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WO2011110497A2 - Dispositif de refroidissement - Google Patents

Dispositif de refroidissement Download PDF

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Publication number
WO2011110497A2
WO2011110497A2 PCT/EP2011/053305 EP2011053305W WO2011110497A2 WO 2011110497 A2 WO2011110497 A2 WO 2011110497A2 EP 2011053305 W EP2011053305 W EP 2011053305W WO 2011110497 A2 WO2011110497 A2 WO 2011110497A2
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
cooling
channels
plane
cooling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2011/053305
Other languages
German (de)
English (en)
Other versions
WO2011110497A3 (fr
Inventor
Stefan Hirsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of WO2011110497A2 publication Critical patent/WO2011110497A2/fr
Publication of WO2011110497A3 publication Critical patent/WO2011110497A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01M10/6561—Gases
    • 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
    • H01M10/6561—Gases
    • H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange conduits
    • F28F2210/02—Heat exchange conduits with particular branching, e.g. fractal conduit arrangements
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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 a cooling device.
  • Modern HEV / EV vehicles use powerful energy storage systems such as Li-Ion or NiMH batteries or Super Caps. In these cases, rapid charging and discharging due to resistances in and outside the cells cause heating. Temperatures above 50 ° C permanently damage energy storage. In order to ensure the function of the energy storage these must be actively cooled. For this purpose, the energy storage are brought via cooling plates with a cooling pans in thermal contact.
  • a device for cooling a heat source of a motor vehicle which has a heat sink, which has a plurality of Vorströmungsfluten and a plurality of return flow. At least one A plurality of the upstream and downstream flows are alternately arranged side by side in the heatsink.
  • the present invention is based on the finding that a uniform cooling surface temperature can be created on a cooling element when a plurality of refrigerant channels are passed directly past one another by an arrangement according to the invention in order to realize the greatest possible heat exchange.
  • the greatest possible heat exchange is advantageously made possible by the fact that at least one Vorströmungskanal and a return flow channel intersect, so that a possible homogeneous heat dissipation au6 the cooling element is ensured.
  • This also makes it possible for the individual regions of the cooling element to be flowed through alternately through a pre-flow channel (with a high heat removal rate) and a return flow channel (with a lower heat removal rate).
  • This arrangement of the refrigerant channels therefore allows a much better homogeneity of the temperature distribution on a surface of the cooling element, which in turn allows a better and more uniform cooling performance of the cooling device.
  • a very high heat transfer can be achieved, since at such locations the Vorströmungskanal, in which the cooler refrigerant flows during operation of the cooling device, very close to the remindströmungekanal, in which the warmer fluid flows during operation of the cooling device out can be.
  • the present invention provides a cooling device having the following features:
  • At least one cooling element with at least two intersecting in different planes refrigerant channels one of the two itself crossing refrigerant channels forms a Vorströmungskanal and the other of the two refrigerant channels crossing you forms a return flow channel for a refrigerant;
  • a refrigerant inlet having at least one distributor device, wherein the distributor device is designed to direct the refrigerant into the at least one feed channel;
  • a refrigerant outlet having at least one semoliner, wherein the collector is configured to collect the refrigerant from the at least one return flow channel;
  • the cooling device may be provided for thermal connection to a heat source such as an energy storage device of a vehicle, such as an accumulator or electric capacitor.
  • a heat source such as an energy storage device of a vehicle, such as an accumulator or electric capacitor.
  • the cooling device is designed as a thermally conductive piattenförmiger one-piece composite of a good heat conducting metal, such as aluminum.
  • the cooling element can be connected, for example, to a single element of the energy store, the heat source (ie the individual element of the energy store) being connected by thermal contact via cooling bends of the cooling element to at least two refrigerant passages crossing in different planes of the cooling element.
  • the heat source ie the individual element of the energy store
  • one of the two intersecting refrigerant channels forms a Vorströmungskanal for guiding the refrigerant
  • the other of the two intersecting refrigerant channels forms a return flow channel for guiding the refrigerant.
  • the refrigerant inlet through which the refrigerant can flow from a refrigerant source, such as an output of a compressor followed by a condenser or a refrigerant storage in the cooling device, is connected to at least one distributor device.
  • a refrigerant source such as an output of a compressor followed by a condenser or a refrigerant storage in the cooling device
  • the Vermaschinerelnraum should be designed to direct the refrigerant with the least possible Strömungsveriusten in at least one VorströmungskanaJ.
  • the refrigerant outlet through which the refrigerant can flow to a refrigerant sink, such as an input of a compressor, is connected to at least one collecting device, wherein the collecting device should be favorably designed to collect the refrigerant from the return flow channel, likewise with as low a flow rate as possible
  • the connecting element should each connect a flow channel permeable to the flow path and with as low a flow loss as possible to a return flow channel in order to allow a low-friction flow of refrigerant through the refrigerant channels.
