Multi-cylinder IC engine ignition system - has circuit generating several independent sparks for each cylinders, each with transformer and switch in series with primary

摘要

The ignition system has several circuits generating sparks and operating independently, ie. one circuit for each cylinder of the engine. Each circuit contains an ignition transformer and a switching device actuated by the engine in series with the transformer primary. With the switch closed, current is stored in the primary, while the switch opening results in a spark generation. The transformer secondary is connected to the respective spark plug without incorporating a distributor. The circuit from the secondary to the spark plug has a one-way current conducting elements, preventing spark generation on the switching device closing. Preferably the one-way current conducting elements may be formed by four-layer diodes, or alternately by one or several diodes which have a parallel spark gap for their protection.