Patent ID: 6711894
Filing Date: 2004-03-30
Classification: F01N,F02D,Y02T

Abstract:
Internal combustion engine having any one of a distillation device, a reformer device and an evaporator configured to provide a starting fuel in a nonvaporous condition which comprises low-boiling fuel constituents, and having a catalytic converter in an exhaust train of the internal combustion engine, wherein a secondary air device is provided for after-treatment of the exhaust gases, wherein with the secondary air device secondary air is blown into the exhaust train upstream of the catalytic converter, wherein the combustion being carried out with the use of an excess of starting fuel (rich-burn operation) during the cold start and the subsequent warm-up phase, whereby a partial oxidation occurs with increased emissions of carbon monoxide (CO) and hydrogen (H2) for improving the afterburning or post-oxidation.