  • an exemplary embodiment of the invention provides at least one cooling element in which the refrigerant channels can be arranged substantially parallel to one another and one each Vorströmungskanal and one return flow channel can be arranged alternately side by side in the cooling element.
  • Such an embodiment of the present invention has the advantage that a uniform temperature level at the contact point of the Kuhliatas can be achieved with the heat source to be cooled by balancing the temperature levels of the refrigerant in Vorströmungskanal and return flow channel.
  • two refrigerant cans may intersect at different levels, wherein the two intersecting refrigerant channels represent either two Vorströmungskanäle or two remindströmungekanäle for a refrigerant.
  • Such an embodiment of the present invention offers the advantage of allowing a more global approach to the temperature level throughout the cooling element.
  • connection element can be arranged between at least two cooling elements.
  • Such an embodiment of the present invention offers the advantage that refrigerant flowing in one cooling element in a preflow channel flows in the other cooling element in a return flow channel.
  • the best possible heat dissipation in the individual cooling elements can be achieved on this catfish, since the individual cooling elements have an approximately equal heat removal rate due to such shading of the cold channels, regardless of the position in which they are installed in the course of the flow and return flow channels ,
  • the distributor means is configured to direct the refrigerant into flow channels of at least two different cooling elements
  • the collecting means may be configured to collect the refrigerant from return flow channels of the at least two different cooling elements.
  • At least one cooling element may have the parallel in the first plane refrigerant channels that cross parallel refrigerant channels in the second plane of the cooling element, wherein between each one of the extending in the first plane refrigerant channels and one in the second Level extending refrigerant channels in the edge region of the cooling element may consist of a fluid-permeable connection.
  • At least one cooling element in the first plane may have at least partially parallel refrigerant channels and at least partially parallel refrigerant channels in the second plane, the refrigerant channels in the first plane being separated from the refrigerant channels in the second plane in a flow-tight manner can.
  • Such an embodiment of the present invention has the advantage that an increase in the flow resistance of the refrigerant channels can be avoided by changing between the planes of the cooling element.
  • At least two cooling elements can be arranged side by side and / or transversely between the collecting device and the connecting element.
  • Such an embodiment of the present invention offers the advantage that a plurality of individual cooling elements can be arranged side by side and / or one behind the other (with respect to the cooling medium flow) so that a very large cooling surface can be achieved by a simple arrangement of elements in juxtaposition or cross-circuiting can be provided by the cooling elements arranged in this way.
  • a one-piece cooling plate may be provided which has at least two cooling elements, this allows a good heat flow, including a good heat distribution from the heat source through the integral cooling plate in the individual cooling elements.
  • a cooling plate may be provided in which the refrigerant inlet, the connecting member and the refrigerant outlet are integrated.
  • Such an embodiment of the present invention enables a simple structure of the cooling device.
  • the operational safety of refrigerant-operated cooling plates improves considerably.
  • the cooling device is provided for cooling a heat source of a power vehicle.
  • Such a cooling device is part of a refrigerant circuit comprising a compressor, a condenser or gas cooler, a first evaporator for air conditioning of a passenger compartment and a second evaporator, wherein the cooling device is designed as the second evaporator.
  • Flg. 1 is a schematic representation of a refrigerant flow of a cooling device according to an embodiment variant
  • FIG. 2 shows a schematic representation of a refrigerant flow according to an embodiment of the cooling device according to the invention
  • Fig. 3 is a schematic representation of a Kältemfttelhnes according to another embodiment of the cooling device according to the invention.
  • the same or similar reference numerals will be used for the elements shown in the various drawings and similar, and a repetitive description of these elements will be omitted.
  • Flg. 1 shows a schematic representation of the refrigerant flow in a cooling device according to an embodiment variant.
  • a refrigerant inlet 100 is connected via a distributor device 102 to pre-flow channels 104 (refrigerant channels) shown in solid lines. These pass through a region 106 to be tempered / cooled to a connection device 108, from where they run back as dashed lines backflow channels 110 (ie also refrigerant channels) back to a collecting direction 112 through the temperature to be tempered / cooling region 106 and there in a refrigerant outlet 114th be summarized.
  • pre-flow channels 104 shown in solid lines.
  • the refrigerant channels 104, 110 extend in a straight line and parallel through the region 106 to be tempered from the distributor device 102 to the connection device 108 and back to the collector device 12.
  • Vorströmungskanäle 104 and return flow channels 1 10 are in a plane and are arranged alternately side by side.
  • By heat flows of warmer refrigerant in the return flow channels 110 to colder refrigerant in the Vorströmungskanälen 104 results in a largely balanced temperature level in the tempering / cooling area 106.
  • the cooling device of Flg. 1 a refrigerant flow from the refrigerant inlet 100 into a first refrigerant flow 1 and. split a second refrigerant flow.2.
  • the refrigerant is first led through the Vorströmungskanäle 104, wherein the corresponding Tellstrom in a Vorströmungskanal 104 then with If the refrigerant flows in a return flow channel 110, the corresponding partial flow is provided with the reference symbol "b".
