Abstract: A heat exchanger for an air-conditioning circuit of a vehicle. The heat exchanger enables heat exchange between fluids and has a surfaces in contact with one of the fluids. The surface is formed from aluminum and/or from aluminum alloy. The surface is coated with an alumina layer and a reinforcing layer. The reinforcing layer includes an organic substance and a mineral substance. The organic substance includes at least one polymer and the mineral substance is capable of reacting with the aluminum in order to form an anticorrosion material.

Abstract: A heat exchanger for an air-conditioning circuit of a vehicle. The heat exchanger enables heat exchange between fluids and has a surface in contact with one of the fluids. The surface is formed from aluminum and/or from aluminum alloy. The surface is coated with an alumina layer and a reinforcing layer. The reinforcing layer includes an organic substance and a mineral substance. The organic substance includes at least one polymer and the mineral substance is capable of reacting with the aluminum in order to form an anticorrosion material.

Abstract: A heat exchanger for an air-conditioning circuit of a vehicle. The heat exchanger enables heat exchange between fluids and has a surfaces in contact with one of the fluids. The surface is formed from aluminum and/or from aluminum alloy. The surface is coated with an alumina layer and a reinforcing layer. The reinforcing layer includes an organic substance and a mineral substance. The organic substance includes at least one polymer and the mineral substance is capable of reacting with the aluminum in order to form an anticorrosion material.

Abstract: The present invention relates to a tube (1) with a reservoir of phase-change material for a heat exchange bundle (100) of a heat exchanger, said tube (1) with a reservoir of phase-change material including: two flow plates (3) which are configured to be assembled with one another in a fluid-tight fashion and form at least one duct (31) in which a first heat-transfer fluid flows between said flow plates (3), at least one reservoir plate (5) including cavities (51), said reservoir plate (5) being configured so that it can be assembled in fluid-tight fashion on an external face of one of the two flow plates (3) so as to close the cavities (51) and form housings for the phase-change material, said cavities (51) projecting from the external face of the reservoir plate (5) so that that a second heat-transfer fluid can circulate between said cavities (51).

Abstract: A connection device for a heat exchanger between a first fluid (L) and a second fluid (G), said device comprising a connector (30) and a lateral end panel (37) of a heat exchange bundle (14) of said exchanger, said lateral panel (37) including at least one connection element (38) comprising transversely aligned inlet/outlet openings (47, 47?), said connection element (38) allowing the first fluid to flow between the bundle and the inlet and outlet openings (34, 36) of the connector (30), aligned longitudinally or at an angle relative to said inlet/outlet openings (47, 47?) of the connection element (38), said connection element (38) and said connector (30) being of substantially the same length.

Abstract: A heat exchanger comprises a multiplicity of stacked plates having a thickness of less than 0.3 mm, each of which is provided with a male dished member (8) which delimits a fluid distribution zone (6, 7) in the exchanger (1). At least a first plate (3) and a second plate (4) each comprise a peripheral edge (25) which is assembled in a fluid-tight manner in order to form a fluid circulation pipe. The exchanger also comprises at least one insert (5) which is provided with a female dished member (9), and the male dished member (8) of the plates (3, 4) is configured to be introduced into the female dished member (9) of the insert (5) in order to ensure fixing between two adjacent fluid circulation pipes or between a side plate (15, 16) and an adjacent fluid circulation pipe.

Abstract: The present invention relates to a tube with a reservoir of phase-change material (1) comprising: two flow plates (3) configured to be assembled with one another, at least one reservoir plate (5) being configured to be assembled onto an external face of one of the two flow plates (3) so as to form housings, said tube with a reservoir of phase-change material (1) further comprising a filling duct (200), said filling duct (200) being formed, on the one hand, by a filling spout (201) of the reservoir plate (5) towards the outside and, on the other hand, by the external face of one of the two flow plates (3), said filling duct (200) further comprising a plug (210), said filling duct (200) and said plug (210) being contained within a volume of width smaller than or equal to the width of the tube with a reservoir of phase-change material (1) and of height less than or equal to the height of the housings.

