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)
11/2010
11/10/2010CN101183605B Convenience-for-transportation disorganized transportation transformer and transport case thereof
11/03/2010CN201623916U Push-pull multi-tube quasi-parallel oscillation power combining automobile fluorescent lamp ballast
11/03/2010CN201623915U Independent excitation amplifying power synthesis automotive fluorescent lamp ballast
11/03/2010CN201623914U Solar power supply independent excitation amplifying power synthesis fluorescent lamp ballast
11/03/2010CN201623913U Solar power supply self-excitation oscillation power synthesis fluorescent lamp ballast
11/03/2010CN101071681B Transformer apparatus, inverter transformer, and drive circuit
10/2010
10/27/2010CN201616335U 一种高频驱动变压器 A high-frequency drive transformer
10/27/2010CN201616334U 一种智能油浸变压器 An intelligent oil-immersed transformers
10/27/2010CN101872674A Current-sharing transformer and applicable power supply circuit thereof
10/21/2010WO2010118772A1 A converter structure and a modular voltage source converter
10/20/2010CN201611606U 新型磁环变压器 The new magnetic transformer
10/20/2010CN201611605U 一种电子变压器 An electronic transformer
10/20/2010CN201611601U 太阳能发电用非晶合金10kV干式变压器 Solar power generation amorphous alloy dry-type transformers 10kV
10/20/2010CN101866741A Structure of flat-plate transformer with all-metal outer cover and manufacturing method
10/14/2010DE102009016238A1 Storage transformer for flyback converter circuit in battery management system for supply of individual battery cells for e.g. hybrid vehicle, has coil body enclosing part of core and carrying part of primary winding and secondary windings
10/13/2010CN201608041U 一种单相五绕组电磁式电压互感器 A single-phase five electromagnetic voltage transformer windings
10/13/2010CN201608039U 一种小容量三相干式变压器 A small-capacity three-phase transformer
10/13/2010CN201608038U 紧凑型油浸式变压器 Compact oil-immersed transformers
10/13/2010CN101859633A Low-voltage coil of medium-high frequency static dust-removing dry type transformer
10/13/2010CN101859632A Medium-high frequency transformer of high-voltage coil and low-voltage coil
10/13/2010CN101859631A Amorphous alloy iron core of medium-high frequency static dust-removing dry type transformer
10/13/2010CN101859630A Amorphous alloy multi-inclined-plane composite iron core of medium-high frequency transformer
10/13/2010CN101086913B Transformer
10/12/2010CA2394986C Power conversion systems utilizing wire core inductive devices
10/07/2010US20100253460 Transformer Based Voltage Supply
10/06/2010CN201601021U 一种环形变压器切割气隙铁芯捆绑打带装置 A toroidal transformer core cutting gap bundle strapping device
10/06/2010CN201601010U 环氧树脂机车变压器 Epoxy locomotive transformer
10/06/2010CN201601009U 组合式变压器结构 Combined transformer structure
10/06/2010CN201601008U 一种使用在高压状态下的平板变压器 A method of using a flat plate under high pressure transformer
10/06/2010CN201600994U 新型at供电四柱单相牵引变压器 The new at-powered single-phase traction transformers poster
10/06/2010CN1933058B Method for producing tri-splitting drive rectifier transformer
09/2010
09/29/2010EP2234126A1 Stacked inductor and power converter using the stacked inductor
09/29/2010CN201594938U LED drive circuit
09/29/2010CN201594463U Laminated chip flat-plate transformer
09/29/2010CN101847499A Handheld coaxial forced water cooling intermediate-frequency transformer and manufacturing method thereof
09/29/2010CN101847498A Transformer structure and insulation seat body used for same
09/29/2010CN101170006B Transformer and multi-lamp tube drive circuit using this transformer
09/23/2010US20100240899 when the plasma nicotinic acid or nicotinuric acid curves are deconvoluted using the Wagner-Nelson method; side effect reduction
09/22/2010EP2229684A1 Power transfer device
09/22/2010CN201590321U 组合式电力变压器 Combined Power Transformer
09/22/2010CN201590320U Vertical-type flat-plate transformer
09/22/2010CN201590319U SMT high-power inductor
09/22/2010CN101842860A A dry-type transformer with a polymer shield case and a method of manufacturing the same
09/22/2010CN101840774A Small-area transformer with on-chip laminated structure
