Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K7/00—Constructional details common to different types of electric apparatus
  • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
  • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
  • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/61—Types of temperature control
  • H01M10/613—Cooling or keeping cold
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
  • H01M10/625—Vehicles
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/65—Means for temperature control structurally associated with the cells
  • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
  • H01M10/6567—Liquids
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/65—Means for temperature control structurally associated with the cells
  • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
  • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K7/00—Constructional details common to different types of electric apparatus
  • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
  • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
  • H05K7/20236—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures by immersion
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/10—Energy storage using batteries

Definitions

• the present invention relates to the field of thermal regulation devices for electrical and / or electronic components capable of giving off heat during operation.
• Each module may include a plurality of electronic cells capable of releasing heat in operation received in a box.
• High density energy storage cells such as Li-ion or Li-polymer batteries ideally need to operate in a temperature range between 20 ° C and 40 ° C, and too low a temperature impacts their autonomy while too high a temperature impacts their lifespan.
• the various battery cells of an electrical storage system can in particular be cooled by means of a cold plate inside which a cooling fluid circulates, the plate being in contact with the battery cells to be cooled. It has been observed that such heat exchangers can lead to inhomogeneous cooling of the electric batteries of the same electric storage system, thus leading to a reduction in the performance of these electric batteries.
• These heat treatment devices also exhibit high thermal resistance due to the thicknesses of material present between the cooling fluid and the battery cells, another parameter contributing to the high thermal resistance being the contact between the cooling plates, the interfaces. thermal (PAD) and cell surfaces.
• Document FR3037727 is known in particular in which a device for cooling the electric batteries of electric or hybrid cars is disclosed. More particularly, this document relates to a device for cooling the cells of the electric batteries of a battery pack of the lithium-ion type. It comprises a hermetically sealed housing in which a dielectric fluid circulates. The electrical storage cells are partially immersed in the dielectric fluid, so that the heat exchange between the cells and the dielectric fluid is ensured. Thus, the cooling of the electric batteries is carried out by immersing the cells of the electric batteries in said fluid.
• An additional deformable reserve of dielectric fluid consists of a tank located outside the housing and makes it possible to limit the pressure variations due to the temperature variations of the fluid. [0008].
• the total immersion of the electrical storage cells in a fluid requires a large volume of fluid sensitive to the variations of inclinations occurring for example during the transport of said devices or, if it is mounted in a vehicle, during the movement of said vehicle. .
• the objective of the invention is to offer an alternative for thermal management of an electrical and / or electronic component capable of releasing heat in operation while at least partially overcoming the aforementioned problems of the state of the art, thus optimizing the duration of the operation. life as well as the performance of such an electrical and / or electronic component.
• the invention can advantageously be used in the automotive field to, for example, thermally regulate a power electronic element or an electrical energy storage element, or in the field of data centers to cool servers and the like. electronic elements.
• the invention relates to a device for thermal management of an electrical and / or electronic component capable of giving off heat during its operation, said device comprising a housing, said housing comprising a main compartment defining at least one housing suitable for receiving said electrical and / or electronic component, said housing being arranged to receive a dielectric fluid and being delimited by at least one wall, characterized in that said wall comprises a partition defining in the housing a first and a second dielectric fluid chamber, said partition comprising an opening arranged so that, when the electrical and / or electronic component is placed in the housing, this electrical and / or electronic component extends on both sides of said partition so that this electrical and / or electronic component extends into both bedrooms.
