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)
02/2014
02/26/2014EP2701276A1 Symmetrical ups power system based on nine-phase self-coupling phase-shifting transformer
02/26/2014CN203456264U High isolation drive transformer
02/26/2014CN103608878A High-frequency transformer
02/26/2014CN103606447A Portable transformer
02/26/2014CN103606446A Method for remarkably reducing impulse voltage gradient of regulating winding of auto-transformer
02/25/2014US8659382 Non-encapsulated-winding stereo wound-core dry-type amorphous alloy transformer
02/20/2014US20140049246 Power supply arrangement with a transformer having a transformer core with legs arranged in a polygon
02/19/2014EP2698800A1 Power supply assembly with a transformer with a transformer core with legs arranged in polygons
02/19/2014CN203445355U Improved network connector
02/19/2014CN203444963U High voltage-resistance totally-closed IGBT trigger transformer
02/19/2014CN203444962U Planar transformer
02/19/2014CN203444961U Scott transformer
02/19/2014CN203444960U 变压器改良结构 Transformers improved structure
02/19/2014CN203443672U Transformer equipped with infrared temperature measuring device
02/19/2014CN103597559A Fluid insulated high voltage coil
02/19/2014CN103594238A Three-phase autotransformer
02/18/2014US8653929 Stereo-triangular wound-core power transformer with a voltage class more than or equal to 110kV
02/12/2014CN203433974U Non-coil type transformer
02/12/2014CN203433973U Non-coil type electronic transformer
02/12/2014CN203433972U Transformer
02/12/2014CN103578718A Inner-outer annular non-contact transformer
02/12/2014CN103578717A Transformer and manufacturing method and electric connector thereof
02/12/2014CN103578716A Conjugate high-efficiency transformer for changing three-phase power supply into single-phase power supply
02/12/2014CN103578715A 中频变压器 IF transformer
02/12/2014CN103578714A Adhesive piece transformer
02/12/2014CN103578713A Anti-theft transformer
02/12/2014CN102568794B Multi-module inverter output split-winding transformer
02/06/2014WO2014021138A1 Transformer coil
02/05/2014CN203423054U High-frequency magnet ring transformer for PCB
02/05/2014CN103559992A Power transformer
02/05/2014CN103559991A Side-extended-triangle-shaped autotransformer
01/2014
01/30/2014WO2014017212A1 Amorphous core transformer
01/30/2014US20140028433 Transformer
01/29/2014EP2689434A2 Modular reconfigurable polyphase power transformer
01/29/2014CN203415392U Ring transformer
01/29/2014CN103545866A Device for charging a portable element and associated method
01/28/2014CA2701669C Various methods and apparatuses for an integrated zig-zag transformer
01/23/2014WO2013124374A3 Transformer configuration for a hvdc back-to-back converter
01/22/2014EP2688076A2 Linear electromagnetic device
01/22/2014CN203407080U Printed circuit board set and planar transformer
01/22/2014CN203406153U Intelligently-controlled transformer
01/22/2014CN203405541U Novel 110 KV vehicle-mounted type magnetic power frequency resonance test transformer
01/22/2014CN103531337A Double-split rectifier transformer with field coils and tandem primary side coils
01/22/2014CN103531336A Application of giant autotransformer and application method of giant autotransformer
01/16/2014WO2014010749A1 Case unit and electronic component
01/16/2014US20140016367 Magnetic Device and Power Converter Employing the Same
01/16/2014US20140015629 Three-phase 48-pulse rectifier transformer
01/16/2014DE102012106260A1 Mehrphasen-Streufeld-Transformator zum Speichern und Filtern Multi-phase transformer stray field for storing and filtering
01/15/2014CN203397880U Three-dimensional triangle transformer
01/15/2014CN203397879U Extended edge and triangular self-coupling transformer
01/15/2014CN103515076A Phase conversion transformer
01/15/2014CN103515075A Non-coil vertical type transformer
01/15/2014CN103515074A Non-coil type electronic transformer
01/15/2014CN103515073A High power density magnetic integration planar transformer and manufacturing method
01/14/2014US8629737 Signal processing apparatus
01/08/2014CN203386602U 三相变压器 Three-phase transformer
01/08/2014CN203386601U Large-power high-frequency high-voltage rectifier transformer
01/08/2014CN203386600U Assembled-type flat transformer
01/08/2014CN103500623A Current transformer cores and method for producing same
01/02/2014US20140002229 Resin-molded stereo wound-core dry-type amorphous alloy transformer
01/02/2014DE112012001465T5 48-Puls-Dreiphasen-Gleichrichtertransformator 48-pulse three-phase rectifier transformer
01/01/2014CN203377085U High power density magnetic integration planar transformer
01/01/2014CN203377084U Transformer with ultrathin magnetic core
01/01/2014CN203377083U Integrated type transformer
01/01/2014CN203377082U Epoxy resin pouring dry type transformer
01/01/2014CN102361404B Inverse Scott dry-type transformer
12/2013
12/31/2013CA2576990C Auto-transformer for use with multiple pulse rectifiers
12/27/2013WO2013190536A1 Device for delivering galvanic isolated digital video at high frequencies
12/26/2013US20130343091 Integrated magnetics for soft switching converter
12/25/2013CN203366971U Electrical connecting structure of three-phase dry type transformer set
12/25/2013CN203366970U 变压器和电源 Transformers and Power Supplies
12/25/2013CN203366969U Power transformer
12/25/2013CN103477404A Non-linear transformer and method of manufacturing the same
12/25/2013CN103474219A Three-phase transformer
12/24/2013US8614614 Submersible dry distribution transformer
12/18/2013CN203351392U Transformer with four split windings
12/18/2013CN203351391U Improved autotransformer
12/18/2013CN103460312A Modular reconfigurable polyphase power transformer
12/18/2013CN102208267B Inductive-cavity magnetic core resetting mechanism
12/17/2013CA2569786C Planar high voltage transformer device
12/12/2013WO2013184872A1 Three-step core for a non-linear transformer
12/12/2013WO2013183420A1 Coil device
12/12/2013WO2013027447A9 Transformer
12/12/2013US20130328652 Three-step core for a non-linear transformer
12/11/2013CN203338961U 逆变焊机变压器 Inverter welding transformer
12/11/2013CN203338960U Low-voltage charge-control measuring electricity larceny resistant transformer
12/11/2013CN101996753B Transformer-based circuit
12/04/2013CN203325695U Transformer device achieving transition from three phases to fifteen phases
12/04/2013CN203325694U Power transformer
12/04/2013CN203325665U Frequency-conversion phase-shift rectifier transformer
12/04/2013CN103426617A 变压器 Transformer
12/03/2013US8598742 Server and method for detecting work state of power transformers
11/2013
11/28/2013DE112010005649T5 Isoliertransformator und Leistungsquelle Isolation and power source
11/27/2013EP2667390A1 Contactless power transfer system
11/27/2013CN203312011U Three-phase power transformer
11/27/2013CN103413663A High power, high frequency and high voltage rectifier transformer
11/20/2013CN203300422U Circular transformer
11/20/2013CN203300421U High voltage measurement electricity-larceny-prevention energy-saving transformer
11/20/2013CN203300420U Differential transformer structure
11/20/2013CN203300419U Dual-purpose differential transformer
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