Patent ID: 8550048
Filing Date: 2013-10-08
Classification: F02P,H01T

Abstract:
1. A corona ignition device for igniting fuel in an internal combustion engine by generating a corona discharge, said corona ignition device comprising a housing, an insulator, which is held in the housing, a centre electrode, which is held in the insulator, and at least one ignition tip at an end of the centre electrode, wherein the housing surrounds an interior, which has a cylindrical portion and a widened portion adjoining the cylindrical portion of the interior on an end facing away from the at least one ignition tip, wherein a cylindrical portion of the insulator sits in the cylindrical portion of the interior, wherein the insulator has a thinner portion in the widened portion of the interior, and wherein the cylindrical portion of the insulator carries an electrically conductive coating, which ends before the thinner portion of the insulator.