• the fact that the electrical and / or electronic component extends in two dielectric fluid chambers allows, when the housing is inclined relative to a horizontal plane, to preserve a certain quantity of fluid in the two chambers making it possible to cool the electrical and / or electronic component efficiently.
• the dielectric fluid could find it accumulated in a restricted area of the housing on one side only, causing poor cooling of the electrical and / or electronic component.
• the presence of two chambers makes it possible to preserve a large contact of the electrical and / or electronic component with the dielectric fluid, even when the housing is inclined.
• the subdivision into different chambers makes it possible to limit the displacement of the dielectric fluid and consequently limits the effect of liquid hull, for example in the event that the device is in motion, for example mounted in a vehicle.
• lateral refers to an arbitrary orientation of a thermal management device according to the invention in an orthonormal Oxyz frame.
• a “longitudinal” direction corresponds to a direction parallel to an axis Oz
• a “lateral” direction corresponds to a direction parallel to an axis Ox
• a “vertical” direction corresponds to a direction parallel to an axis Oy.
• horizontal plane refer here to a plane perpendicular to the direction of gravity, in particular represented in the present description by the levels of dielectric fluid.
• transverse section refer to sections made along a plane, called a transverse plane, parallel to the Oxz plane in which the lateral axis Ox and the longitudinal axis Oz are inscribed.
• lateral section refer for their part to sections made along a plane, called a vertical plane, parallel to the Oxy plane in which the lateral axis Ox and the vertical axis Oy are inscribed.
• longitudinal section refer for their part to sections made along a plane, called a longitudinal plane, parallel to the Ozy plus in which the longitudinal axis Oz and the vertical axis Oy are inscribed.
• the cooling device advantageously comprises any at least of the following characteristics, taken alone or in combination, at least if the combination is technically feasible:
• the opening is intended to be complementary to an external periphery of the electrical and / or electronic component.
• the opening of the partition is closed by said component.
• electrical and / or electronic the first and second chambers are therefore fluidly isolated from one another.
• the electrical and / or electronic component together with the partition provides the seal between the first chamber and the second chamber.
• the partition comprises a sealing lip, advantageously at the level of the opening and intended to come into contact with the outer periphery of the electrical and / or electronic component, and a partition body located between the wall to which the partition is connected and the sealing lip.
• the sealing lip is made of a material different from the partition body, advantageously a deformable material, in particular an elastomer, so as to conform to the shape of an external face of the electrical and / or electronic component.
• the partition has a first part, the partition body, in a material having sufficient resistance to the pressure of the fluid in the chamber, advantageously the same material as the main compartment, and a second flexible part allowing to s 'adapt to the contour of the electrical and / or electronic component and having sufficient tolerance to deformation so as to facilitate assembly and maintain constant contact between the sealing lip and the electrical and / or electronic component.
• the sealing lip forms a flexible seal intended to ensure the seal between the partition and the electrical and / or electronic component.
• the partition and the wall are formed in one piece.
• the main compartment is formed in one piece, in particular formed by molding.
• the partition is an added part cooperating with fixing elements of the wall allowing a tight connection to the dielectric fluid between the wall and the partition.
• a gutter is formed in the wall in which the wall is slid, advantageously a gasket is inserted in this gutter to ensure the watertightness, the partition can also be glued, welded or screwed to the wall.
• the main compartment comprises a bottom wall from which emerges at least a first and a second longitudinal wall and a first and a second side wall, thus making it possible to define an internal volume.
• the transverse plane of the device is then a plane parallel to a plane in which the intersection of the bottom wall and the longitudinal walls and / or the side walls is inscribed.
• the main compartment comprises a plurality of housings, two consecutive housings being separated from each other by a longitudinal wall.
