EP1192402B1 - Wärmetauscher mit mehrkanalrohren - Google Patents

Wärmetauscher mit mehrkanalrohren Download PDF

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Publication number
EP1192402B1
EP1192402B1 EP00993738A EP00993738A EP1192402B1 EP 1192402 B1 EP1192402 B1 EP 1192402B1 EP 00993738 A EP00993738 A EP 00993738A EP 00993738 A EP00993738 A EP 00993738A EP 1192402 B1 EP1192402 B1 EP 1192402B1
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EP
European Patent Office
Prior art keywords
heat exchanger
fluid
manifold
exchanger according
tube
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.)
Expired - Lifetime
Application number
EP00993738A
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English (en)
French (fr)
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EP1192402A2 (de
Inventor
Sylvain Moreau
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Valeo Climatisation SA
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Valeo Climatisation SA
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Publication of EP1192402A2 publication Critical patent/EP1192402A2/de
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Publication of EP1192402B1 publication Critical patent/EP1192402B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/0202Header boxes having their inner space divided by partitions
    • F28F9/0204Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0308Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/035Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other with U-flow or serpentine-flow inside the conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0391Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits a single plate being bent to form one or more conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/02Tubular elements of cross-section which is non-circular
    • F28F1/022Tubular elements of cross-section which is non-circular with multiple channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00Reinforcing means
    • F28F2225/08Reinforcing means for header boxes