  • the uniform heat exchange between several channels can thus be difficult to realize.
  • the heat exchange only between adjacent channels is good, i. with channel numbers greater than 2 (i.e., with more than one power split) problems arise.
  • the uniform heat exchange between the partial flow sections 1, 1a, 1, 2b, 2.1a, 2.2b of the refrigerant should be ensured by the parallel arrangement however, the heat exchange between the partial flow section 1.1a and the Tellatromabschnltt 2.2b from Flg. 1 is significantly worse than, for example, between the Tellstromabsacrificing 1.1a and the partial flow section 1, 2b.
  • FIG. 2 shows a schematic representation of a refrigerant flow according to an exemplary embodiment of a cooling device according to the invention.
  • a refrigerant flows via a distributor device 102 into refrigerant channels 104, 110, wherein it flows through pre-flow channels 104 to a connecting device 106 and through return flow channels 110 via a collecting device 112 to a cooling medium section 1 14.
  • the refrigerant inlet 100 and the refrigerant outlet 114 are located on a same side (ie, on the right side in FIG.
  • the refrigerant passages 104, 110 pass through a first bank of cooling elements 200 connected in series for cooling a surface of the heat source or at least individual partial areas thereof.
  • the first strand comprises the two upper Vorströmungskanäle and the two upper return flow channels from the representation according to Flg. 2,
  • the refrigerant channels 104, 110 cross according to the principalsbelsplel to Flg. 2 within the cooling elements 200 in several ie at least two levels in the form of a criss-cross Kältemfttefscrien.
  • the Käfteschka- channels 104, 110 are thus located in two levels, with all channels are arranged in parallel in a first plane and the parallel refrigerant channels 104, 110 in a second plane at an (equal) angle over. In this case, a transfer of heat from the return flow channels 110 to the Vorströmungskanäle 104 is possible.
  • each a forward or remindströmungekanal 104, 110 changes to the other level and its direction changes according to the refrigerant passage in this plane.
  • the refrigerant channels 104, 110 reach the connection device 108, from where they lead in a similar arrangement within a second line from the two lower flow and return flow channels back to the collection device 112; As a result, temperature differences within the respective strand between and within the cooling elements 200 can be compensated.
  • the cooling elements of each strand can be different from the cooling elements of the jewel. ren strand be thermally insulated.
  • Vor- and remindströmungekanäle 104, 110 extend in a plane largely parallel to each other so that the refrigerant flowing in these channels can exchange heat very efficiently each other. Thus, a very uniform temperature level is achieved even with several consecutivedeelernenten 200.
  • the connecting device 108 is in the embodiment according to Flg. 2 arranged just after half of the series-connected cooling elements 200. Thus, the cooling elements 200 are both juxtaposed in two strands, as well as arranged behind one another in a series circuit. This results in equally long paths for the forward and reverse flow channels 104, 110, so that largely compensate for pressure losses in the individual channels.
  • the refrigerant quantity in one of the refrigerant channels 104, 110 is reduced by a defect, other refrigerant channels 104, 110 can compensate for this deficit in heat removal capacity.
  • each partial flow has a first section 104 and a second section 110.
  • Each pair, ie the two partial flows of a flow branch 102, are arranged directly adjacent to as high a proportion as possible. Eg the Tellstreams worldly arranged side by side lying, so that Uber heat-conductive composite heat can be exchanged between the two streams.
  • heat should be transmitted uniformly between 4 and more partial flow sections, through the current junctions 202, 204 in the "Crlss-Cross" or "Twlst" circuit (as shown in FIGS 3 is shown schematically and described in more detail below) is provided in contrast to the "parallel circuit (according to the arrangement of Fig.
  • intersections 202, 204 and channels are arranged such that under each battery module 200 to be cooled, the same pattern is formed. This enables a uniform heat transfer from the battery tents to the cooling channels 104, 110.
  • Fig. 3 shows an embodiment of a cooling device according to the invention.
  • a refrigerant inlet 100 via a distributor device 102 run refrigerant channels 104,110 as Vorströmungskanäle 104 to a connecting device 108 and as remindströmungekanäle 110 via a collector 112 to a refrigerant outlet 114.
  • refrigerant inlet 100 and refrigerant outlet 114 are located on a same side of the device.
  • refrigerant channels 104, 1 10 connected in series cooling elements 200 for individual portions of a heat source.
  • the refrigerant channels 104, 110 of a partial Stands cross over each other to be able to exchange heat with each other in a Twist-Kältemlttelschaltutng.
  • the manifold 102 provides for a uniform flow through all the pre-flow channels 104 and thus for a uniform temperature level throughout the range.
  • the connector 108 is located in the middle of the refrigerant passages to allow identical channel lengths of flow and return passages 104, 110.
  • the cooling elements 200 are arranged one behind the other along the main extent of the Tellstrfite in a series circuit, while the Tellstrfite are guided in a parallel circuit through the cooling elements 200.
  • the substantially parallel refrigerant channels extend in the same plane and crossing over substantially parallel refrigerant channels, which are arranged in a different plane.
  • the channels 104, 110 run from an outer boundary of the cooling elements 200 in the direction of a center of the cooling elements 200 and back to the boundary of the cooling elements 200 back. in the various levels, the lines 104, 110 are mirror images of each other to allow the intersections.
  • a channel circuit for cooling plates which are operated with refrigerant to ensure a uniform refrigerant distribution and thus temperature distribution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

