ELECTRONIC IGNITION APPARATUS Russian patent published in 1998 - IPC

FIELD: automobile electrical equipment; combustible mixture ignition systems of internal-combustion engines. SUBSTANCE: electronic ignition apparatus that has voltage changer, ignition coil, electronic switch, switch control unit, and power supply is provided, in addition, with double spark generating unit whose first input is connected to one of terminals of ignition coil primary winding and to plus terminal of power supply, and its second input is connected to other terminal of ignition coil primary winding. First and second outputs of double spark generating unit are connected to outputs of voltage changer; apparatus is also provided with series circuit connected to voltage changer; secondary winding of ignition coil is connected to plus terminal of power supply. EFFECT: increased time and energy of spark discharge and reduced current escape through voltage changer components. 3 dwg