Abstract: A heat exchanger (1) comprising a heat-exchange core (2) in which a plurality of tubes (28) in which a second fluid circulates and a plurality of dissipation devices (30) between which a first fluid circulates are received, and at least one manifold (8) defining an internal volume (42) through which the first fluid passes and facing which is a foot (48) of said manifold (8), the heat exchanger (1) also comprising a connecting part (10) disposed between the heat-exchange core (2) and the manifold (8), the connecting part (10) comprising at least one tab (72) which extends in the internal volume (42) of the manifold (8) and so as to partially overlap the foot (48) of the manifold (8).

Abstract: A system for deactivating at least one predetermined cylinder of an operational multicylinder engine, with each cylinder including an intake duct with an inlet connected to the intake manifold and an outlet connected to the cylinder in order to allow the intake of combustion gases from the intake manifold to the cylinder, may include a first movable sealing means suitable for sealing the inlet of said intake duct of the predetermined cylinder, a recirculation duct suitable for connecting said intake duct of said predetermined cylinder to an exhaust gas supply, and a second movable sealing means suitable for sealing said recirculation duct.

Abstract: The present invention relates to a heat exchanger (1) comprising: a heat exchange core bundle (3) in which a first heat-transfer fluid circulates, at least one inlet tank (5a) or outlet tank (5b) for a second heat-transfer fluid, at least one collector (7) arranged on the periphery of the heat exchange core bundle (3) and comprising a lateral wall (75) of which at least two portions (77) are folded over so as to fix the tank (5a, 5b) by crimping against the heat exchange core bundle (3), the lateral wall (75) following the contour of at least one corner of the heat exchange core bundle (7), said lateral wall (75) comprising, on each side of the corner, a folded-over portion (77) and comprising in the region of said corner a non-folded-over portion (79), the folded-over portions (77) being connected continuously to the non-folded over portion (79).

Abstract: A system for deactivating at least one predetermined cylinder (1, 2, 3, 4) of an operational multicylinder engine, wherein each cylinder (1, 2, 3, 4) of said multicylinder engine comprises an intake duct with an inlet connected to the intake manifold (5) and an outlet connected to the cylinder (1, 2, 3, 4) in order to allow the intake of combustion gases from the intake manifold (5) to the cylinder (1, 2, 3, 4), the system comprising a first movable sealing means suitable for sealing the inlet of said intake duct of the predetermined cylinder (1, 2, 3, 4), a recirculation duct suitable for connecting said intake duct of said predetermined cylinder (1, 2, 3, 4) to an exhaust gas supply, and a second movable sealing means (10, 30) suitable for sealing said recirculation duct.

Abstract: A plate (30) for a heat exchanger (50) is stackable with another plate (30) of the heat exchanger (50) to form a pair of plates (30). The pair of plates (30) are arranged to permit the circulation of a fluid to be cooled between the pair of plates (30). The plate (30) exhibits an exchange zone (ZE) to encourage the exchange of heat with the fluid. The plate (30) also exhibits a bypass zone (ZBP) capable of allowing the fluid to bypass the exchange zone (ZE). The plate (30) comprises means (36, 37) originating from the plate (30) configured in such a way as to force a circulation of the fluid in the exchange zone (ZE). A core (52) of plates comprising a plurality of the plates (30), as well as a heat exchanger (50) comprising the core (52), are also disclosed.

Abstract: A heat exchanger for an automotive vehicle includes a core bundle for exchanging heat between fluids, a case for housing the core bundle, a container for collecting inlet fluid, and a container for collecting outlet fluid. The case presents at least an area for absorbing stress, adjacent to the inlet collection container, such that the case withstands mechanical stress exerted on the case when the fluid flows in the core bundle from the fluid inlet container to the fluid outlet container.

Abstract: A heat exchanger for heat exchange between at least two fluids, in particular for a motor vehicle, includes: a core (3) for heat exchange between the fluids, and a casing (5) for receiving the core and having at least one side opening. The exchanger further includes a cover (7) for closing the at least one opening in the casing (5), which is tightly connected to the core (3) and the casing (5) in order to form a non-separable unit assembly.

Abstract: A heat exchanger for heat exchange between at least two fluids, especially for a motor vehicle, comprises a bundle (7) for heat exchange between said fluids, and a housing (9) for receiving said bundle (7), said housing (9) having at least one raised edge (11). The heat exchanger also has a seal (15) of a rigid plastic material, said seal enveloping said at least one raised edge (11) and being designed to ensure the tightness between the exchanger and a container of said exchanger. The heat exchanger can also be included in an air intake device including such a heat exchanger and an air intake collector.

Abstract: The invention relates to a device for admitting inlet gases and/or recirculated exhaust gases into an internal combustion engine cylinder, the device comprising a duct designed to supply said cylinder with inlet gases and/or with recirculated exhaust gases, characterized in that said device further comprises, in the duct, a flow control means that can be operated between a first position in which said duct supplies the cylinder with the inlet gases and a second position in which said duct supplies the cylinder with the recirculated exhaust gases. It also relates to the intake module and to the engine equipped therewith.

