EP2628896B1 - Dispositif de transfert de chaleur - Google Patents

Dispositif de transfert de chaleur Download PDF

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Publication number
EP2628896B1
EP2628896B1 EP13155041.0A EP13155041A EP2628896B1 EP 2628896 B1 EP2628896 B1 EP 2628896B1 EP 13155041 A EP13155041 A EP 13155041A EP 2628896 B1 EP2628896 B1 EP 2628896B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
fluid
box
tubes
core
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
EP13155041.0A
Other languages
German (de)
English (en)
Other versions
EP2628896A2 (fr
EP2628896A3 (fr
Inventor
Matthias Dipl.-Ing. Fehrenbach (FH)
Mark Dipl.-Ing. Schienemann (FH)
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 EP2628896A2 publication Critical patent/EP2628896A2/fr
Publication of EP2628896A3 publication Critical patent/EP2628896A3/fr
Application granted granted Critical
Publication of EP2628896B1 publication Critical patent/EP2628896B1/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
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0234—Header boxes; End plates having a second heat exchanger disposed there within, e.g. oil cooler
    • 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F28D7/0083—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium
    • F28D7/0091—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium the supplementary medium flowing in series through the units
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • 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
    • F28D2021/0082—Charged air coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the invention relates to a heat exchanger arrangement, in particular for charge air cooling, with a first heat exchanger and a second heat exchanger, which are flowed through by a first fluid to be cooled such that the first heat exchanger is arranged in the flow direction of the first fluid before the second heat exchanger.
  • intercooling is essential in order to achieve high engine performance.
  • intercoolers are as heat exchangers in motor vehicles in application, which in the past mainly air-cooled charge air cooler in the cooling module in the vehicle front were used.
  • the proportion of coolant-cooled charge air coolers is increasing, which has the advantage that the coolant-cooled charge air cooler no longer has to be arranged in the cooling module, but can also be arranged flanged to another location in the engine compartment, for example directly flanged to the engine.
  • the coolant-cooled intercoolers have the disadvantage over the air-cooled intercoolers that the coolant usually has a higher temperature than the air for the air-cooled intercooler, so that the temperature drop in coolant-cooled intercoolers is usually lower than in air-cooled intercoolers.
  • EP 2 412 950 A1 EP 0 289 406 A1 .
  • EP 2 161 429 A2 and DE 10 2006 032 205 A1 known.
  • a heat exchanger arrangement is provided, in particular for charge air cooling, with a first heat exchanger and a second heat exchanger, which are flowed through by a first fluid to be cooled such that the first heat exchanger is arranged in the flow direction of the first fluid before the second heat exchanger, wherein the first heat exchanger is traversed by a first cooling fluid and the second heat exchanger is flowed through by a second cooling fluid, such that the first heat exchanger cools the first fluid to a first temperature and the second heat exchanger cools the first fluid from the first temperature to a second temperature, the lower as the first temperature, wherein the first and the second heat exchanger are formed as a structural unit.
  • the first heat exchanger has an inlet box and an outlet box for the first fluid and a heat transfer core arranged therebetween, wherein the second heat exchanger is arranged in the outlet box of the first heat exchanger or downstream of the outlet box of the first heat exchanger.
  • the second heat exchanger has an inlet box and an outlet box for the first fluid and a heat transfer core arranged therebetween, wherein the first heat exchanger in the inlet box of the second Heat exchanger arranged or upstream of the inlet box of the second heat exchanger.
  • first heat exchanger has an inlet box and a first heat exchanger core and the second heat exchanger has a second heat exchanger core and an outlet box for the first fluid, wherein the two heat exchanger cores are accommodated in a common housing or each have their own housing or into one Housing are received and / or connected to each other by means of a connecting element.
  • the first and / or the second heat transfer core is a shell and tube heat transfer core with a bundle of tubes through which the first fluid can be taken, which are received at their ends in openings of a tube plate, the tubes of the first and second cooling fluid can flow around.
  • the inlet box of the second heat exchanger and / or the outlet box of the first heat exchanger has an opening in which the first or the second heat exchanger is introduced.
