Abstract: A flat tube for a heat exchanger, with two open ends defining its longitudinal direction, may include a first wall and a second wall which are flat and parallel to each other, thereby delimiting the inner space of the tube. The flat tube may include an inner fin located between the first and the second walls. One of the lateral sides of the first wall may include a main fold running along the longitudinal direction, wherein arms of the main fold form a slit facing the inner space of the tube, and the lateral side of the second wall is bent to cover the main fold.

Abstract: A method for managing a thermal management device for a motor vehicle is disclosed. The device has a refrigerant circuit that circulates a refrigerant fluid. The circuit includes a main loop having, in the direction of circulation of the fluid, a compressor, a condenser configured to exchange heat energy with a first element, a first expansion device and a first evaporator configured to exchange heat energy with a second element. The device operates in a mode of strict cooling of the third element in which the condenser transfers heat energy to the first element and only the second evaporator absorbs heat energy from the third element. The method includes managing the open diameter of the first expansion device as a function of the ambient temperature so that the refrigerant fluid circulates inside the first evaporator, the open diameter of the first expansion device decreasing as the ambient temperature of the first element increases.

Abstract: Metal electrical connector (1) for flexible electrically conductive strip (2) extending along a longitudinal axis (A), said conductive strip (2) comprising: —a flexible support layer (3) comprising a first face and a second face opposite the first face, and —a conductive path (4) arranged on the first face of the flexible support layer (3), said electrical connector (1) comprising: —a base (10) having a generally parallelepiped shape and configured to cover a portion of the conductive strip (2), said base (10) comprising at least one leading edge (101) intended to face the conductive strip (2) perpendicular to the longitudinal axis (A), —connecting teeth (12a, 12b) configured to pass through the conductive path (4) and the flexible support layer (3), —a connecting member (11) projecting from one of the edges of the base (10) other than the leading edge (101), the leading edge (101) of the base (10) having an inwardly curved profile over the width of the base (10).

Abstract: A system for managing the air of a front-end air inlet of a motor vehicle may include at least one flap and a holding frame for holding the at least one flap. The flap may include a pivot pin for pivoting the flap. A support with at least one bearing may receive the pivot pin and a closing element for closing the bearing. A control device may control the movement of the flap between a sealed position in which the air inlet is sealed and at least one open position in which the air inlet is open by pivoting the pivot pin in a region of the bearing. The flap may include an actuating finger for actuating the flap, integral in movement with a rod controlled by the control device. The closing element forms a guide for the rod.

Abstract: The invention relates to a cooling device (2) of a plurality of battery elements (103) of a motor vehicle, wherein the cooling device (2) comprises a first housing accommodating a plurality of battery element stages (103), each battery element stage (103) being equipped with a condenser (3) provided with a cooling fluid circuit (4), the condenser (3) being associated with at least one dielectric fluid circuit (5) that is configured to project a dielectric fluid onto the battery elements (103) of a same stage and a recovery tank (108) of the dielectric fluid that is common to the plurality of battery element stages (103), the cooling device (2) comprising recirculation means (117) of the dielectric fluid, which are provided with a pump (115) and which connect the recovery tank (108) to a dielectric fluid inlet (23) which the dielectric fluid circuit (5) comprises.

Abstract: The invention relates to a heating structure (30) which is intended in particular to be installed inside a passenger compartment of a vehicle, the heating structure (30) comprising at least one resistive layer arranged to release heat when an electric current passes through this layer (36), this panel further comprising art electrode array comprising a plurality of contact electrodes (34) arranged to be in electrical contact with the resistive layer in order to Sallow electric current to flow through this resistive layer.

Abstract: The present invention relates to a damper door (1) having an axis of rotation (3), a first face (5), and a second face opposite the first face (5), said first (5) and second faces of the damper door (1) defining a plane, said damper door (1) comprising: • a rotation shaft (9) projecting from each side of the plane defined by the first (5) and second faces of the damper door (1), and • at least one side wall (11) having a flat surface arranged radially with respect to the rotation shaft (9), characterised in that the rotation shaft (9) has, in the plane of the at least one side wall (11), a semi-elliptical shape (13) extending over the side wall (11) and comprising a large diameter (G1) coinciding with the axis of rotation (3) of the damper door (1) and a small radius (P1) parallel to the plane of the at least one side wall (11).