09/15/2010CN201584280U Arrangement structure of split winding type transformer
09/15/2010CN201584279U Horizontal transformer
09/15/2010CN201584278U Vertical core through small-sized precision voltage and current general mutual inductor
09/15/2010CN1691223B Inductor and transformer
09/15/2010CN101834063A Pulse drive transformer assembly for self-excited switching power supply converter
09/14/2010US7796005 Power source for plasma device
09/14/2010US7796003 Multi-parallel magnetic-field cancellation type transformer
09/08/2010CN201576550U Three-phase amorphous alloy isolation transformer
09/08/2010CN201576543U Single-phase shell amorphous alloy dry type transformer body
09/08/2010CN1667764B High voltage transformer
09/08/2010CN101826391A Segmented layered structure transformer
09/08/2010CN101236823B Winding structure of single-phase traction transformer
09/07/2010US7791442 Electronic transformer used in low-voltage lamps
09/02/2010WO2010098029A1 Transformer and transformer assembly method
09/02/2010US20100219923 Zigzag autotransformer apparatus and methods
09/01/2010CN201570362U Vertical double-layered power transformer of computer power supply
09/01/2010CN201570361U Multi-winding cast-resin dry-type transformer for ocean platforms
09/01/2010CN201568790U LED alternating-current bulb
09/01/2010CN101819866A Novel three-phase equilibrium transformer
09/01/2010CN101819865A Combined transformer
09/01/2010CN101819864A Transformer
09/01/2010CN101819854A Tertiary winding multi-stage coarse and fine continuous voltage adjustment rectifier transformer
08/2010
08/31/2010US7786835 Magnetic element and method of manufacturing magnetic element
08/26/2010WO2010095955A1 High voltage transformer
08/25/2010CN201562578U Circular transformer
08/25/2010CN201562577U Improved structure of annular transformer
08/25/2010CN201562576U multi-phase transformer
08/25/2010CN201562575U Single-phase traction transformer for high-speed passenger special line
08/25/2010CN201562574U Split-type inductor
08/25/2010CN201562573U Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer
08/25/2010CN201562572U Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation
08/25/2010CN201562545U Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies
08/19/2010WO2010092676A1 Transformer
08/18/2010CN201556519U Oil-immersed power transformer
08/18/2010CN1637968B Device for supplying power to an electronic protection device to be used in a low-voltage circuit breaker
08/18/2010CN101809687A Multiphase inductive power supply system
08/18/2010CN101807476A Transformer structure
08/18/2010CN101383224B Audio self-coupling output transformer applied in electric vibration experiment
08/18/2010CN101241796B Transformer
08/11/2010CN201549329U Three-phase induction voltage regulator
08/11/2010CN101802940A Three-phase multi-winding device
08/11/2010CN101383554B Common mode/differential mode electromagnetic interference noise separating network
08/10/2010US7772954 Symmetrical auto transformer wye topologies
08/10/2010US7772953 Symmetrical auto transformer delta topologies
08/05/2010WO2009146835A3 Transformer
08/04/2010CN201540811U Rain-proof dry-type transformer for auxiliary system of electric locomotive
08/04/2010CN101795081A Power electronic transformer having multi-winding isolation transformer
08/04/2010CN101794665A Groove-splitting high-frequency switch power transformer
08/04/2010CN101794321A Single-phase three-winding autotransformer model taking account of nonlinear influences of excitation impedance
08/03/2010US7768369 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
07/2010
07/28/2010CN101789311A LTCC low temperature co-fired ceramic flat surface transformer
07/27/2010US7764060 Transformer based voltage supply
07/21/2010CN201532846U High voltage-resistance silicon controlled trigger transformer
07/21/2010CN201532845U Pulse transformer processed by circular magnetic core
07/21/2010CN201532844U Amorphous alloy iron core transformer
07/21/2010CN101785073A Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus
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