  • the first and / or the second heat transfer core is a Rohrbündelianoschreibtragerkern or Scheibentownübertragerkern, with a bundle or stack of pipes or disks, wherein the tubes or disks are flowed around by the first fluid and wherein the tubes or disks of the first or second cooling fluid can be flowed through.
  • the inlet box of the second heat exchanger and / or the outlet box of the first heat exchanger has an opening in which the first or the second heat exchanger is introduced.
  • the heat exchanger introduced into the opening has on one side a collecting box which at least partially protrudes from the opening and has at least one connection for a cooling fluid.
  • outlet box of the first or the second heat exchanger is a distributor strip of the cylinder head or can be connected to such.
  • FIG. 1 shows a heat exchanger assembly 1 with a first heat exchanger 2 and a second heat exchanger 3, which are flowed through by a first fluid to be cooled 4, such as charge air.
  • a first fluid to be cooled 4 such as charge air.
  • the arrows 5 and 6 are used, which characterize the inflow of the fluid 4 into the inlet box 7 of the first heat exchanger, and the outflow of the first fluid 4 from the outlet box 8 of the first heat exchanger.
  • the first heat exchanger 2 is thus formed by an inlet box 7 and an outlet box 8, wherein between the inlet box 7 and the outlet box 8, a heat transfer core 9 is arranged, which is flowed through by the first fluid 4.
  • the first heat transfer core 9 is designed as a tube bundle heat transfer core, in which a plurality of tubes 10 in tube sheets 11 and 12 are arranged end and fluid-tight, so that the inflowing fluid 4 can flow from the inlet box 7 inside through the tubes 10 to the outlet box 8, while the tubes in the tube bundle are received in a housing 13 and can be flowed around by a cooling fluid.
  • the housing 13 has an inlet connection 14 and an outlet connection 15, so that the cooling fluid 16 can flow into the inlet connection 14 according to the arrow 17, can flow around the tubes 10 and can then flow out of the outlet connection 15, see arrow 18.
  • the first heat transfer core 9 cools the inflowing first fluid 4 from an inlet temperature to a first temperature at which the fluid enters the outlet box 8.
  • the second heat exchanger 3 is arranged in the outlet box 8, so that substantially all of the flow of the first fluid 4 from the first heat exchanger core thereafter flows through the second heat exchanger core 19 of the second heat exchanger 3 before it can exit the outlet box 8.
  • the first fluid 4 flows according to the arrow 20 through the first heat exchanger 2, wherein the cooling fluid according to arrow 21 flows in the opposite direction, so that there is a counter-current arrangement.
  • the second heat exchanger 3 is arranged transversely to the flow direction 20 of the first fluid, so that the first fluid can flow through the heat exchanger in its full width perpendicular to the flow direction of the fluid 22.
  • the second cooling fluid 23 flows through the inlet port 24 in the heat exchanger 3, flows through the heat exchanger according to arrow 22 transversely to the flow direction 20 of the first fluid is deflected in the collection box 25, for example, U-shaped and flows thereafter according to arrow 26 back to the collection box 27 back, from where it can flow out of the heat exchanger 3 again.
  • the heat exchanger 3 is seated with a flange 28 in an opening 29 of the outlet box 8 and serves to cool the fluid from a first temperature, with which it leaves the first heat exchanger, to a second temperature which is below the first temperature ,
  • Suction tube 50 shown includes an inlet box 51.
  • This can be formed as a plastic injection molded part. Alternatively, it may also be formed as a metal part.
  • the inlet box 51 tapers in cross-section in a width direction B of the suction pipe 50.
  • an inlet port 52 for supplying a first fluid, such as charge air, is provided, such as flanged.
  • the feed is indicated by the arrow 53.
  • the inlet box 51 essentially fulfills the function of an inlet side
  • the heat exchanger 54 is flowed through in a direction according to arrow 55 of the first fluid, wherein heat of the fluid is delivered to a first cooling fluid in the form of a liquid coolant.
