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EP1994353B1 - Mehrkammer-wärmetauscher mit verbesserten sammelkasten - Google Patents

Mehrkammer-wärmetauscher mit verbesserten sammelkasten Download PDF

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Publication number
EP1994353B1
EP1994353B1 EP07726636.9A EP07726636A EP1994353B1 EP 1994353 B1 EP1994353 B1 EP 1994353B1 EP 07726636 A EP07726636 A EP 07726636A EP 1994353 B1 EP1994353 B1 EP 1994353B1
Authority
EP
European Patent Office
Prior art keywords
chamber
exchanger according
manifold
fluid
separation means
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
EP07726636.9A
Other languages
English (en)
French (fr)
Other versions
EP1994353A1 (de
Inventor
Christian Riondet
Jean-Marc Lesueur
Jean-Michel Haincourt
Eddie Sausset
Thierry Camus
Yann Pichenot
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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 Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP1994353A1 publication Critical patent/EP1994353A1/de
Application granted granted Critical
Publication of EP1994353B1 publication Critical patent/EP1994353B1/de
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
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • 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
    • F28D1/00—Heat-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
    • F28D1/02—Heat-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
    • F28D1/04—Heat-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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—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 the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0443—Combination of units extending one beside or one above the other
    • 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
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00—Thermal insulation; Thermal decoupling
    • F28F2270/02—Thermal insulation; Thermal decoupling by using blind conduits

