Patent ID: 9452752
Filing Date: 2016-09-27
CPC Classification: B60W,F01N,F02D,Y10S,Y10T

Claim Text:
1. A method, comprising: switching an internal combustion engine to a substoichiometric operating mode for a specifiable period of time maintaining the substoichiometric operating mode of the internal combustion engine with a constant air ratio, wherein the internal combustion engine has an exhaust gas discharge system for discharging exhaust gases and at least one exhaust gas aftertreatment system arranged in the exhaust gas discharge system; wherein the internal combustion engine is switched to a substoichiometric steady-state operating mode in an intermediate load range comprising loads between 40% and 60% of a maximum load at the prevailing engine speed; and connecting an electric machine to a crankshaft of the internal combustion engine to be used as a selectable auxiliary drive, when operating the internal combustion engine in the substoichiometric steady-state operating mode.