  • a motor flange 56 On the outlet side of the heat exchanger 54 through which the first fluid flows, a motor flange 56 is arranged, which can be flanged directly to a cylinder head (not shown) of an internal combustion engine. In the present case, the fixing takes place by means of sealing surfaces 57 and fastening bores 58.
  • the passage cross-section of the motor flange 56 widens in the flow direction of the first fluid from the outlet of the heat exchanger 54 to the connection plane of the cylinder head.
  • the flange 56 is the outlet box of the heat exchanger, which can then direct the first fluid directly into the cylinder head of the engine.
  • the heat exchanger is formed by the inlet box 51, the outlet box 56 and the heat transfer core 59, which is arranged between the two boxes 51, 56.
  • the heat transfer core 59 is connected by means of a flange 60, 61 with the inlet box 51 and outlet box 56.
  • the heat transfer core 59 is flowed through by a first cooling fluid, which flows through the port 62, flows through the core 59 and flows out again at the port 63.
  • the first cooling fluid flows in countercurrent according to arrow 64 to the flow direction 55 of the first fluid.
  • the motor flange 56 is presently formed as an aluminum die cast part. But it can also be formed as a plastic part. It comprises at a lateral region a connection member 65 for a high pressure exhaust gas recirculation, which is also optional and may be omitted.
  • the heat transfer core 70 is in Fig. 3 as well as in the exploded illustration Fig. 4 shown in detail. It comprises a plurality of tubes 71 stacked in the width direction B and formed as flat tubes.
  • the broad sides of the flat tubes extend in the vertical direction H and depth direction T.
  • the narrow sides of the flat tubes extend in the vertical direction H and width direction B.
  • turbulence inserts or ribs which are each arranged between the broad sides of adjacent flat tubes 71. These can also be soldered flat with the pipes.
  • the flat tubes 5 are presently formed as folded from sheets and welded or extruded flat tubes. Alternatively, they can also be designed as extruded profiles. Depending on requirements, the flat tubes 71 can have indentations inwards and / or outwards in order to generate turbulence and / or to ensure a defined spacing of adjacent flat tubes during assembly. The interior of the flat tubes 71 may alternatively or in addition to such forms be provided with turbulence inserts or fin sheets.
  • the flat tubes 71 open at the ends in openings 72 with or without passages of a tube plate 73.
  • the tube plates 73 are produced as sheet metal parts from an aluminum sheet.
  • On the inlet side and outlet side bottom 73 are advantageously identical, whereby the number of different components is reduced.
  • the stack of flat tubes 71 is surrounded by a water jacket 74, which has a first water jacket part 75 and a second water jacket part 76.
  • the water jacket 74 also forms part of the housing of the suction pipe according to the invention, which is formed overall by the inlet section 51, the water jacket 74 and the motor flange 56.
  • Both water jacket parts 75, 76 each have a base 77, 78 with two end, angled legs 79.
  • the base 77, 78 extends in each case along the width direction B transverse to the flow direction of the first fluid, such as the charge air, and is flat with the narrow sides the exchanger tubes 71 soldered.
  • the legs 79 each cover a portion of a broad side of each outer flat tube 71 of the stack and are soldered flat with this broadside.
  • the water jacket has two bases 77, 78 and two end side portions 79 formed separately from the base.
  • both the base and the side parts are substantially flat and form the four sides of a square or box.
  • the base 77, 78 extends in each case along the width direction B transversely to the flow direction of the first fluid, such as the charge air, and is soldered flat with the narrow sides of the exchanger tubes 71.
  • the side parts 79 cover the broad side of the respective outer flat tube 71 of the stack and are soldered flat with this broad side.
  • the lateral limb can also be full-surface and be spaced from the lateral flat tubes, so that a housing forms, which can be flowed through completely and thus also the outer flat tubes can be flowed around.
  • the water jacket parts 75, 76 each have, in the region of their bases 77, 78, elongated bulges 81 extending in the width direction B, which function as collectors for the liquid first cooling fluid flowing around the flat tubes 71.
  • For supply and discharge of the cooling fluid are on the bulges 81 of a water jacket part ports 82, 83 are provided.
