Abstract: A method for controlling a system for air conditioning and/or heating, the system including a loop for the circulation of a refrigerant, with a first heat exchanger between the refrigerant and the inside air stream, a second heat exchanger between the refrigerant and the inside air stream or a heat transfer fluid, the method including selecting a mode for dehumidifying the inside air stream from a plurality of dehumidification modes, the selecting being implemented on the basis of maps, produced in advance, of at least humidity control parameters, selected from an actual temperature of the inside air stream upstream of the first heat exchanger, a temperature setpoint downstream of the second heat exchanger, a temperature setpoint downstream of the first exchanger, a flow rate of the inside air stream through the first exchanger, an ambient temperature of the air and/or a humidity of the air.

Abstract: The invention relates to a thermal conditioning system including a heat-transfer circuit, a refrigerant circuit including successively: a compressor, a first bi-fluid exchanger and a second bi-fluid exchanger arranged jointly on the refrigerant circuit and on a main loop of the heat-transfer circuit, a first expansion valve, a third bi-fluid exchanger arranged jointly on the refrigerant circuit and on a secondary loop of the heat-transfer circuit, a first branch of the heat-transfer circuit being configured so that the heat-transfer liquid leaving the first bi-fluid exchanger returns to the first bi-fluid exchanger without passing through the second bi-fluid exchanger, and including a second heat exchanger configured to exchange with a second air flow. A second branch connects the first branch to the main loop, and includes a third heat exchanger configured to exchange with the second air flow.

Abstract: Thermal conditioning system including a refrigerant circuit successively including: a compression device; a first two-fluid heat exchanger arranged on a first loop of a heat transfer liquid circuit; a second two-fluid heat exchanger arranged on a second heat transfer liquid loop; a first expansion device; a third two-fluid heat exchanger arranged on a third heat transfer liquid loop. The first loop has a first heat exchanger configured to exchange heat with a first air flow. The second loop has a second heat exchanger configured to exchange heat with a second air flow. The third loop has a third heat exchanger configured to exchange heat with the first air flow. The first loop includes a fourth heat exchanger configured to exchange heat with the second air flow.

Abstract: A thermal conditioning system for a motor vehicle, including a refrigerant circuit including a main loop including in succession: a compression device; a first heat exchanger; a first expansion device; a second heat exchanger; a third heat exchanger; a refrigerant accumulation device. An inner volume of a portion of main loop extending from an outlet of the first heat exchanger to an inlet of the first expansion device defines a first reference volume. An inner volume of the accumulation device defines a second reference volume. The ratio of the first reference volume and the second reference volume is greater than 0.2.

Abstract: The invention relates to a control process for an air conditioning system. The air conditioning system comprises a thermal loop (1) used as a heat pump and an electrical heating device (2). The process calculates a global heating capacity (HCglo) in function of the temperature chosen by the passenger, the speed of the blower and the temperature of the exterior air. Then, the process calculates a heating capacity (HC1) of the thermal loop (1) and compares this heating capacity (HC1) of the thermal loop to the global heating capacity (HCglo). If the global heating capacity (HCglo) is superior to the heating capacity (HC1) of the thermal loop, the process determines a heating capacity (HC2) of the electrical heating device (2). This heating capacity (HC2) of the electrical heating device (2) added to the heating capacity (HC1) of the thermal loop (1) allows to obtain the global heating capacity (HCglo) required in function of the temperature selected by the passenger.

Abstract: The invention relates to an air conditioning device (1) comprising elements (15,16,13,14,19,22,P1,P2;17) of an A/C loop (4) inside which circulates a cooling fluid FR, of a primary circuit (5) inside which circulates a coolant fluid FC and of a secondary circuit (6) inside which circulates a coolant liquid LC. The air conditioning device (1) comprises a support (100) on which the elements (15,16,13,14,19,22,P1,P2;17) are fixed.

Abstract: The invention relates to a distribution unit (22) that is able to manage the circulation of a cooling fluid FR in an A/C loop (4). The distribution unit (22) comprises nine inlets E1, E2, E3, E4, E5, E6, E7, E8, E9 of the cooling fluid FR inside the distribution unit (22) and four outlets S1, S2, S3, S4 of the cooling fluid FR outside the distribution unit (22). Each outlet S1, S2, S3, S4 is linked with at least two inlets E1, E2, E3, E4, E5, E6, E7, E8, E9.

Abstract: The invention relates to a heating, ventilating and/or air conditioning device (1) comprising an A/C loop (6) inside which a refrigerating fluid FR circulates and a secondary loop (10) inside which a cooling fluid FC circulates. The said device (1) comprising a first heat exchanger (8) between the refrigerating fluid FR and the cooling fluid FC, a second heat exchanger (9) between the refrigerating fluid FR and the cooling fluid FC. The secondary loop comprises a third heat exchanger (14) between the cooling fluid FC and the air, and a fourth heat exchanger (15) between the cooling fluid FC and the air. The secondary loop (10) comprises derivation means (22) of the cooling fluid FC from an outlet point (21) of the cooling fluid FC outside the third heat exchanger (14) and an inlet point (23) of the cooling fluid FC inside the fourth heat exchanger (15).