• a longitudinal wall sealingly isolates the two consecutive housings that it separates so that there can be no dielectric fluid passing from one housing to the other through this wall.
• the main compartment is thus subdivided into sub-compartment, advantageously sealed between them, forming the housings.
• Each housing comprises a partition, advantageously each housing has the same configuration.
• a housing is formed by the bottom wall, the side walls and two longitudinal walls of the main compartment.
• the partition forming a projection on the bottom wall, and / or one or more longitudinal walls, and / or one or more side walls.
• the partition has a thickness d1 defined by two opposite external faces of said partition, said thickness d1 being less than a width c1 of a dielectric fluid chamber, the width c1 being taken between an external face of the partition and a wall of the housing extending parallel to said partition.
• the thickness d1 with respect to the width c1 has a ratio d1 / c1 of between 0.1 and 0.0001, in particular 0.05 and 0.0005.
• the housing comprises at least one dielectric fluid inlet port. Thus each housing can be supplied individually with dielectric fluid.
• the housing comprises a dielectric fluid outlet orifice.
• the housing includes one inlet and / or one outlet per circulation chamber.
• the inlet of the first chamber and the outlet of the second chamber are positioned on the first side wall, and the outlet of the first chamber and the inlet of the second chamber are formed on the second side wall.
• the direction of circulation of dielectric fluid from the first chamber is opposite to the direction of circulation of dielectric fluid from the second chamber.
• the partition comprises a second opening so as to allow the circulation of fluid between the first and second chambers, advantageously the second opening is formed in a part of the partition situated between the first opening and the first side wall, advantageously in the body of partition.
• the inlet port and the outlet port of the housing are located on the second side wall opposite the second opening, the inlet port opening into the first chamber and the outlet port opening into the second chamber. , thus allowing circulation of the U-shaped dielectric fluid within the housing.
• the inlet orifice (s) are fluidly connected and supplied by a supply line.
• the inlet ports of the first side wall are connected to the same supply line, as long as the inlet ports of the second side wall are connected to a second supply line.
• each chamber at least partially envelops the electrical and / or electronic component, and in particular in contact with at least two faces of the electrical and / or electronic component so that the fluid in each chamber can come into contact with two faces of the electrical and / or electronic component.
• the outlet or ports are fluidly connected to an outlet pipe.
• the outlet openings of the first side wall are connected to the same discharge pipe, as long as the outlet holes of the second side wall are connected to a second discharge pipe.
• the entry orifice (s) are positioned on an upper part of the device, advantageously on a side wall near the cover or on the cover.
• the supply and discharge pipes are connected to an external circuit for circulating the dielectric fluid.
• the fluid outlet or ports are located on a low point, or low region so as to facilitate the discharge of the fluid from a housing.
• the bottom wall comprises at least one side inclined relative to the transverse plane of the device, the bottom wall thus having a so-called high region, and a so-called low region, the high region being above the low region when the plane transverse of the device is parallel to a horizontal plane.
• a fluid outlet orifice is located in the lower region of the bottom wall, thus the bottom wall is configured to facilitate the evacuation of the dielectric fluid through the outlet orifice, making it possible for example to facilitate the emptying of housing.
• Each housing comprises on the bottom wall an outlet orifice in the lower region common to the two dielectric fluid chambers.
• the outlet orifice opens into the first chamber and into the second chamber on either side of the partition.
• the outlet orifice is therefore positioned at the level of the intersection between the bottom wall and the partition of a housing.
• the bottom wall comprises a fluid discharge bowl, the bowl comprising said at least one fluid outlet port, and a curved wall until said at least one outlet orifice, the curved wall comprising said at least one inclined face.
• the bottom wall comprises two sides inclined relative to the transverse plane of the device, the inclined sides joining at one end in a high region, the low regions therefore being located on a second end of the panels, opposite to the first end of each pan.