  • the bulges 81 on the second water jacket part shown below, improve the distribution of the cooling fluid, which flows essentially in the vertical direction H opposite to the flow direction of the first fluid charge air along the broad sides of the flat tubes 71, that flows in the counterflow direction with respect to the first fluid.
  • the ports may also be provided on different sides of the water jacket.
  • the tubesheets 73 are mechanically preassembled or cassetted together with the flat tubes 71 and the water jacket parts 75, 76 and soldered in a brazing oven to form a heat exchanger block.
  • suitable surfaces of the individual components are plated with solder.
  • the floors have edges that are 90 ° angled, which are advantageously provided with corrugated slots.
  • FIGS. 5, 6 . 7 and 8 show schematic embodiments of heat exchangers, which can be used as first or second heat exchanger, and which can be arranged in an inlet and outlet box.
  • the heat exchangers 101, 102, 103 each have a heat transfer core 104, 105, 106 and a first collection box 107, 108, 109 and a deflection box 110, 111, 112, wherein the one collecting box 107, 108, 109 and the deflection box 110th , 111, 112 are respectively disposed at opposite ends of the heat exchanger core.
  • the collecting box 107, 108, 109 respectively has an inlet port 113 and an outlet port 114, so that a first or second cooling fluid can flow through the inlet port into the collecting box, through which the heat exchanger core can flow in order to be deflected in the deflection box, in order subsequently to flow through the heat exchanger core again to flow back into the collecting box, which is advantageously separated by a partition, to flow out through the outlet port 114 again from the heat exchanger.
  • a flange 115 is provided, which serves that the heat exchanger in an opening in a housing, such as an inlet box or an outlet box, can be arranged and sealed sealed.
  • a heat transfer core according to the FIGS. 5 to 8 is advantageously designed as a radiator block with tubes and ribs, wherein the tubes are fluid-tightly fitted and connected to the manifolds through openings in a tube sheet and a coolant flows through the interior of the tubes, wherein between the tubes advantageous ribs or turbulence liners are arranged so that transversely to the flow direction of the fluid through the tubes can flow through a first fluid, or can flow around the tubes of the radiator block to flow through the heat exchanger.
  • FIGS. 6 . 7 and 8 show embodiments of a heat exchanger in which the collecting box is arranged with the flange plate at a lateral small end of the heat exchanger core
  • the embodiment of the FIG. 5 an embodiment is, in which the collecting box is arranged with the flange plate at a lateral larger end portion of the heat exchanger core.
  • the Gland plate arranged substantially in a plane parallel to a plane of the tubes
  • the flange plate is arranged substantially in a plane which is aligned perpendicular to the plane of the flat tubes.
  • a heat exchanger according to the FIGS. 5 to 8 can thus easily into an opening of an inlet or outlet box according to the FIG. 1 be integrated, so that the heat exchanger can form the second heat exchanger in the outlet of the first heat exchanger.
  • FIG. 9 shows a further non-inventive embodiment of a heat exchanger assembly 200, in which two heat exchanger cores 201 and 202 are accommodated in a housing 203.
  • the FIGS. 10 and 11 show this heat exchanger arrangement again in a perspective view from the outside, or a heat transfer core with tubes and tube sheets.
  • FIG. 11 shows the heat exchanger core 201 as an array of tubes 204 which are received in tube plates 205, 206 in openings, wherein between the tubes 204 each turbulence inserts 207 are arranged, which are flowed through by a flowing around the tubes coolant.
  • FIG. 12 shows a non-inventive heat exchanger assembly, which consists of substantially two heat exchanger cores substantially corresponding to Figures 3 or 4 or this heat exchanger cores similar is formed.
  • a first heat transfer core 301 is arranged between an inlet box 302 and an intermediate element 303, wherein the second heat transfer core 304 is arranged between the intermediate element 303 and the outlet box 305.
