Patent ID: 9103300
Filing Date: 2015-08-11
Classification: F02D,F02M,F28D,Y02T

Abstract:
1. Exhaust gas cooler for an exhaust gas recirculation system, particularly of a motor vehicle, having a total cooling power (Pc) and a total pressure loss coefficient (DG), comprising: at least one cooling portion having at least one cooling duct and at least one additional duct; at least one bypass bypassing one of the at least one cooling portion; and an exhaust gas routing device having at least one closing member; the at least one cooling duct having a first cooling power (P the first cooling power (P wherein the total cooling power (PG) coefficient and the total pressure loss coefficient (DG) increase, when the closing member nearly prevents flowing of the exhaust gas in the additional duct, wherein the at least one cooling portion includes two cooling portions connected via the exhaust gas routing device, and wherein the cooling duct is provided with a cooling member that is formed wavelike and extends over the whole length of the cooling duct, and no cooling member is provided in the additional duct.