09/27/2012US20120242261 Modular reconfigurable polyphase power transformer
09/26/2012EP2502245A1 Electrical transformer assembly
09/26/2012CN102693823A Voltage multiplier without energy dissipation
09/26/2012CN102693818A Combined transformer
09/25/2012US8274349 Voltage regulation system
09/19/2012CN202443852U Cascade high-potential energy supplying device
09/19/2012CN102682979A Novel phase shifting rectifier transformer
09/13/2012DE112010003622T5 Hochleistungsinduktivitätsvorrichtung Hochleistungsinduktivitätsvorrichtung
09/12/2012CN202434324U Minitype flat transformer
09/12/2012CN202434323U Miniature SMD (surface mount device) transformer
09/12/2012CN101866741B Structure of flat-plate transformer with all-metal outer cover and manufacturing method
09/05/2012CN202422977U Balancing transformer for converting three-phase to two-phase
09/05/2012CN202422976U String-variable voltage-regulating triple cut-off transformer for electric furnace
09/05/2012CN202422975U Low-voltage lead arranging structure of 12 pulse wave rectifier transformer
08/2012
08/29/2012EP2492929A2 Insulating support flange for current loop system
08/29/2012CN202405087U Three-phase to two-phase YNvd balance transformer
08/29/2012CN202405086U Specific transformer for electrified railway
08/29/2012CN202405085U Novel pulling-plate dry type transformer
08/23/2012US20120212311 Two-Phase Coupled Inductors Which Promote Improved Printed Circuit Board Layout
08/22/2012CN202395645U AC-DC aviation ground static state power supply
08/22/2012CN202394684U Ring-shaped isolating transformer
08/22/2012CN202394683U Novel explosion-proof circular iron-core transformer arranged triangularly
08/22/2012CN202394682U Intelligent power transformer
08/22/2012CN202394681U DC-AC (direct current-alternating current) dual-purpose experiment transformer
08/22/2012CN102648505A Transformer
08/22/2012CN102646511A High-frequency testing transformer
08/22/2012CN102646510A Water-cooling type high-frequency transformer and secondary rectifier
08/22/2012CN102646509A Embedded thin transformer
08/22/2012CN102097430B High-integration on-chip transformer
08/22/2012CN101373659B Coil-out apparatus of reactor coil and iron core reactor containing the same
08/22/2012CN101373656B Double-body structure of reactor
08/21/2012US8248198 Variable inductor with non-magnetic core and method of manufacture therefor
08/15/2012CN202384161U Laminated toroidal transformer
08/15/2012CN202384160U Planar transformer
08/15/2012CN202384159U Traction transformer in Scott connexion
08/15/2012CN202384158U Super-capacity three-phase integrated generator transformer
08/15/2012CN202384157U Transformer
08/15/2012CN102640236A Composite wound element and transformer using same, transformation system, and composite wound element for noise-cut filter
08/08/2012CN202374058U Toroidal transformer type signal transmission device
08/08/2012CN202373582U Novel on-chip transformer structure with substrate shielding layers
08/08/2012CN202373441U Water-cooled transformer with reactor
08/08/2012CN202373440U Novel power transformer with direct current magnetic biasing compensation capacity
08/08/2012CN202373431U Coil device, compound coil device and planar transformer
08/07/2012CA2689788C Matching turns ratio and resistance ratio in a transformer having a multilayer winding
08/01/2012CN102624218A DC transformer
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