Patent ID: 8373337
Filing Date: 2013-02-12
Classification: H01T

Abstract:
1. A spark plug for an internal combustion engine, comprising: an electrical connecting arrangement on a connection-side end, wherein the connection-side end includes a connection-side end element for providing the electrical connection of the spark plug; an end on a combustion-chamber side pointing toward a combustion chamber; an insulator; a housing having a thread to attach the spark plug to an engine component; a first sealing area, and a second sealing area situated between the insulator and the housing, the first sealing area being situated closer to the connection-side end and the second sealing area being situated closer to the end on the combustion-chamber side; and a tool engagement area to transmit a torque to the spark plug for fitting or removing the spark plug, the tool engagement area being situated in an area of the spark plug which lies between the connection-side end element and the first sealing area wherein a maximum diameter of the housing is greater than or equal to a maximum diameter of the tool engagement area.