Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 38 - Adaptations of transformers or inductances for specific applications or functions
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
11/1995
11/02/1995EP0680057A2 Inductive coupler having a tactile feel
11/02/1995EP0680056A2 Electromagnetically shielded inductive charging apparatus
11/02/1995EP0680055A1 High frequency transformer having an internally liquid cooled winding
10/1995
10/31/1995US5463303 Multilayer separate windings of inductive charge coupler for automobile battery charging transformer
10/26/1995WO1995028723A1 Transmission device
10/25/1995EP0678880A1 Inductive coupler for well tools
10/24/1995US5461555 Flyback converter having a high efficiency irrespective of magnitude of a load
10/24/1995US5461316 Ignition coil with misfire detecting capacitor for internal combustion engine
10/24/1995US5461299 Battery charging system
10/24/1995CA2038565C Welding transformer and method of manufacturing same
10/23/1995CA2147558A1 Inductive coupler for well tools
10/19/1995DE4412957A1 Übertragungseinrichtung Transmission equipment
10/18/1995CN2210456Y Transformer for the test of resonance
10/17/1995US5458509 Ignition coil device for internal combustion engine
10/17/1995US5457873 Method for mounting an electrical coil on a magnetic circuit with an air gap
10/12/1995WO1995027291A1 Choke coil with current-dependent inductance
10/11/1995EP0676778A1 High-voltage transformer
10/11/1995EP0676710A1 Data connector for portable devices
10/11/1995EP0588804B1 Coil core with earth contact
10/11/1995EP0514496B1 Engine ignition system including a transformer assembly and positioning means therefor
10/10/1995US5457378 Electromagnetically shielded inductive charging apparatus
10/05/1995DE4411645A1 Drosselspule mit stromabhängiger Induktivität Inductor with inverse inductance
10/05/1995CA2144712A1 Data connector for portable devices
10/03/1995US5455729 Multi-channel rotating transformer
10/03/1995US5455573 Inductive coupler for well tools
10/02/1995EP0730778A4 Flexible transformer apparatus particularly adapted for high voltage operation
09/1995
09/28/1995WO1995026069A1 Electric machine with a transformer having a rotating component
09/28/1995WO1995024050A3 Current transformer for a bar-type conductor
09/28/1995CA2185806A1 Electric machine with a transformer having a rotating component
09/19/1995US5451856 Device for the transmission of electrical power signals to a rotary assembly
09/14/1995WO1995024723A1 Current transformer
09/14/1995WO1995024722A1 Fa connector and work pallet using it
09/08/1995WO1995024050A2 Current transformer for a bar-type conductor
09/08/1995WO1995024005A1 An electrically controllable inductor
09/06/1995CN1107995A Transformer, especially used for detecting defect of electric wire
09/05/1995US5448217 Ignition coil with spiral-back pyramid windings
09/05/1995US5448216 Flyback transformer
08/1995
08/31/1995DE19506589A1 Ignition spool for IC engine
08/30/1995CN2206174Y Multiple channel archback welder
08/29/1995US5446435 Current sensor comprising a magnetic circuit with an air gap
08/24/1995WO1995022849A1 Direct-acting non-contact feeder
08/24/1995DE4404957A1 Vehicle ignition coil with principal core surrounded by flux-return core
08/23/1995EP0668598A1 Current transformer with annular core to be built in a metal cast high-tension switchgear installation
08/23/1995EP0668192A2 Device for transmitting power and data between a motor vehicle and its steering wheel
08/22/1995US5444427 Ignition coil device for engine
08/17/1995CA2142497A1 System for transmitting energy and data between the vehicle side and the steering wheel side of motor vehicles
08/16/1995EP0667629A2 Transformer and A.C. arc welder
08/16/1995EP0667052A1 Contactless battery charging system
08/16/1995EP0666805A1 Process for automatic contactless charging
08/16/1995EP0666804A1 Arrangement for the inductive transfer of energy to movable consumers.
08/16/1995EP0665994A4 Contactless power delivery system.
08/16/1995CN2205587Y Mutual inductor of low voltage meter box for preventing fraudulent use of electricity
08/16/1995CN1029535C High energy dissipation harmonic reactor
08/09/1995EP0666579A1 High-tension transformer
08/09/1995EP0666578A1 Current transformer with annular core to be built in a metal cast high-tension switchgear installation
08/09/1995EP0665994A1 Contactless power delivery system
08/09/1995CN2205078Y Charging and welding machine
08/08/1995US5440286 Electrical transformer structure with coil covers
08/08/1995US5438971 Ignition coil device for an internal combustion engine
08/02/1995EP0665561A1 Current transformer with annular core to be built in a metal cast high-tension switchgear installation
08/01/1995US5438496 Connection device with no electrical contact
08/01/1995US5437259 Internal-combustion-engine ignition device
07/1995
07/18/1995US5434493 Fixed core inductive charger
07/12/1995EP0576493B1 Ignition system without distributor
07/12/1995CN2203203Y Portable electric welder
07/11/1995US5432438 Combined current and voltage transformer for a metal-enclosed gas-insulated high-voltage switching station
07/06/1995DE4344071A1 Energy and/or data transmission device
07/05/1995EP0661547A1 DC current sensor
06/1995
06/29/1995DE4344450A1 IC engine ignition coil
06/27/1995US5428521 Non-contact power supply apparatus
06/21/1995EP0658271A1 Current transformer.
06/21/1995EP0658270A1 Ignition coil
06/14/1995EP0657902A1 Horizontal linearity correction coil
06/14/1995EP0657901A1 Ducted air-cooled secondary of automobile battery charging transformer
06/14/1995DE4341111A1 Current transformer with moulded resin insulation
06/13/1995US5424527 Signal receiving coil and non-contact type IC card using the same
06/08/1995DE4143366C2 Microwave oven for use with AC or DC power supply
06/07/1995EP0656637A1 Transformer with frame-shaped stack of laminations
06/07/1995EP0654203A4 High frequency electronic circuit for load ballasting.
06/06/1995US5422620 Transformer
05/1995
05/24/1995EP0654803A1 Electrical transformer
05/24/1995EP0654203A1 High frequency electronic circuit for load ballasting
05/24/1995EP0516773B1 Process for manufacturing coils
05/23/1995US5418514 AC current sensor and method of making same
05/18/1995WO1995013470A1 Hybrid ignition with stress-balanced coils
05/17/1995EP0653767A1 Transformer for medium voltage
05/17/1995EP0653766A1 Inductive coupling wand having a molded magnetic core
05/17/1995EP0653562A2 Spark plug connecting device
05/16/1995US5416459 Ignition coil device for engine
05/16/1995US5416458 Power distribution transformer for non-linear loads
05/10/1995EP0652573A2 Ignition transformer
05/10/1995EP0652366A2 Auto-ignition detection method
05/10/1995EP0652365A2 Misfire detection method
05/10/1995EP0652364A2 Load detection method
05/10/1995EP0652363A2 Engine ignition and control system
05/10/1995CN1028391C Instrument current transformer for power cables
05/09/1995US5414400 Rogowski coil
05/03/1995EP0651405A1 Cooled secondary of electric automobile charging transformer
05/03/1995EP0651404A1 Internal cooling of electric automobile charging transformer
05/02/1995US5412366 Rotary transformer
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