Abstract: The invention relates to a device for mixing a stream of supercharging air and a stream of recirculated exhaust gases. The device comprises a manifold allowing the stream of air and the stream of recirculated gases to be mixed, and allowing the mixture to be distributed in the cylinder head. The device also comprises means for conveying the recirculated exhaust gases in the manifold that allow the distributed injection of the recirculated exhaust gases into the stream of supercharging air. The device additionally comprises means for thermally insulating the conveying means in order to limit the cooling of the recirculated exhaust gases by the supercharging air.

Abstract: The present invention relates to a heat exchanger (1) comprising: a heat exchange core bundle (3) in which a first heat-transfer fluid circulates, at least one inlet tank (5a) or outlet tank (5b) for a second heat-transfer fluid, at least one collector (7) arranged on the periphery of the heat exchange core bundle (3) and comprising a lateral wall (75) of which at least two portions (77) are folded over so as to fix the tank (5a, 5b) by crimping against the heat exchange core bundle (3), the lateral wall (75) following the contour of at least one corner of the heat exchange core bundle (7), said lateral wall (75) comprising, on each side of the corner, a folded-over portion (77) and comprising in the region of said corner a non-folded-over portion (79), the folded-over portions (77) being connected continuously to the non-folded over portion (79).

Abstract: The invention relates to a heat exchanger (1) for exchanging heat between a first and a second fluid, in particular for supplying the combustion engine of a motor vehicle with air, the heat exchanger comprising at least one heat-exchanging nest (5) through which flows the first fluid F1 and a casing (7) in which the heat-exchanging nest (5) is accommodated such that the second fluid F2 can flow therethrough. The heat-exchanging nest (5) comprises plates (23) for the circulation of the first fluid F1, the plates being stacked one on top of the other, at least one of the plates (23) having a rim (29) disposed between the heat-exchanging nest (5) and the casing (7) so as to restrict the second fluid F2 in its flow about the nest.

Abstract: A control device for a flow of intake gas and/or recirculated exhaust gases in a cylinder of an internal combustion engine, and for an intake module comprising at least one pipe which is arranged so as to supply the cylinder is disclosed. The control device comprises a means for sealing, and a means for deactivating at least one pipe which is able to be controlled between a first position in which the pipe supplies the cylinder with the intake gases (F) and a second position in which the pipe supplies the cylinder with the recirculated exhaust gases. The means for sealing is configured so as to be displaced as a result of the difference in pressure between the intake and the exhaust on both sides of the means for sealing between a locked position of the means for deactivating in the first position, and a position of release of the means for deactivating.

Abstract: The invention relates to a cooling device for an engine (1) exhaust gas recirculation circuit, notably that of a motor vehicle, said circuit comprising a valve (2) for controlling the circulation of said gas, said device comprising a heat exchanger (3), known as the EGR exchanger, intended to allow an exchange of heat between the exhaust gases passing through said recirculation circuit and a coolant fluid, and means (4) of cooling said valve. According to the invention, said device comprises a cooling loop (5), known as a high-temperature cooling loop and configured so that said valve cooling means (4) have a first fluid passing through them, and a second cooling loop (12), known as a low-temperature cooling loop and configured so that the EGR exchanger (3) has passing through it a second fluid at a temperature lower than that of the first fluid.

Abstract: The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1, 26.2, 26.3, 26.4) having a cross section and a height extending through the thickness of the material. According to the invention, the cross sections and/or the heights of at least two of the injection ports (26.1, 26.2, 26.3, 26.4) are different.

Abstract: The invention relates to a heat exchanger (1) for the exchange of heat between a first and a second fluid, notably for supplying air to a motor vehicle combustion engine, comprising at least one heat exchange core bundle (5) through which the first fluid passes and a casing (7) in which said heat exchange core bundle (5) is housed so that the second fluid can pass through it, said heat exchanger (1) comprising at least one seal (9) placed between said heat exchange core bundle (5) and said casing (7) so as to limit the extent to which the second fluid can bypass the core bundle (5).

Abstract: The invention relates to a device for admitting inlet gases and/or recirculated exhaust gases into an internal combustion engine cylinder, the device comprising a duct designed to supply said cylinder with inlet gases and/or with recirculated exhaust gases, characterized in that said device further comprises, in the duct, a flow control means that can be operated between a first position in which said duct supplies the cylinder with the inlet gases and a second position in which said duct supplies the cylinder with the recirculated exhaust gases. It also relates to the intake module and to the engine equipped therewith.

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: The invention relates to a control device for a flow of intake gas and/or recirculated exhaust gases in a cylinder of an internal combustion engine, and for an intake module comprising at least one pipe which is arranged so as to supply the cylinder. The control device comprises a sealing means, and a means for deactivating at least one pipe which is able to be controlled between a first position in which the pipe supplies the cylinder with the intake gases (F) and a second position in which the pipe supplies the cylinder with the recirculated exhaust gases. The sealing means is configured so as to be displaced as a result of the difference in pressure between the intake and the exhaust on both sides of the sealing means between a locked position of the deactivation means in the first position, and a position of release of the deactivation means.

Abstract: A heat exchanger includes a housing designed to envelop a heat-exchange core bundle. The housing includes an opening that allows the heat-exchange core bundle to be housed inside the housing. The heat-exchange core bundle includes a first end designed to plug the opening of the housing when the heat-exchange core bundle is inserted inside the housing, and a second end of the heat-exchange core bundle, opposite the first end, with at least one fastening means in the form of a peg, for fastening the second end of the heat-exchange core bundle to the wall of the housing.