• the lower regions are formed at the intersection between the second ends of the inclined faces and the side and / or longitudinal walls.
• the bottom wall comprises two sides inclined relative to the transverse plane of the device, the inclined sides meeting at one end in a low region, the high regions therefore being located on a second end of the panels, opposite to the first end of each pan.
• the upper regions are formed at the intersection between the second ends of the inclined faces and the side and / or longitudinal walls.
• Each housing includes a volume of dielectric fluid.
• the housing comprises a cover intended to close the main compartment.
• the partition at least partially envelops the electrical and / or electronic component, and is in particular in contact with at least two faces of the electrical and / or electronic component so that the fluid in each chamber can come into contact with two faces of the electrical and / or electronic component.
• the cover comprises a second partition participating in the delimitation of the first and second fluid circulation chambers.
• the second partition is also complementary to a periphery of the electrical and / or electronic component, advantageously once assembled the second partition is in contact with the first partition, or partition of the main compartment.
• the second partition is also complementary to a periphery of the electrical and / or electronic component, advantageously once assembled the second partition is in contact with the first partition, or partition of the main compartment.
• the first partition has a slice
• the second partition has a slice
• the slices of the first and second partitions, once the cover is assembled to the main compartment, are in contact so as to form a single partition forming the entire contour of the component electric and / or electronic.
• the housing is formed of a composite material, in particular a polymer material reinforced by fibers, in particular metal, carbon or glass.
• the partition also forms a support for the electrical and / or electronic component.
• the dielectric fluid is a dielectric liquid.
• the dielectric fluid is characterized by an evaporation point taken within an optimum operating temperature range of the electrical and / or electronic component, for example at 20 and 40 ° C as well, if the electrical and / or electronic component exceeds this temperature, the fluid in contact with it vaporizes and allows improved calorie extraction compared to a single-phase dielectric fluid.
• the dielectric fluid is cooled and / or heated by at least one exchanger external to the thermal management device.
• the thermal management device comprises a heat exchanger intended to cool and / or heat the dielectric fluid.
• the housing comprises a plurality of supports, in particular in the form of piles, bearing on or extending from the bottom wall.
• the electrical and / or electronic component is sufficiently distant from the bottom wall allowing the heat transfer fluid to be in contact with a periphery of the electrical and / or electronic component facing the bottom wall.
• the invention also relates to an assembly of electrical and / or electronic component comprising a thermal management device as described according to one of the embodiments above, and at least one electrical and / or electronic component capable of giving off heat. heat during operation.
• variants and the different embodiments of the invention can be associated with each other, in various combinations, as long as they are not incompatible or mutually exclusive.
• variants of the invention can be imagined comprising only a selection of characteristics described in the present description in isolation from the other characteristics described, if this selection of characteristics is sufficient to confer a technical advantage.
• FIG. 1 schematically illustrates a view along a cross section of a thermal management device according to one of the embodiments of the invention
• FIG. 2 schematically illustrates a view along a longitudinal section of a thermal management device according to one of the embodiments of the invention
• FIG. 3 schematically illustrates a view along a side section of the thermal management device according to one of the embodiments of the invention, for which the transverse plane of the device is parallel to a horizontal plane.
• FIG. 4 schematically illustrates in sectional view along a lateral section the thermal management device according to one embodiment of the invention, for which the transverse plane of the device intersects with a horizontal plane.
• FIG. 5 schematically illustrates in sectional view along a longitudinal section the thermal management device according to one embodiment of the invention.
• FIG. 1 illustrates schematically from different viewing angles a thermal management device 1 according to the invention.
• the thermal management device comprises a housing 3. Comprising a main compartment 4 delimited by a first 62 and a second 68 longitudinal wall, a first 63 and a second 65 side wall as well as a bottom wall 61.
