Abstract: The invention relates to a header tank (5) for a mechanically assembled heat exchanger, notably for a motor vehicle, said exchanger (1) comprising a mechanically assembled heat-exchange core bundle (3) and comprising at least one row of tubes (31) with two end tubes (31) one at each end of said at least one row, the tubes (31) respectively comprising an end (311) intended to open into an interior volume of the header tank (5). According to the invention, the header tank (5) comprises at least one end stop (55) configured to be positioned facing an internal surface of the end (311) of an associated end tube (31) and to collaborate with said internal surface in such a way as to prevent said tube (31) from moving in the direction of the interior volume of the header tank (5).

Abstract: The invention relates to a header tank (5) for a mechanically assembled heat exchanger, notably for a motor vehicle, said exchanger (1) comprising a mechanically assembled heat-exchange core bundle (3) and comprising at least one row of tubes (31) with two end tubes (31) one at each end of said at least one row, the tubes (31) respectively comprising an end (311) intended to open into an interior volume of the header tank (5). According to the invention, the header tank (5) comprises at least one end stop (55) configured to be positioned facing an internal surface of the end (311) of an associated end tube (31) and to collaborate with said internal surface in such a way as to prevent said tube (31) from moving in the direction of the interior volume of the header tank (5).

Abstract: The invention relates to a heat exchanger comprising: at least one row of tubes (2), at least one fin (4) disposed transversely to said row of tubes (2), the tubes being connected to the fin (4) by clamping the tubes (2) in a collar (6) formed in the fin (4); and at least one row (10) of louvers (12), said row (10) being formed in the fin (4) and interposed between two tubes (2) in the row of tubes. With the fin (4) having a flat rectangular overall shape, the ratio between the number of louvers (12) and the width of the fin (4) is between 0.73 and 1.13.

Abstract: The present invention relates to a thermal battery having an enclosure (2) containing a bundle (3) comprising tubes (3?) of encapsulated phase change material, the bundle (3) being formed by a stack of banks of tubes (3?), said banks comprising tubes (3?) placed parallel to one another and being connected by bracing and supporting bars (5), said bars (5) comprising, on at least one of their faces, individual housings separated from one another by a lateral wall, each housing being capable of receiving one tube (3?).

Abstract: A thermal battery having an enclosure including a fluid inlet and outlet. Between the inlet and outlet are tubes of encapsulated phase-change material. The tubes are arranged parallel to each other, and include radial spacers for spacing the tubes apart, such that the radial spacers of each of any two given contiguous tubes are longitudinally and radially offset from one another so as to allow fluid to circulate.

Abstract: A thermoelectric device may include a casing of tubular shape in which extends a plurality of modules of thermoelectric elements extending parallel to a longitudinal axis of the casing. Additionally, each module may include a plurality of thermoelectric elements having a cylinder or right prism shape with a central opening, a first fluid circulating through the central opening, and a second fluid circulating around the exterior periphery, and an enclosure capping said thermoelectric elements. Further, the enclosure may include at least an intake for the second fluid and a discharge for said second fluid. Furthermore, a number and dimensions of said thermoelectric element modules is optimized as a function of the ratio between a volume of the thermoelectric elements and a volume of the casing, a thickness of the enclosure and a distance between two adjacent modules.

Abstract: The present invention relates to a thermal battery (1) comprising an enclosure (3) comprising a fluid inlet and outlet and comprising within it tubes (5) of encapsulated phase-change material, said thermal battery (1) further comprising a device (7) for holding and spacing the tubes (5) of encapsulated phase-change material, said holding and spacing device (7) being arranged between the tubes (5) themselves and between the tubes (5) and the enclosure (3), said holding and spacing device (7) being porous.

Abstract: The invention concerns a header (10) for a heat exchanger of a motor vehicle, configured to receive heat exchange tubes (12). The header comprises: a metal plate (18) through which the tubes (12) pass and which has two longitudinal edges (26) for crimping of the header (10) to a header box (16), and a plate (22) comprising a polymer material placed above the metal plate (18) and provided with openings (42) for receiving the tubes (12).

Abstract: The present invention concerns a thermoelectric device (1) comprising a casing (3) of tubular shape in which extends a plurality of modules (2) of thermoelectric elements (8) extending parallel to the longitudinal axis of the casing (3), each module (2) being constituted of: a plurality of thermoelectric elements (8) having a cylinder or right prism shape with a central opening, a first fluid being intended to circulate through the central opening, and a second fluid being intended to circulate around the exterior periphery, and an enclosure (10) capping said thermoelectric elements (8) and including at least an intake (11) for the second fluid and a discharge (12) for said second fluid, the number and the dimensions of said thermoelectric element modules (2) being optimized as a function of the ratio between the volume of the thermoelectric elements (8) and the volume of the casing (3), the thickness of the enclosure (10) and the distance between two adjacent modules (2).

