# US 12,224,420 B2 · Device for thermal regulation of an electronic component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,420 B2 - Document ID: US12224420B2 - Status: Granted - Kind: B2 - Application number: 17/293,701 - Filed: 2019-09-10 - Published: 2022-04-07 - Granted: 2025-02-11 - Earliest claimed: 2018-11-16 - Assignees: Valeo Systemes Thermiques - Applicants: Valeo Systemes Thermiques - Inventors: Kamel Azzouz; Amrid Mammeri; Sébastien Garnier; Imad Chelali - Web page: https://patentgrep.com/patent/US12224420B2 ## CPC - H01M 10/6568: characterised by flow circuits, e.g. loops, located externally to the cells or cell casings - F28D 9/0037: {the conduits for the other heat-exchange medium also being formed by paired plates touching each other (F28D9/0043 takes precedence)} - F28F 3/12: Elements constructed in the shape of a hollow panel, e.g. with channels {(F28D1/02, F28D1/03 take precedence)} - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/6554: Rods or plates - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 10/6569: Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation (heat pipes H01M10/6552) - H05K 7/20318: {Condensers} - H05K 7/20327: {Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds} - F28D 2021/0029: {Heat sinks} - F28F 2250/08: Fluid driving means, e.g. pumps, fans - F28F 2275/04: by brazing - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## 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. ## Claims ### Claim 1 A thermal regulation device for thermally regulating electronic components giving off heat during operation, the thermal regulation device comprising: at least one first circuit configured to allow a circulation of a heat transfer fluid; and at least one second circuit configured to convey a dielectric fluid, wherein the at least one second circuit comprises at least one outlet that distributes the dielectric fluid in a direction of the electronic components; at least one plate incorporating the at least one first circuit to form at least one condenser plate configured to liquefy the dielectric fluid, wherein the at least one condenser plate is formed of two separate shells placed against one another; and at least one plate incorporating the at least one second circuit and identical to the at least one plate incorporating the at least one first circuit; wherein the thermal regulation device is configured such that at least a portion of the at least one first circuit and at least a portion of the at least one second circuit are in thermal contact with each other. ### Claim 2 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one second circuit extends within the at least one condenser plate such that it is surrounded by branches forming part of the at least one first circuit. ### Claim 3 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one second circuit is formed in a peripheral zone of the at least one condenser plate, such as to leave clear a central zone of the at least one condenser plate for the at least one first circuit. ### Claim 4 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one first circuit and the at least one second circuit are arranged on either side of the at least one condenser plate, which comprises on a first face a plurality of cavities and on an opposite face a plurality of hollows, said plurality of cavities and hollows being covered by at least one cover and at least one cap respectively, so that the plurality of cavities, respectively the hollows, form the at least one first circuit and the at least one second circuit, respectively. ### Claim 5 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one plate incorporating the at least one second circuit is secant to the at least one plate incorporating the at least one first circuit. ### Claim 6 (depends on 1) The thermal regulation device as claimed in claim 1, wherein at least one of the two separate shells comprises a boss which defines a cavity forming part of the at least one first circuit or part of the at least one second circuit. ### Claim 7 (depends on 1) The thermal regulation device as claimed in claim 1, wherein at least one condenser plate comprises: at least one main wall provided with a dielectric fluid inlet as well as a heat transfer fluid inlet and a heat transfer fluid outlet, between which the at least one first circuit extends; and a plurality of secondary walls projecting from the at least one main wall, including a first lateral secondary wall provided at a first longitudinal end of the at least one main wall, a second lateral secondary wall provided at a second longitudinal end of the at least one main wall and an intermediate secondary wall that is interposed between the first lateral secondary wall and the second lateral secondary wall, the intermediate secondary wall helping to define, with part of the at least one main wall and one of the first lateral secondary wall and the second lateral secondary wall, two chambers for receiving electronic components. ### Claim 8 (depends on 7) The thermal regulation device as claimed in claim 7, wherein the at least one first circuit is formed at least in the at least one main wall. ### Claim 9 (depends on 7) The thermal regulation device as claimed in claim 7, wherein the at least one second circuit is formed in at least one secondary wall. ### Claim 10 (depends on 1) The thermal regulation device as claimed in claim 1, wherein each of the at least one outlet has a spray nozzle, each spray nozzle is oriented toward one of the electronic components. ### Claim 11 (depends on 10) The thermal regulation device as claimed in claim 10, wherein spray nozzles are placed on each of the opposite faces of at least one condenser plate. ### Claim 12 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one second circuit is formed by a conduit produced separately from the at least one condenser plate and attached to a face of the at least one condenser plate which faces a chamber for receiving at least one the electronic components. ### Claim 13 (depends on 12) The thermal regulation device as claimed in claim 12, wherein the conduit forming the at least one second circuit has a dielectric fluid inlet end which is rigidly secured to the at least one condenser plate by brazing. ### Claim 14 (depends on 12) The thermal regulation device as claimed in claim 12, wherein the conduit forming the at least one second circuit is secured to the at least one condenser plate by securing studs. ### Claim 15 (depends on 12) The thermal regulation device as claimed in claim 12, wherein the conduit forming the at least one second circuit has a substantially flat shape, and is arranged in a plane parallel to the at least one condenser plate. ### Claim 16 (depends on 12) The thermal regulation device as claimed in claim 12, wherein the conduit forming the at least one second circuit has bent portions extending in a plane substantially perpendicular to the plane of the at least one condenser plate. ### Claim 17 (depends on 1) The thermal regulation device as claimed in claim 1, wherein the at least one first circuit and the at least one second circuit are respectively formed by a conduit arranged in a vicinity of a corresponding electronic component. ### Claim 18 (depends on 1) A thermal regulation assembly comprising: the thermal regulation device as claimed in claim 1; the electronic components stacked in a stacking direction and associated with the at least one first circuit and the at least one second circuit; wherein the thermal regulation device comprises a recovery tray provided with a discharge pipe arranged in an extension of the electronic components in the stacking direction and configured to receive the dielectric fluid coming from each condenser; and wherein the thermal regulation device comprises a recirculation duct, in fluid communication with the discharge pipe, equipped with a pump for conveying the dielectric fluid to at least one dielectric fluid inlet of the at least one second circuits.