Method for nox reduction of internal combustion

Details Method for nox reduction of internal combustion Method for nox reduction of internal combustion

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 75/10 (2006.01) F02D 41/00 (2006.01) F02D 41/14 (2006.01)

Patent

CA 2255462

In a method for reducing NO x in the exhaust gas of an internal combustion engine that is always operated at a lean fuel/air ratio of .lambda. > 1 and has a motor control device for controlling .lambda., the .lambda. value is slidingly controlled as a function of an average mass temperature in the combustion chamber of the internal combustion engine, wherein for a low average mass temperature .lambda. is decreased and for a high average mass temperature A is increased such that the internal combustion engine is operated in any operational state close to the misfiring limit.

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