Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
11/1996
11/21/1996WO1996036979A1 Magnetic circuit excited by a solenoid and having a gap and its use
11/20/1996EP0743667A1 Relay terminal array
11/20/1996EP0742950A1 Device for mounting a flexible cable in a cylindrical sleeve, and high-voltage transformer comprising same
11/20/1996CN1136264A Design of electric power supply for initiating several lamps instantanously
11/19/1996US5576921 Aggregate current transformer
11/19/1996US5576681 For a television receiver
11/14/1996DE19609655A1 Ignition coil unit for IC engine use
11/14/1996DE19608714A1 Ignition coil assembly for use on IC engines
11/13/1996EP0742369A1 Triggering circuit for ignition devices
11/13/1996CN2239855Y Portable electric welding machine
11/07/1996DE19516235A1 Coupling arrangement for revs transmitter e.g. coupled to automobile chassis
11/06/1996CN1135022A Ignition apparatus for internal combustion engine
11/05/1996US5572441 Data connector for portable devices
11/05/1996US5572178 Rotary transformer
11/05/1996US5572177 Current detection unit and relay terminal array
10/1996
10/31/1996DE19616195A1 IC engine ignition unit with ignition coil
10/31/1996DE19615673A1 IC engine ignition unit with ignition coil
10/31/1996DE19615399A1 IC engine ignition unit with ignition coil
10/31/1996DE19612429A1 Ignition device for IC engine
10/31/1996DE19612319A1 Transformer, in particular, for a welding unit
10/30/1996EP0740387A2 Interconnection system for transmitting power between electrical systems
10/30/1996EP0740318A2 High voltage transformer for a television receiver
10/24/1996WO1996033417A1 Radio-interrogatable current transformer using surface wave technology for high-voltage installations
10/24/1996CA2218586A1 Radio-interrogated, surface-wave technology current transformer for high-voltage systems
10/23/1996EP0739087A2 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation
10/23/1996EP0738831A2 Ignition coil for internal combustion engine
10/23/1996EP0738419A1 Fractionated-rectification high-voltage transformer with grouped diodes
10/23/1996CN1134029A 高压变压器 High-voltage transformers
10/22/1996US5568047 Current sensor and method using differentially generated feedback
10/22/1996CA2170686A1 Interconnection system for electrical systems having differing electrical characteristic
10/17/1996WO1996020408A3 Dc and ac current sensor having a minor-loop operated current transformer
10/17/1996DE19614161A1 Transmitter for output and communication data e.g. for motor vehicle airbag restraint system
10/16/1996CN2237515Y Moving iron core ac arc welder
10/10/1996WO1996031381A1 Track-guided transport system with power and data transmission
10/10/1996DE19603113A1 Ignition coil for motor vehicle IC engine
10/10/1996DE19523352C1 Current monitoring device e.g. for electric conductor in on-load tap-switch
10/10/1996DE19512523A1 Track-guided transport system for goods conveying
10/09/1996CN2236918Y AC/dc argon arc welding and electric arc welding four-purpose electric welder
10/02/1996EP0735803A1 Voltage converter for a vehicle headlight discharge lamp, headlight with such a circuit
10/02/1996EP0735552A1 High voltage transformer for a television receiver
10/02/1996DE19611034A1 Resistor board for flyback transformer in video display appts.