Definitions

  • the invention relates to a heat exchanger comprising a header for a heat exchanger, of the type comprising a first chamber and a second chamber for the circulation of respective fluids and separated by separation means.
  • Multi-chamber heat exchangers are known which are used to circulate in a first compartment a first fluid at a relatively low temperature and in a second compartment a second fluid at a relatively high temperature. These heat exchangers are in particular radiators that are subject to various problems.
  • the invention aims to improve the situation.
  • the invention proposes a heat exchanger comprising two collector boxes each comprising at least a first chamber for the circulation of a first fluid, at least a second chamber for the circulation of a second fluid, separation means. separating the first chamber from the second chamber, a wall having a first local deformation, which first deformation cooperates with a portion of an opposite wall to form said separation means, the heat exchanger having at least a portion dedicated to the cooling of a fluid of a first heat exchange loop and at least one other part dedicated to the cooling of a fluid of a second heat exchange loop, said manifolds receiving ends of heat exchange tubes , the respective separating means of each manifold are in facing relation to each other and the tubes substantially in in view of the means of separation being inactive, the inactive tubes passing through the separation means.
  • a heat exchanger makes it possible to achieve separation means inexpensively and easily integrable on a production line, while providing maximum security as to the tightness and mechanical strength of the parts produced.
  • the header comprises a cover and a manifold provided with an opening adapted to receive tubes of a heat exchanger, and said first deformation is situated substantially opposite to these openings are inactive and promote a better mechanical strength of the exchanger thus produced.
  • the first deformation can be performed in the lid or in the collector.
  • said first deformation is achieved by two shoulders connected by a medial portion substantially parallel to the wall from which it is derived.
  • the medial portion may form an angle between 45 and 90 ° with one of said shoulders and form an angle between 45 and 90 ° with the other shoulder.
  • the manifold has a second local deformation on said opposite wall and said deformations cooperate to form said separation means.
  • Said second local deformation can be achieved by two shoulders connected by a medial portion substantially parallel to the wall from which it is derived and form an angle of between 45 and 90 ° with one or the other said shoulders or both.
  • the distance between the medial portion of the first deformation and the wall from which it is derived may be greater than the distance between the median portion of the second deformation and the opposite wall from which it is derived to accommodate the characteristics of the fluids passing through the exchanger.
  • the manifold is made of aluminum and at least one of the lid and the collector is covered with solder, the deformations can be made by stamping or folding.
  • At least one of the wall and the opposite wall has an opening at the separation means and the first and second chambers may have a different chamber height.
  • the first chamber is traversed by a fluid at high temperature and the second chamber is adapted to be traversed by a low temperature fluid and the first chamber has a chamber height greater than the second chamber.
  • a conventional heat exchanger comprises a beam 10, composed of a multiplicity of tubes 12 extending parallel to each other and between which are arranged corrugated inserts 14 forming cooling fins.
  • the ends of the tubes 12 open at one end into a common manifold 16 and at another end into another common manifold 18. These two manifolds are of tubular configuration and extend parallel to each other. All the components of this exchanger, ie the tubes 12, the fins 14 and the manifolds 16 and 18 are metallic and assembled together by brazing.
  • the beam is divided into two parts, namely a part A forming a cooler of a first fluid and composed of tubes 12a and a part B forming a cooler of a second fluid and composed of tubes 12b.
  • the tubes 12a are adapted to be traversed by a first fluid F1 such as water, water added to antifreeze or engine coolant.
  • the tubes 12b are adapted to be traversed by a second fluid F2 which may be identical or different from the fluid F1.
  • the fluids F1 and F2 are identical and circulate in different cooling loops, one of which may be the engine cooling loop. It will be understood that these two fluids circulate in the two different parts of the bundle and are intended to be swept by the same air stream which sweeps the bundle 10.
  • the manifolds 16 and 18 comprise respective insulating partitions 20 and 22.
  • the partition 20 divides the manifold 16 into a first chamber 24 for the fluid F1 and a second chamber 26 for the fluid F2.
  • the partition 22 divides the manifold 18 into a first chamber 28 for the fluid F1 and a second chamber for the fluid F2.
  • the fluid F1 to be cooled enters the first chamber 24 via an inlet pipe 32, circulates in the tubes 12a by a parallel flow to reach the second chamber 28, which it leaves via an outlet pipe 34.
  • the figure 2 shows a longitudinal sectional view of a manifold 50 and adapted to be mounted in a heat exchanger similar to that of the figure 1 .
  • the manifold 50 is formed of a cover 52 and a manifold plate 54.
  • the cover 52 and the manifold 54 are both of aluminum and are brazed together. They could be made with a metal other than aluminum.
  • the manifold 50 comprises a first chamber C1 for the circulation of a first fluid and a second chamber C2 for the circulation of a second fluid, the two chambers being separated by separation means 56 which will be described below.
  • the fluids passing respectively through the first chamber C1 and the second chamber C2 are in the example described herein identical and correspond to engine coolant, the fluid passing through the first chamber C1 being at a much higher temperature than the fluid passing through the second chamber. room C2.
  • the manifold 54 has a plurality of openings 56 adapted to receive tubes 58, except in the region of the separation means 56, in which the tubes 58 extend near the manifold 54 without penetrating it.
  • the separation means 56 are made by the collaboration of two local deformations 60 and 62 respectively formed in the cover 52 and the collector 54.
  • the deformation 60 made in the cover 52 has substantially the shape of a trapezium which would be devoid of its large base. More precisely, this deformation comprises a middle portion 64 and two shoulders 66 and 68 which connect the middle portion 64 on either side to the remainder of the cover 52.
  • the shoulder 66 forms with the median portion 64 an angle referenced ⁇ 1 whose value can be between 45 and 90 °.