Abstract: A tube (2) of a heat exchanger (1) is intended to allow an exchange of heat between a first fluid and a second fluid flowing in contact with the tube (2). The tube (2) comprises an upper plate (22) and a lower plate (21) positioned facing one another and defining an internal space (25) in the tube (2) in which the first fluid is able to circulate. Each of the plates (21, 22) comprises a bottom (23) and at least one edge (24). The plates (21, 22) are in contact with one another at the edge (24). The tube (2) comprises a deflection screen (30) secured to the edge (24), with the deflection screen (30) comprising a first wall (31) extending transversely to the bottoms (23) and arranged to deflect the second fluid toward the bottoms (23). The invention also relates to a bundle of such tubes and to a heat exchanger comprising such a bundle, and to a method for producing a heat exchanger tube plate.

Abstract: A heat exchanger (10) includes an assembly of plates (12) stacked in pairs in a longitudinal stacking direction (x) to form a heat exchanger body (14), designed for the circulation of a fluid, comprising a connection device (19) arranged at one extremity of the heat exchanger body (14) in the longitudinal stacking direction (x). The connection device (19) includes an end plate (20) and a cover (22) that can be assembled together to jointly delimit an inlet duct (24) and an outlet duct (26), respectively, to admit the fluid into the heat exchanger body (14) and discharge the fluid from the heat exchanger body (14).

Abstract: The present invention relates to a tube (1) with a reservoir of phase-change material for a heat exchange bundle (100) of a heat exchanger, said tube (1) with a reservoir of phase-change material including: two flow plates (3) which are configured to be assembled with one another in a fluid-tight fashion and form at least one duct (31) in which a first heat-transfer fluid flows between said flow plates (3), at least one reservoir plate (5) including cavities (51), said reservoir plate (5) being configured so that it can be assembled in fluid-tight fashion on an external face of one of the two flow plates (3) so as to close the cavities (51) and form housings for the phase-change material, said cavities (51) projecting from the external face of the reservoir plate (5) so that that a second heat-transfer fluid can circulate between said cavities (51).

Abstract: The invention relates to a manifold (10) for a heat exchanger (1), comprising a cover (31), an intermediary plate (41), and a collector plate (51), said manifold (10) being intended to collect and distribute a fluid. According to the invention, the intermediary plate (41) defines a first fluid chamber (11) with the cover (31) and a second fluid chamber (12) with the collector plate (51), said second chamber being independent of the first (11). The invention also relates to a heat exchanger (1) comprising such a manifold (10) and to a method for producing such a manifold (10).

Abstract: Evaporator, notably for motor vehicle air-conditioning circuit. According to the invention, the evaporator (1), which comprises three layers—upstream (2), intermediate (3) and downstream (4)—through which there flows a coolant that enters the evaporator (1) via the intermediate layer (3) and leaves the evaporator via the upstream layer (2) to cool an air flow (A) passing in succession across said upstream (2), intermediate (3) and downstream (4) layers, comprises means (5E) for inducing a pressure drop between the outlet of the intermediate layer (3) and the inlet of the downstream layer (4).

Abstract: A connection device for a heat exchanger between a first fluid (L) and a second fluid (G), said device comprising a connector (30) and a lateral end panel (37) of a heat exchange bundle (14) of said exchanger, said lateral panel (37) including at least one connection element (38) comprising transversely aligned inlet/outlet openings (47, 47?), said connection element (38) allowing the first fluid to flow between the bundle and the inlet and outlet openings (34, 36) of the connector (30), aligned longitudinally or at an angle relative to said inlet/outlet openings (47, 47?) of the connection element (38), said connection element (38) and said connector (30) being of substantially the same length.

Abstract: The invention relates to a heat exchanger, in particular an evaporator for an air-conditioning circuit of a vehicle, said exchanger enabling a heat exchange between a first fluid and a second fluid and having surfaces intended to come into contact with one of said fluids, said surfaces being formed from aluminum and/or from aluminum alloy and coated with an alumina layer and with a layer referred to as a reinforcing layer that reinforces the natural protection of the aluminum, said reinforcing layer comprising a portion of organic substances and a portion of mineral substances, said portion of organic substances comprising at least one polymer and said portion of mineral substances comprising at least one substance capable of reacting with the aluminum in order to form an anticorrosion material.

