Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
  • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
  • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
  • F25B39/00—Evaporators; Condensers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28D9/0006—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the plate-like or laminated conduits being enclosed within a pressure vessel
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
  • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
  • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
  • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
  • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
  • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
  • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
  • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
  • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
  • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
  • F28D2021/0084—Condensers

Definitions

• the present invention relates to the field of thermal regulation devices, and more particularly to the means implemented to regulate the temperature of electrical energy storage devices equipping vehicles.
• thermal regulation devices can, for example, equip a vehicle. They are then arranged within this vehicle to allow the thermal regulation of a first fluid circulating in a first circuit, of a second fluid circulating in a second circuit separate from the first circuit, and of a third fluid traveling through a third circuit annexed to the first and second circuits.
• the fluids can in particular be a refrigerant fluid circulating within an air conditioning loop of the vehicle or a coolant intended to regulate the temperature of a heat engine.
• thermodynamic circuits to which they are attached, fluids circulate by dissipating or absorbing thermal energy.
• the efficiency of heat exchangers and thermodynamic circuits is mainly determined by the heat exchanges between the fluids flowing through them. It is therefore sought to design heat exchangers in which the heat exchanges between the fluids circulating within them are optimized.
• a type of heat exchanger used in the automotive field is a plate exchanger, consisting of a stack of plates that are arranged on top of each other by brazing and in which the spaces remaining between two adjacent plates after assembly define fluid circulation zones.
• These circulation zones normally adapted to the fluids that flow through them, imply the existence of several different types of plates.
• a technical problem lies in the fact that the brazing of these plates complicates the manufacturing process of these plate heat exchangers.
• this type of exchanger is incorporated within a single-block subassembly centralizing different functions integrating pumps, valves or possibly other components. These multiple components require optimization of the heat exchanger's performance.
• the present invention aims to overcome the drawbacks of the prior art by proposing a thermal regulation device comprising a heat exchanger whose plates have edges configured to optimize the heat exchange and consequently optimize the cooling performance of the thermal regulation device comprising this exchanger.
• the edges usually designed by stamping are optimized in order to create a heat exchange surface.
• the main subject of the present invention is thus a thermal regulation device comprising a heat exchanger with a stack of plates and a housing, the heat exchanger comprising a first circuit which extends at least in part between at least two adjacent plates of the stack of plates and which is intended to be traversed by a refrigerant fluid, the heat exchanger comprising a second circuit which extends at least in part between at least two adjacent plates of the stack of plates and which is intended to be traversed by a heat transfer fluid, the heat exchanger being housed in the housing leaving a space arranged between said stack of plates and said housing, the space delimiting a third circuit intended to be traversed by a heat transfer fluid which runs along at least one external side of the stack of plates, in which at least one of the plates of the stack of plates comprises a heat dissipation member which extends into the third circuit.
• the plates of the heat exchanger according to the invention are configured for the circulation of several fluids making it possible to optimize heat exchanges, in particular by means of the heat dissipation member present on at least one plate constituting the stack of plates. forming the heat exchanger.
• the heat dissipation organs are longitudinal extensions of edges structuring the plates.
• the first fluid which is a refrigerant fluid intended to circulate in the first circuit and the second fluid, which is a heat transfer fluid intended to circulate in the second circuit, circulate within volumes each formed between adjacent plates belonging to the stack of plates forming the heat exchanger.
• the stacking of several plates on top of each other thus makes it possible to superimpose several heat dissipation members to which the plates are attached, in order to create circulation channels extending in the space delimiting the third circuit intended to be crossed by a heat transfer fluid to increase the heat exchange surface external to this exchanger.
• external we mean an exchange surface not arranged between the first plate and the second plate but within the space arranged between the housing and the heat exchanger. This increase thus makes it possible to improve the thermal performance of the exchanger.
• the heat transfer fluid circulating in the space constituting the third circuit leaves said third circuit until it enters the second circuit. It is understood that the second circuit is linked to the third circuit. According to the invention, the heat dissipation members also participate in maintaining and centering the heat exchanger within the housing in which it is housed.
