EP2503275B1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
EP2503275B1
EP2503275B1 EP12160522.4A EP12160522A EP2503275B1 EP 2503275 B1 EP2503275 B1 EP 2503275B1 EP 12160522 A EP12160522 A EP 12160522A EP 2503275 B1 EP2503275 B1 EP 2503275B1
Authority
EP
European Patent Office
Prior art keywords
plate
adhesive
fluid channel
additional
stacked
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.)
Not-in-force
Application number
EP12160522.4A
Other languages
German (de)
English (en)
Other versions
EP2503275A3 (fr
EP2503275A2 (fr
Inventor
Andreas Jünemann
Martin KÄMMERER
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
Mahle 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 Mahle Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2503275A2 publication Critical patent/EP2503275A2/fr
Publication of EP2503275A3 publication Critical patent/EP2503275A3/fr
Application granted granted Critical
Publication of EP2503275B1 publication Critical patent/EP2503275B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28D9/0062—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 spaced plates with inserted elements
    • F28D9/0075—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 spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
    • F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives

Definitions

  • the invention relates to a heat exchanger according to the preamble of claim 1.
  • Heat exchangers are used in various technical applications for the transfer of heat from a first fluid to a second fluid.
  • a plurality of stacking disk pairs and additional stacking disk pairs are arranged one above the other in heat exchangers in disk construction.
  • the stacking disk pairs or the auxiliary stacking disk pairs each have a first and second disk, such as stacking disk or additional stacking disk, and a first fluid channel is formed between the disks of the stacking disk pair and a second fluid duct is arranged between the two disks of the additional stacking disk pair.
  • Such heat exchangers are used for example in internal combustion engines for cooling exhaust gas in an exhaust gas recirculation, by the Exhaust heat to a fluid, eg. B. the coolant circuit of the engine is transmitted. Further, for example, in an internal combustion engine with a charge air compressor, the compressed charge air can be cooled before being fed into the combustion chamber of the internal combustion engine by means of a heat exchanger.
  • Heat exchangers are also used in motor vehicle air conditioning systems, for example as a heating device for heating the air to be supplied to the vehicle interior, in that both coolant of the internal combustion engine and, on the other hand, the air to be heated are conducted through the heat exchanger.
  • Refrigerant evaporators as heat exchangers in motor vehicle air conditioning systems are also used for cooling air.
  • a first or second fluid channel is to be formed during manufacture. This is in the preparation of the heat exchanger in a complex manner by machining processes, such as milling, or forming process, for. B. embossing, as well as by means of chemical methods, eg. As etching, possible. Also, electrochemical methods, such as erosion, are used to form such a channel on one side of a disc, so that after joining the two discs to the stacking disc pair, a first or a second fluid channel between the two discs is available for the passage of the first or the second fluid. By means of the thus incorporated channel structures, the first or second fluid channel can thus be made available.
  • the two discs are generally made of metal, for. As aluminum or steel, and are connected to each other, for example by means of soldering or welding as joining methods.
  • soldering or welding a complementary manufacturing step for joining the two disks is thus required in a complex manner.
  • the discs are also exposed to thermal stresses, which can result in damage to the material structure of the discs in a disadvantageous manner.
  • tool wear generally occurs as well.
  • A1 discloses a heat exchanger, consisting of a stack of superimposed and each having a distance exhibiting plates known.
  • the plates consist of technical silicates, z.
  • the object of the present invention is to provide a heat exchanger and an automotive air conditioning system in which the heat exchanger is easy to manufacture with low investment costs for manufacturing machines and operates reliably without leaks in operation.
