Patents for H01F 30 - Fixed transformers not covered by group (4,595)
01/2013
01/31/2013US20130027170 Isolated power converter with magnetics on chip
01/31/2013US20130027019 Power supply with means for increasing a voltage
01/31/2013DE102011108547A1 Inductive current limiter for electricity network, has conductors non-electrically closed, where ends of conductors are joined with each other and connected with isolator such that conductors are supplied with defined breakdown voltage
01/30/2013EP2551860A1 Transformer
01/30/2013CN202713789U PCB planar transformer
01/30/2013CN202713167U AC power supply
01/30/2013CN102903500A Transformer
01/30/2013CN102903499A Transformer of ingot furnace
01/30/2013CN102903498A Transformer with multi-signal input ports
01/30/2013CN102903497A Multi-magnetic-path transformer
01/30/2013CN102903496A Multipath magnetic circuit combined transformer
01/30/2013CN102903495A Equivalent transformer
01/24/2013US20130021126 Transformer
01/23/2013CN202695105U Three-phase amorphous transformer
01/23/2013CN202695104U Three-phase transformer for gas insulation instrument
01/23/2013CN202695103U Three-phase combination transformer
01/23/2013CN202695102U Integrated transformer
01/23/2013CN202695101U Assembled planar transformer
01/23/2013CN202695100U Structure of main transformer consisting of multiple transformers in inverse power supply
01/23/2013CN202695099U Novel 12PIN DIP network transformer
01/23/2013CN102891001A Three-phase transformer system and power grid with same
01/17/2013WO2013007697A1 Gas-insulated delta transformer
01/16/2013CN202679225U Power supply device
01/16/2013CN202678076U Driver transformer for MOS (metal oxide semiconductor) transistors of power converters
01/16/2013CN202678075U Transformer equipped with built-in sensors
01/16/2013CN102881436A 斯考特变压器 Scott transformer
01/16/2013CN102881435A Three-phase 24-pulse single-output winding phase-shifting rectifier transformer
01/16/2013CN102881434A Pressure-adjusting rectifying transformer special for aluminum foil formation
01/16/2013CN102881433A Transformer with compensation windings
01/16/2013CN102881432A Multi-winding transformer
01/16/2013CN102881431A Transformer for wind power generation
01/16/2013CN102360857B Integrated network distributing transformer with error compensating mutual inductor
01/10/2013US20130009737 Transformer
01/10/2013US20130009625 Transformer
01/09/2013CN202663658U Printed circuit board of planar transformer
01/09/2013CN202662446U Novel wirelessly-charged loose coupling transformer
01/09/2013CN202662445U Combined type transformer for wind power generation
01/09/2013CN202662444U Mobile temporary transmitting transformer
01/09/2013CN202662443U Novel portable transformer
01/09/2013CN202662442U Planar high-frequency transformer based on single-deck PCB (Printed Circuit Board)
01/09/2013CN202662441U Planar transformer for light-emitting diode (LED) lighting tube
01/09/2013CN102867633A Transformer
01/09/2013CN102867632A Instrument transformer
01/09/2013CN101308722B 三维变压器 Three transformers
01/03/2013WO2013000193A1 Single-phase ultra-large capacity strong current short-circuit test transformer
01/02/2013CN202650817U Ultrathin transformer
01/02/2013CN102856063A Transformer for isolation amplifier
01/02/2013CN102856062A Autotransformer
01/02/2013CN102856061A Multi-winding self-coupling transformer
01/02/2013CN102194567B 组合式变压器结构 Combined transformer structure
01/02/2013CN102132364B 三相高频变压器 Phase high frequency transformer
01/02/2013CN101889319B Stacked inductor and power converter using the stacked inductor
01/02/2013CN101552115B Compact multiple transformers
12/2012
12/26/2012CN202633012U Soldering lug type transformer
12/26/2012CN202633011U Soldering terminal type transformer
12/26/2012CN202633010U Bonded heavy-current transformer
12/26/2012CN202633009U Patch type large-current transformer
12/26/2012CN202633008U Dry-type isolating transformer
12/26/2012CN202633007U Embedded thin transformer
12/26/2012CN102360853B Planar transformer in switching power supply
12/26/2012CN102074341B Transformer structure
12/19/2012EP2535783A1 Transformer
12/19/2012CN202616008U 5-15W amorphous single-phase electromagnetic transformer
12/19/2012CN202616007U Planar transformer
12/19/2012CN202616006U High frequency testing transformer
12/19/2012CN202616005U Foil type transformer with starting power supply
12/19/2012CN102832028A Broadband filtering compensation transformer
12/19/2012CN102832027A Single-phase electricity-saving autotransformer and control method
12/19/2012CN102832026A High-frequency high-pressure high-power density transformer
12/19/2012CN102832025A Intelligent power distribution transformer
12/19/2012CN102832018A Two-way output transformer
12/17/2012DE202012104399U1 Dreiphasentransformatorsystem und Netz mit einem solchen Dreiphasentransformatorsystem Three-phase transformer system and network with such a three-phase transformer system
12/13/2012WO2012169325A1 High-frequency transformer
12/05/2012CN202585080U Drive transformer for high frequency generator of electrodeless lamp
12/05/2012CN202585079U Polyphase transformer
12/05/2012CN202585078U Llc transformer
12/05/2012CN202585077U Novel phase-shifting rectifier transformer
12/05/2012CN202585076U Water-cooling type high-frequency transformer and secondary rectifier
12/05/2012CN202585075U Miniature transformer structure
12/05/2012CN102812528A Electrical Transformer Assembly
11/2012
11/29/2012WO2012160752A1 Transformer and arc discharge processing device
11/28/2012CN202564042U Vertical transformer plugged into circuit board
11/28/2012CN202564041U Integrated novel transformer
11/28/2012CN202564040U Magnetic component without winding frame
11/28/2012CN102800469A System and method of filling an air gap between a pair of core sections of a transformer
11/28/2012CN101819864B Transformer
11/28/2012CN101802940B Three-phase multi-winding device
11/27/2012US8319573 Signal transmission arrangement
11/21/2012CN202549595U Multi-module inversion output split transformer
11/21/2012CN202549594U Transformer
11/21/2012CN102792398A Three-phase high performance dry-type transformer with epoxy- insulated coils and method for manufacturing of same
11/21/2012CN102791076A PCB (Printed Circuit Board) planar transformer
11/21/2012CN102064009B Current transformer structure
11/21/2012CN101847498B Transformer structure and insulation seat body used for same
11/20/2012CA2541323C Distributed floating series active impedances for power transmission systems
11/15/2012WO2012128930A3 Modular reconfigurable polyphase power transformer
11/14/2012EP2523200A1 Transformer unit
11/14/2012EP2523197A1 Composite wound element and transformer using same, transformation system, and composite wound element for noise-cut filter
11/14/2012CN202535132U Symmetrical UPS system based on nine-phase self-coupling phase-shifting transformer
11/14/2012CN202534491U Ring transformer with fully-enclosed structure
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