A heat exchanger housing for an exhaust gas heat recovery system or an exhaust gas cooler of a motor vehicle includes a first housing shell, which forms a side wall of the heat exchanger housing and at least one end piece that is on at least one end face of the first housing shell that delimits the heat exchanger housing. Both the first housing shell and the at least one end piece have an end face, and the end faces are directly opposite each other. A second housing shell forms several side walls of the heat exchanger housing. The first and second housing shells are soldered to one another and to the at least one end piece. Furthermore, a method for producing a heat exchanger is specified.

The present invention relates to a heat exchanger device for EGR (“Exhaust Gas Recirculation”) systems, with a constructive solution which minimizes thermal fatigue when boiling occurs. The invention is characterized by a specific configuration of the inner space of the shell divided into a first exchange sub-space and a second degassing space communicated with one another, and wherein the inlet and outlet ports are located at the end where the cold baffle is located.

An EGR cooler includes an elongated, stainless steel cooler housing with a first end having a stainless steel end plate and a second end opposite the first end, and an Inconel diffuser having an inlet end defining a gas inlet and an outlet end welded to the stainless steel end plate. The stainless steel end plate having a first thickness and the outlet end of the Inconel diffuser including a sidewall having a second thickness that is 50% or less of the first thickness.

An EGR cooler includes an elongated, stainless steel cooler housing with a first end having a stainless steel end plate and a second end opposite the first end, and an Inconel diffuser having an inlet end defining a gas inlet and an outlet end welded to the stainless steel end plate. The stainless steel end plate having a first thickness and the outlet end of the Inconel diffuser including a sidewall having a second thickness that is 50% or less of the first thickness.

A cooler for a vehicle that is configured to cool an exhaust gas exhausted from an engine of the vehicle includes: a cooler housing in which a coolant flow path and a plurality of tubes forming an exhaust gas flow path are formed. Each of the tubes includes micro fins that have a constant pattern formed along a length direction and are formed along an outer circumference surface of each of the tubes. A height of each of the micro fins is less than or equal to about 200 m.

A cooler for a vehicle that is configured to cool an exhaust gas exhausted from an engine of the vehicle includes: a cooler housing in which a coolant flow path and a plurality of tubes forming an exhaust gas flow path are formed. Each of the tubes includes micro fins that have a constant pattern formed along a length direction and are formed along an outer circumference surface of each of the tubes. A height of each of the micro fins is less than or equal to about 200 m.

An aluminum alloy heat exchanger for an exhaust gas recirculation system, obtained by brazing: a tube material comprising at least a core material made of aluminum alloy comprising 0.10 to 1.50% of Si, 0.05 to 3.00% of Cu, and 0.40 to 2.00% of Mn, and a sacrificial anticorrosion material made of aluminum alloy comprising 2.00 to 6.00% of Zn, with a Si content of less than 0.10%, clad on the inner side surface of the core material; and a fin material comprising a core material made of aluminum alloy comprising 0.10 to 1.50% of Si, and 0.40 to 2.00% of Mn, with a Zn content of less than 0.05%, and a brazing material clad on both surfaces of the core material, made of aluminum alloy comprising 3.00 to 13.00% of Si, with a Zn content of less than 0.05%.

An EGR cooler includes an elongated, stainless steel cooler housing with a first end having a stainless steel end plate and a second end opposite the first end, and an Inconel diffuser having an inlet end defining a gas inlet and an outlet end welded to the stainless steel end plate. The stainless steel end plate having a first thickness and the outlet end of the Inconel diffuser including a sidewall having a second thickness that is 50% or less of the first thickness.

An EGR cooler includes an elongated, stainless steel cooler housing with a first end having a stainless steel end plate and a second end opposite the first end, and an Inconel diffuser having an inlet end defining a gas inlet and an outlet end welded to the stainless steel end plate. The stainless steel end plate having a first thickness and the outlet end of the Inconel diffuser including a sidewall having a second thickness that is 50% or less of the first thickness.

A system for connecting housing elements of a device for heat transfer having a housing with a first housing element and a second housing element which are connectable with one another with face sides oriented toward one another and via a connection under form closure. Housing elements are herein in contact on another with side margins developed in proximity of front faces. The first latching elements are implemented as recesses each with a flat surface oriented in parallel to front face. On an outer side of side margin of first housing element between each first latching element and front face, a shaping is developed protruding from side margin, which comprises on a side facing first latching element a flat surface disposed in the plane spanned by flat surface of first latching element. Flat surfaces of first latching element and the shaping form a contiguous bearing area for second latching element.