Patent ID: 9261053
Filing Date: 2016-02-16
CPC Classification: F01N,F02B,F02D,F02M,Y02T

Claim Text:
1. A self-igniting internal combustion engine with ether fumigation of combustion air, comprising: a fuel delivery device for delivering a first alkanol portion of fuel for firing the internal combustion engine; an exhaust gas heat exchanger for cooling at least a portion of the exhaust gas arising during the firing of the internal combustion engine and to evaporate the first alkanol portion of the fuel while absorbing some of the thermal energy dissipated during the cooling of the exhaust gas; a catalyst for dehydrating the evaporated alkanol portion of fuel to form ether and water; and a water feed between the catalyst and a combustion chamber of the internal combustion engine, the water feed configured to include at least a portion of the water formed using the catalyst and configured to increase the water vapor content of the exhaust gas; wherein the fuel delivery device, the exhaust gas heat exchanger, and the catalyst are configured and connected to the combustion chamber of the internal combustion engine in such a way that: wherein the water feed is configured such that the portion of the water is introduced into the combustion chamber via the exhaust gas.