  • a heat exchanger comprising a multiplicity of stacking disk pairs with a first disk, such as a stacking disk, and a second disc, such as a stacking disc, such that between the first and second discs a first fluid channel is included for a first fluid, an inlet and outlet port for the first fluid, a second fluid channel, an inlet and outlet port for the second fluid, wherein the first fluid channel between the first and second disc with, in particular hardened, a first adhesive is limited and the first adhesive between the first and second disc is arranged.
  • This is advantageously, for example, a machining of the first and second disc, z. As with milling, or embossing and etching on the discs not required for the preparation of the first fluid channel.
  • the first fluid channel is limited on the one hand by the first and second disc and additionally also limited by the first adhesive or formed, thereby characterized in a simple manner by means of the adhesive due to a corresponding geometric arrangement or formation of the adhesive between the first and second disc the first fluid channel can be provided.
  • the first fluid channel without the first and second disc is limited exclusively with the first adhesive and / or between the first disc and the second disc is a distance, for. B. in the range between 1 and 10 mm, and / or a first plane spanned by the first disc and a second plane spanned by the second disc are aligned substantially parallel to each other.
  • substantially parallel means that the two planes are aligned parallel to each other with a deviation of less than 20 °, 10 °, 5 °, 2 ° or 1 °.
  • the height of the first adhesive corresponds to the distance between the first and second disc.
  • the first fluid channel can be limited in a fluid-tight manner by the first adhesive and, in addition, preferably also a cohesive connection between the first and second disc with the first adhesive possible.
  • the first adhesive can thus assume two functions, namely on the one hand to limit the first fluid channel and on the other hand to provide a cohesive connection between the first and second disc available.
  • the first and / or second disc is at least partially, in particular completely, made of metal or plastic, for. As steel or aluminum.
  • the heat exchanger comprises at least one additional stacking disc pair with a first disc, such as additional stacking disc, and a second disc, such as additional stacking disc, so that the second fluid channel between the first and second disc is formed, in particular the second fluid channel between the first and second disc a second adhesive is limited and the second adhesive is disposed between the first and second disc.
  • the first fluid channel is partially bounded by the first and / or second disc.
  • the heat exchanger further comprises a plurality of stacking disk pairs and additional stacking disk pairs, wherein the stacking disk pairs and additional stacking disk pairs are arranged alternately one above the other.
  • the second fluid channel is formed as a plate-like flow space between the first and second disc of the at least one additional stacking disc pair or the second fluid channel is formed between the first and second disc of the stacking disc pair in an analogous manner as the first fluid channel.
  • the first and second discs are adhesively bonded together with the adhesive to the stacking disk pair and / or additional stacking disk pair, and preferably the adhesive is for connection one or the same adhesive as the adhesive which delimits the first and / or second fluid channel and / or the at least one stacking disc pair and preferably the at least one additional stacking disc pair are within one, preferably fluid-tight, of the stacking disk pairs and / or the auxiliary stacking disk pairs Housing arranged.
  • the adhesive for delimiting the first or the second fluid channel and the adhesive for the material-locking connection of the first and second disc the same or the same type of adhesive, for example, epoxy resin adhesive can be used for this purpose.
  • a phenolic resin adhesive can be used to delimit the first and / or second fluid channel, for example, and for material connection of the first and / or second disc an acrylate adhesive.
  • the inventive method for producing the heat exchanger according to the invention comprises the steps: provide at least a first disc and at least one second disc and preferably the first disc and / or second disc at least partially, in particular completely, of metal, for.
  • the adhesive is expediently applied to the at least one first and / or second disk before the at least one first disk is connected to the at least one second disk, and the adhesive is preferably applied by dispensing, screen printing or pad printing and / or the first and second discs are bonded to one another with the adhesive.
