Otto internal combustion engine with urea introduction device and method for operating such an internal combustion engine

摘要

Otto internal combustion engine (1) with an air intake tract (3) for supplying fresh air (11) to at least one combustion chamber (2) of this Otto internal combustion engine (1) and with an exhaust gas tract (4) for discharging exhaust gases from this at least one combustion chamber ( 2) and with a urea introduction device having a urea injection nozzle (7) for introducing an aqueous urea solution (16) into the combustion chamber (2), characterized in that the urea injection nozzle (7) is located in the combustion chamber (2) or upstream of the combustion chamber (2) on an air flow (10) from the air inlet tract (3) in this combustion chamber (2) is arranged.