Abstract: Heat-energy exchange device having a first and a second plat heat exchanger, each plate heat exchanger being configured to allow exchanges of heat energy between at least two heat-transfer fluids at different temperatures. The exchange device further includes a distribution member sandwiched between the first and second plate heat exchangers, said distribution member including a series of channels made within it, said channels connecting inlets and outlets of heat-transfer fluid of the first and second plate heat exchangers to connection orifices positioned on said distribution member.

Abstract: The present invention relates to a heat exchanger for a motor vehicle, having a heat exchange bundle, at least one fluid connection block for entry or exit of at least one fluid in the heat exchange bundle and an end plate configured to interact with the at least one fluid connection block by means of an opening. At least one part of the fluid connection block is laterally offset with respect to a circulation wall of the end plate.

Abstract: The present invention relates to a heat exchanger for a motor vehicle, including a plurality of plates, the plates being stacked on top of one another along a stacking axis so as to form a bundle of plates, at least a first plate and at least a second plate which define a first circulation path configured for circulation of a first fluid, at least the second plate and at least a third plate which define a second circulation path configured for circulation of a second fluid, the bundle of plates having a first distribution chamber which supplies the first circulation path with first fluid, and a second distribution chamber which supplies the second circulation path with second fluid. The heat exchanger includes at least one purification device arranged in one of the distribution chambers.

Abstract: The present invention relates to a refrigerant/heat transfer liquid heat exchanger (11), in which said refrigerant/heat transfer liquid heat exchanger is a monoblock refrigerant/heat transfer liquid heat exchanger (11). The refrigerant/heat transfer liquid heat exchanger (11) comprises at least two heat exchange blocks (41, 42) which are sealed with respect to one another, including a first heat exchange block (41) having a first circulation path for a refrigerant (21a) and a first circulation path for a heat transfer liquid (22a) and a second heat exchange block (42) having a second circulation path for a refrigerant (21b) and a second circulation path for a heat transfer liquid (22b). The heat exchange blocks (41, 42) are joined via a partition plate (40).

Abstract: The present invention relates to a heat exchanger comprising a bundle for the exchange of heat between fluids, an endplate of said bundle provided with orifices for the distribution of fluid through the bundle, and an adapter unit with an external fluid circuit having one or more fluid-distribution ducts corresponding with one of said or with said distribution orifices of the endplate and being fixed by one face to the endplate, characterized in that the endplate comprises at least one semi-cutout held by crimping in a housing formed in the face of the unit in contact with the plate.

Abstract: The invention relates to a heat exchanger for carrying out a thermal exchange between a first fluid and a second fluid. The heat exchanger includes a plurality of chambers stacked in a longitudinal direction to form a thermal exchange bundle. At least one first chamber suitable for containing the first fluid is defined by a pair of first plates, and at least one second chamber suitable for containing the second fluid is defined by a pair of second plates. The second plates including openings in communication with the second chamber The first plates each include at least two primary openings and at least two secondary openings The two primary openings being in communication with the first chamber, and the two secondary openings being in communication with the openings of the second plates.

Abstract: A device (4) is for connection between a component (2) of an air-conditioning loop (1) and a heat exchanger (3), including at least one channel (6.1, 6.2) through which a fluid (9.1, 9.2) can flow. The device includes an inner part (11) having at least one collar (12.1, 12.2) at least partially defining a channel (10.1, 10.2) and capable of engaging with an opening (6.1, 6.2) of the exchanger (3), and an outer part (15) mounted against the inner part (11), having at least one end piece (16.1, 16.2) at least partially defining the channel (10.1, 10.2) and capable of engaging with an opening of the component (2). The invention also relates to a heat exchanger provided with the connection device (4).

Abstract: The invention relates to a heat exchanger for exchanging heat between a first (HP) and a second (BP) fluids. According to the invention, said exchanger comprises a plurality of modules (15,15a,15b,15c) respectively including an upper plate (17) and a lower plate (19) assembled so as to define, between said plates (17,19), an inner cavity (21) forming a first circulating channel for the first fluid (HP), wherein said exchanger further comprises a housing (3) in which said modules (15,15a,15b,15c) are assembled in order to form said exchanger while defining spaces (33) between said modules, said spaces forming second circulation channels for the second fluid (BP).

Abstract: The invention relates to a combined device (12) comprising a casing (26) made of an upper wall (27), a down wall (28) and a lateral wall (29). The said casing (26) accommodates an internal heat exchanger (5), a separation area (19) and an accumulation area (20). The casing (26) accommodates an internal component (30) which is made of: a partition wall (31) of the separation area (19) and the accumulation area (20), a confining wall (32) of the internal heat exchanger (5) versus the accumulation area (20), and a pipe (33) which is between the confining wall (32) and the partition wall (31).

Abstract: A heat exchanger for exchanging heat between a heat-transfer liquid and a refrigerant, in particular for a motor vehicle, is disclosed. The heat exchanger includes a housing and a unit for circulating the refrigerant, and defining blades for circulating the refrigerant superposed in a stacking direction, where the unit is disposed in the housing. The heat exchanger is configured to define a circuit for the flow of said heat-transfer liquid in the housing between the blades, such that a heat exchange can take place between the heat-transfer liquid and the refrigerant.

Abstract: The present invention relates to a heat exchanger comprising a bundle for the exchange of heat between fluids, an endplate of said bundle provided with orifices for the distribution of fluid through the bundle, and an adapter unit with an external fluid circuit having one or more fluid-distribution ducts corresponding with one of said or with said distribution orifices of the endplate and being fixed by one face to the endplate, characterized in that the endplate comprises at least one semi-cutout held by crimping in a housing formed in the face of the unit in contact with the plate.