  • the shoulder 68 forms with the median portion 64 an angle referenced ⁇ 1 whose value can be between 45 and 90 °.
  • the deformation 62 made in the manifold 54 is homologous to the deformation 60 made in the cover 52 and thus comprises a middle portion 70 and two shoulders 72 and 74 which connect the median portion 70 on either side to the rest of the manifold 54.
  • the shoulder 72 forms with the median portion 70 an angle referenced ⁇ 2 whose value may be between 45 and 90 ° and the shoulder 74 forms with the median portion 70 an angle referenced ⁇ 2 whose value can be between 45 and 90 °.
  • the local deformations 60 and 62 are made by stamping the wall from which they are respectively issued, ie the wall of the cover 52 on the one hand and the wall of the collector 54 on the other hand, so that the median portions 64 and 70 are substantially parallel to the walls from which they are derived.
  • the deformations could also be made by folding.
  • the deformation 60 has a depth H1 which represents the distance between the middle portion 64 and the wall of the lid 52 from which it is derived and is 40 mm.
  • the height H2 of the deformation 62 which is the distance between the median portion 70 and the wall of the collector 54 of which it is issue, is worth 40 mm.
  • the stamping made in the cover 52 is therefore the same as that achieved in the manifold 54.
  • these heights could be unequal. They could especially be between 0 and 80mm.
  • a particular embodiment of the invention proposes that the total height is 80 mm.
  • the inner walls of the cover 52 and the collector 54 are coated with a solder.
  • the deformations 60 and 62 are in contact with each other at the middle portions 64 and 70, over the entire width of the box so as to form the two chambers C1 and C2 on either side of the zone. of contact.
  • the brazing of the manifold means that the medial portions 64 and 70 are brazed together and thus constitute sealed means for separating the chambers C1 and C2.
  • tubes which are expressed opposite the separation means 56 are not traversed by any fluid. These tubes are called “inactive” or “dead”. In the example described here, these tubes are maintained in the exchanger by brazing with the fins which are close to them, and do not penetrate the separation means 56.
  • the figure 3 shows a sectional view along the axis III-III of the figure 2 .
  • This view makes it possible to appreciate the embodiment considered of the header box 50.
  • the cover 52 and the collector 54 are both U-shaped profiles which are brazed one to the other. other along the respective U branches.
  • This figure also shows the separation means 56, which are made by brazing the two median portions 64 and 70.
  • the figure 4 shows an embodiment of the invention, in which tubes 58 of greater length than those previously described are driven deep into the manifold 50.
  • the tubes 58 which are inactive also penetrate the separation means 56.
  • the cover 52 has a through opening 76 at the separation means 56.
  • This opening 76 makes it possible in particular to verify that the brazing of the middle portion 64 and the medial portion 70 has been effective and that there there is no problem of sealing between the first chamber C1 and the second chamber C2.
  • the figure 5 still shows a view of another heat exchanger which is not part of the invention and in which the collector 54 is different.
  • the deformation 62 is here replaced by a step 78, and the collector 54 thus has a first flat portion 80 capable of forming the first chamber C1 with a portion of the cover 52, and a second portion 82 which is plane higher than the portion 80 and is adapted to form the second chamber C2 with another portion of the cover 52.
  • the cover 52 is unchanged and the separation means 56 are then made by assembling the deformation 60 with the upper part of the collector 54, at the portion 82. It would also be possible to perform these means with the portion 80. It will also be noted that the separation means 56 have an opening 84 which passes through the cover 52 and the manifold 54. The opening 84 has the same function as the opening 76 described above.
  • the first chamber C1 thus has a height, that is to say the distance between the cover 52 and the portion 80, greater than the height of the second chamber C2, which is the distance between the cover 52 and portion 82.
  • the figure 6 shows a simplified embodiment of the invention.
  • only the cover 52 locally has a deformation 60 made by stamping the wall of the cover 52.
  • the deformation 60 comes directly into contact with a collector 54 to form the separation means 56.
  • the collector 54 is in the example described a U-shaped section whose bottom has no deformation.
  • Inactive tubes 58 penetrate the separating means 56. These tubes could nevertheless be replaced by any other metallic element such as a sheet metal plate.
  • said exchanger further comprises a bundle of fluid circulation tubes opening at each end at said collector boxes, heat exchange fins, in particular provided in the form of corrugated insert, being provided between the tubes, the assembly being, for example, consisting of materials based on aluminum and / or aluminum alloy and / or being brazed.
  • Said exchanger is traversed by at least one fluid of a first and a fluid of a second heat exchange loop, said fluids being, for example, of the same types in the two loops, in particular glycol water.
  • Said exchanger comprises at least a first portion dedicated to cooling the fluid of the first heat exchange loop and at least a second portion dedicated to cooling the fluid of the second heat exchange loop.
  • the tubes of said first portion open at each end in the first chambers of said manifolds while the tubes of said second portion open into the second chambers of said manifolds, said first portion having an inlet and an outlet for the fluid at the one or said first chambers while said second portion having an inlet and an outlet for the fluid at one or said second chambers.
  • the respective separation means of the manifolds are positioned so that they are facing each other.
  • the respective separation means of the manifolds are symmetrical with respect to an average axis of the heat exchanger.
  • the ends of one and the same tube are respectively adjacent to the first local deformation of the first chamber of the manifold located on one side of the beam and the first local deformation of the manifold of the first chamber of the manifold located on the other side of the bundle.
  • inactive tubes as defined above, are provided at the separation means of each of the boxes and said tubes are identical tubes. In other words, the respective separation means of each manifold are crossed by the same or the same inactive tubes.
  • tubes of different lengths can be used for the two separate parts of the exchanger.
  • Said tubes may, for the rest, be identical. They may, for example, be of the same section.

