Abstract: A heat exchanger with a heat-exchange core in which a first fluid and a second fluid circulate, at least one header tank configured to duct the second fluid from or to the heat-exchange core. The header tank has at least a shoulder oriented toward the outside of said header tank, and at least one header tank corner. At least one fastening member for fastening the header tank is positioned at least partly at the periphery of the heat-exchange core and includes at least one peripheral groove delimited by a base wall and a lateral wall and in which the shoulder of the header tank is at least partially housed. Part of the corner portion faces an upper face of the shoulder opposite to the groove of the fastening member and at a non-zero distance from this upper face so that a space is left between the corner portion and the upper face of the shoulder.

Abstract: Flat tube of a charge air heat exchanger, produced from at least one metal sheet that has been pressed to form an exchange plate, said pressing allowing a fluid inlet and a fluid outlet to be connected by a circuit through which a heat-transfer fluid circulates, said circuit comprising at least one metal insert placed within it and made from a material that creates a potential difference of 30 mV or more with the material of the flat tube.

Abstract: The invention relates to a plate for a heat exchanger, said plate comprising an edge (11) for coupling to another plate. According to the invention, said edge has at least one fusible component (20) for joining this coupling edge (11) to at least one casing wall, said at least one fusible component (20) being configured to be separated from the rest of said coupling edge by differential expansion/contraction between said plate and said at least one casing wall to which it is intended to be joined.

Abstract: The invention relates to a cover (1) suitable for installation at least facing a heat exchanger (28) between a feed gas flow for an internal combustion engine and a so-called coolant, said heat exchanger (28) comprising a bundle (32) and an area (33) for distributing the coolant in the bundle (32), characterized in that the cover (1) comprises a protrusion (2) suitable for limiting the circulation of the feed gas flow at the coolant distribution area (33).

Abstract: A heat exchanger for a motor vehicle is disclosed. The heat exchanger includes a bundle for a heat exchange between at least one first fluid and one second fluid, including first and second channels for the flow of the first fluid and of the second fluid, a housing for receiving the bundle, and a collector for the second fluid, including a collecting plate having openings into which the second channels lead, and at least one cover for closing the collector. The closing cover has a raised edge, and the collecting plate has a corresponding planar connecting portion adjacent to at least one peripheral edge of the collecting plate. The collecting plate has first openings having a first height and at least one second opening having a second height that is different from the first height.

Abstract: A heat exchanger, in particular a supercharging air cooler for a motor vehicle engine, comprises a housing (11) provided with a heat exchange bundle (3), a collector (13) of a cooling liquid circulating in the heat exchange bundle (3), and a collector plate (15) forming a side wall of the heat exchanger housing (11) and of the cooling liquid collector (13). The collector plate (15) is provided with orifices (27) communicating with the cooling liquid circulation pipes of the bundle (3). The collector plate (15) comprises a flat connecting part (33a, 35a) fixed to the cooling liquid collector (13) opposite edges of the orifices (27). The flat connecting part (33a, 35a) is contiguous to at least one of the edges.

Abstract: The invention relates to a heat exchanger (1), in particular for a motor vehicle, comprising a header tank (9a) and a bundle of tubes, said header tank (9a) comprising a collector plate (21), a cover (23) and a seal located between the collector plate (21) and the cover (23), said header tank (9a) being divided into two compartments (15a and 15b) by a transverse partition (17), said compartments (15a and 15b) being configured to communicate respectively with two parts of the bundle, said seal isolating said compartments (15a and 15b) from one another and partially closing off the opening of at least one tube, said partially closed-off tube (51), opening into said header tank (9a) near said transverse partition (17).

Abstract: The invention relates to a heat exchanger comprising a casing (2) inside which is housed, and fastened by brazing, a heat exchange assembly (3) comprising a stack of heat exchange plates, each plate (4) having at least one edge (14) for brazing to the casing (2). The heat exchanger is characterized by the fact that it includes means, called unfastening means (20, 21, 22, 23), designed to prevent the casing from being brazed to at least a portion of the edge (14) of at least one end plate (4E) of the stack (3). By virtue of the invention, the heat exchanger is more flexible and absorbs thermal stresses better.

Abstract: The invention concerns an intake housing 1 for an internal combustion engine, capable of receiving a heat exchanger for exchanging heat between a feed gas stream circulating in the housing and a coolant, wherein said intake housing 1 includes a space 3 for the circulation of the feed gas and a space 2 for receiving the heat exchanger, said receiving space 2 being defined by at least a first metal component 4, 5 including at least one extension 16, 17 that is in one piece with the first metal component 4, 5, said extension 16, 17 at least partially defining the space 3 for the circulation of the feed gas.

Abstract: A heat exchanger is disclosed. The heat exchanger has a heat exchange assembly which defines first circulation channels for the circulation of a gas to be cooled and second circulation channels for the circulation of a cooling liquid, and two gas intake and gas outlet collectors, respectively, which are assembled on two open faces of the heat exchange assembly, respectively, in which the first circulation channels open. A first collector is crimped to the heat exchange assembly and a second collector is soldered or welded to the heat exchange assembly.

