Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
08/2012
08/23/2012US20120212315 Multiple-loop symmetrical inductor
08/23/2012US20120212314 Power module and circuit board assembly thereof
08/23/2012US20120212313 Corona igniter with improved energy efficiency
08/23/2012US20120212312 Dry-type network transformer
08/23/2012US20120212221 Dipole Locator Using Multiple Measurement Points
08/23/2012CA2826661A1 Cooling system for dry transformers
08/22/2012EP2490231A1 Cooling system for dry transformers
08/22/2012EP2490230A2 Insulation support strip
08/22/2012EP2490229A1 Transformer, amorphous transformer and method of manufacturing the transformer
08/22/2012EP2490011A1 Optical gas sensor for use with electrical equipment and method for detecting gas in electrical equipment using said gas sensor
08/22/2012EP2489050A2 Transformer with concentric windings and method of manufacture of same
08/22/2012EP2489049A2 Transformer having interleaved windings and method of manufacture of same
08/22/2012EP1929489B1 A foil winding pulse transformer
08/22/2012CN202395354U European box-type substation with removable transformer
08/22/2012CN202394692U Automatic covering machine for stamp gum copper belt
08/22/2012CN202394691U Fastener mechanism for assembling housing of dry-type transformer
08/22/2012CN202394690U Vertical type oiled paper insulation current transformer
08/22/2012CN202394689U Current mutual inductor for electric power distribution transformer pile head
08/22/2012CN202394688U Hollow coil shaft current transformer
08/22/2012CN202394687U Sleeve of high-voltage voltage transformer
08/22/2012CN202394686U Fixing frame of mutual inductor
08/22/2012CN202394684U Ring-shaped isolating transformer
08/22/2012CN202394683U Novel explosion-proof circular iron-core transformer arranged triangularly
08/22/2012CN202394682U Intelligent power transformer
08/22/2012CN202394681U DC-AC (direct current-alternating current) dual-purpose experiment transformer
08/22/2012CN202394680U Large-power rectifier transformer of charger
08/22/2012CN202394679U Transformer
08/22/2012CN202394678U Improved inductor
08/22/2012CN202394677U Energy-saving power-saving transformer
08/22/2012CN202394676U Molded coil interlayer insulation mechanism used for dry-type transformer
08/22/2012CN202394675U Ultrathin transformer with lead wire guide slot
08/22/2012CN202394674U Oil-immersed transformer
08/22/2012CN202394673U Novel compaction cushion block of transformer
08/22/2012CN202394672U Winding for transformer and transformer
08/22/2012CN202394671U Improved I-shaped high-frequency inductor
08/22/2012CN202394670U Amorphous alloy coil fixing device
08/22/2012CN202394669U Wire cake and transformer using same
08/22/2012CN202394668U Coil capable of balancing equivalent resistance
08/22/2012CN202394667U Novel testing transformer bank
08/22/2012CN202394666U 66kV grade power transformer
08/22/2012CN202394665U Improved three-phase balance reactor
08/22/2012CN202394664U Low-no-load loss dry type transformer
08/22/2012CN202394663U Magnetic powder core structure
08/22/2012CN202394662U Novel transformer clamp
08/22/2012CN202394661U Uniform stress tensioning structure for multistage stepped iron yokes of large transformer
08/22/2012CN202394660U Magnetic powder core device
08/22/2012CN202394659U Oil tank for novel power transformer
08/22/2012CN202394658U Transformer oil tank structure
08/22/2012CN202394657U Reinforced transformer oil tank
08/22/2012CN202394656U Finned radiator tightness detection device for transformer
08/22/2012CN202394655U Finned radiator oil tube seal cover for transformer
08/22/2012CN202394654U Radiating fin
08/22/2012CN202394653U Eccentric heat radiator
08/22/2012CN202394652U Gooseneck type heat radiator for transformer
08/22/2012CN202394651U Finned radiator for transformer
08/22/2012CN202394650U Finned radiator
08/22/2012CN202394649U Finned heat radiator for transformer
08/22/2012CN202394648U Ventilation and interlayer separation structure of high power transformer coil
08/22/2012CN202394647U Air-cooled transformer based on proportional-integral-differential (PID) control
08/22/2012CN202394646U Locking mechanism for transformer
08/22/2012CN202394645U Transformer capable of being assembled
08/22/2012CN202394644U Oil-immersed insulated screw for transformer
08/22/2012CN202394643U Novel protective cover for transformer
08/22/2012CN202394642U Novel foreign body isolation net
08/22/2012CN202394641U Ultrathin wave filter preventing pins from shifting
08/22/2012CN202394638U Separating electro-magnetic interference (EMI) filter for cables
08/22/2012CN202394637U Improved annular inductor
08/22/2012CN202394636U Improved vertical type inductor
08/22/2012CN202393464U Pressure type oil level meter for transformer
08/22/2012CN202392296U Sealing structure between sleeve and box cover of oil immersed transformer
08/22/2012CN202392106U Casing sealing structure for oil immersed transformer
08/22/2012CN202391924U Anti-theft screw rod mechanism for transformer
08/22/2012CN102648505A Transformer
08/22/2012CN102648504A Heat exchanger system for dry-type transformers
08/22/2012CN102648503A Winding arrangement for an inductive component
08/22/2012CN102647093A Novel dual power on-load voltage regulation rectifier transformer
08/22/2012CN102647092A Voltage regulating device for low voltage side of alternating-current power transmission and transformation
08/22/2012CN102646511A High-frequency testing transformer
08/22/2012CN102646510A Water-cooling type high-frequency transformer and secondary rectifier
08/22/2012CN102646509A Embedded thin transformer
08/22/2012CN102646508A Thin-shaped transformer with aluminum shielding plate
08/22/2012CN102646507A Winding insulation cardboard tube and production process thereof as well as oil immersion drum for production process
08/22/2012CN102646506A High-voltage coil for dual-voltage conversion dry type transformer
08/22/2012CN102646505A Amorphous transformer, transformer and method of manufacturing transformer
08/22/2012CN102646504A Detachable silicon steel sheet wound core with multiple 'V'-shaped notches
08/22/2012CN102646503A Corrugated oil storage system with display device
08/22/2012CN102646502A Air relief cock
08/22/2012CN102646501A Heat radiation device of transformer
08/22/2012CN102646500A Shield connecting device for oil immersed type transformer on ocean platform
08/22/2012CN102646499A Dry type transformer with secondary iron core for electric locomotive
08/22/2012CN102646498A Flux channeled, high current inductor
08/22/2012CN102646497A Common-yoke filter reactor
08/22/2012CN102646494A Ferrite core
08/22/2012CN102644557A Wind turbine power generating facilities
08/22/2012CN102290217B Coil of suspended C-level three-dimensional wound core dry-type transformer
08/22/2012CN102226972B Two-column serial wiring structure of network-side coils for converter transformer
08/22/2012CN102074336B Heavy-current non-boss primary conductor of transformer
08/22/2012CN101996742B Surface-mounted transformer magnetic core for liquid crystal display
08/22/2012CN101872675B Method for inhibiting ferroresonance
08/22/2012CN101819852B Inductor and method of manufacturing the same