| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for reducing nitrogen oxides from an internal combustion engine usable even for a large diesel engine. SOLUTION: The supercharged internal combustion engine (10) is characterized by at least one nitrogen supply device (44) for sending nitrogen and at least one nitrogen introduction device (26a-26d; 42a-42f) connected to the nitrogen supply device (44) and supplying a nitrogen mass flow rate to combustion air. By supply of nitrogen to the combustion air, emission amount of nitrogen oxides in the internal combustion engine (10) can be effectively reduced. This system is a particularly advantageous method and usable for a large diesel engine driven by heavy oil. COPYRIGHT: (C)2010,JPO&INPIT
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