Abstract: The present invention concerns a thermoelectric module comprising at least one plurality of cylindrical thermoelectric elements (1n,1p) comprising a circular central opening receiving a central tube (5), a first fluid being intended to circulate through the central tube (5) and a second fluid being intended to circulate around the exterior periphery, a so-called interior tubular electrode (9) fastened to an interior face of each thermoelectric element (1n,1p), a so-called exterior tubular electrode (7) fastened to the exterior face of each thermoelectric element (1n,1p), and fins (2) extending from an exterior face of said thermoelectric element (1n,1p) and perpendicularly to the axis of its central opening, said central tube (5) being made of aluminum and having a wall thickness between 150 and 500 ?m inclusive.

Abstract: The invention relates to a heat exchanger (1) comprising at least one tube (2) for heat transfer fluid to flow through, connected to at least one heat dissipation fin (4). The fin (4) is made of expanded metal sheet.

Abstract: The invention relates to a heat exchanger comprising: at least one fin (4); at least one row of tubes (2), the tubes being connected to the fin (4) by clamping the tubes (2) in a collar (6) formed in the fin (4); and at least one row (10) of louvers (12), said row (10) being formed in the fin (4) and interposed between two tubes (2) in the row of tubes, each louver (12) comprising a blade (14) provided with a free edge (16) and a connecting edge (18) connecting the louver (12) to the fin (4). The connecting edge (18) of the blade (14) of at least the first louver (12) in the row (10) forms an upstream edge with respect to the air flow, the free edge (16) of the blade (14) forming the downstream edge.

Abstract: The invention relates to a heat exchanger comprising: at least one row of tubes (2), at least one fin (4) disposed transversely to said row of tubes (2), the tubes being connected to the fin (4) by clamping the tubes (2) in a collar (6) formed in the fin (4); and at least one row (10) of louvers (12), said row (10) being formed in the fin (4) and interposed between two tubes (2) in the row of tubes. With the fin (4) having a flat rectangular overall shape, the ratio between the number of louvers (12) and the width of the fin (4) is between 0.73 and 1.13.

Abstract: The present invention concerns a heat exchanger (1) comprising: a tube bundle (2) comprising a plurality of tubes (20) arranged parallel to each other and spacers (21) arranged between said tubes (20), a collector plate (4) comprising holes (43) respectively bordered by first flanges (44) into which ends (22) of the tubes (20) are inserted, the tube bundle (2) being brazed and the collector plate (4) comprising at least one compressible seal (41) forming second flanges (45), the second flanges (45) being compressed between the first flanges (43) and the ends (22) of the tubes (20) in order to provide a tight seal between said ends (22) of the tubes (20) and the corresponding first flanges (43).

Abstract: The invention concerns a fin of a heat exchanger, notably for a motor vehicle, comprising at least one orifice (22) of substantially longitudinal shape, intended to have passing through it a tube of the heat exchanger, said at least one orifice (22) being bordered by a flange (32) formed as an integral part of the fin. According to the invention, the flange (32) is produced with a shape substantially curved with respect to the general plane defined by the fin, such that it has a radius of curvature (R1, R2) between the general plane defined by the fin (20) and the top of the flange (32) and the top of the flange (32) projecting from the general plane defined by the fin (20), the radius of curvature of the flange being at a minimum (R1) at the ends of the associated orifice (22) and at a maximum (R2) in a substantially central region along the longitudinal axis of the associated orifice (22).

Abstract: The present invention relates to a thermal battery (1) comprising an enclosure (3) comprising a fluid inlet and outlet and comprising within it tubes (5) of encapsulated phase-change material, said thermal battery (1) further comprising a device (7) for holding and spacing the tubes (5) of encapsulated phase-change material, said holding and spacing device (7) being arranged between the tubes (5) themselves and between the tubes (5) and the enclosure (3), said holding and spacing device (7) being porous.

Abstract: The present invention relates to a thermal battery comprising an enclosure comprising a fluid inlet and outlet and comprising within it tubes (1) of encapsulated phase-change material, said tubes (1) being arranged parallel to the circulating flow of fluid, said tubes (1) comprising radial spacers (3) for spacing said tubes (1) apart.

Abstract: The present invention relates to an encapsulated phase-change material (1) comprising a phase-change material (3) contained within a tube (5), said tube (5) being made of plastic and that it has a sealing weld (9) at least at one of its ends.

Abstract: The present invention relates to a thermal battery (1) comprising an enclosure comprising a fluid inlet and outlet and comprising within it an encapsulated phase-change material in the form of at least one tube (3), at least one tube (3) being wound in a spiral within the enclosure.

Abstract: The invention relates to a heat exchanger, notably for a motor vehicle, said exchanger comprising a core bundle for the exchange of heat between a first and a second fluid, said core bundle comprising a plurality of tubes (3) and a header tank (2), said tubes (3) and said tank (2) allowing said first fluid to circulate between them, said exchanger further comprising a retaining plate (16) for holding said tubes (3), said plate (16) being fixed to said tank (2), said tank (2) comprising a collector plate (6) provided with orifices through which said tubes (3) pass, said collector plate (6) being made of plastic. The invention also relates to a method of manufacturing such an exchanger.