  • the at least one first disc and the at least one second disc are materially connected to one another by the same adhesive which delimits the first fluid channel or the at least one first disc and the at least one second disc are connected to one another with a first adhesive and a second other adhesive, the first fluid channel is limited and / or complementary to the first fluid channel between the at least one pair of stacked disk, a second fluid channel between the at least one additional stacking disk pair produced in an analogous manner as the first fluid channel.
  • an inlet and / or outlet opening for the first and / or second fluid is incorporated in the first and / or second disc, z.
  • machining chemical, electrochemical or by separating processes or by punching.
  • the adhesive hardens after stacking the first and second discs.
  • At least 1%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% or 90% of the volume between the first and second disks is filled by the adhesive.
  • the adhesive is epoxy resin adhesive, for. B. one-, two- or multi-component, and / or a reactive epoxy hot melt adhesive and / or polyurethane adhesive, for. B. one or two-component and solvent-free, and / or reactive polyurethane hot melt adhesive, z. B. solvent-free, and / or polyurethane solvent adhesive, eg. B. one or two-component, and / or polyurethane dispersion adhesive and / or acrylate adhesive, z. B. Canacrylatklebstoff, radiation-curing acrylate adhesive, methacrylate adhesive or anaerobic acrylate adhesive, and / or Polysterharzklebstoff, z.
  • the adhesive has fillers.
  • Fig. 1 is a first disc 4 and a second disc 5 made of metal, for. As aluminum or steel.
  • the upper first disc 4 and the lower second disc 5 are not yet connected to each other and are used to produce a heat transfer 1.
  • the heat exchanger 1 ( 4 to 6 ) is used for example in an internal combustion engine to cool exhaust gas of the internal combustion engine by means of cooling liquid of the internal combustion engine.
  • the two disks 4, 5 are planar or flat and the first disk 4 has an inlet opening 7 for a first fluid and an outlet opening 8 for a second fluid.
  • the second disc 5 has an upper side, which in Fig. 1 is visible. This top of the second disc 5 was first cleaned, z. B. chemically or mechanically, and then is on top of the second disc 5 with a robot-controlled Dispenserstrom or screen printing (-strom) or multi-stage screen printing (-strom) or pad printing (-strom) or spraying (-strom) or rolling (-strom ) an adhesive 12 has been applied. This is a first adhesive 13, z. In this case, by means of the dispenser system, the adhesive 12 is applied in its geometry such that a meandering first fluid channel 6 is formed.
  • any other geometry of the first fluid channel 6 can be easily prepared by the program in the dispenser or screen printing (multi-stage screen printing (system) or pad printing (-strom) or spraying (plant) or rolling (-strom) other program data be entered for application.
  • spacers 18 are optionally placed on top of the second disc.
  • the first disc 4 is placed on the second disc 5 and thereby arises between the first disc 4 and the second disc 5 due to the geometry of the adhesive 12, the first fluid channel 6.
  • the first fluid is introduced through the inlet port 7 and through the outlet port 8, the first fluid to be discharged.
  • mechanical devices eg.
  • the illustrated two discs 4, 5 can also be used to analogously a second fluid channel 9 between an additional Form stacking disc pair 16, so that the first disc 4 has an inlet and outlet opening 10, 11 for the second fluid.
  • the stacking disk pairs 3 and the additional stacking disk pairs 16 are stacked in a heat exchanger 1 in a larger number alternately stacked or arranged to the heat exchanger. 1
  • a second embodiment of the stacking disk pair 3 and the additional stacking disk pair 16 is shown.
  • the adhesive 12 as the first adhesive 13, which delimits the first fluid channel 6 or the second fluid channel 9
  • a second adhesive 14 is additionally applied to the upper side of the second disc 5.
  • the second adhesive 14 is in Fig. 2 plaid shown.
  • the second adhesive 14 serves for material connection between the first disc 4 and the second disc 5, so that no mechanical connection, for. B. with brackets, between the first disc 4 and the second disc 5 is necessary.
  • the first adhesive 13 for limiting the first or second fluid channel 6, 9 and the second adhesive 14 for the material connection of the two discs 4, 5 is a different adhesive than the first adhesive 13.
