Estimation of the Temperature of a Catalytic Converter and Corresponding Applications

摘要

The aim of the invention is to estimate a temperature jump (DeltaT) of a catalytic converter of an internal combustion engine in the event of a change in the composition of the exhaust gas. To this end, a quantity of a reactand (SI) stored in the catalytic converter is monitored (2-7), and the heating (DeltaT) of the catalytic converter resulting from the reaction heat released during the reaction of the stored reactand is assumed (13, 14, 16, 17) as the temperature jump (DeltaT).