Patent ID: 8978629
Filing Date: 2015-03-17
Classification: F28D,F28F,Y02T

Abstract:
1. An exhaust gas recirculation cooling element for an internal combustion engine, comprising: a housing having coolant fittings, a heat exchanger insert having two closed sidewalls and two perforated sidewalls and at least peripherally surrounded by the housing, with the heat exchanger insert comprising a heat exchange unit arranged in the housing and including a plurality of cooling pipes having external cooling fins and configured for flow-through of a coolant, with the plurality of cooling pipes secured to the perforated sidewalls; guide channels for transporting the coolant from and to the plurality of cooling pipes, said guide channels configured as a gap disposed between the heat exchanger insert and the sidewalls of the housing; and a plurality of ribs for delimiting the guide channels, wherein the ribs are formed on the housing and oriented inwardly or are formed on the heat exchanger insert and oriented outwardly, wherein the ribs are oriented diagonally in the region of the closed sidewalls, so that the diagonal guide channels are formed for transferring the coolant to a coolant inlet side and from a coolant outlet side of the heat exchange unit along the closed sidewalls, and wherein the heat exchanger insert is exchangeable from the housing in a non-destructive manner.