Abstract: A flat tube of a charge air heat exchanger, produced from at least one metal sheet that has been pressed to form an exchange plate, the pressing allowing a fluid inlet and a fluid outlet to be connected by a circuit through which a heat-transfer fluid circulates. The circuit includes at least one fluid circulation path having at least two passes which are separated by a rib, where the rib has at least one zone of lower heat exchange between two adjacent passes of the fluid circulation path. Embodiments disclosed herein also relate to the method of manufacturing the flat tube and to the heat exchanger having such a flat tube.

Abstract: Flat tube of a charge air heat exchanger, produced from at least one metal sheet that has been pressed to form an exchange plate, said pressing allowing a fluid inlet and a fluid outlet to be connected by a circuit through which a heat-transfer fluid circulates, said circuit comprising at least one metal insert placed within it and made from a material that creates a potential difference of 30 mV or more with the material of the flat tube.

Abstract: The invention relates to a heat exchanger for a motor vehicle, including: a bundle for a heat exchange between at least one first fluid and one second fluid, including first channels for the flow of the first fluid, and second channels for the flow of the second fluid; a housing (5) for receiving said bundle; and a collector for the second fluid, including a collecting plate (37) having openings (53, 53?) into which the second channels lead, and at least one cover for closing the collector. According to the invention, the closing cover has a raised edge, and the collecting plate (37) has a corresponding planar connecting portion adjacent to at least one peripheral edge of the collecting plate (37). The collecting plate (37) has first openings (53) having a first height (h) and at least one second opening (53?) having a second height (h?) that is different from the first height (h).

Abstract: The invention relates to an insert intended to encourage the exchange of heat between a first fluid and a second fluid. The insert includes a concertina-folded plate for the circulation of the first fluid. The plate is intended to come into thermal contact with circulation channels for the second fluid. The plate includes a multiplicity of ridges able to divert the circulation of the first fluid from one direction of flow. The insert has an increasing density of ridges in the direction of flow. The invention also relates to a heat exchange bundle including a plurality of such inserts, as well as a heat exchanger for a cooling circuit comprising such a heat exchange bundle.

Abstract: A heat exchanger, in particular a supercharging air cooler for a motor vehicle engine, comprises a housing (11) provided with a heat exchange bundle (3), a collector (13) of a cooling liquid circulating in the heat exchange bundle (3), and a collector plate (15) forming a side wall of the heat exchanger housing (11) and of the cooling liquid collector (13). The collector plate (15) is provided with orifices (27) communicating with the cooling liquid circulation pipes of the bundle (3). The collector plate (15) comprises a flat connecting part (33a, 35a) fixed to the cooling liquid collector (13) opposite edges of the orifices (27). The flat connecting part (33a, 35a) is contiguous to at least one of the edges.

Abstract: A heat exchanger for cooling charge air comprises at least one flat tube for circulation of a fluid. The flat tube is formed by assembling a pair of plates (7) in such a way as to define a first circulation channel (23) and a second circulation channel (25). The circulation channels (23, 25) communicate with one another at one end to establish substantially “U”-shaped circulation path for the fluid. At least one plate (7) comprises at least one first rib (29) and one second rib (31). The first and second ribs (29, 31) are substantially “L”-shaped. The first rib (29) is arranged in the first circulation channel (23) and the second rib (31) is arranged in the second circulation channel (25). A flat tube and a plate for such a heat exchanger are also disclosed.

Abstract: The invention relates to a plate intended to enable an exchange of heat between a first and a second fluid circulating in contact with the plate, said plate being configured to define a circuit for the first fluid. According to the invention, said plate comprises one or a plurality of protuberances intended to penetrate into a plate for collecting the first fluid and defining an inlet into and/or an outlet from the circuit. The invention also relates to an array of such plates and to a heat exchanger comprising such an array.

Abstract: The invention concerns an intake housing 1 for an internal combustion engine, capable of receiving a heat exchanger for exchanging heat between a feed gas stream circulating in the housing and a coolant, wherein said intake housing 1 includes a space 3 for the circulation of the feed gas and a space 2 for receiving the heat exchanger, said receiving space 2 being defined by at least a first metal component 4, 5 including at least one extension 16, 17 that is in one piece with the first metal component 4, 5, said extension 16, 17 at least partially defining the space 3 for the circulation of the feed gas.

Abstract: A heat exchanger (1) comprises a plurality of stacked plates (4, 12, 14) inside a box (5). The plurality of stacked plates (4, 12, 14) enable an exchange of heat between a first and a second fluid (C, G) circulating in contact with the plurality of stacked plates (4, 12, 14). The plurality of stacked plates (4, 12, 14) comprise a stress area (70) intended to withstand heat variations that may cause mechanical stress. The heat exchanger (1) further comprises a reinforcement (71) that is in contact with the stress area (70) and the box (5).

Abstract: The invention relates to a plate (4, 12, 14) intended to allow an exchange of heat between a first fluid and a second fluid flowing in contact with the plate (4, 12, 14), said plate (4, 12, 14) being configured to define a circuit (8) comprising a plurality of successive passageways (71, 72, 73, 74), inside which the first fluid flows in one direction of flow, changing its direction of flow from one passageway to the other, each of said passageways (71, 72, 73, 74) having a flow section for the first fluid. According to the invention, the flow section of one passageway (71, 72, 73, 74), known as the upstream passageway, is larger than the flow section of another passageway (71, 72, 73, 74), known as the downstream passageway, which is situated downstream of the upstream passageway in the direction of flow of the first fluid in the circuit (8). The invention also relates to a heat exchanger equipped with such plates.