Definitions

  • the invention relates to heat exchangers, in especially for motor vehicles.
  • It relates more particularly to a heat exchanger suitable for constituting either a radiator for cooling the engine, either a radiator for heating the passenger compartment, or still an evaporator or a condenser of a circuit of air conditioner.
  • a heat exchanger of this type includes a bundle of tubes mounted between two fluid boxes by through respective collectors, and is specific to be traversed by a fluid.
  • a heat exchanger of this type is described in German Patent Application DE 197 19 259.
  • this fluid is the liquid used to cool the engine.
  • this fluid is a refrigerant.
  • the fluid is distributed between the tubes of the beam by successive passes in different groups of tubes and in respective directions of flow.
  • the bundle includes either flat tubes associated with corrugated dividers, i.e. tubes of circular or oval section crossing a series fins.
  • the change of password is obtained thanks to transverse and longitudinal partitions located inside the fluid boxes provided at both ends of the tube bundle.
  • partitions are either attached and brazed between the box fluid and the corresponding manifold, either obtained by stamping of the fluid box to define compartments who communicate respectively with groups of beam tubes.
  • the collector comprises openings, also called slots, fitted with collars linkage into which are inserted and brazed the ends of the tubes.
  • the object of the invention is in particular to overcome the drawbacks supra.
  • the tubes include each several channels separated by at least one partition longitudinal and are arranged in a single row, parallel to two large faces of the exchanger.
  • fluid circulation takes place in at least two layers parallel to the large faces of the exchanger and each formed from part of the channels of the tubes, and at least one of the fluid boxes includes a internal longitudinal partition suitable for dividing the box fluid in at least two communicating longitudinal compartments respectively with the two tablecloths.
  • the heat exchanger of the invention comprises tubes each having several channels, the respective channels of each tube being each time divided into at least two groups corresponding to traffic slicks.
  • each tube is divided into two groups, a first group which corresponds to a first tablecloth and a second group which corresponds to a second tablecloth.
  • a tube according to the invention has at least two channels which then correspond respectively with the two compartments aforementioned longitudinal.
  • the numbers of channels in the first group and in the second group can be equal or different.
  • one at less fluid boxes includes at least one partition transverse suitable for dividing the fluid box into at least two transverse compartments of which at least one establishes communication between two layers.
  • each tablecloth is divided into at least two sub-tablecloths connected in series and in which the circulation of the fluid takes place against the current from one sublayer to the next.
  • the heat exchanger heat includes two layers, each divided into two sub-layers, which makes it possible to define a circulation with four passes: two successive passes in the two sub-layers of a first layer, and then two successive passes in the two sub-layers of a second layer.
  • each collector has openings, also called slots, surrounded by collars for the introduction of the ends of the beam tubes and each collector is expected to be provided with a flat surface for soldering a can fluid.
  • This characteristic is particularly advantageous because it allows to oppose a perfectly flat surface for position the longitudinal partition and / or the partition transverse of the fluid box.
  • each fluid box includes a plan periphery and at least one coplanar partition (partition longitudinal and / or transverse bulkhead) suitable for brazed against the collector surface.
  • each collector is part of a collector plate attached by brazing to the collector and having openings aligned with the openings of the manifold.
  • the heat exchanger of the invention can comprise at least minus one leg from one edge of the manifold or plate manifold, or fluid box, said tab being folded respectively over one edge of the fluid box, or on an edge of the collector or the collector plate.
  • the end at least one longitudinal partition of the tube is positioned substantially at the level of the flat surface of the collector, so that this longitudinal wall of the tube can be brazed to an internal longitudinal partition of the fluid box.
  • the fluid boxes are advantageously each formed by stamping of a metal plate to define the perimeter plan and the coplanar partition.
  • At least one of the fluid boxes comprises at least one fluid inlet or outlet tubing.
  • each tube is a tube extruded, or that each tube is formed from a sheet folded and closed by longitudinal brazed joints, or still that each tube is formed of two sheet metal plates stamped parts which are tightly brazed.
  • the channels of the tubes are separated by partitions whose respective thicknesses have decreased since a central region of the tube towards the periphery.
  • the exchanger of heat constitutes an evaporator for a air conditioner.
  • Figure 1 shows part of a heat exchanger comprising a bundle having a multiplicity of tubes 10, only one of which is shown on the Figure 1.
  • These are flat tubes, arranged in a single row, and made by extruding a material metallic, preferably based on aluminum.
  • These tubes have a plurality of parallel internal channels 12 which are seven in the example and are separated by longitudinal partitions 78.
  • the row of tubes is parallel to two large opposite faces F1 and F2 of the exchanger heat.
  • the tubes 10 are spaced apart to delimit, between two adjacent tubes, an interval which can be free or occupied by a corrugated interlayer (not shown) forming heat exchange surface.
  • the tubes 10 have respective ends 14 received in a collector 16 consisting of a stamped metal plate of generally rectangular shape with two longitudinal sides corresponding respectively to the large faces F1 and F2 of the heat exchanger.
  • the end 14 of each tube 10 defines a flat face that extends perpendicular to the longitudinal direction of the tube and which also constitutes the end of each longitudinal partition 78
  • the collector 16 has a plurality of openings 18, also called slots, having an internal section adapted to the external section of a tube.
  • Each of the openings 18 is bordered by a collar 20 so that the openings 18 can receive respectively the ends 14 of the tubes 10 of the beam.
  • the ends 14 of the tubes are provided for be brazed with the respective collars 20 to ensure a waterproof connection.
  • the collector 16 receives a collecting plate 22 of form rectangular advantageously made of a base material aluminum.
  • This collector plate 22 is designed to be soldered to the collector 16 and to provide a surface plane 24, forming a reference surface, and it comprises a multiple openings 26, also called slots, arranged opposite the respective openings 18 of the collector 16.
  • openings 26 have a shape adapted to that of the ends 14 tubes for them to engage, at least in part, in the openings 26, without however exceeding plane defined by the planar surface 24.
  • the end 14 of each tube is positioned so that it is located substantially at the level of the flat surface 24.
  • the flat surface 24 is designed to receive a box for fluid 28, as shown in FIG. 2, which is produced by stamping a metal sheet, advantageously at aluminum base.
  • the fluid box 28 of Figure 2 includes a periphery device 30 of generally rectangular shape which is planar and clean to come into contact with the perimeter of the surface plane 24.
  • the periphery 30 has a shape general rectangular adapted to the rectangular shape of the flat surface 24. In the example shown in Figure 2, this the periphery comprises in particular two longitudinal edges 32.
  • the fluid box 28 includes a longitudinal partition 34 which extends parallel to the edges 32 and a transverse partition 36 which extends perpendicular to the partition 34 and edges 32.
  • the periphery 30 and the partitions 34 and 36 are coplanar.
  • the fluid box 28 is stamped to delimit compartments between the perimeter plane 30 and the partitions 34 and 36. There are four compartments here: two compartments 38 and 40 near one of the edges 32 and two other compartments 42 and 44 near the other edge 32.