• At least one of the plates which delimits the first circuit and/or the second circuit comprises the dissipation member.
• the plates delimiting the first circuit and/or the second circuit each comprise at least one bottom and one edge inclined relative to the bottom, the inclined edge of one plate being in contact with the inclined edge of the other plate, the dissipation member extending from the inclined edge of one of these plates.
• the plates of the heat exchanger according to the invention have a bathtub shape with two opposite longitudinal edges connected to each other by two lateral edges, the lateral and longitudinal edges being connected to each other by a bottom of the plate. All of the lateral and longitudinal edges are inclined relative to the bottom of the plate.
• the dissipation member extends the inclined edge of one of these plates.
• the dissipation member forms, for example, a rim which extends the inclined edge parallel to the bottom of the plate, in the direction of at least one of the walls of the housing which houses the heat exchanger.
• the dissipation member extends in a plane parallel to the plane in which the bottom mainly extends.
• the dissipation member extends the inclined edge over a distance of between 1.5 mm and 5 mm.
• This distance is measured between a base of the dissipation member and its top. Its base corresponds to a first of its ends which joins the inclined edge while its top is a second of its ends, the furthest from this edge, this second end being a free end of the dissipation member and oriented opposite the heat exchanger.
• the dissipation member is made of the same material as the plate which carries it.
• the plate and the dissipation organ it contains are made of metal, for example aluminum.
• every other plate in the stack of plates comprises a dissipation member.
• the other plate is devoid of a dissipation member which extends into the third circuit.
• Two dissipation members of two plates at least partially delimit a channel constituting the third circuit.
• at least two plates each comprise a dissipation member, a free end of each of the two dissipation members being in contact with a wall of the housing, said dissipation members and said wall of the housing delimiting at least in part a circulation channel constituting the third circuit.
• the circulation channels are intended to be crossed by the heat transfer fluid circulating in the third circuit. These circulation channels make it possible to increase the external exchange surface of the exchanger crossed by the heat transfer fluid circulating in the third circuit, thus improving the performance of said exchanger.
• At least one circulation channel is interrupted at a first opening of the second circuit.
• the first opening of the second circuit is configured for the passage of the heat transfer fluid.
• a portion of the circulation channels is interrupted at this orifice.
• the thermal regulation device comprises a multiplicity of circulation channels, the circulation channels extending from a zone proximal to a supply mouth of the third circuit to a zone of interruption of the circulation channels proximal to the first opening of the second circuit.
• the interruption zone is an area without circulation channels. This zone is configured to allow free passage to the heat transfer fluid entering through the first opening belonging to the second circuit.
• the plate comprises two dissipation members, a first dissipation member projecting from a first edge of the plate and a second dissipation member projecting from another edge of the plate, this other edge extending along a line parallel to a line along which the first edge extends.
• the plate may include a first dissipation member on one of its inclined lateral edges as well as a second dissipation member on the other of its two inclined lateral edges.
• the plate comprises two dissipation members, a first dissipation member projecting from a first edge of the plate and a second dissipation member projecting from another edge of the plate, this other edge extending along a line perpendicular to a line along which the first edge extends.
• said thermal regulation device comprises a single-piece body comprising the housing.
• the housing is overmolded with the single-piece body forming a solid unit.
• the single-block body comprises an expansion tank configured to receive heat transfer fluid.
• the monobloc body has the function of centralizing multiple functions in a single support.
• the single-piece body comprises a support arranged to carry at least one component with a fluidic function, in particular a plurality of components with a fluidic function.
• the fluidic function component is chosen from the following elements: a pump for pumping the first or second heat transfer fluid, a valve for directing the first or second heat transfer fluid, in particular a multi-way valve, a non-return valve for the first or second heat transfer fluid, a throttle valve for the first or second heat transfer fluid, a condensation exchanger, in particular a water condenser, a heating device with an electric heating resistance arranged to heat the first or second heat transfer fluid, a desiccant bottle, a filter for filtering particles present in the first or second heat transfer liquid, in particular a dielectric liquid.
• FIG. i is a sectional view of the thermal regulation device according to the invention.
• FIG. 2 is a front view of the thermal regulation device according to the invention.
• FIG. 3 is a perspective view of a plate constituting the stack of plates forming the heat exchanger belonging to the thermal regulation device of Figure 1;
• FIG. 4 is a side view of the plate of Figure 2;
• FIG. 5 is a perspective and partially sectional view of the heat exchanger housed in a housing belonging to the thermal regulation device of Figure 1.
• a longitudinal direction corresponds to a direction parallel to a main elongation axis of the thermal regulation device, this direction longitudinal being parallel to a longitudinal axis L of a reference L, V, T illustrated in the figures.
