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: Thermal regulation circuit for a vehicle, said circuit comprising first (2) and second (4) heat exchangers that are situated in series along a direction of circulation of an air flow intended to pass through them in this order, said circuit comprising a third heat exchanger (6) intended to be passed through by an ambient air flow, said circuit being configured to allow a refrigerant to circulate in series in the first (2) and third (6) heat exchangers and a heat-transfer fluid to circulate in the second heat exchanger (4).

Abstract: The present invention concerns a thermal management device comprising an indirect air-conditioning circuit (1) for a motor vehicle, comprising: a first refrigerant loop (A) comprising, in the direction of flow of the refrigerant, a compressor (3), a two-fluid heat exchanger (5), a first expansion device (7), a first heat exchanger (9) arranged inside a first heating, ventilation and air-conditioning device (X), a second expansion device (11), a second heat exchanger (13), and a first bypass duct (30) comprising a first stop valve (33), a first inner heat exchanger (19), a second inner heat exchanger (19?), a second bypass duct (40) comprising a third expansion device (17) arranged upstream from a first cooler (15), a third bypass duct (80) comprising a first additional heat exchanger (9?) arranged in a second heating, ventilation and air-conditioning device (Y), a second heat transfer fluid loop (B).

Abstract: A thermal management device having an indirect air conditioning circuit for a motor vehicle is disclosed. The device has a first refrigerant fluid loop (A) with a compressor, a two-fluid heat exchanger, a first expansion device, an evaporator, a second expansion device, an evaporator/condenser, and a first by-pass line including a first stop valve, a first and a second internal heat exchanger. A second by-pass line includes a third expansion device arranged upstream from a cooler, a shunt branch comprising a first external radiator. The device also has a second heat transfer fluid loop (B) in which a heat transfer fluid is intended to flow. The two-fluid heat exchanger is arranged jointly on the one hand on the first refrigerant fluid loop downstream of the compressor, between said compressor and the first expansion device, and on the second heat transfer fluid loop (B).

Abstract: A heat exchanger comprising a first manifold and a second manifold connected by a bundle of tubes, configured to provide at least an entry pass and an exit pass for a heat exchange fluid, further comprising an inlet port associated with the entry pass and an outlet port associated with the exit pass, wherein the exit pass is fluidically connected with the outlet port through a first opening, the first opening being connected with the outlet port through an additional channel outside of the manifolds, characterized in that the exit pass is further fluidically connected with the outlet port through a second opening so that the path for the heat exchange fluid to the outlet port is shorter from the second opening than from the first opening.

Abstract: The invention relates to a heat treatment system (1) for a vehicle, comprising a coolant circuit (2) and a heat transfer fluid loop (3), the heat transfer fluid loop (3) comprising at least one heat exchanger (12, 35) configured to dissipate heat in an air flow (18, 19), the coolant circuit (2) comprising, in this order and according to a direction of circulation of the coolant in the coolant circuit (2), at least one compression device (4), a first heat exchanger (5) which thermally couples the heat transfer fluid loop (3) with the coolant circuit (2), a device (6) for accumulation of the coolant, a first passage (8) of an internal heat exchanger (7), an expansion member (9), a second heat exchanger (10) arranged in order to be passed through by an air flow (19) external to a passenger compartment of the vehicle and a second passage (11) of the internal heat exchanger (7).

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: The invention relates to a vehicle thermal management system (1) comprising at least a refrigerant circuit (2), a loop (3) for heat-transfer liquid, and a first heat exchanger (5) which thermally couples the loop (3) for heat-transfer liquid with the refrigerant circuit (2), the loop (3) for heat-transfer liquid comprising at least one heat exchanger (12, 35) configured to dissipate heat energy into a flow (18, 19) of air, the refrigerant circuit (2) comprising at least a compression device (4), the first heat exchanger (5), a refrigerant accumulation device (6), a first expansion device (16) and a second heat exchanger (17) designed to have passing through it a flow (18) of interior air sent into the interior of the vehicle, characterized in that the refrigerant circuit (2) comprises a leg (20) arranged in parallel with the first expansion device (16) and with the second heat exchanger (17), said leg (20) comprising a second expansion device (21) and a third heat exchanger (22) able to be thermally coupled t

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 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 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: A heat exchanger having multiple segments is described. The heat exchanger includes a pair of manifolds, having tubes extending therein. Further, a first blocking element is provided in a manifold to divide the tubes into a first set of tubes and a second set of tubes having a fluid communication with each other. Further, a second blocking element is provided in the manifold, corresponding to the second set of tubes, to further divide the second set of tubes into a first segment of tubes and a second segment of tubes. Further, an inlet is provided on the manifold to introduce the heat exchange fluid to the first set of tubes. Further, a plurality of outlets provided on the manifold to receive the heat exchange fluid from the second set of tubes.

Abstract: A thermal management device having an indirect air conditioning circuit for a motor vehicle is disclosed. The device has a first refrigerant fluid loop (A) with a compressor, a two-fluid heat exchanger, a first expansion device, an evaporator, a second expansion device, an evaporator/condenser, and a first by-pass line including a first stop valve, a first and a second internal heat exchanger. A second by-pass line includes a third expansion device arranged upstream from a cooler, a shunt branch comprising a first external radiator. The device also has a second heat transfer fluid loop (B) in which a heat transfer fluid is intended to flow. The two-fluid heat exchanger is arranged jointly on the one hand on the first refrigerant fluid loop downstream of the compressor, between said compressor and the first expansion device, and on the second heat transfer fluid loop (B).