  • Figure 3 shows the periphery 30 of the fluid box 28 applied against the periphery of the bearing surface 24 formed by the collector plate 22, the latter being brazed on the collector 16.
  • it is provided for at least one tab 45 coming from one edge of the manifold 16 and folded over one edge of the fluid box 28 to ensure provisional maintenance of the assembly for soldering.
  • the tab 45 could come from an edge of the manifold plate 22 or fluid box 28 and be folded respectively over an edge of the collector 16 or of the manifold plate 22.
  • the longitudinal partition 34 of the box fluid ( Figure 1) is placed, for each tube, against the end of a longitudinal partition 78 of the tube. This allows to later solder the partition 34 of the box to fluid against a partition 78 of each tube and, thus, of separate each tube into two groups: a first group G1 formed here of three channels and a second group G2 formed here of four channels.
  • FIG. 4 describes an example of an exchanger heat produced as defined above.
  • the heat exchanger comprises a bundle formed of a plurality of tubes 10 as defined previously, these tubes 10 being received, at their end upper, in a collector 16 on which is brazed a manifold plate 22, as defined above.
  • the tubes 10 are received in a analog collector (not shown) on which is brazed another identical collecting plate 22.
  • the fluid box 28 is made in accordance with the teachings in Figure 2.
  • this fluid box includes a flat periphery 30 of generally rectangular shape, a longitudinal partition 48 which extends only over one part of the length which connects a transverse edge 50 of the periphery to a transverse partition 52. Perimeter 30 and the partitions 48 and 52 are coplanar.
  • the fluid box 28 is produced by stamping for further define an inlet manifold 54 and a manifold outlet 56 which communicate respectively with two compartments 58 and 60, which are separated by the longitudinal partition 48.
  • the fluid box 28 forms a part in dome 62 delimiting a single compartment 64.
  • the fluid box 46 has a flat periphery 66 of shape general rectangular and a longitudinal partition 68 which spans the entire length and which is coplanar with the periphery 66.
  • the fluid box 46 comprises two bosses longitudinal 70 and 72 defining two compartments corresponding elongates which communicate with the beam.
  • This defines a heat exchanger comprising a plurality of tubes 10, possible spacers (not shown), two collectors 16 (of which only one is shown), two collector plates 22, as well as a box fluid 28 in the upper part and a fluid box 46 in lower part.
  • the partition 68 of the fluid box 46 is provided for dividing each tube in such a way that compartment 70 communicates with G1 group channels and compartment 72 with the channels of group G2.
  • Fluid circulation in the heat exchanger takes place in several passes as shown in Figure 5.
  • the fluid enters compartment 58 through inlet manifold 54 and circulates in a first sub-layer SN1 formed by the channels of group G1 belonging to part of the tubes for gain compartment 70 by a vertical circulation of top to bottom.
  • the fluid flows from bottom to top from the same compartment 70 to reach compartment 64, traffic taking place in a second SN2 sub-layer.
  • the fluid circulates in the group G1 of the channels of the other tubes of the bundle.
  • the fluid reaches compartment 72 by circulation vertical from top to bottom in a third SN3 sublayer, circulation taking place in the channels of the G2 group part of the tubes.
  • the fluid reaches compartment 60 by circulation vertical from bottom to top in a third SN4 sublayer, the circulation of the fluid taking place in group G2 of channels of the other tubes.
  • the fluid leaves the heat exchanger heat through the outlet pipe 56.
  • the circulation of the fluid is carried out in four passes and in alternate directions.
  • the first two passes correspond SN1 and SN2 respectively.
  • These two sub-layers belong to the same layer which extends to near the large face F1 of the heat exchanger.
  • the circulation then takes place in two other passes which correspond to the SN3 and SN4 sub-layers.
  • These two tablecloths are part of a second tablecloth which is connected in series at the first layer and which extends parallel to the large face F2 of the heat exchanger.
  • the first layer is formed by the groups G1 of the channels (here three in number) and the second layer by the group G2 channels (here four in number).
  • FIG. 6 shows a tube extruded 10 according to the invention which comprises a multiplicity of channels 12, in the example eleven in number.
  • the tubes each have a substantially shaped section rectangular.
  • the tube comprises two flat faces 74 joined together by two semi-circular faces 76.
  • the tubes are separated by partitions 78 which have variable thicknesses.
  • the two partitions 78 located in the central region have a thickness A and they are each followed by partitions having respective thicknesses B, C, D and E such that A> B> C> D> E.
  • the thicknesses of the partitions thus decrease by the central region on the outskirts.
  • the tube 10 is formed from a sheet 80 folded so as to include two opposite planar faces 82 joined by two end faces 84 of semi-circular profile.
  • the sheet 80 has two longitudinal edges 86 assembled respectively against a intermediate part 88 of the stepped structure sheet forming a partition wall.
  • the two edges 86 are assembled by longitudinal brazed joints 88 so to close the tube and define two channels 12.
  • the tube 10 is formed from two stamped sheet metal plates 90 which are mutually brazed tightly. These two plates 90 have symmetrical profiles and each have two edges longitudinal end 92 and a central longitudinal edge 94, parallel to each other, which separate two bosses 96.
  • the plates 90 are mutually tightly soldered speakers respective edges so as to define two channels 12.
  • the heat exchanger in Figure 9 is similar to that of Figure 4 but differs however in the structure of the fluid box 28 in the upper part and by the structure of the fluid box 46 in the lower part ( Figure 10).
  • the fluid box 28 comprises, as in the case of the figure 4, an inlet manifold 54 and an outlet manifold 56 which communicate respectively with two compartments 58 and 60 separated by a longitudinal partition 48. But, the partition 48 continues beyond the transverse partition 52 for define two other compartments 98 and 100.
  • the fluid box 46 has a longitudinal partition 68 which extends over part of its length and which joins a transverse partition 102. Another transverse partition 104 is provided at a distance from the partition 102. As a result, the fluid box 46 delimits two longitudinal compartments adjacent 70 and 72 on either side of the partition 68 and two transverse compartments 106 and 108 on both sides of the partition 104.
  • the circulation of the fluid in the heat exchanger of Figures 9 and 10 are carried out in six passes divided in two plies.
  • the fluid circulates successively in the first group of channels passing successively by compartments 54, 70, 98 and 106, 98 and 108.
  • the fluid circulates successively in the second group of channels passing successively by compartments 108 and 100, 106 and 100, 72 and 56.
  • the invention thus makes it possible to produce a heat exchanger obtained by brazing metal parts advantageously at aluminum base.
  • the use of multi-channel tubes allows to define, in each tube, at least two groups of channels corresponding respectively to at least two layers of circulation. Because each collector offers a surface flat to bring back the collector plate, this allows to obtain a perfect seal between this flat surface and the fluid box and define compartments for the circulation of the fluid in several passes.
  • the invention makes it possible to produce an exchanger heat with circulation in two layers, which leads to better temperature balancing of the exchanger. This is particularly interesting in the case where the heat exchanger is made in the form of a evaporator.
  • each tablecloth at least two passes can be provided, usually two, three or four passes.
  • the invention makes it possible to simplify the method of assembling the heat exchanger while providing a seal.
  • the heat exchanger thus produced has a reinforced resistance to bursting and reduces pressure constraints on the fluid boxes and collectors, since each of the fluid boxes can have a lower height.
  • the invention finds a particular application in the heating and / or air conditioning equipment for motor vehicles.

