Abstract: The invention concerns a device for distribution of a refrigerant fluid in a header of a heat exchanger comprising at least two conduits (12, 13), an external conduit (12) and an internal conduit (13), with the internal conduit accommodated in the external conduit in such a manner as to form a volume (14) for communication between the internal conduit and the external conduit, the external conduit comprising spraying orifices (120) each having an axis (120A) intersecting a principal lengthwise axis (12A) of the external conduit, the internal conduit comprising at least one communication orifice having an axis intersecting a principal lengthwise axis of the internal conduit. According to the invention, the internal conduit (13) comprises a portion (16) of reduced thickness formed by removal of material from an external face of the internal conduit (13), the external face facing toward the external conduit (12).

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 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 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: The invention relates to a cooling module (22) for a motor vehicle (10) with an electric motor (12), comprising: —at least one heat exchanger (301-304); —at least one tangential-flow turbomachine (28) capable of creating an air flow that comes into contact with the plurality of heat exchangers (301-304); —a plurality of flaps (36P, 36A) movable between a first position, referred to as the position opening the cooling module (22), and a second position, referred to as the position closing the cooling module (22), said plurality of flaps (36P, 36A) occupying a portion of the cooling module not occupied by said at least one tangential-flow turbomachine (28).

Abstract: A cooling module (22) for a motor vehicle (10) with an electric motor (12) comprises a housing (24) defining a longitudinal channel opening at two ends (24a; 24b) of the housing (24), at least one heat exchanger (301-304) arranged in the channel, and at least one tangential-flow turbomachine (28) capable of creating an air flow in the channel. The housing (24) has a sacrificial region (40) intended to be deformed and/or to break preferentially in the event of an impact, the sacrificial region preferably being located in the vicinity of an end (24a; 24b) of the housing (24).

Abstract: The invention concerns an impeller (1a, 1b, 1c, 1d, 1e, 1f) of a motor vehicle fan comprising: a cylindrical ring (2) having a center (P), blades (3) extending from the cylindrical ring (2) and toward the center (P), each blade (3) having two radially opposite ends (4, 5), referred to as the blade root end (4) and the blade tip end (5), the blade root end (4) being directed toward the center (P) and the blade tip end (5) being secured to the cylindrical ring (2), characterized in that all the blade root ends (4) are free or linked together by a central hub (20) of reduced diameter.

Abstract: The invention concerns a device for thermal regulation (2), in particular cooling, for an electronic component (103), in particular a battery, the temperature of which must be controlled, the electronic component (103) being in particular capable of giving off heat during its operation, the thermal regulation device comprising at least one first circuit (4) configured to allow the circulation of a heat transfer fluid; at least one second circuit (5) configured to transport a dielectric fluid, this second circuit comprising at least one outlet for delivering the dielectric fluid towards the electronic component; at least one first circuit (4) and at least one second circuit (5) being arranged so that the first circuit is in thermal interaction with the fluid delivered via the at least one outlet of the second circuit.

Abstract: The invention relates to a device (200) for thermal processing of at least one electrical element placed in a chamber (120) and liable to get hot, the thermal processing device (200) comprising at least one first circuit configured to be passed through by a heat-transfer fluid and at least one second circuit configured to be passed through by a dielectric fluid, characterised in that the first circuit and the second circuit are at least partially bounded by a face placed facing the chamber (120). The invention also relates to an electrical device (100) comprising a casing (110), a plurality of electrical elements liable to get hot and a thermal processing device (200). The invention relates to a method for cooling a plurality of electrical elements liable to get hot of an electrical device (100).

Abstract: The invention relates to a device (2) for regulating the temperature of, and especially for cooling, an electrical component (103), especially a battery, the temperature of which must be regulated, said electrical component (103) especially being liable to give off heat during the operation thereof, the temperature-regulating device comprising at least one first circuit (4) configured to allow a heat-transfer fluid to flow; and at least one second circuit (5) configured to convey a dielectric fluid, this second circuit comprising at least one outlet for distributing the dielectric fluid in the direction of the electrical component; at least one first circuit (4) and at least one second circuit (5) being arranged so that the first circuit is in a heat-exchange relationship with the fluid distributed via the at least one outlet of the second circuit.

Abstract: The invention relates to a ventilation device for a motor vehicle, comprising at least one manifold (5-1, 5-2) for distributing air to the tubes (3), at least one turbomachine (26) being arranged in said at least one manifold (5-1, 5-2), said at least one turbomachine (26) comprising a cross-flow fan (26), said at least one manifold (5-1, 5-2) forming a volute (30) of the cross-flow fan (26).