Abstract: The invention relates to a device (28) for coupling a heat exchanger, such as an evaporator (10), to an expansion valve (26), in particular for a vehicle, said exchanger and said expansion valve being provided with ports (18, 20, 22, 24) for the inlet/outlet of fluid, at least one (24) of the ports of the expansion valve not being aligned with one (18) of the ports of the exchanger, said device including a first part (30), intended for being assembled and seemed to the exchanger and/or the evaporator, said first part (30) being capable of defining, with at least one adjacent part, at least one first fluid passage intended for connecting said non-aligned ports (18, 24), said adjacent part being selected among a second part (32) of said device, said exchanger and/or said expansion valve.

Abstract: A tube (2) of a heat exchanger (1) is intended to allow an exchange of heat between a first fluid and a second fluid flowing in contact with the tube (2). The tube (2) comprises an upper plate (22) and a lower plate (21) positioned facing one another and defining an internal space (25) in the tube (2) in which the first fluid is able to circulate. Each of the plates (21, 22) comprises a bottom (23) and at least one edge (24). The plates (21, 22) are in contact with one another at the edge (24). The tube (2) comprises a deflection screen (30) secured to the edge (24), with the deflection screen (30) comprising a first wall (31) extending transversely to the bottoms (23) and arranged to deflect the second fluid toward the bottoms (23). The invention also relates to a bundle of such tubes and to a heat exchanger comprising such a bundle, and to a method for producing a heat exchanger tube plate.

Abstract: Evaporator, notably for motor vehicle air-conditioning circuit. According to the invention, the evaporator (1), which comprises three layers—upstream (2), intermediate (3) and downstream (4)—through which there flows a coolant that enters the evaporator (1) via the intermediate layer (3) and leaves the evaporator via the upstream layer (2) to cool an air flow (A) passing in succession across said upstream (2), intermediate (3) and downstream (4) layers, comprises means (5E) for inducing a pressure drop between the outlet of the intermediate layer (3) and the inlet of the downstream layer (4).

Abstract: The invention relates to a manifold (10) for a heat exchanger (1), comprising a cover (31), an intermediary plate (41), and a collector plate (51), said manifold (10) being intended to collect and distribute a fluid. According to the invention, the intermediary plate (41) defines a first fluid chamber (11) with the cover (31) and a second fluid chamber (12) with the collector plate (51), said second chamber being independent of the first (11). The invention also relates to a heat exchanger (1) comprising such a manifold (10) and to a method for producing such a manifold (10).

Abstract: A heat exchanger comprises a multiplicity of stacked plates having a thickness of less than 0.3 mm, each of which is provided with a male dished member (8) which delimits a fluid distribution zone (6, 7) in the exchanger (1). At least a first plate (3) and a second plate (4) each comprise a peripheral edge (25) which is assembled in a fluid-tight manner in order to form a fluid circulation pipe. The exchanger also comprises at least one insert (5) which is provided with a female dished member (9), and the male dished member (8) of the plates (3, 4) is configured to be introduced into the female dished member (9) of the insert (5) in order to ensure fixing between two adjacent fluid circulation pipes or between a side plate (15, 16) and an adjacent fluid circulation pipe.

Abstract: A heat exchanger (10) comprises an assembly of plates (12) stacked in pairs in a longitudinal stacking direction (x) to form a heat exchanger body (14), designed for the circulation of a fluid, comprising a connection device (19) arranged at one extremity of the heat exchanger body (14) in the longitudinal stacking direction (x). The connection device (19) includes an end plate (20) and a cover (22) that can be assembled together to jointly delimit an inlet duct (24) and an outlet duct (26), respectively, to admit the fluid into the heat exchanger body (14) and discharge the fluid from the heat exchanger body (14).