Internal combustion engine with spark plug and prechamber spark plug
AssigneeRobert Bosch GmbH
InventorsAlexander Eichhorn, Alexander Hettinger
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Abstract
The present disclosure relates to an internal combustion engine comprising at least one cylinder, four charge-exchange points per cylinder, wherein a first and a second charge-exchange port are each an inlet port, and wherein a third and a fourth charge-exchange port are each an outlet port, also comprising one spark plug and one prechamber spark plug per each cylinder.
Claims19
An internal combustion engine, comprising:
- at least one cylinder;
- four charge-exchange ports per the at least one cylinder, wherein a first and a second charge exchange port are each an inlet port, and wherein a third and a fourth charge exchange port are each an outlet port;
- and
- one spark plug and one prechamber spark plug per the at least one cylinder, the spark plug and/or the prechamber spark plug arranged on a combustion chamber roof of a combustion chamber of the cylinder,
- wherein
- the spark plug is arranged closer to a center of the combustion chamber roof than the prechamber spark plug, or the prechamber spark plug is arranged closer to a side wall of the at least one cylinder than the spark plug.
A method for operating an internal combustion engine having at least one cylinder, the internal combustion engine having four charge exchange ports per at least one cylinder and a spark plug and a prechamber spark plug, comprising:
- providing the spark plug and the prechamber spark plug;
- and
- operating the spark plug and/or the prechamber spark plug to ignite a fuel/air mixture within a combustion chamber of the at least one cylinder.
Dependencies are inferred from the claim text.