L'invention concerne un dispositif de refroidissement comportant au moins un élément de refroidissement (200) avec au moins deux conduits de réfrigérant (104, 110), qui se croisent dans des plans différents ; l'un des deux conduits de réfrigérant se croisant forme un conduit d'afflux (104) et l'autre des deux conduits de réfrigérant se croisant forme un conduit de reflux (110) pour un réfrigérant. Ledit dispositif de refroidissement comporte également une entrée de réfrigérant (100) munie d'au moins un dispositif de distribution (102), qui est réalisé pour guider le réfrigérant dans le ou les conduits d'afflux, une sortie de réfrigérant (114) munie d'au moins un collecteur (112) qui est réalisé pour collecter le réfrigérant hors du ou des conduits de reflux, et un élément de liaison (108) qui est réalisé pour relier chaque conduit d'afflux à un conduit de reflux pour le passage du fluide.
PCT/EP2011/053305 2010-03-09 2011-03-04 Dispositif de refroidissement Ceased WO2011110497A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002705.7 2010-03-09
DE201010002705 DE102010002705A1 (de) 2010-03-09 2010-03-09 Kühlvorrichtung

Publications (2)

Publication Number Publication Date
WO2011110497A2 true WO2011110497A2 (fr) 2011-09-15
WO2011110497A3 WO2011110497A3 (fr) 2012-02-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/053305 Ceased WO2011110497A2 (fr) 2010-03-09 2011-03-04 Dispositif de refroidissement

Country Status (2)

Country Link
DE (1) DE102010002705A1 (fr)
WO (1) WO2011110497A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019201127A1 (de) 2019-01-29 2020-07-30 Audi Ag Kühlvorrichtung zum Kühlen zumindest eines Batteriemoduls und Kraftfahrzeug mit einer solchen Kühlvorrichtung
CN113381096A (zh) * 2021-06-09 2021-09-10 上海理工大学 基于冷却路径的实时优化电池热管理系统
EP4432424A2 (fr) 2023-03-14 2024-09-18 Volkswagen Ag Plaque de refroidissement dotée d'au moins un canal de fluide pour tempérer un accumulateur d'énergie d'entraînement électrique d'un véhicule et procédé de fabrication d'une telle plaque de refroidissement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108611A1 (de) 2015-06-01 2016-12-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeugkomponente

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Publication number Priority date Publication date Assignee Title
EP2149771A1 (fr) 2008-07-29 2010-02-03 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'une source de chaleur d'un véhicule automobile

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EP2149771A1 (fr) 2008-07-29 2010-02-03 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'une source de chaleur d'un véhicule automobile

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019201127A1 (de) 2019-01-29 2020-07-30 Audi Ag Kühlvorrichtung zum Kühlen zumindest eines Batteriemoduls und Kraftfahrzeug mit einer solchen Kühlvorrichtung
CN113381096A (zh) * 2021-06-09 2021-09-10 上海理工大学 基于冷却路径的实时优化电池热管理系统
CN113381096B (zh) * 2021-06-09 2022-10-14 上海理工大学 基于冷却路径的实时优化电池热管理系统
EP4432424A2 (fr) 2023-03-14 2024-09-18 Volkswagen Ag Plaque de refroidissement dotée d'au moins un canal de fluide pour tempérer un accumulateur d'énergie d'entraînement électrique d'un véhicule et procédé de fabrication d'une telle plaque de refroidissement
DE102023202300A1 (de) 2023-03-14 2024-09-19 Volkswagen Aktiengesellschaft Kühlplatte mit mindestens einem Fluidkanal zur Temperierung eines elektrischen Antriebsenergiespeichers eines Fahrzeuges sowie Verfahren zur Herstellung einer solchen Kühlplatte

Also Published As

Publication number Publication date
DE102010002705A1 (de) 2011-09-15
WO2011110497A3 (fr) 2012-02-23

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