Claims (13)

  1. Wärmetauscher, insbesondere Verdampfer, mit einem Rohrbündel, das mittels jeweiligen Sammlern zwischen zwei Endkammern angebracht ist und von einem Fluid durchquert werden kann, wobei die Rohre (10) im Wärmetauscher jeweils mehrere Kanäle (12) aufweisen, die durch mindestens eine Längstrennwand (68) getrennt und entlang einer einzigen parallel zu zwei großen Flächen (F1, F2) des Wärmetauschers verlaufenden Reihe angeordnet sind, wobei die Zirkulation des Fluids in mindestens zwei zu den großen Flächen des Wärmetauschers parallelen Lagen (SN1, SN2; SN3, SN4) erfolgt, die jeweils von einem Teil (G1, G2) der Kanäle (12) der Rohre gebildet werden, und wobei mindestens eine der Endkammern (28, 46) eine innere Längstrennwand (48, 68) aufweist, die den Sammelkasten in mindestens zwei Längsfächer teilen kann, die jeweils mit den beiden Lagen in Verbindung stehen,
    dadurch gekennzeichnet, dass jeder Sammler (16) Öffnungen (18) aufweist, die von Krägen (20) zur Einführung der Rohre des Bündels umgeben sind, und mit einer ebenen Fläche (22, 24) versehen ist, und dass jede Endkammer (28, 46) eine ebene Kontur (30, 66) und mindestens eine koplanare Trennwand (48; 52; 68) aufweist, die an die ebene Fläche (24) des Sammlers (16) gelötet werden kann.
  2. Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass mindestens eine (28) der Endkammern mindestens eine Quertrennwand (52) aufweist, die die Endkammer in mindestens zwei Querfächer (58, 60, 64) teilen kann, von denen mindestens eines eine Verbindung zwischen zwei Lagen herstellt.
  3. Wärmetauscher nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jede Lage in mindestens zwei in Reihe verbundenen Unter-Lagen (SN1, SN2, SN3, SN4) unterteilt ist, in denen die Zirkulation des Fluids von einer Unter-Lage zur nächsten im Gegenstrom erfolgt.
  4. Wärmetauscher nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die ebene Fläche (24) jedes Sammlers (16) einen Teil einer Sammelplatte (22) bildet, die durch Verlöten mit dem Sammler angebracht ist und auf die Öffnungen (18) des Sammlers ausgerichtete Öffnungen (26) aufweist.
  5. Wärmetauscher nach Anspruch 4, dadurch gekennzeichnet, dass er mindestens einen von einem Rand des Sammlers (16) oder oder der Sammelplatte (22) der Endkammer (28, 46) ausgehenden Ansatz (45) aufweist, welcher jeweils auf einen Rand der Endkammer (28, 46) oder auf einen Rand des Sammlers (16) oder der Sammelplatte (22) umgeklappt ist.
  6. Wärmetauscher nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Ende (14) mindestens einer Längstrennwand (78) des Rohrs (10) im Wesentlichen an der ebenen Fläche (22, 24) angeordnet ist, so dass diese Längstrennwand (78) des Rohrs an eine innere Längstrennwand (48, 68). der Endkammer gelötet werden kann.
  7. Wärmetauscher nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Endkammern (28, 46) jeweils durch Tiefziehen einer Metallplatte zur Definition der ebenen Kontur (30, 66) und der koplanaren Trennwand (Trennwände) hergestellt werden.
  8. Wärmetauscher nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass mindestens eine der Endkammern (28, 46) mindestens eine Fluideinlassoder -auslassröhre (54, 56) aufweist.
  9. Wärmetauscher nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass jedes Rohr (10) ein extrudiertes Rohr ist.
  10. Wärmetauscher nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass jedes Rohr (10) aus einem gebogenen und durch Längslötstellen (88) geschlossenen Blech (80) besteht.
  11. Wärmetauscher nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass jedes Rohr (10) aus zwei Buckelblechplatten (90) besteht, die dicht miteinander verlötet sind.
  12. Wärmetauscher nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Kanäle (12) der Rohre (10) durch Trennwände (78) getrennt sind, die jeweilige Dicken (A, B, C, D, E) aufweisen, die von einem mittleren Bereich des Rohrs aus zum Umfang hin abnehmen.
  13. Wärmetauscher nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass er in Form eines Verdampfers für eine Klimaanlage ausgeführt ist.
EP00993738A 1999-12-29 2000-12-21 Wärmetauscher mit mehrkanalrohren Expired - Lifetime EP1192402B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9916666A FR2803378B1 (fr) 1999-12-29 1999-12-29 Echangeur de chaleur a tubes a plusieurs canaux, en particulier pour vehicule automobile
FR9916666 1999-12-29
PCT/FR2000/003629 WO2001050080A2 (fr) 1999-12-29 2000-12-21 Echangeur de chaleur a tubes a plusieurs canaux