  • the first adhesive 13 is z. B. epoxy resin adhesive and the second adhesive z. B. polyurethane adhesive.
  • a third embodiment of the stacking disk pair 3 and the additional stacking disk pair 16 is shown.
  • the first adhesive 13 for limiting the first and second fluid channels 6, 9 and the second adhesive 14 is applied in the same way as in the second embodiment.
  • a third adhesive 15 is applied to the first and second adhesives 13, 14 and to the third adhesive 15 cohesively indirectly, the first disc 4 connected to the second disc 5.
  • the type of adhesive can be the same in all three cases.
  • a first embodiment of the heat exchanger 1 is shown in a cross section.
  • a plurality of stacking disk pairs 3 and additional stacking disk pairs 16 are arranged one above the other.
  • the stacking disk pairs 3 and the auxiliary stacking disk pairs 16 are in accordance with the in Fig. 1 illustrated embodiment formed.
  • the first fluid channel 6 between the two disks 4, 5 of the stacking disk pair 3 and the second fluid duct 9 between the disks 4 is thus the first adhesive 13 with the adhesive 12 , 5 of the additional stacking disk pairs 16 limited.
  • 5 spacers 18 can be used in each case.
  • the discs 4, 5 of the heat exchanger 1 under bias by means of a mechanical means, for. B. a retaining clip, pressed together.
  • This mechanical means is in Fig. 4 not shown.
  • the first fluid can be introduced into the heat exchanger 1 through an inlet opening 7 for the first fluid, not shown, and the first fluid can be discharged from the heat exchanger 1 from an outlet opening 8, not shown, for the first fluid.
  • the second fluid is introduced through an inlet opening 10 into the heat exchanger 1 and discharged through an outlet opening 11 from the heat exchanger 1 (also not shown).
  • the discs 4, 5 of the heat exchanger 1 have in their longitudinal sides in Fig. 1 not shown bulges, to which the first fluid channel 6 and the second fluid channel 9 is guided.
  • a spacer 18 with a passage bore (not shown) is also arranged.
  • the first fluid which flows between the first uppermost stacking disc pair 3 through the first fluid channel to the from above considered following second stacking disk pair 3 are passed.
  • This also applies analogously to the additional stacking disk pairs 16.
  • the heat exchanger 1 has only one inlet and outlet opening 7, 8 for the first fluid and only one inlet and outlet opening 10, 11 for the second fluid.
  • a second embodiment of the heat exchanger 1 is shown.
  • no adhesive 12 for limiting the second fluid channel 9 is arranged between the discs 4, 5 of the additional stacking disc pair 16.
  • spacers 18 serve to a predetermined distance, z. B. 3 mm or 4 mm, between the discs 4, 5 of the additional stacking disk pairs 16 to provide.
  • a plate-like flow space 17 forms as a second fluid channel 9 between the discs 4, 5 of the additional stacking disc pairs 16.
  • the stacked stacked stacked pairs of disks 3 and auxiliary stacking disk pairs 16 are interconnected due to a bias with a mechanical means.
  • the stack of stacked disk pairs 3 and additional stacking disk pairs 16 arranged one above the other is arranged inside a fluid-tight housing 2.
  • the housing 2 has the inlet and outlet openings 7, 8 for the first fluid and the inlet and outlet openings 10, 11 for the second fluid.
  • the first fluid flows between the meandering first fluid channel 6 between the discs 4, 5 of the stacking disc pairs 3 and is from an upper to a further lower stacking disc pair 3 in an analogous manner as in the first embodiment by bulges on the discs 4, 5 and spacers 18 with flow holes routed.
  • the second fluid surrounds the stacked disk pairs 3 and the additional stacking disk pairs 16 within the fluid-tight housing 2 and flows between the plate-like flow space 17 between the plates 4, 5 of the auxiliary stacking disk pairs 16. This allows heat from the first fluid to the second Fluid transferred and vice versa.
  • a third embodiment of the heat exchanger 1 is shown.
  • the connection between the disks 4, 5 of both the stacking disk pairs 3 and the auxiliary stacking disk pairs 16 is carried out with the aid of the second adhesive 14.
  • the second adhesive 14 there is a cohesive connection by means of the adhesive 14 between the panes 4, 5 of the heat exchanger 1.
  • the discs 4, 5 of the heat exchanger 1 in the same way are materially interconnected as in Fig. 2 already shown and described in the second embodiment of the stacking disk pair. 3
  • the first and / or second and / or third adhesive may each be the same or different from one of the other adhesives.