• a transverse direction corresponds to a direction parallel to a width of the thermal regulation device, this transverse direction being parallel to a transverse axis T of the reference L, V, T and this transverse axis T being perpendicular to the longitudinal axis L.
• a vertical direction corresponds to a direction parallel to a vertical axis V of the reference L, V, T, this vertical axis V being perpendicular to the longitudinal axis L and to the transverse axis T.
• FIG 1 thus illustrates a thermal regulation device 1 according to the invention, this thermal regulation device i being intended to equip a motor vehicle.
• the thermal regulation device i participates in the cooling of at least one element of the motor vehicle that it equips.
• it is configured to operate a heat exchange, in other words an exchange of calories, between a refrigerant fluid and another fluid, the exchange of calories being carried out thanks to a heat exchanger 4 that it comprises.
• This other fluid can for example be a heat transfer liquid such as glycol water, dielectric fluid or oil.
• the thermal regulation device 1 extends mainly in a longitudinal direction L. It comprises a housing 6 in which the heat exchanger 4 is arranged, as well as a support 8, the assembly of the housing 6 and the support 8 forming a single-piece body 10.
• the support 8 is configured to carry at least one fluidic function component, in particular a plurality of fluidic function components that are not shown in the figures.
• One of the fluidic function components is a pump configured to draw off the refrigerant or the heat transfer liquid.
• the support 8 also comprises a valve for directing the refrigerant or the heat transfer liquid; this valve may for example be a multi-way valve.
• a non-return valve is also provided on the support 8 for the refrigerant or the heat transfer liquid as well as a throttle valve.
• the support 8 comprises a condensation exchanger, in particular a water condenser.
• An electric heating resistance heating device is also arranged on the support 8 to heat the heat transfer fluid.
• a desiccant bottle and a filter for filtering particles present in the refrigerant fluid or in the heat transfer fluid, in particular a dielectric fluid, are included by the support 8.
• the single-block body 10 comprising on the one hand the housing 6 in which the heat exchanger 4 is housed and on the other hand the support 8, makes it possible to compact different functions and therefore has the advantage of saving space within the vehicle which it equips.
• the housing 6 is formed by four walls including a first wall 12a and a second wall 12b which extend in the longitudinal L and transverse T directions, and a third wall 12c and a fourth wall i2d which extend in the vertical V and transverse T directions. It is understood here that the first wall 12a and the second wall 12b extend perpendicular to the third wall 12c and the fourth wall i2d.
• the heat exchanger 4 housed inside the housing 6, comprises a first orifice 14a configured to receive the refrigerant fluid circulating in a first circuit and a second orifice 14b configured to evacuate the refrigerant fluid. It is understood that the first circuit extends in the heat exchanger 4 from the first orifice 14a to the second orifice 14b.
• the heat exchanger 4 comprises a first opening 18a configured to receive the heat transfer fluid circulating in a second circuit and a second opening 18b configured to evacuate the heat transfer fluid. It is understood that the second circuit extends in the heat exchanger 4 from the first opening 18a to the second opening 18b. It is understood that the first circuit and the second circuit are circuits internal to the heat exchanger 4, in which the refrigerant circulating in the first circuit and the heat transfer liquid circulating in the second circuit pass through plates 22 which form the heat exchanger 4, as will be detailed in FIG. 2.
• the housing 6 further comprises a supply port 42 configured for the passage of the heat transfer liquid circulating in a third circuit delimited by a peripheral space 32 of the heat exchanger 4.
• the third circuit supplied by the supply port 42 located within the peripheral space 32 of the heat exchanger 4 is a circuit external to the heat exchanger 4.
• the heat transfer fluid enters the third circuit via a supply port 42, circulates to the first opening 18a constituting an outlet of the third circuit and an inlet of the second circuit, then exits the second circuit internal to the heat exchanger 4 via the second opening 18b. It is understood that the second circuit and the third circuit are connected in series.
• the second opening 18b is connected to a conduit molded into the housing and showing on its external surface a boss 9 visible in FIG. 2.
• Figure 2 illustrates the thermal regulation device 1 seen from the front.
• the boss 9 is configured to receive the heat transfer fluid leaving the second circuit through the second opening 18b and circulate it outside the housing 6, in particular by conducting it to a multi-way valve carried by the support 8, visible in Figure 1.
• Figure 2 also illustrates the first port 14a and the second port 14b configured for the passage of the refrigerant fluid within the heat exchanger 4.
• Figure 3 illustrates a plate 22 belonging to a stack 24 of plates 22 superimposed on each other as will be detailed in Figure 5.
• Each plate 22 of the stack 24 has a substantially rectangular bathtub shape as well as four corners 23a, 23b, 23c, 23d.
• the bathtub shape is defined by two longitudinal edges 26a, 26b opposite each other.
• the longitudinal edges 26a, 26b are connected to each other by two lateral edges 28a, 28b also opposite. All of the longitudinal edges 26a, 26b and the lateral edges 28a, 28b are connected by a bottom 30 of the plate 22.