Publications (2)

Publication Number Publication Date
EP1192402A2 EP1192402A2 (de) 2002-04-03
EP1192402B1 true EP1192402B1 (de) 2004-06-16

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Family Applications (1)

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EP00993738A Expired - Lifetime EP1192402B1 (de) 1999-12-29 2000-12-21 Wärmetauscher mit mehrkanalrohren

Country Status (7)

Country Link
US (1) US6749015B2 (de)
EP (1) EP1192402B1 (de)
JP (1) JP4869530B2 (de)
DE (1) DE60011616T2 (de)
ES (1) ES2223649T3 (de)
FR (1) FR2803378B1 (de)
WO (1) WO2001050080A2 (de)

Cited By (3)

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EP2196750A2 (de) 2008-12-12 2010-06-16 Behr GmbH & Co. KG Sammler eines Wärmeübertragers, insbesondere für eine Klimaanlage eines Kraftfahrzeuges sowie Wärmeübertrager, insbesondere Verdampfer für eine Kraftfahrzeugklimaanlage
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EP4198440A1 (de) * 2021-12-14 2023-06-21 Valeo Vymeniky Tepla S.r.o. Wärmetauscher
EP4198439A1 (de) * 2021-12-14 2023-06-21 Valeo Vymeniky Tepla S.r.o. Wärmetauscher
WO2023110408A1 (en) * 2021-12-14 2023-06-22 Valeo Vymeniky Tepla S. R. O. A heat exchanger

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DE60011616D1 (de) 2004-07-22
FR2803378A1 (fr) 2001-07-06
ES2223649T3 (es) 2005-03-01
EP1192402A2 (de) 2002-04-03
WO2001050080A2 (fr) 2001-07-12
DE60011616T2 (de) 2005-07-14
US20020134538A1 (en) 2002-09-26
FR2803378B1 (fr) 2004-03-19
WO2001050080A3 (fr) 2002-01-31
US6749015B2 (en) 2004-06-15
JP2003519356A (ja) 2003-06-17
JP4869530B2 (ja) 2012-02-08

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