Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
03/1998
03/11/1998CN1175777A Cooling charge cable for electric vehicle
03/10/1998US5726846 Trip device comprising at least one current transformer
03/10/1998US5726615 Integrated-magnetic apparatus
03/05/1998WO1998009303A1 Charging coil core insert for electric toothbrushes
03/04/1998EP0827165A2 Engine igniting coil device
03/04/1998EP0827164A2 Engine igniting coil device and method of winding an ignition coil
03/04/1998EP0827163A2 Engine igniting coil device
03/04/1998EP0826879A2 Igniter unit equipped with coil and igniter circuit for internal combustion engine
03/04/1998EP0826226A1 Magnetic circuit excited by a solenoid and having a gap and its use
03/04/1998EP0705480B1 Ignition coil assembly
02/1998
02/28/1998CA2213919A1 Current transformer assemblies
02/26/1998WO1998008237A1 Vhv transfo-rectifier for surface mounting
02/25/1998EP0824703A1 Radio-interrogatable current transformer using surface wave technology for high-voltage installations
02/25/1998CN1174608A Voltage transformer with increased electric strength
02/24/1998US5721524 Stator apparatus for small engine ignition system having improved grounding arrangement
02/24/1998US5720264 Molded polymeric housing reinforced with glass fibers and filled with dielectric oil has coil insert and is mounted on internal combustion engine
02/19/1998DE19633171A1 Cordless telephone hand-piece with support housing
02/18/1998CN1173724A Current transformer for load switch
02/18/1998CN1173723A High-tension transformation equipment
02/17/1998US5719546 Inductive coupler for transferring electrical power
02/17/1998US5719483 Inductive coupling wand having a molded magnetic core
02/12/1998WO1998006114A1 Winding, particularly for a high-voltage ignition coil circuit
02/11/1998EP0823767A1 Charging system for electric vehicle
02/11/1998EP0823766A1 Cooling charge cable for electric vehicle
02/11/1998EP0823717A2 Charging connector for electric vehicle
02/11/1998EP0823716A2 Magnetic coupling device for charging an electric vehicle
02/11/1998CN1173027A Connector for charging
02/10/1998US5717326 Current measuring apparatus for measuring current in a wire
02/10/1998US5715591 Process and design for producing inside coils
02/04/1998EP0822563A2 Ignition device for a gas discharge lamp in a motor vehicle
02/04/1998CN2273893Y Tapped parametric voltage stabilizing transformer
02/04/1998CN1172211A Installation structure of sparking plug and cap integral ignition coil device
02/03/1998US5714922 Ignition coil for an internal combustion engine
01/1998
01/29/1998WO1998003791A1 Ignition coil
01/28/1998EP0821376A1 Oil cooled high power inductive coupler
01/28/1998CN1171646A Non-Contact electric power transmission device
01/22/1998WO1998002980A1 Device for transmitting and receiving digital data by electromagnetic induction and inductive coupling
01/22/1998DE19637733C1 Current-compensated noise suppression choke
01/22/1998DE19627628A1 Electrical energy transmission method
01/21/1998EP0820073A1 Inductive coupler assembly and having its primary winding formed in a printed wiring board
01/21/1998EP0819214A1 Ignition device for a multicylinder internal combustion engine
01/21/1998CN1170986A Connector for charging electric vehicle
01/21/1998CN1170944A High-tensiont ransformer
01/21/1998CN1170942A High-voltage transformer
01/15/1998WO1998001873A1 Ignition coil for an internal combustion engine
01/14/1998EP0818868A2 Inductive power distribution system
01/14/1998EP0818791A1 High voltage transformer
01/13/1998US5706792 Integrated ignition coil and spark plug
01/08/1998DE19626002A1 Voltage converter for outdoor use
01/07/1998EP0817351A2 Noncontact charging device, charger, cordless electric equipment, and noncontact charger
01/07/1998EP0817214A1 High voltage transformer
01/07/1998EP0817213A1 Connector for charging
01/07/1998EP0817212A1 Connector for charging electric vehicle
01/07/1998EP0814994A1 Track-guided transport system with power and data transmission
01/07/1998EP0666805B1 Process for automatic contactless charging
01/07/1998CN2272156Y Four-in-one combined electrical appliance
01/06/1998US5705872 Brushless resolver
01/02/1998DE19726840A1 Contactless electrical energy transmission device
01/02/1998DE19623399A1 Ignition coil for internal combustion (IC) engine
12/1997
12/31/1997CN2271743Y 电磁感应脉冲发生器 Electromagnetic induction pulse generator
12/30/1997US5703556 Ignition coil for an internal combustion engine
12/30/1997US5703462 Inductive coupler assembly having its primary winding formed in a printed wiring board
12/30/1997US5703461 Inductive coupler for electric vehicle charger
12/18/1997DE19725550A1 Current transformer assembly
12/17/1997EP0813283A1 Differential protection device having immunity against nuisance tripping
12/17/1997CN2271019Y Fluorescent lamp ballast
12/16/1997US5697352 Ignition apparatus for internal combustion engine
12/14/1997CA2206621A1 Current transformer assemblies
12/10/1997EP0811168A1 Voltage transformer with increased electric strength
12/04/1997WO1997045913A1 Charging system for motor-driven vehicle
12/02/1997US5692483 Ignition coil used for an internal combustion engine
12/02/1997US5692482 Ignition coil for internal combustion engine
11/1997
11/27/1997DE19621003A1 Two part connector for contactless energy and data transfer
11/27/1997DE19620966A1 Medium voltage transformer for medium voltage switch-gear
11/26/1997EP0808460A1 Current-detection coil for a current transformer
11/26/1997CN2268981Y Current transformer
11/26/1997CN1166242A Interconnection system for transmitting power between electrical systems
11/26/1997CN1165954A 电流传感器 Current Sensors
11/25/1997US5691687 Contactless magnetic slip ring
11/19/1997EP0807942A1 wound component
11/13/1997WO1997042510A1 Current sensor, in particular for low currents
11/12/1997CN2267522Y Transformer for experiment
11/12/1997CN2267521Y Rectifier type transformer for electric dust remover
11/11/1997US5685065 Samarium-cobalt alloy
11/06/1997WO1997041576A1 Magnetic core-coil assembly for spark ignition systems
11/06/1997WO1997041575A1 Magnetic core-coil assembly for spark ignition systems
11/06/1997WO1997041574A1 Magnetic core-coil assembly for spark ignition systems
11/06/1997CA2253571A1 Magnetic core-coil assembly for spark ignition systems
11/06/1997CA2253568A1 Magnetic core-coil assembly for spark ignition systems
11/04/1997US5684380 Oil cooled high power inductive coupler
10/1997
10/30/1997DE19616085A1 Coil mounting on IC engine
10/29/1997EP0803883A1 Converter transformer
10/29/1997CN2266184Y Multipurpose current mutual-inductor
10/29/1997CN2266132Y Current transducer
10/23/1997WO1997039510A1 Electrical installation using electromagnetic induction
10/23/1997WO1997038876A1 Device for the inductive transmission of electric energy and signals in motor vehicles
10/22/1997EP0584295B1 Method for mounting an electrical coil on a magnetic circuit having an air gap
10/22/1997CN2265583Y Self-adaptation compensator for potential transformer secondary circuit potential drop
10/22/1997CN2265582Y Outdoor dry current transformer
10/22/1997CN2265581Y Primary, secondary mixed wound transformer