Abstract: The invention concerns a method for managing a thermal management device (1) for a motor vehicle, comprising the following steps: —increasing the speed of rotation of the compressor (3) to its maximum speed, —determining a modified setpoint temperature (T15-sp3) of the third element (300) greater than the first setpoint temperature (T15-sp1), so that the temperature of the second element (200) at the outlet of the first evaporator (11) tends towards its setpoint temperature (T11-sp), —adjusting the opening diameter of the second expansion device (13) so that the temperature of the third element (300) at the outlet of the second evaporator (15) reaches a modified setpoint temperature (T15-sp3), until the temperature of the second element (200) at the outlet of the first evaporator (11) reaches the setpoint temperature (T11-sp). The invention further relates to the thermal management device (1) for implementing said management method.

Abstract: The present invention relates to a refrigerant/heat transfer liquid heat exchanger (10) comprising at least one stack of plates (105b, 105c, 105d, 105e, 105f) defining at least two heat exchange compartments (41, 42) that are sealed from each other, namely a first heat exchange compartment (41) that includes a first refrigerant circulation path (21a) and a first heat transfer liquid circulation path (22a), and a second heat exchange compartment (42) that includes a second refrigerant circulation path (21b) and a second heat transfer liquid circulation path (22b). At least one of the circulation paths (21a, 22a) of the first heat exchange compartment (41) and one of the circulation paths (22a, 22b) of the second heat exchange compartment (42) are at least partially delimited by a single plate (105b, 105c, 105d, 105e, 105f).

Abstract: The invention relates to an electric fluid heating device (1) comprising: at least one fluid inlet (7), at least one fluid outlet (11), at least one heating element (13), at least one first temperature sensor (21) for measuring the temperature of said at least one heating element (13), and a control module (15) of the at least one heating element (13). According to the invention, the device (1) comprises at least a second temperature sensor (23) for measuring the temperature of the fluid at the at least one outlet (11), and the control module (15) comprises at least one processing means (17, 19, 35) for: using the temperature information (T21, T23) from the temperature sensors (21, 24), and for generating a command for the at least one heating element (13) according to the temperature information (T21, T23). The invention also relates to an associated heating circuit and method for managing the temperature.

Abstract: The invention relates to a cooling module (22) for a motor vehicle (10), comprising: ?—at least one heat exchanger (301-303) delimiting a surface, referred to as the working surface, ?—at least one first tangential-flow turbomachine (28-1) and a second tangential-flow turbomachine (28-2), each of said turbomachines (28-1, 28-2) being capable of creating an air flow in contact with said working surface, each of said turbomachines comprising a rotor rotating about an axis and a volute for housing the rotor, comprising an air guiding portion and an air outlet outside the turbomachine, said turbomachines (28-1, 28-2) being arranged such that the air outlet of the first turbomachine (28-1) is arranged opposite the guiding portion of the second turbomachine (28-2).

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 invention relates to a condenser (3) of a cooling device (2) of at least one battery element (103) of a motor vehicle, configured to liquefy a dielectric fluid deposited in the form of vapor at the surface of said condenser, characterized in that the condenser comprises at least one main wall (6) and a plurality of secondary walls projecting from the main wall and participating in forming a chamber for receiving one or more battery elements. The condenser comprises a cooling fluid circuit provided in the thickness of the main wall and at least one dielectric fluid circuit in liquid form provided in the thickness of at least one secondary wall, said electrical fluid circuit being equipped with at least one nozzle for projecting the dielectric fluid.

Abstract: Disclosed is a fixing device (4) for at least two heat exchangers (3) stacked in relation to each other and integrated in a heat exchange system (1) of a vehicle, characterised in that the fixing device (4) is a one-piece assembly comprising components (5) for retaining heat exchangers (3), on the one hand, and a flange (7) for fixing to a support frame (2) of the heat exchange system (1), on the other hand, said retention components (5) being arranged so as to project from a single base plate. The invention also claims a heat exchange system (1) comprising at least two heat exchangers (3) and a fixing device (4) according to the invention.

