Patent ID: 8991369
Filing Date: 2015-03-31
Classification: F02M

Abstract:
1. A device for cooled recirculation of exhaust gas of an internal combustion engine charged with the aid of an exhaust gas turbocharger, the internal combustion engine having a fresh gas system and an exhaust gas system, the device comprising: an exhaust gas recirculation line connecting a two-stage exhaust gas cooler to the fresh gas system and the exhaust gas system, the exhaust gas recirculation line being connected to an exhaust gas collecting line of the exhaust gas system in a direction of flow upstream from the turbine of the exhaust gas turbocharger; an exhaust gas recirculation valve connected in the exhaust gas recirculation line upstream from a first stage of the exhaust gas cooler; and a nonreturn valve inserted into a continuation line to a second stage of the exhaust gas cooler, the recirculation line opening into the fresh gas system downstream from the second stage of the exhaust gas cooler.