Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/1995
09/13/1995EP0671041A1 Detection tag.
09/13/1995CN2207636Y Transformer copper aluminium protective wire clip
09/12/1995US5450263 Electronic device
09/08/1995WO1995024050A2 Current transformer for a bar-type conductor
09/08/1995WO1995024005A1 An electrically controllable inductor
09/06/1995EP0670077A1 Improved edge coating for amorphous ribbon transformer cores
09/06/1995CN1107995A Transformer, especially used for detecting defect of electric wire
09/05/1995US5448580 Air and water cooled modulator
09/05/1995US5448215 Stationary induction apparatus
09/05/1995US5447455 Electrical connector assembly
08/1995
08/31/1995WO1995023420A1 Twisted-conductor bundle for the windings of electric machines and equipment
08/31/1995DE19505463A1 Power transformer for current supply systems
08/30/1995EP0669629A1 Toroidal transformer
08/30/1995CN2206491Y Lapping ring iron core transformer
08/29/1995US5446643 Harmonic blocking converter system
08/29/1995US5446642 Harmonic blocking converter system
08/29/1995US5446269 Tubing shape, particularly for fabricating an induction coil
08/29/1995CA2143580A1 Method and apparatus for the substantial elimination of oxidation in transformer insulating oils
08/29/1995CA2013004C Protective cover for exposed transformer terminals
08/24/1995DE4404957A1 Vehicle ignition coil with principal core surrounded by flux-return core
08/23/1995EP0668597A1 High frequency switching voltage rectifier
08/23/1995EP0668596A1 Method of making a bobbin on a toroidal magnetic circuit
08/22/1995US5444757 X-ray generator
08/22/1995US5444427 Ignition coil device for engine
08/22/1995US5444426 Stationary induction apparatus
08/22/1995US5443664 Surge current-suppressing circuit and magnetic device therein
08/17/1995WO1995022154A1 Inductive device comprising connection members
08/17/1995WO1995022153A1 Electric windings for inductors and transformers having water-cooled tubular elements and a helically wound coating of flat wires
08/17/1995CA2142565A1 Coil winding process for a circular magnetic circuit
08/16/1995EP0667629A2 Transformer and A.C. arc welder
08/16/1995EP0667030A1 Transformer
08/16/1995CN2205587Y Mutual inductor of low voltage meter box for preventing fraudulent use of electricity
08/16/1995CN1029535C High energy dissipation harmonic reactor
08/15/1995US5441783 Edge coating for amorphous ribbon transformer cores
08/10/1995DE4404079A1 Choke coil with spiral-shaped winding
08/09/1995EP0666579A1 High-tension transformer
08/09/1995EP0578721B1 Twisted conductor
08/09/1995CN2205049Y 大容量高频变压器 Large-capacity high-frequency transformer
08/08/1995US5440286 Electrical transformer structure with coil covers
08/08/1995US5440225 Core for coil device such as power transformers, choke coils used in switching power supply
08/02/1995CN2204454Y Leakage pulse autotransforming ballast
08/01/1995US5438182 Choke coil apparatus for an electromagnetic range
08/01/1995US5438161 Apparatus with interconnection arrangement
07/1995
07/26/1995CN1105775A Method for manufacturing amorphous alloy thin band rectangle iron core
07/20/1995WO1995019630A1 A compact coil assembly for transient voltage protection
07/19/1995EP0663599A1 Magnetic sensor and magnetic detector
07/19/1995EP0605412B1 Process for manufacturing coil windings
07/19/1995CN2203798Y Low-temperature rising isolating transformer
07/18/1995US5434455 Harmonic cancellation system
07/12/1995EP0662746A1 Sheet material for electrical insulation, preimpregnated and electrically insulated coil using the same
07/12/1995EP0662699A1 A helical induction coil, a device for forming and a method of making same
07/12/1995EP0479966B1 Inductive circuit element for assembly of printed circuit broads
07/11/1995US5432438 Combined current and voltage transformer for a metal-enclosed gas-insulated high-voltage switching station
07/05/1995EP0661722A1 Transformer
07/05/1995CN2202993Y Coal mine safety electricity supply device
07/04/1995US5430426 Transformer
07/04/1995US5430425 Integrated frame system
07/04/1995US5430424 Planar transformer
06/1995
06/30/1995CA2137589A1 Multi-turn z-foldable secondary winding for a low-profile, conductive film transformer
06/28/1995EP0660344A1 High-voltage transformer and use
06/28/1995EP0660343A1 High-voltage transformer and use
06/28/1995EP0660342A1 Noise absorbing device
06/28/1995EP0660339A1 Improvement relating to transformers of the closed ferrite magnetic circuit type
06/28/1995CN1104365A Welding machine transformer
06/28/1995CA2139026A1 Terminal bushing having integral overvoltage and overcurrent protection
06/27/1995US5428337 Conductive winding
06/27/1995US5428333 Method and apparatus for compensation of field distortion in a magnetic structure
06/27/1995US5426846 Method of breaking interlaminar bonds of an amorphous metal core
06/21/1995CN2201715Y 变压器线圈 Transformer coil
06/21/1995CN2201714Y Annular core pole overlapping iron core transformer
06/21/1995CN2201713Y Reactor coil
06/21/1995CN1103990A Three-phase transformer
06/21/1995CN1029044C Absolute pressure compensation method in oil-content appliance housing
06/14/1995EP0657901A1 Ducted air-cooled secondary of automobile battery charging transformer
06/14/1995EP0657064A1 Winding support body for transformers/reactors with superconductors.
06/14/1995DE4341111A1 Current transformer with moulded resin insulation
06/14/1995CN2200861Y 60-100 thousand voltage high-tension oil transformer
06/13/1995US5424899 Compact transformer and method of assembling same
06/13/1995US5424513 Method for producing transformers, especially transformers for distribution systems, and a device for carrying out this method
06/08/1995WO1995015609A1 Dc/dc converter for low output voltages
06/08/1995WO1995015569A1 Twisted conductor
06/07/1995EP0656636A1 Transformer with shielding and its use
06/07/1995CN1028814C Molded transformer
06/06/1995US5422620 Transformer
06/06/1995US5422619 Common mode choke coil
05/1995
05/31/1995EP0655877A2 Device for preventing a high voltage transformer of a microwave oven from being overheated
05/31/1995EP0655754A1 Inductance element
05/31/1995CN2199001Y Welder for composite film aluminium strip winding
05/30/1995US5420558 Thin film transformer
05/24/1995CN2198657Y Electronic iron powder core
05/24/1995CN2198655Y Multiple groove tower framework full closed high votage coil pack
05/23/1995US5418513 Transformer core in transformer circuit
05/18/1995DE4339235A1 Cylinder barrier seal for transformer and choke coils
05/17/1995EP0653767A1 Transformer for medium voltage
05/17/1995EP0653766A1 Inductive coupling wand having a molded magnetic core
05/17/1995EP0653765A1 Self-protected immersed polyphase electrical transformer
05/17/1995EP0653099A1 A bobbin capable of reliably insulating a first coil from a second coil.
05/17/1995EP0640240A4 Strip conductor for transformers.
05/17/1995CN2197734Y 变压器 Transformer
05/17/1995CN2197733Y Lead of foil winding
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