Ignition device for igniting fuel-air mixtures in a combustion chamber of an internal combustion engine by a corona discharge

摘要

Ignition device for igniting fuel-air mixtures in a combustion chamber (23) of an internal combustion engine by a corona discharge, with an ignition electrode (9), an outer conductor (1, 3) surrounding the ignition electrode (9), which has a front and a rear End, and with a between the ignition electrode (9) and the outer conductor (1, 3) arranged electrical insulator (8) from which protrudes at least one tip (10) of the ignition electrode (9). The at least one tip (10) of the ignition electrode (9) lies in a space (18) which is shielded by a cap (4) associated with the insulator (8), which has an inner side facing the insulator (8) and an insulator (8). 8) facing away from the outside and one or more holes (7) through which the shielded space (18) with a lying on the outside of the cap (4) space is in communication.