Abstract: Disclosed is a three-fluid heat exchanger (1) comprising a stack of plates (20a, 20b, 20c, 30a, 30b, 30c) and: a first circuit (11) for the circulation of a first heat-transfer fluid between a first inlet manifold (11a) and a first outlet manifold (11b) for the first heat-transfer fluid, a second circuit (12) for the circulation of a second heat-transfer fluid between a second inlet manifold (12a) and a second outlet manifold (12b) for the second heat-transfer fluid, a third circuit (13) for the circulation of a third heat-transfer fluid between a third inlet manifold (13a) and a third outlet manifold (13b) for the third heat-transfer fluid, the stack of plates (20a, 20b, 20c, 30a, 30b, 30c) forming an alternation of first (A) and second (B) circulation spaces for the circulation of heat-transfer fluid, stacked in the direction of stacking of plates (20a, 20b, 20c, 30a, 30b, 30c), the first circuit (11) being arranged within the first circulation spaces (A) and the second (12) and third (13) circuits being jo

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: 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.