Abstract: A connection module of a heat exchanger, in particular for a motor vehicle, is configured to connect the heat exchanger to a component of a fluid circuit and to carry a sensor suitable for measuring a quantity of the fluid. The connection module includes at least two fixing parts and complementary assembly means. The two fixing parts include a first fixing part arranged on a defined axis and configured to form a mechanical support for the component and a second fixing part configured to carry the sensor. The complementary assembly means is carried on the one hand by the first fixing part and on the other hand by the second fixing part and is configured to allow assembly of the second part on the first part in at least two orientations of the second part with respect to the defined axis.

Abstract: A heat exchanger for a refrigerant circulating in a motor vehicle is disclosed. The exchanger has a first unit for circulating a first fluid defining first blades for circulating the first fluid and a second unit for circulating a second fluid defining second blades for circulating the second fluid. The blades are layered in a stacking direction of said blades such that an exchange of heat can take place between the first and second fluids, where the units permit the first fluid to circulate while avoiding the second unit, and permitting the second fluid to circulate while avoiding the first unit.

Abstract: The invention relates to a heat exchange unit between a first and a second fluid with the heat exchange unit comprising: at least one interior duct (17) having a plurality of first longitudinal internal channels (21) for the circulation of the first fluid, a hollow exterior envelope (19) wherein is housed the interior duct (17), and at least two ribbed walls (19a) arranged on either side of the interior duct (17), in contact with the interior duct (17) and as well with the exterior envelope (19), in such a way as to delimit a plurality of second longitudinal channels (29) for the circulation of the second fluid, the second channels (29) extending substantially in parallel to the first channels (21). The invention also relates to a heat exchanger incorporating a heat exchange unit as well as a method of manufacturing such a unit.

Abstract: The invention relates to a heat exchanger for carrying out a thermal exchange between a first fluid and a second fluid. The heat exchanger includes a plurality of chambers stacked in a longitudinal direction to form a thermal exchange bundle. At least one first chamber suitable for containing the first fluid is defined by a pair of first plates, and at least one second chamber suitable for containing the second fluid is defined by a pair of second plates. The second plates including openings in communication with the second chamber The first plates each include at least two primary openings and at least two secondary openings The two primary openings being in communication with the first chamber, and the two secondary openings being in communication with the openings of the second plates.

Abstract: The invention relates to a pipe (2) of a heat exchanger (1) comprising a strip (9) bent about itself such as to define an internal volume (10) of the pipe (2). The strip (9) comprises first and second edge portions (15, 16) joined such as to divide the internal volume (10) into at least two channels. The first edge portion (15) has two distinct parts, referred to as first and second contact parts (18, 22), in contact with the second edge portion (16) and a third contact part (20), located between the first and second contact parts (18, 22). The third contact part (20) is in contact with a zone of the strip (9) opposite the second edge portion (16) across the internal volume (10) of the pipe (2). The invention also relates to a heat exchanger (1) incorporating such pipes (2).

Abstract: A heat exchanger transfers heat between a first fluid and a second fluid. The heat exchanger comprises a stack of plates comprising a last plate and a penultimate plate jointly delimiting an end chamber. The last plate is provided with at least one inlet for the second fluid and one outlet for the second fluid. The stack of plates defines an inlet passage for the second fluid and an outlet passage for the second fluid. The end chamber houses a channeling means comprising an inlet circulation canal for channeling the second fluid between the inlet for the second fluid and the inlet passage for the second fluid, and an outlet circulation canal for channeling the second fluid between the outlet for the second fluid and the outlet passage for the second fluid.

Abstract: A device (4) is for connection between a component (2) of an air-conditioning loop (1) and a heat exchanger (3), including at least one channel (6.1, 6.2) through which a fluid (9.1, 9.2) can flow. The device includes an inner part (11) having at least one collar (12.1, 12.2) at least partially defining a channel (10.1, 10.2) and capable of engaging with an opening (6.1, 6.2) of the exchanger (3), and an outer part (15) mounted against the inner part (11), having at least one end piece (16.1, 16.2) at least partially defining the channel (10.1, 10.2) and capable of engaging with an opening of the component (2). The invention also relates to a heat exchanger provided with the connection device (4).

Abstract: The invention relates to a heat exchanger for exchanging heat between a first (HP) and a second (BP) fluids. According to the invention, said exchanger comprises a plurality of modules (15,15a,15b,15c) respectively including an upper plate (17) and a lower plate (19) assembled so as to define, between said plates (17,19), an inner cavity (21) forming a first circulating channel for the first fluid (HP), wherein said exchanger further comprises a housing (3) in which said modules (15,15a,15b,15c) are assembled in order to form said exchanger while defining spaces (33) between said modules, said spaces forming second circulation channels for the second fluid (BP).

Abstract: The invention relates to a heat exchange unit between a first and a second fluid the heat exchange unit comprising: at least one interior duct (17) having a plurality of first longitudinal internal channels (21) for the circulation of the first fluid, a hollow exterior envelope (19) wherein is housed the interior duct (17), and at least two ribbed walls (19a) arranged on either side of the interior duct (17), in contact with the interior duct (17) and as well with the exterior envelope (19), in such a way as to delimit a plurality of second longitudinal channels (29) for the circulation of the second fluid, the second channels (29) extending substantially in parallel to the first channels (21). The invention also relates to a heat exchanger incorporating a heat exchange unit as well as a method of manufacturing such a unit.