Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
08/2011
08/04/2011WO2011094743A1 Power input device with current pulse multiplier transformer to reduce harmonic currents in converter/inverter circuits and devices, and method of making the same
08/04/2011WO2011093543A1 Transformer with low eddy current and magnetic hysteresis loss and manufacturing method thereof
08/04/2011WO2011092097A1 An electric device and a method for manufacturing the device
08/04/2011WO2011091846A1 Magnetic core
08/04/2011WO2011091829A1 On-load tap changer
08/04/2011WO2011091819A1 Fastening element on a winding
08/04/2011WO2011047177A3 Transformer having interleaved windings and method of manufacture of same
08/04/2011WO2010109272A3 Laminated core having a soft magnetic material and method for joining core sheets in a bonded manner to form a soft-magnetic laminated core
08/04/2011US20110187485 Transformer having sectioned bobbin
08/04/2011DE102010006308A1 Laststufenschalter OLTC
08/04/2011DE102009054001A1 Vorrichtung zur Potentialtrennung und Ringkerndrossel Device for potential separation and toroidal choke
08/04/2011CA2786937A1 Magnetic core
08/03/2011EP2351057A1 Integrated gas discharge lamp and ignition transformer for an integrated gas discharge lamp
08/03/2011EP2351056A1 Barrier arrangement for a cable duct
08/03/2011CN201919189U 一种微波炉高压变压器 A microwave oven high voltage transformer
08/03/2011CN201918254U 一种测量接地装置特性参数的电流互感器装置 A grounding device parameters measured current transformer means
08/03/2011CN201918253U 一种电流互感器 A current transformer
08/03/2011CN201918252U 一种用于产生高电压的微型电流互感器 A system for generating high voltage current transformer miniature
08/03/2011CN201918250U 一种电压互感器 A voltage-transformer
08/03/2011CN201918248U 漏感值可控的环形变压器 Controlled leakage inductance value toroidal transformer
08/03/2011CN201918247U 电抗器 Reactor
08/03/2011CN201918246U 220千伏三相三线圈电力变压器的主绝缘结构 Main Insulation Structure of 220 kV three-phase three-winding power transformer
08/03/2011CN201918245U 一种用于变压器铁芯的减震垫块 A shock-absorbing pad transformer core
08/03/2011CN201918244U 多回路换热器 Multi-loop heat exchanger
08/03/2011CN201918243U 一种变压器真空煤油汽相干燥蒸发装置 A transformer dry vacuum evaporation device kerosene vapor
08/03/2011CN201918242U 干式磁控电抗器外壳 Dry magnetron reactor shell
08/03/2011CN201918241U 干式变压器外壳底网 Dry-type transformer enclosure bottom net
08/03/2011CN201918240U 一种电感器件 An inductor device
08/03/2011CN201918234U Insulating bushing for 500KV main transformer
08/03/2011CN201916714U 大功率led照明装置 Power led lighting device
08/03/2011CN201914253U 一种高速动车集成型冷却装置 A high-speed EMU integrated cooling device
08/03/2011CN102144269A High-voltage transformer
08/03/2011CN102144268A Oil-filled electric device
08/03/2011CN102142298A Enameled wire for large transformer
08/03/2011CN101651023B Device for winding protruding head of reel iron core transformer
08/03/2011CN101640107B Full bias seam iron core stepping stacking method
08/03/2011CN101615489B Pen-type ignition coil iron core and manufacturing method thereof
08/03/2011CN101299377B Control apparatus for automatic cyclic permutation switch-throwing of transformer cooling system
08/03/2011CN101084512B Transponder system
08/02/2011US7990248 Insulation alement and toroidal core throttle
08/02/2011US7990247 Coil magnets with constant or variable phase shifts
08/02/2011US7990246 Foil winding pulse transformer
08/02/2011US7990245 Multi-sectional bobbin for high voltage inductor or transformer
08/02/2011US7990244 Inductor winder
08/02/2011US7990243 Gull wing surface mount magnetic structure
08/02/2011US7989019 Method and apparatus for administering passivator to a conductor
08/02/2011US7987580 Method of fabricating conductor crossover structure for power inductor
07/2011
07/28/2011WO2011088777A1 Magnetic integration double-ended converter
07/28/2011WO2011047175A3 Transformer with concentric windings and method of manufacture of same
07/28/2011US20110181384 Multilayered ceramic component and manufacturing method thereof