10/02/1996CN2236682Y Energy saving welder transformer with gapless core
10/02/1996CN1132311A Ignition coil for internal combustion engine
09/1996
09/25/1996CN1131802A Flyback transformer device
09/24/1996US5559486 Bobbin for high frequency core
09/24/1996US5558074 Ignition device for internal-combustion engine
09/24/1996US5558071 Ignition system power converter and controller
09/12/1996DE19508268A1 Ignition coil for IC engine with two sparking-plugs per cylinder
09/11/1996EP0730778A1 Flexible transformer apparatus particularly adapted for high voltage operation
09/05/1996DE19507934A1 Spannungswandler mit erhöhter Spannungsfestigkeit Voltage converter with increased dielectric strength
08/1996
08/29/1996WO1996026447A1 Voltage transformer with increased electric strength
08/29/1996DE19506719A1 High voltage transformer for use with television receiver
08/28/1996EP0729160A1 High voltage transformer for a television receiver
08/28/1996CN2233811Y Multi-function adjustable welding machine for ring shape welding
08/27/1996US5550704 Ignition coil including inorganic insulator exhibiting higher conductivity along its surface than perpendicular to its surface
08/27/1996US5550452 Induction charging apparatus
08/22/1996DE19505812A1 Stromerfassungsspule für einen Stromwandler Current sensing coil for a current transformer
08/21/1996EP0727105A1 Inductive power pick-up coils
08/21/1996CN2233619Y 10 KV synthetic insulation all operating mode current transformer
08/21/1996CN1129347A Trip device comprising at least one current transformer
08/21/1996CN1129342A Cylindrical-type rotary transformer
08/20/1996US5548081 Duct, particularly for high voltages with special electrode holder
08/15/1996WO1996024855A1 Current-detection coil for a current transformer
08/13/1996US5545966 In an inductive charging apparatus
08/07/1996CN2232620Y Multifunction current mutual-inductor
08/07/1996CN1128576A Ignition coil assembly
08/07/1996CN1128395A Transformer structure and substation apparatus
08/06/1996US5543772 High voltage connection to ignition coils
08/01/1996DE19527156C1 Hollow shaft resolver with phase shift compensation
07/1996
07/31/1996EP0724275A1 High-voltage transformer equipment
07/24/1996EP0723159A1 Current measuring device with measuring transducer
07/24/1996CN2231590Y Thyristor dc argon-arc welder
07/24/1996CN1127413A Current transformer for a metal-enclosed gas-insulated high-voltage installation
07/23/1996US5539296 Method and system of charging a propulsion battery of an electrically powered vehicle
07/18/1996DE19504221C1 Ignition coil for i.c. engine ignition circuit
07/17/1996CN2231447Y Out-door dry mutual inductor
07/17/1996CN2231446Y Mutual inductor
07/16/1996US5536979 Charger for hand-held rechargeable electric apparatus with switch for reduced magnetic field
07/10/1996EP0721239A1 Manufacturing process for an electrical cable connector, electrical cable and high-voltage transformer provided with such cables
07/10/1996EP0620947B1 Ignition coil assembly and method of manufacture thereof
07/10/1996CN2230972Y Circular switch-on zero-sequence current mutual inductor
07/04/1996WO1996020526A1 Device for the contactless inductive transmission of electric energy
07/04/1996WO1996020408A2 Dc and ac current sensor having a minor-loop operated current transformer
07/03/1996EP0719443A1 Process and design for producing inside coils
07/03/1996EP0719199A1 Tool head with external current supply
06/1996
06/27/1996DE4446804A1 Instrument transformer e.g. for installing into gas-insulated switchgear
06/27/1996DE4446779A1 Anordnung zur berührungslosen induktiven Übertragung elektrischer Leistung An arrangement for contactless inductive transmission of electrical power
06/27/1996DE4446258A1 Current or voltage transformer design for HV and medium voltage
06/26/1996EP0718857A1 Current transformer
06/26/1996EP0717872A1 Multi-channel rotating transformer
06/26/1996CN2229852Y D.C argon arc welding/arc welding machine
06/18/1996US5528113 Inductive power pick-up coils
06/18/1996US5526788 Auto-ignition detection method
06/12/1996EP0716436A1 Ignition coil for an internal combustion engine
06/12/1996EP0716425A2 Ignition coil for an internal combustion engine
06/12/1996EP0715764A1 Ignition coil assembly
06/05/1996EP0715392A1 Thermal management using a hybrid spiral/helical winding geometry for inductive charger
06/05/1996EP0715390A1 Inductive charger field shaping using nonmagnetic metallic conductors
06/04/1996US5523735 High tension line transformer for a television receiver
06/04/1996US5523733 Secondary winding bobbin for an ignition coil for an internal combustion engine