Abstract: The present invention concerns a thermal management device comprising an indirect air-conditioning circuit (1) for a motor vehicle, comprising: a first refrigerant loop (A) comprising, in the direction of flow of the refrigerant, a compressor (3), a two-fluid heat exchanger (5), a first expansion device (7), a first heat exchanger (9) arranged inside a first heating, ventilation and air-conditioning device (X), a second expansion device (11), a second heat exchanger (13), and a first bypass duct (30) comprising a first stop valve (33), a first inner heat exchanger (19), a second inner heat exchanger (19?), a second bypass duct (40) comprising a third expansion device (17) arranged upstream from a first cooler (15), a third bypass duct (80) comprising a first additional heat exchanger (9?) arranged in a second heating, ventilation and air-conditioning device (Y), a second heat transfer fluid loop (B).

Abstract: The invention relates to a heat-transfer liquid circuit (1) for an electric vehicle driven at least in part by an electric motor, the circuit (1) comprising a first leg (10) which comprises at least a pump (11), a first heat exchanger (12) configured to exchange heat energy between the heat-transfer liquid and a refrigerant fluid, an electric-heating device (13) and a second heat exchanger (14) configured to exchange heat energy between the heat-transfer liquid and a flow of air dispatched towards the interior of the vehicle, the circuit (1) comprising a second leg (20) mounted in parallel with the first leg (10), the second leg (20) comprising a third heat exchanger (21) thermally coupled to a component of an electric drivetrain of the vehicle, the circuit (1) comprising a third leg (30) arranged in parallel with the first leg (10) and connected to the latter by a heat-transfer liquid distribution member (15).

Abstract: The invention relates to a vehicle thermal management system (1) comprising at least a refrigerant circuit (2), a loop (3) for heat-transfer liquid, and a first heat exchanger (5) which thermally couples the loop (3) for heat-transfer liquid with the refrigerant circuit (2), the loop (3) for heat-transfer liquid comprising at least one heat exchanger (12,35) configured to dissipate heat energy into a flow (18,19) of air, the refrigerant circuit (2) comprising at least a compression device (4), the first heat exchanger (5), a refrigerant accumulation device (6), a first expansion device (16) and a second heat exchanger (17) designed to have passing through it a flow (18) of interior air sent into the interior of the vehicle, characterized in that the refrigerant circuit (2) comprises a leg (20) arranged in parallel with the first expansion device (16) and with the second heat exchanger (17), said leg (20) comprising a second expansion device (21) and a third heat exchanger (22) able to be thermally coupled to

Abstract: The invention relates to a heat treatment system (1) for a vehicle, comprising a coolant circuit (2) and a heat transfer fluid loop (3), the heat transfer fluid loop (3) comprising at least one heat exchanger (12, 35) configured to dissipate heat in an air flow (18, 19), the coolant circuit (2) comprising, in this order and according to a direction of circulation of the coolant in the coolant circuit (2), at least one compression device (4), a first heat exchanger (5) which thermally couples the heat transfer fluid loop (3) with the coolant circuit (2), a device (6) for accumulation of the coolant, a first passage (8) of an internal heat exchanger (7), an expansion member (9), a second heat exchanger (10) arranged in order to be passed through by an air flow (19) external to a passenger compartment of the vehicle and a second passage (11) of the internal heat exchanger (7).

Abstract: The invention relates to a heat exchanger, said exchanger including a bundle of tubes (2), which enables an exchange of heat between a refrigerant circulating in said tubes (2) and an external airflow, and a first collector (4), said exchanger being configured so as to establish the serial circulation of the refrigerant among a first portion of said tubes (2) leading into a first portion (4a) of said first collector, said first collector (4), and a second portion of said tubes (2) leading into a second portion (4b) of said first collector (4). According to the invention, said first collector (4) includes a partition (12) configured to disrupt the circulation of the fluid between the first and second portions of said tubes (2). The invention is specifically for electric and/or hybrid motor vehicles.

Abstract: The invention relates to an assembly including a heat exchanger and a mounting on which the heat exchanger is mounted. The heat exchanger including a first channel for circulating a coolant supplied by a first collector provided with a first pipe in which the coolant can circulate. The heat exchanger also including a second channel for circulating the coolant supplied by a second collector provided with a second pipe in which the coolant can circulate. The first and second channels define a heat-exchange surface that extends in a substantially vertical plane. The first pipe is located in a lower half of the first collector along a first axis parallel to the plane of the heat-exchange surface, with the second pipe located above the first pipe along the first axis. The invention further relates to an air-conditioning loop including the above-described assembly.

Abstract: The present invention relates to a heat conditioning system for a motor vehicle, including: an air conditioning loop of a motor vehicle (B) in which a cooling fluid circulates and which includes a compressor (2), at least two heat exchangers (8,42) and at least one decompression device (24,26), a heat processing unit (U) of a battery (100) of the vehicle, which unit includes a heat processing means (46) which is capable of being in a heat exchange relation with the battery of the vehicle, in which the heat processing means is in a heat exchange relation with the air conditioning loop.