Abstract: A battery comprising at least one row of energy storage cells (10), said row having a longitudinal extension direction, an upper side (12) and lateral sides (14) of the row being respectively defined by a series of upper (10a) and lateral (10b) faces of the cells (10) and spaces (11) separating said cells (10) in the longitudinal extension direction, the battery further comprising a dielectric fluid circuit (20), said circuit (20) comprising one or more spray orifices (22) of the cells (10), the one or more spray orifices (22) being flush with the upper side (12) of the row and/or being located facing at least one of the lateral sides (14) of the row so that the circuit (20) leaves the upper side (12) of the row free.

Abstract: The invention relates to a heat exchange module, comprising at least a first heat exchanger (101), and a ventilation device (1) intended to generate a flow of air, this ventilation device comprising at least one cross-flow fan (2) for setting in motion an air flow (F) and a guide means (3) comprising at least one air guiding element (5) configured to guide the air set in motion by the cross-flow fan (2), the first heat exchanger (101) and the ventilation device (1) being positioned relative to one another in such a way that an air flow (F) set in motion by the ventilation device (1) is fed into the heat exchanger (101) and, when the fan is in operation, this air is drawn in by the fan and this drawn-in air passes first of all through the heat exchanger before entering the cross-flow fan.

Abstract: The invention relates to a heat exchange module (402) for a motor vehicle, comprising: a first heat exchanger (404) comprising at least a first stage (404a) and a second stage (404b), said first heat exchanger being configured such that the first and the second stages are in fluid connection within the same cooling circuit (600) of the motor vehicle; a ventilation device (408) comprising at least one tangential fan (410) for setting in motion an air flow (F) intended to pass through the first heat exchanger (404), and wherein the first (404a) and second (404b) stages of the first heat exchanger (404) are arranged opposite each other, one behind the other with respect to the direction of flow of the air flow (F), so that the air set in motion by the tangential fan (410) successively passes through the first stage (404a) and then through the second stage (404b).

Abstract: The invention relates to a cooling radiator (1) intended to be incorporated in a motorized fan unit (70) of a motor vehicle, comprising a transverse wall (10) extended perpendicularly at its perimeter by a peripheral wall (11) so as to define an internal volume (14). At least one wall of the cooling radiator (1) forms a support for at least one portion (40) of a cooling circuit in which a cooling fluid circulates. Application to motor vehicles.

Abstract: The invention relates to a ventilation device for a motor vehicle, comprising at least one manifold (5-1, 5-2) for distributing air to the tubes (3), at least one turbomachine (26) being arranged in said at least one manifold (5-1, 5-2), said at least one turbomachine (26) comprising a cross-flow fan (26), said at least one manifold (5-1, 5-2) forming a volute (30) of the cross-flow fan (26).

Abstract: A motorized ventilation device for a motor vehicle, comprising an impeller (1) free to rotate about an axis (X) and formed by a cup (2), on which blades (3) are disposed, a bell cap (6) of an electric motor partly housed inside the cup (2), a centrifugal device (8) disposed between the cup (2) and the bell cap (6) and configured to guide and to accelerate an air flow (F2).

Abstract: The present invention relates to an impeller (102) for a tangential fan (100) intended to be fitted to a motor vehicle, the impeller extending chiefly in the direction of a longitudinal axis (L102) of the impeller (102), the impeller (102) having a plurality of blades (110) distributed in stages (112; 1121; 1122) along said longitudinal axis (L102) of the impeller (102), each stage (112; 1121; 1122) comprising a plurality of blades (110) angularly distributed about said longitudinal axis (L102) of the impeller (102), the blades (110) of each stage (112; 1121; 1122) of blades (110) preferably being equally angularly distributed about said longitudinal axis (L102) of the impeller (102), in which impeller the blades (110) of a first stage (1121) of blades (110) are angularly offset from the blades (110) of at least a second stage (1122) of blades (110).

Abstract: The invention concerns a receiver/drier (6) adapted to have pass through it a refrigerant fluid (FR) of a refrigerant fluid (FR) circuit (1) for a vehicle, in particular a motor vehicle. The receiver/drier (6) comprises a closed housing (10) provided with a fluid inlet (14) for admission of the refrigerant fluid (FR) to the interior of the housing (10) and with a fluid outlet (15) for evacuation of the refrigerant fluid (FR) from the housing (10). The housing (10) accommodates at least one desiccant (16) and at least one particle filter (17a, 17b, 17c). The receiver/drier (6) is provided with a phase separation device (18) between a liquid phase and a gas phase of the refrigerant fluid (FR) admitted to the interior of the housing (10).

Abstract: A device for the thermal regulation of a battery comprising at least one energy storage cell, said device comprising a dielectric-fluid circuit, said circuit comprising irrigating means for wetting the surface of said cell with said dielectric fluid.