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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)

Claims (7)

  1. Echangeur de chaleur (1), du type à plaques, comprenant
    - au moins une paire de plaques empilées (3) comportant une première plaque (4) de la pile et une seconde plaque (5) de la pile, de sorte qu'au moins un premier conduit de fluide (6), prévu pour un premier fluide, est contenu entre la première et la seconde plaque de la pile (4, 5),
    - une ouverture d'entrée et de sortie (7, 8) pour le premier fluide,
    - un second conduit de fluide (9),
    - une ouverture d'entrée et de sortie (10, 11) pour le second fluide,
    où le premier conduit de fluide (6) est délimité entre la première et la seconde plaque (4, 5) de la pile, par une première matière adhésive (12), et la première matière adhésive (12) est disposée entre la première et la seconde plaque (4, 5) de la pile, et où la première et / ou la seconde plaque (4, 5) de la pile se compose au moins partiellement, en particulier en totalité, de métal, par exemple d'acier ou d'aluminium, ou bien de matière plastique, et
    l'échangeur de chaleur (1) comprend au moins une paire de plaques supplémentaires empilées (16), comportant une première plaque supplémentaire (4) et une seconde plaque supplémentaire (5),
    de sorte que le second conduit de fluide (9) est formé entre la première et la seconde plaque supplémentaire (4, 5), et le second conduit de fluide (9) est délimité entre la première et la seconde plaque supplémentaire (4, 5), par une deuxième matière adhésive (12), et la deuxième matière adhésive (12) est disposée entre la première et la seconde plaque supplémentaire (4, 5), et
    le premier conduit de fluide (6) est délimité partiellement par la première et / ou la seconde plaque (4, 5) et
    l'échangeur de chaleur (1) comprend une multiplicité de paires de plaques empilées (3) et de paires de plaques supplémentaires empilées (16), et les paires de plaques empilées (3) et les paires de plaques supplémentaires empilées (16) sont disposées en étant superposées de manière alternée, caractérisé en ce qu'une matière adhésive est appliquée localement entre deux plaques, telles qu'une ou des plaque(s) empilée(s) et / ou une ou des plaque(s) supplémentaire(s), ladite application servant à la production d'éléments de turbulences qui humidifient au moins une surface ou les deux surfaces opposées des plaques contiguës.
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que le premier conduit de fluide (6), sans tenir compte de la première et de la seconde plaque (4, 5) de la pile, est délimité exclusivement par une première matière adhésive (12), et / ou un intervalle, se situant par exemple dans la plage comprise entre 1 mm et 10 mm, subsiste entre la première plaque (4) de la pile et la seconde plaque (5) de la pile et / ou un premier plan défini à partir de la première plaque (4) de la pile et un second plan défini à partir de la seconde plaque (5) de la pile sont orientés en étant pratiquement parallèles l'un à l'autre.
  3. Echangeur de chaleur selon l'une des revendications précédentes, caractérisé en ce que le second conduit de fluide (9), entre la première et la seconde plaque supplémentaire (4, 5) de la paire de plaques supplémentaires empilées (16) au moins au nombre de un, est configuré comme un espace d'écoulement (17) en forme de plaque.
  4. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que la première et la seconde plaque (4, 5) sont assemblées l'une à l'autre par continuité de matière, avec la première ou la deuxième matière adhésive (12), pour former la paire de plaques empilées (3) et / ou la paire de plaques supplémentaires empilées (16) et, de préférence, une troisième matière adhésive (12), qui sert à l'assemblage des paires de plaques empilées (3) et / ou des paires de plaques supplémentaires empilées (16) et / ou d'une plaque de la pile et d'une plaque supplémentaire de la pile, est une matière adhésive (12) autre ou la même que la première matière adhésive ou la deuxième matière adhésive (12) qui délimite le premier et / ou le second conduit de fluide (6, 9), et / ou la paire de plaques empilées (3) au moins au nombre de un et, de préférence, la paire de plaques supplémentaires empilées (16) au moins au nombre de un sont disposées à l'intérieur d'un carter (2), de préférence étanche au fluide.