  • the first fluid to be cooled flows according to arrow 306 through the inlet connection flange or through the inlet connecting piece 307 into the inlet box 302. Subsequently it flows through the heat transfer core 301. From there it flows into the intermediate element 303, which serves as a coupling element. From there, the first fluid flows through the second heat exchanger core 304 and then through the outlet box 305 and the corresponding connecting piece 308 according to arrow 309 again.
  • the heat exchanger cores have a housing with a corresponding cover 310, 311, wherein connecting pieces 312, 313, 314 and 315 are provided, for the inflow or outflow of a first cooling fluid for the first heat transfer core 301 and for a second cooling fluid for the second heat transfer core 304 ,
  • the tubesheets 316, 317, 318, 319 are respectively arranged on both sides of the heat exchanger core 301 or 304 and serve the connection between the heat exchanger core and the inlet box 302 and the outlet box 305 and with the intermediate element 303.
  • the connection is advantageous via a corrugated slot flange.
  • tubes 204 may further not shown charge air side ribs may be arranged.
  • the inlet box 208 is formed as a funnel-shaped element with a pipe connection piece 209.
  • the outlet box 210 is schematically formed as an opening box, which is connectable to a cylinder head of the engine.
  • the housing parts 203 of the individual heat exchanger cores are connected to one another at the interface, advantageously formed integrally with one another. It may be particularly advantageous if the housing or the housing 203 is made in one piece from plastic.
  • the housing structure may be formed substantially rectangular, wherein on the surface of a rib-like design may be formed to improve the strength.
  • connecting stubs 211, 212, 213 and 214 can be seen, which serve to admit and discharge a first cooling fluid and a second cooling fluid into the first heat exchanger core and into the second heat exchanger core, respectively.
  • the first cooling fluid is introduced into the inlet 212, flows through the heat exchanger core and flows around the tubes 204 arranged there and is discharged from the heat exchanger core at the outlet 211 again.
  • the second cooling fluid is introduced into the second heat exchanger core, it also flows through the heat exchanger core and flows around the tubes 204 arranged there, before it leaves the heat exchanger core again at the outlet connection 213.
  • the two heat exchanger cores are thus flowed through in countercurrent in comparison to the flow direction of the first fluid, such as the charge air.
  • the heat exchanger assembly is surrounded by a housing 203 as a plastic jacket.
  • the housing can be made of plastic or alternatively of metal, such as aluminum.
  • the two cooling fluids are separated via the seal 215 between the middle floors 216, 217 with the housing 203, so that there can be no mixing of the circuits.
  • the two tube bundles of heat exchanger cores can also be welded directly to each other or via a mechanical connection, such as crimping or screws or gluing over a plastic or aluminum intermediate element as Coupling element to be connected.
  • An intermediate element which is sealed by elastomer seals on both floors, has the advantage that this as a decoupling element thermoelectric and Can reduce vibration stresses that can occur between the two components.

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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 (8)

  1. Agencement d'échangeurs de chaleur (1), en particulier servant au refroidissement d'air de suralimentation, ledit agencement comprenant un premier échangeur de chaleur (2) et un deuxième échangeur de chaleur (3) qui sont traversés par un premier fluide (4) à refroidir, étant traversés de manière telle que le premier échangeur de chaleur (2) est disposé, dans la direction d'écoulement du premier fluide (4), en amont du deuxième échangeur de chaleur (3), où le premier échangeur de chaleur est traversé par un premier fluide de refroidissement et le deuxième échangeur de chaleur est traversé par un deuxième fluide de refroidissement, de manière telle que le premier échangeur de chaleur refroidit le premier fluide à une première température et le deuxième échangeur de chaleur refroidit le premier fluide passant de la première température à une deuxième température qui est inférieure à la première température, où le premier et le deuxième échangeur de chaleur sont conçus comme un ensemble, caractérisé en ce que le premier échangeur de chaleur (2) présente un bac d'admission (7) et un bac d'échappement (8) pour le premier fluide (4) et un noyau d'échangeurs de chaleur (9) disposé entre lesdits bacs, où le deuxième échangeur de chaleur (3) est disposé dans le bac d'échappement (8) du premier échangeur de chaleur (2), ou bien le deuxième échangeur de chaleur (3) présente un bac d'admission et un bac d'échappement pour le premier fluide (4) et un noyau d'échangeurs de chaleur disposé entre ces bacs, où le premier échangeur de chaleur est disposé dans le bac d'admission du deuxième échangeur de chaleur.