Abstract: The present invention relates to a system (1) for managing the thermal comfort of a person, in particular on board a motor vehicle, this system being designed to use at least one state characteristic of the person and/or of their thermal environment, this characteristic being able to adopt a plurality of values, this system being designed to: acquire, using a sensor, data relating to the person and/or to their thermal environment, this sensor being in particular a camera designed to acquire an image of the person and/or of their thermal environment, evaluate, on the basis of these acquired data, the probability of the state characteristic adopting a first value by associating a first confidence level with this first value.

Abstract: The present invention concerns a cooling assembly (100) for a motor vehicle, comprising at least one first heat exchanger (110) extending mainly in a first plane (P1), at least one second heat exchanger (120) extending mainly in a second plane (P2) and at least one protective grid (136) for protecting the second heat exchanger (120), the first heat exchanger (110) and/or the second heat exchanger (120) being earned by a frame (130), characterised in that the at least one protective grid (136) of the second heat exchanger (120) forms a one-piece part with the frame (130).

Abstract: The present invention relates to a method for controlling a thermal management device (1) of a motor vehicle comprising a refrigerant-fluid circuit comprising a compressor (3), a first heat exchanger (5), an expansion device (7) and the second heat exchanger (9), said thermal management device (1) further comprising an electric heating device (60), said control method involving, upon a starting of the thermal management device (1) from cold, the following steps: direct or indirect heating of the internal air flow (20) by the electrical heating device (60) alone until said internal air flow (200) reaches a target temperature and/or until a predetermined timer has run out, —when the internal air flow (200) has reached its target temperature and/or when the timer has run out, starting the compressor (3) so that the refrigerant-fluid circuit draws heat energy from the external air flow (100) at the second heat exchanger (9) and gives up said heat energy at the first heat exchanger (5).

Abstract: The invention relates to a connection interface (20) for a connection assembly (10) for connecting refrigerant tubes in a cooling assembly of a motor vehicle electrical storage device, the connection assembly (10) comprising at least one flange (18) made integral with a heat exchange member (4), said connection interface (20) being arranged at end portions (24) of refrigerant fluid tubes to be connected to said heat exchange member, characterised in that the connection interface (20) comprises a first portion (50) integral with the end of each of the tubes (12) and a second portion (52) mounted freely around the tubes, the second portion comprising openings (64, 66) for passing the tubes dimensioned to allow a clearance for relative movement therebetween of the two portions (50, 52) of the connection interface (20), at least in a plane perpendicular to a direction of elongation of the end portions of the tubes, the connection interface (20) being configured to engage with a securing member (36) capable of set

Abstract: The invention relates to a temperature control device, in particular a cooling device, for an electrical component prone to releasing heat during operation, in particular for an electrical energy storage module, said device comprising an upper plate and a lower plate that is assembled with said upper plate to jointly form a plurality of ducts for the circulation of a heat transfer fluid, in particular a refrigerant fluid, in particular a fluid selected from the refrigerant fluids R134a, R1234yf and R744; in said device, the ducts are grouped into groups of ducts, the ducts of a group extending substantially parallel to one another at a predetermined ‘intra-group distance’ between neighboring ducts; two groups of ducts in which the fluid flows in the same direction being separated from each other by at least one group of ducts in which the fluid flows in the opposite direction, wherein the device comprises a connector (550).

Abstract: The invention relates to a nebulizer system (1) for a motor vehicle. It comprises: a. at least one reservoir (10) for a liquid; b. at least one nebulization chamber (14) equipped with a nebulizer nozzle (3), said nozzle being equipped with a device (4) for emitting acoustic waves, for example a piezo-electric element (4), said nebulization chamber (14) being configured in such a way that the liquid coming from the reservoir (10) forms a jet (13) of liquid and a mist (12) of droplets, said mist being intended to enter a motor vehicle interior (2); c. at least one acoustic attenuation means (20). According to the invention, the acoustic attenuation means (20) comprises at least one grating (20).