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)
11/2013
11/20/2013CN103400688A Coil transformer composed of unit configuration
11/14/2013WO2013167830A1 Three-phase rotary transformer having a magnetic shell and including three magnetic cores
11/14/2013WO2013167828A1 Three-phase rotary transformer having a magnetic shell
11/14/2013WO2013167827A1 Rotating three-phase transformer with linked and free flux
11/13/2013CN203288412U Three-phase transformer structure
11/13/2013CN203288411U Transformer module
11/06/2013CN203277072U Welding transformer, welding transformer assembly and welding device
11/06/2013CN203277071U Three-phase twelve-pulse-wave rectifier transformer structure
11/06/2013CN203277070U Efficient transformer
11/05/2013CA2506051C Power source for plasma device
10/2013
10/30/2013CN103377815A 单相组合式变压器 Combined single-phase transformer
10/30/2013CN103377814A Novel transformer
10/24/2013WO2013155819A1 Symmetrical ups power system based on nine-phase self-coupling phase-shifting transformer
10/24/2013DE102012103048A1 Regeltransformator Regulating transformer
10/23/2013CN103366935A Flat transformer structure
10/23/2013CN103366934A Transformer structure
10/16/2013DE202013007892U1 Dreiphasen-Regeldrossel Three phase control throttle
10/16/2013CN203242483U Frequency control dry-type phase shifting rectifier transformer with eight split windings
10/16/2013CN203242482U 66 kilovolt grounding and station transformer
10/16/2013CN103354159A Improved autotransformer,
10/16/2013CN101523526B Inductor element, inductor element manufacturing method, and semiconductor device with inductor element mounted thereon
10/10/2013WO2013150784A1 Coil unit, and power transmission device equipped with coil unit
10/10/2013WO2013150240A1 Fixed three-phase to two-phase transformer with forced linked flux
10/09/2013EP2647019A1 Non- linear transformer and method of manufacturing the same
10/09/2013CN203232792U Three-phase iron-core isolated boosting transformer for ocean platform
10/09/2013CN203232791U Autotransformer for reduced-voltage starting
10/09/2013CN102360861B Magnetic leakage-preventing annular transformer
10/09/2013CN102074337B Winding frame components and transformer with modularized wire winding frame components
10/03/2013WO2013146338A1 Switching power source device
10/02/2013CN103339698A Contactless power transfer system
10/02/2013CN103337352A High frequency magnetic ring transformer for PCB (Printed Circuit Board) board
10/01/2013CA2698101C Three-phase multi-winding device
09/2013
09/26/2013WO2013140502A1 Power conversion apparatus
09/25/2013CN203218076U Three-phase and three-column type amorphous alloy dry-type transformer and iron cores thereof
09/19/2013WO2013136854A1 Dc-dc converter
09/19/2013WO2013135689A1 Transformer for an electrically driven vehicle
09/18/2013CN203205230U Planar transformer in switching power supply
09/18/2013CN203205229U Large-current planar transformer manufactured on printed circuit board
09/18/2013CN203205208U Horizontal upside-down three-phase transformer
09/18/2013CN102360852B Heavy-current planar transformer
09/18/2013CN102197447B 变压器 Transformer
09/12/2013DE102012101988A1 Anordnung von Luft-Drosselspule und Umschalter Arrangement of air choke and switch
09/11/2013CN203192584U Concentric type traction transformer with four coaxial split windings
09/11/2013CN203192583U Electricity larceny prevention measuring transformer
09/11/2013CN203192582U Combined type transformer
09/11/2013CN103295751A High isolation drive transformer and design method thereof
09/11/2013CN103295750A Welding transformer, welding transformer assembly and welding set
09/11/2013CN103295749A Double body series connection type split transformer with high secondary winding no-load voltage balance degree
09/11/2013CN103295748A Coil of compound voltage compensation autotransformer
09/11/2013CN103295745A Network transformation module and magnetic elements thereof
09/10/2013US8531262 Multi-site spare 3-phase transformer
09/05/2013US20130229249 Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures
09/04/2013CN203179687U Transformer with metering structure
09/04/2013CN203179686U Oil type transformer
09/04/2013CN203179685U Boosting transformer
09/04/2013CN103280305A 132kV-class 36-pulse-wave transmission rectifier transformer
08/2013
08/29/2013US20130222099 Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures
08/29/2013DE102012203103A1 Spannungsumwandlungsvorrichtung Voltage conversion device
08/28/2013EP2632040A1 Transformer configuration for a back-to-back converter
08/28/2013CN203165652U Vertical split type transformer
08/28/2013CN203165651U Oil-immersed amorphous alloy electrical distribution transformer
08/21/2013CN203150370U Integrated transformer
08/21/2013CN103258630A Low-noise transformer
08/14/2013DE102012214371A1 An einem Fahrzeug angeordnete Umwandlungsvorrichtung für elektrische Leistung Arranged on a vehicle electric power conversion device
08/14/2013CN203134541U Traveling-wave tube annular transformer
08/14/2013CN203134540U Amorphous alloy transformer for photovoltaic power generation
08/14/2013CN203134539U Ring-shaped transformer
08/14/2013CN203134538U Novel T-shaped wiring dry-type transformer with two amorphous alloy cores
08/14/2013CN203134537U Three-phase oil immersed transformer
08/14/2013CN203134536U Flat plate transformer, flat plate inductor and resonance circuit
08/14/2013CN203134535U Anti-arching transformer
08/07/2013CN203118745U Circular phase-shifting transformer for 24-pulse-wave rectification
08/07/2013CN203118744U Multiphase transformer
08/06/2013US8502631 Three-phase line reactor with skew yoke core design
07/2013
07/31/2013EP2620956A1 Auto-transformer rectifier unit core
07/31/2013EP2509082B1 Fluid insulated high voltage coil
07/31/2013CN203104297U Transformer secondary circuit structure in ground intelligent control screen transmission power supply
07/31/2013CN103227034A Three-phase transformer horizontally hung upside down
07/30/2013US8497755 Hybrid transformer with transformation and improved harmonics functions, unbalanced current, and a power supply system thereof
07/25/2013WO2013108247A1 Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them
07/25/2013WO2013107481A1 Transformer-core
07/25/2013WO2013107480A1 Transformer-core
07/25/2013US20130187739 Fluid Deflection Transformer Tank
07/25/2013CA2861434A1 Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them
07/24/2013EP2618472A2 Power converter with asymmetric phase shift autotransformer for alternating current (AC) motor
07/24/2013EP2618347A1 Transformer-core
07/24/2013EP2618346A1 Transformer-core
07/24/2013CN203086354U An air-cooled large-power high-frequency switching power supply voltage-transforming and rectifying device
07/24/2013CN203085340U Combined type transformer for urban rail transit
07/24/2013CN203085338U Integrated high frequency power transformer
07/18/2013US20130181800 Magnetic Power Converter
07/18/2013DE102012000411A1 Induktiver Energieübertrager Inductive power transformer
07/17/2013CN203070908U Three-phase transformer
07/17/2013CN203070907U High-altitude damp-heat type combined type transformer for wind power generation
07/17/2013CN203070906U High-voltage-resisting fully-closed type thyristor triggering transformer
07/17/2013CN103208358A Network transformer
07/17/2013CN103208355A Transformer
07/17/2013CN102177557B Multilayer insulated wire and transformer using same
07/11/2013US20130176097 Insulating transformer
07/11/2013US20130176092 Cooled transformer having at least one strip winding
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