• the main compartment also includes a third 64 and a fourth 66 longitudinal walls so as to define three housings 5 separated from each other by a longitudinal wall 64, 66 and each receiving an electrical and / or electronic component 2, said housings 5 being arranged to receive a dielectric fluid and comprise a wall 6 characterized in that said wall 6 comprises a partition 7 defining in a housing a first 51 and a second 52 dielectric fluid chambers.
• Each partition extends over the bottom wall 61 of the main compartment, a first side wall 63 and a second side wall 65.
• each chamber comprises a dielectric fluid inlet 13 and a dielectric fluid outlet 14.
• the inlet port 13 of the first chamber 51 and the outlet port 14 of the second chamber 52 are positioned on the first side wall 65, and the outlet 14 of the first chamber 51 and the inlet 13 of the second chamber 52 are formed on the second side wall 63.
• the direction of circulation of dielectric fluid of the first chamber 51 is opposite to the direction of circulation of dielectric fluid from the second chamber 52.
• FIG. 2 schematically illustrates a thermal management device according to the invention in longitudinal section view.
• said partition 7 comprises an opening 8 arranged so that, when the electrical and / or electronic component 2 (not shown in this FIG. 2) is placed in the housing 5, this electrical and / or electronic component extends on both sides of said partition 7 so that this electrical and / or electronic component 2 extends into the two chambers 51, 52.
• the opening 8 is intended to be complementary to an external periphery 9 of the electrical and / or electronic component 2.
• the electrical and / or electronic component is represented in FIGS. 1 to 5 as a parallelepipedal element, except the invention applies for n ' whether it is cylindrical or spherical type.
• Those skilled in the art can easily deduce the shape of the opening 8 as a function of the shape of the periphery or contour 9 of the electrical and / or electronic component 2 intended to be mounted in a housing 5 of the thermal management device 1.
• the partition 7 comprises a sealing lip 10 at the level of the opening 8, intended to come into contact with and match the shape of the outer periphery 10 of the electrical and / or electronic component 2.
• the sealing lip 10 can be produced in a material different from the rest of the partition 7, called the partition body 17.
• the lip is made of a deformable material, in particular an elastomer, so as to conform to the shape of the periphery of the electrical and / or electronic component 2.
• the sealing lip 10 forms a flexible seal intended to ensure the seal between the partition and the electrical and / or electronic component 2, once mounted inside the housing 5, the electrical and / or electronic component 2 together with the partition 7 provides the seal between the first chamber 51 and the second chamber 52.
• the housing 3 comprises a cover 19 intended to close the main compartment 4.
• the cover 19 comprises a second partition 71 participating in the delimitation of the first 51 and second 52 dielectric fluid chambers, the second partition 71 also having a lip of 'Sealing 710.
• the second partition 71 is also complementary to a periphery of the electrical and / or electronic component 2, advantageously once assembled the second partition is in contact with the first partition, or partition of the main compartment.
• the first partition 7 has a slice 713
• the second partition 71 has a slice 712
• the edges of the first 7 and second 71 partitions once the cover 19 has been assembled to the main compartment 4, are in contact so as to form a single partition making the entire contour of the electrical and / or electronic component.
• the housing 5 comprises a plurality of supports 24, in particular in the form of pilings, resting on or extending from the bottom wall 61.
• the electrical and / or electronic component 2 is sufficiently distant from the wall of bottom 61 allowing the heat transfer fluid to be in contact with a periphery of the electrical and / or electronic component 2 facing the bottom wall 61.
• the main compartment 4 comprises a bottom wall 61 from which emerges at least a first, a second, a third and a fourth longitudinal wall 62, 68, 64 and 66 and a first and a second side wall 63, 65.
• the partition 7 can be molded onto the bottom wall 61 and the first and second side walls 63 and 65.
• the main compartment 4 comprises a plurality of housings 5, two consecutive housings 5 being separated from each other by a longitudinal wall 64, 66.
• a longitudinal wall 64, 66 sealingly isolates the two consecutive housings that it separates so that there can be no dielectric fluid passing from one housing to the other through this wall.
• a housing is formed by the bottom wall, the side walls and two longitudinal walls of the main compartment.
