Verfahren zum Betreiben einer Brennkraftmaschine

摘要

The invention relates to an internal combustion engine (1) in particular the internal combustion engine of a motor vehicle, which is provided with a combustion chamber (4), wherein fuel can be injected in a rich and in a lean operational mode. Said internal combustion engine (1) is provided with a catalyst (12) wherein nitrous oxides can be stored. A control unit (18) is provided for switching between operational modes. A power function (G) relating to the storage of nitrous oxides in the catalyst (12) is determined by the control unit (18). Said control unit (18) effects switching between the operational modes according to said power function (G).