  2. Agencement d'échangeurs de chaleur selon la revendication 1, caractérisé en ce que le premier échangeur de chaleur (2) présente un bac d'admission (7) et un premier noyau d'échangeurs de chaleur (9, 201), et le deuxième échangeur de chaleur (3) présente un deuxième noyau d'échangeurs de chaleur (202) et un bac d'échappement pour le premier fluide, où les deux noyaux d'échangeurs de chaleur (201, 202) sont logés dans un carter commun (203) ou bien présentent respectivement un propre carter, ou bien sont logés dans un carter et / ou sont reliés l'un à l'autre au moyen d'un élément d'assemblage.
  3. Agencement d'échangeurs de chaleur selon l'une des revendications précédentes, caractérisé en ce que le premier et / ou le deuxième noyau d'échangeurs de chaleur (201, 202) est un noyau d'échangeurs de chaleur à faisceaux de tubes, ledit noyau comprenant un faisceau de tubes pouvant être traversés par le premier fluide, lesquels tubes sont logés à chaque fois au niveau de leurs extrémités, dans des ouvertures d'un plateau à tubes, où les tubes peuvent être baignés par le premier ou par le deuxième fluide de refroidissement.
  4. Agencement d'échangeurs de chaleur selon la revendication 3, caractérisé en ce que le bac d'admission du deuxième échangeur de chaleur et / ou le bac d'échappement (8) du premier échangeur de chaleur présente une ouverture dans laquelle est introduit le premier ou le deuxième échangeur de chaleur.
  5. Agencement d'échangeurs de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier et / ou le deuxième noyau d'échangeurs de chaleur (201, 202) est un noyau d'échangeurs de chaleur à faisceaux de tubes ou un noyau d'échangeurs de chaleur à plaques, ledit noyau comprenant un faisceau de tubes ou une pile de plaques, lesdits tubes ou lesdites plaques pouvant être baigné (e) s par le premier fluide, où les tubes ou les plaques peuvent être traversé(e)s par le premier ou par le deuxième fluide de refroidissement.
  6. Agencement d'échangeurs de chaleur selon la revendication 5, caractérisé en ce que le bac d'admission du deuxième échangeur de chaleur et / ou le bac d'échappement (8) du premier échangeur de chaleur présente une ouverture dans laquelle est introduit le premier ou le deuxième échangeur de chaleur (2, 3).
  7. Agencement d'échangeurs de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'échangeur de chaleur introduit dans l'ouverture présente, sur un côté, un bac collecteur qui dépasse au moins partiellement de l'ouverture et présente au moins un raccordement pour un fluide de refroidissement.
  8. Agencement d'échangeurs de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le bac de sortie du premier ou du deuxième échangeur de chaleur (2, 3) représente une barrette de distribution de la culasse ou bien peut être relié à une telle barrette de distribution.
EP13155041.0A 2012-02-14 2013-02-13 Dispositif de transfert de chaleur Not-in-force EP2628896B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012202234A DE102012202234A1 (de) 2012-02-14 2012-02-14 Wärmeübertrageranordnung

Publications (3)

Publication Number Publication Date
EP2628896A2 EP2628896A2 (fr) 2013-08-21
EP2628896A3 EP2628896A3 (fr) 2014-03-12
EP2628896B1 true EP2628896B1 (fr) 2018-11-21

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EP13155041.0A Not-in-force EP2628896B1 (fr) 2012-02-14 2013-02-13 Dispositif de transfert de chaleur

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US (1) US20130206364A1 (fr)
EP (1) EP2628896B1 (fr)
DE (1) DE102012202234A1 (fr)

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DE102012202234A1 (de) 2013-08-14
US20130206364A1 (en) 2013-08-15
EP2628896A3 (fr) 2014-03-12

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