  5. Procédé de fabrication d'un échangeur de chaleur (1) selon l'une quelconque des revendications précédentes 1 à 4, comprenant les étapes consistant :
    - à fournir au moins une première plaque (4) et au moins une seconde plaque (5) et, de préférence, la première et / ou la seconde plaque (4, 5) au moins au nombre de un est fournie en étant au moins partiellement, en particulier en totalité, composée de métal, par exemple composée d'acier ou d'aluminium,
    - à assembler la première plaque (4) au moins au nombre de un et la seconde plaque (5) au moins au nombre de un pour former au moins une paire de plaques empilées (3),
    - de sorte qu'un premier conduit de fluide (6) est formé à chaque fois entre la première et la seconde plaque (4, 5),
    où une matière adhésive (12) est disposée entre la première et la seconde plaque (4, 5), et le premier conduit de fluide (6) est délimité par la matière adhésive (12).
  6. Procédé selon la revendication 5, caractérisé en ce que la matière adhésive (12) est appliquée sur la première et / ou la seconde plaque (4, 5) au moins au nombre de un, avant de procéder à l'assemblage de la première plaque (4) au moins au nombre de un, avec la seconde plaque (5) au moins au nombre de un et, de préférence, la matière adhésive (12) est appliquée avec un dispositif distributeur, par sérigraphie, avec des rouleaux, par pulvérisation ou par tampographie, et / ou la première et la seconde plaque (4, 5) sont assemblées l'une à l'autre par continuité de matière, avec la matière adhésive (12).
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que la première plaque (4) au moins au nombre de un et la seconde plaque (5) au moins au nombre de un sont assemblées l'une à l'autre par continuité de matière, avec la même matière adhésive (12) qui délimite le premier conduit de fluide (6), ou bien la première plaque (4) au moins au nombre de un et la seconde plaque (5) au moins au nombre de un sont assemblées l'une à l'autre avec une première matière adhésive (13), et le premier conduit de fluide (6) est délimité par une autre deuxième matière adhésive (14) et / ou, venant en complément du premier conduit de fluide (6) formé entre la paire de plaques empilées (3) au moins au nombre de un, un second conduit de fluide (9), formé entre au moins une paire de plaques supplémentaires empilées (16), est réalisé de manière analogue à celle du premier conduit de fluide (6).
EP12160522.4A 2011-03-21 2012-03-21 Échangeur de chaleur Not-in-force EP2503275B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011005830A DE102011005830A1 (de) 2011-03-21 2011-03-21 Wärmeübertrager

Publications (3)

Publication Number Publication Date
EP2503275A2 EP2503275A2 (fr) 2012-09-26
EP2503275A3 EP2503275A3 (fr) 2014-04-02
EP2503275B1 true EP2503275B1 (fr) 2017-08-30

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Publication number Priority date Publication date Assignee Title
DE102015110522B4 (de) * 2015-06-30 2017-04-27 Karlsruher Institut für Technologie Verfahren zur Herstellung von Rohteilen mit innenliegenden Kanälen
WO2023243194A1 (fr) * 2022-06-15 2023-12-21 株式会社神戸製鋼所 Échangeur de chaleur

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FR2412805A1 (fr) * 1977-12-23 1979-07-20 Vironneau Pierre Echangeur de chaleur a plaques et procede de realisation d'un tel echangeur

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EP2503275A3 (fr) 2014-04-02
EP2503275A2 (fr) 2012-09-26

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