Abstract: A heat exchanger (1) for gases, in particular for the exhaust gases of an engine, comprising a bundle of tubes (2) arranged inside a casing (3), intended for the circulation of the gases in order to exchange heat with a coolant, at least one gas tank (6) that can be fitted to one end of the casing (3) and connected to the gas recirculation line, and a particle filter (7) for filtering the exhaust gases, associated with said gas tank (6). Said filter (7) is incorporated into the gas tank (6) and forms a single inseparable part that can be fitted to the casing (3) of the exchanger (1). Preferably, the filter (7) is incorporated into the gas tank (6) by welding. A filter which is fully incorporated into the gas tank in a single part is obtained, which therefore facilitates the assembly thereof to the exchanger casing.

Abstract: It comprises a plurality of parallel conduits (3) provided inside a housing (2), through which gases to be cooled flow in heat exchange with a cooling fluid, said conduits (3) being attached between two plates (7) fixed in both ends of said housing (2), and the housing (2), and the housing (2) and the plates (7) having an area substantially rectangular. It is characterized in that each plate (7) comprises dimples (9) arranged near to its perimeter area, said dimples (9) including nails (10) capable of being into contact with a peripherical area (11) of the housing (2). It is possible to immobilize the plates during handling and application of brazing paste.

Abstract: The invention concerns a method whereby a soldering joint is applied on one of the surfaces of a collector plate (2, 3) before inserting the ends of the tube to be assembled thereto, in the form of a flexible adhesive previously perforated to correspond to the holes (20) of the plate.