• the two lateral edges 28a, 28b are inclined relative to the bottom 30 of the plate 22, thus forming flanges 31. It is understood here that the longitudinal edges 26a, 26b are extended by the flanges 31. These flanges 31 are configured to support an adjacent plate and intended to be stacked on this first plate 22. The flange 31 connects the bottom 30 of the plate 22 to one of the longitudinal edges 26a, 26b or lateral edges 28a, 28b structuring the bathtub shape of the plate 22.
• the bottom 30 constitutes the active exchange surface for the refrigerant fluid circulating in the first circuit and the heat transfer fluid circulating in the second circuit.
• At least one of the lateral edges 28a, 28b extends parallel to the bottom 30 of the plate 22 so as to create a dissipation member 34 (referenced Figure 5) configured to optimize the heat exchange performance of the thermal regulation device 1 by creating an additional exchange surface.
• the dissipation member 34 extends the edge 31 of one of the plates 22 in a plane parallel to the plane in which the bottom 30 mainly extends.
• the dissipation member 34 extends over a distance D of between 1.5 mm and 5 mm.
• the distance D is measured between an end 27 of one of the lateral edges 28a, 28b to a free end 29 of the dissipation member 34.
• the dissipation member 34 is made of the same material as the plate 22 which carries it. As seen in FIG. 4, a first dissipation member 34a is arranged at a first end A of the plate 22 and a second dissipation member 34b is arranged at a second end B of the plate 22. It is understood that the first dissipation member 34a is symmetrically opposite the second dissipation member 34b relative to a vertical plane P.
• Figure 5 illustrates the heat exchanger 4 housed within the housing 6. For this purpose, it is configured to carry out a heat exchange between the refrigerant fluid and the heat transfer fluid.
• the heat exchanger 4 extends mainly in a longitudinal direction L when it is stored in the housing 6. It comprises a plurality of plates 22 which each extend in the longitudinal L and vertical V directions. More particularly, the heat exchanger 4 is formed by the stack 24 of plates 22 which are superimposed on one another in a stacking direction E perpendicular to a plane in which the longitudinal L and vertical V directions are inscribed.
• the stack 24 of plates 22 constitutes a heating body of the heat exchanger 4, that is to say a portion within which the heat exchanges between the refrigerant fluid and the heat transfer fluid take place.
• the stack 24 of plates 22 is arranged in the housing 6 so as to form the space 32 extending between said housing 6 and at least one of four faces 14a, 14b, 14c, 14b of the heat exchanger 4 and in which the heat transfer liquid circulates.
• a plurality of dissipation members 34 extend from several plates 22 of the stack 24 until they come into contact with one of the walls 12a, 12b, 12c, 12d of the housing 6 in order to create circulation channels 40 arranged in series at least in part along the four walls of the heat exchanger 4, and extending into the space 32. It is then understood that the dissipation members 34 arranged within the space 32 which delimits the third circuit, are configured to extend the energy exchange surface external to the heat exchanger 4.
• the series of circulation channels 40 extends from a zone proximal to the supply mouth 42 configured for the passage of the heat transfer liquid represented by dashed arrows (FIG.
• the first interruption zone 44a is arranged in proximity to the supply mouth 42 configured for the passage of the heat transfer liquid in the third circuit. It is understood that the first interruption zone 44a is configured to allow free passage for the heat transfer liquid to enter the third circuit.
• the passage of the heat transfer fluid in the third circuit is represented by dashed arrows in FIG. 1.
• the second interruption zone 44b is arranged in proximity to the first opening 18a configured for the entry of the heat transfer fluid into the second circuit. It is understood that the second interruption zone 44b is also configured to allow free passage for the heat transfer fluid to enter the third circuit.
• Figure 5 illustrates a sectional view of the heat exchanger 4, thus making the stack of plates 22 visible.
• a first plate 22a stacked on a second plate 22b together participate in forming a channel 40 configured to be crossed by the heat transfer liquid.
• the present invention thus proposes a thermal regulation device 1 comprising a housing 6 housing a heat exchanger 4 with plates 22, the plates 22 comprising dissipation members 34 configured to optimize the heat exchanges.
• These dissipation members 34 being defined by the increase in length of the longitudinal edges 26a, 26b and lateral edges 28a, 28b extending the inclined edges 31 extending from the plates 22, penetrate into the space 32 constituting the third circuit arranged between said exchanger and the housing 6, thus increasing the external heat exchanger surface of the heat exchanger 4.
• the longitudinal edges 26a, 26b and the lateral edges 28a, 28b form a larger heat exchange surface and the inclined edges 31 constitute a support for brazing one plate to another.
• the thermal regulation device 1 presented in the form of a single-block body 10 comprising a housing 6 housing the heat exchanger 4 and a support 8 with elements having fluidic compositions, makes it possible to optimally manage the exchanges of calories within the thermal regulation device 1 by centralizing several distinct functions.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

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Applications Claiming Priority (2)

Publications (1)

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ID=87974317

Family Applications (1)

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Citations (3)

• 2023
  • 2023-06-07 FR FR2305746A patent/FR3149679B1/fr active Active
• 2024
  • 2024-06-04 EP EP24730368.8A patent/EP4724748A1/de active Pending
  • 2024-06-04 CN CN202480037859.1A patent/CN121263640A/zh active Pending
  • 2024-06-04 WO PCT/EP2024/065247 patent/WO2024251685A1/fr not_active Ceased

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