CPC F02B 19/12 (2013.01) [F02B 19/18 (2013.01); F02M 61/1813 (2013.01)] | 18 Claims |
1. A fuel ignition device for an engine having a plurality of cylinders, comprising:
an active pre-chamber, the active pre-chamber comprising:
a fuel inlet for introducing fuel into the active pre-chamber;
a spark plug configured to ignite a fuel-air mixture in the active pre-chamber; and
a plurality of holes arranged circumferentially around a lower end of the active pre-chamber, the plurality of holes being configured to provide fluid communication between the central chamber and a combustion main chamber of the engine;
wherein each of the plurality of holes are configured to produce a hot jet into the combustion main chamber at an angle between 60 and 80° with respect to a centerline through the active pre-chamber and the combustion main chamber.
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