07/28/2011US20110181383 Micromagnetic Device and Method of Forming the Same
07/27/2011EP2348517A1 Noncontact power-transmission coil, portable terminal, and terminal charging device
07/27/2011EP2348516A1 Railway sensor including a coreless transformer with high galvanic insulation
07/27/2011EP2348513A1 Multilayer insulated wire and transformer using same
07/27/2011EP2348307A1 On-line diagnostics and control process of dielectric behavior of power transformers and device to implement the process
07/27/2011CN201910974U Improved welding pin
07/27/2011CN201910322U Dry-type mesohigh voltage transformer
07/27/2011CN201910320U Improved transformer structure
07/27/2011CN201910319U Sound-insulating structure of transformer core
07/27/2011CN201910318U Clamping piece insulating device of amorphous alloy dry-type transformer
07/27/2011CN201910317U Supporting and tightening structure for inner windings of iron windows of multi-stage laminated iron cores for oil-immersed type transformer
07/27/2011CN201910316U Transformer skeleton
07/27/2011CN201910315U Combined terminal plate for chocking adapter transformer
07/27/2011CN201910314U Conductive rod of transformer
07/27/2011CN201910313U Three-phase four-column reactor
07/27/2011CN201910312U Novel intermediate voltage transformer
07/27/2011CN201910311U Oil-immersed type transformer
07/27/2011CN201910310U Anti-theft device for transformer of oil well
07/27/2011CN1938794B Embedded toroidal transformers in ceramic substrates
07/27/2011CN1885451B Coil component
07/27/2011CN102136365A Method for interchanging windings by single spiral mode of three parallel-connected lead wires
07/27/2011CN102136362A Process for holding down transformer body
07/27/2011CN102136359A Novel oil immersed inverted vertical current transformer and insulation detection method thereof
07/27/2011CN102136358A Power supply current transformer for electronic protection
07/27/2011CN102136357A Ring transformer with controllable leakage inductance value and processing technology thereof
07/27/2011CN102136356A Three-phase five-column transformer
07/27/2011CN102136355A Dual on-load tap changer
07/27/2011CN102136354A Large-range on-load tap changer (OLTC) for testing
07/27/2011CN102136353A Split easily-detected high-low voltage insulating bush for 10kv distribution transformer
07/27/2011CN102136352A Coil frame and transformer using the coil frame
07/27/2011CN102136351A Transformer and transforming system
07/27/2011CN102136350A Iron core of magnetic screen type magnetically controlled reactor
07/27/2011CN102136349A Transformer oil tank
07/27/2011CN102136348A Method for treating insulating oil for transformer
07/27/2011CN102136347A Installation box of transformer
07/27/2011CN102136346A Saturable reactor main body
07/27/2011CN102136345A Multi-magnetic gap filter reactor
07/27/2011CN102136335A Magnetic core of compound magnetic material
07/27/2011CN101777420B Metal inner electrode for isolating mutual impact of inner electric field and outer electric field of single-phase insulated barrel-type transformer and method thereof
07/27/2011CN101651031B Combined structure of transformer, system circuit board and auxiliary circuit board
07/27/2011CN101572166B Heat dissipation system of underground box type transformer
07/27/2011CN101533707B Contact set for rotary-core voltage regulators
07/27/2011CN101399114B Multiple magnetic circuit transformer
07/27/2011CN101295574B Inductive element
07/27/2011CN101034619B Wound coil component
07/26/2011US7986208 Surface mount magnetic component assembly
07/26/2011US7986207 Method for making a high current low profile inductor
07/26/2011US7986202 Circuit breaker current transformer conductor location device for improved sensing accuracy and assembly
07/21/2011WO2011087209A2 Coil bobbin for superconducting power storage apparatus
07/21/2011WO2011086822A1 Common mode filter and inductor for common mode filter