• the partition 7 protrudes from the bottom wall 61 and the side walls 63, 65.
• each chamber 51, 52 at least partially envelops the electrical and / or electronic component 2, and in particular in contact with at least two faces of the electrical and / or electronic component so that the fluid in each chamber can come into contact with two faces of the electrical and / or electronic component.
• FIG. 3 shows a view along a side section of the thermal management device 1 when the transverse plane of the device is parallel to a horizontal plane.
• the partition 7 has a thickness d1 defined by two opposite external faces of said partition, said thickness d1 being less than a width c1 of a chamber 51, 52 of dielectric fluid, the width c1 being taken between an external face of the partition and a wall of the housing extending parallel to and facing said external face of the partition 7.
• the thickness d1 with respect to the width c1 has a ratio d1 / c1 of between 0.1 and 0.0001, in particular 0.05 and 0.0005.
• each housing is filled with dielectric fluid until the electrical and / or electronic component 2 is completely submerged, so that the dielectric fluid level 15 is above the electrical and / or electronic component 2 when the device 1 is horizontal, that is to say when the transverse plane of the device is parallel to a horizontal plane.
• Figures 3 and 4 illustrate the effects of the invention. Indeed, Figure 4 shows that even when the device 1 is no longer horizontal, the electrical and / or electronic component remains immersed so that if it is subjected to a significant stress resulting in a need for cooling or significant heating, the electrical and / or electronic component remaining submerged the heat exchange remains homogeneous.
• the bottom wall 61 comprises two inclined sides 611, 612 relative to the transverse plane of the device.
• the bottom wall thus having a so-called high region, and a so-called low region, the high region 613 being above the low region 614 when the transverse plane of the device is parallel to a horizontal plane.
• the inclined sides 611, 612 meeting at one end at a high region 613, the low regions 614 therefore being situated on a second end of the panels 611, 612, opposite the first end of each panel.
• the lower regions 614 are formed at the intersection between the second ends of the inclined faces 611, 612 and the side walls 63, 65 and / or longitudinal 62, 64, 66, 68.
• each chamber 51, 52 has its own inlet port 13.
• the inlet port 13 of the first chamber 51 is carried by the side wall 65 and connected to a pipe.
• supply 18, the inlet 13 of the second chamber 52 is carried by the side wall 63 and connected to a second supply pipe 18.
• the bottom wall 61 has two low regions 614 and each chamber comprises an outlet orifice.
• the exit port of a chamber being positioned in the lower region 614 near the side wall opposite the side wall carrying the entry port of the chamber.
• Each chamber 51, 52 has its own outlet port 14.
• the outlet port 14 of the first chamber 51 is carried by the side wall 63 and connected to a discharge pipe 16
• the outlet port 14 of the second chamber 52 is carried by the side wall 65 and connected to a second discharge pipe 16.
• the supply 18 and discharge 16 pipes are connected to an external circuit for circulating the dielectric fluid.
• each housing 5 comprises on the bottom wall 61 an outlet 14 in the lower region 613 common to the two chambers 51, 52 of dielectric fluid.
• the outlet orifice 14 opens out both into the first chamber 51 and into the second chamber 52 on either side of the partition 7.
• the outlet orifice 14 is therefore positioned at the level of the intersection between the bottom wall 61 and the partition wall of a housing 7.
• the bottom wall comprises two sides inclined relative to the transverse plane of the device, the inclined sides meeting at one end in a low region 614, the regions high 613 therefore being located on a second end of the panels, opposite the first end of each panel 611, 612.
• the high regions 613 are formed at the intersection between the second ends of the inclined panels and the side walls and / or longitudinal. [0085].
• the representations of Figures 1 to 5 are schematic.
• the present invention also covers different embodiments, in particular through the shape of the housing and / or of the reservoir.

Applications Claiming Priority (2)

Publications (1)

Family

ID=70614055

Family Applications (1)

Country Status (5)

Family Cites Families (7)

• 2020
  • 2020-01-21 FR FR2000573A patent/FR3106438B1/fr active Active
• 2021
  • 2021-01-21 EP EP21706639.8A patent/EP4094552A1/de active Pending
  • 2021-01-21 US US17/794,292 patent/US20230061262A1/en active Pending
  • 2021-01-21 CN CN202180010458.3A patent/CN115280910A/zh active Pending
  • 2021-01-21 WO PCT/FR2021/050107 patent/WO2021160948A1/fr unknown

Also Published As

Similar Documents

Legal Events