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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 (16)

  1. Wärmetauscher, der Folgendes umfasst:
    • zwei Sammelbehälter, wovon jeder Folgendes enthält:
    ∘ wenigstens eine erste Kammer (C1) für die Zirkulation eines ersten Fluids;
    ∘ wenigstens eine zweite Kammer (C2) für die Zirkulation eines zweiten Fluids; und
    ∘ Trennmittel (56), die die erste Kammer (C1) von der zweiten Kammer (C2) trennen;
    • wenigstens einen Abschnitt, der für die Kühlung eines Fluids einer ersten Wärmetauscherschleife bestimmt ist; und
    • wenigstens einen weiteren Teil, der für die Kühlung eines Fluids einer zweiten Wärmetauscherschleife bestimmt ist, wobei die Sammelbehälter Enden von Wärmetauscherrohren aufnehmen, wobei sich die jeweiligen Trennmittel jedes Sammelbehälters einander gegenüber befinden,
    dadurch gekennzeichnet, dass
    die Sammelbehälter jeweils eine Wand (52, 54) enthalten, die eine erste lokale Verformung (60, 62) aufweist, wobei die erste Verformung (60, 62) mit einem Teil (62, 60) einer gegenüberliegenden Wand (54, 52) zusammenwirkt, um die Trennmittel zu bilden,
    dass die Rohre, die sich im Wesentlichen gegenüber den Trennmitteln (56) befinden, inaktiv sind und
    dass die inaktiven Rohre durch die Trennmittel (56) verlaufen.
  2. Tauscher nach Anspruch 1, dadurch gekennzeichnet, dass der Sammelbehälter einen Deckel (52) und einen Sammler (54) umfasst, der mit Öffnungen versehen ist, die Rohre eines Wärmetauschers aufnehmen können, und dass die erste Verformung (60, 62) in dem Deckel (52) oder in dem Sammler (54) verwirklicht ist.
  3. Tauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Verformung (60, 62) durch zwei Schultern (60-68, 72-74) verwirklicht ist, die durch einen Mittelabschnitt (64, 70) verbunden sind, der zu der Wand (52, 54), von der er ausgeht, im Wesentlichen parallel ist.
  4. Tauscher nach Anspruch 3, dadurch gekennzeichnet, dass der Mittelabschnitt (64, 70) mit einer der Schultern (66, 72) einen Winkel (α2, α1) im Bereich von 45° bis 90° bildet.
  5. Tauscher nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Mittelabschnitt mit der anderen der Schultern (68, 74) einen Winkel (β2, β1) im Bereich von 45° bis 90° bildet.
  6. Tauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er eine zweite lokale Verformung (62, 60) an der gegenüberliegenden Wand (54, 52) aufweist und dass die erste und die zweite Verformung (60, 62) zusammenwirken, um die Trennmittel (56) zu bilden.
  7. Tauscher nach Anspruch 6, dadurch gekennzeichnet, dass die zweite Verformung (62, 60) aus zwei Schultern (72-74, 66-68) verwirklicht ist, die durch einen Mittelabschnitt (70, 64) verbunden sind, der zu der gegenüberliegenden Wand (54, 52), von der er ausgeht, im Wesentlichen parallel ist.
  8. Tauscher nach Anspruch 7, dadurch gekennzeichnet, dass der Mittelabschnitt (70, 64) mit einer der Schultern (72, 66) einen Winkel (α2, α1) im Bereich von 45° bis 90° bildet.
  9. Tauscher nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass der Mittelabschnitt (70, 64) mit der anderen der Schultern (74, 68) einen Winkel (β2, β1) im Bereich von 45° bis 90° bildet.
  10. Tauscher nach einem der Ansprüche 7 bis 9, wenn abhängig von einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass der Abstand zwischen dem Mittelabschnitt (64, 70) der ersten Verformung (60, 62) und der Wand (52, 54), von der er ausgeht, größer ist als der Abstand zwischen dem Mittelabschnitt (70, 64) der zweiten Verformung (62, 60) und der gegenüberliegenden Wand (54, 52), von der er ausgeht.
  11. Tauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Wand und/oder die gegenüberliegende Wand auf Höhe der Trennmittel (56) eine Durchgangsöffnung (76) umfassen.
  12. Tauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Kammer und die zweite Kammer eine unterschiedliche Kammerhöhe aufweisen.
  13. Tauscher nach Anspruch 12, dadurch gekennzeichnet, dass sich durch die erste Kammer ein Fluid mit hoher Temperatur bewegen kann und dass sich durch die zweite Kammer dasselbe Fluid mit einer geringeren Temperatur bewegen kann und dass die erste Kammer eine Kammerhöhe hat, die größer als jene der zweiten Kammer ist.
  14. Tauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sammelbehälter aus einer Aluminiumlegierung oder aus Aluminium verwirklicht ist.
  15. Tauscher nach einem der Ansprüche 2 bis 14, dadurch gekennzeichnet, dass der Deckel (52) und/oder der Sammler (54) mit Lötmittel überzogen sind.
  16. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich die jeweiligen Trennmittel jedes Sammelbehälters gegenüber des einen oder der mehreren selben inaktiven Rohre befinden.
EP07726636.9A 2006-03-15 2007-03-06 Mehrkammer-wärmetauscher mit verbesserten sammelkasten Not-in-force EP1994353B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0602305A FR2898669B1 (fr) 2006-03-15 2006-03-15 Boite collectrice amelioree pour echangeur a chambres multiples et echangeur de chaleur correspondant
PCT/EP2007/052065 WO2007104667A1 (fr) 2006-03-15 2007-03-06 Boîte collectrice améliorée pour échangeur à chambres multiples et échangeur de chaleur correspondant

Publications (2)

Publication Number Publication Date
EP1994353A1 EP1994353A1 (de) 2008-11-26
EP1994353B1 true EP1994353B1 (de) 2017-06-07

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ID=37465068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726636.9A Not-in-force EP1994353B1 (de) 2006-03-15 2007-03-06 Mehrkammer-wärmetauscher mit verbesserten sammelkasten

Country Status (3)

Country Link
EP (1) EP1994353B1 (de)
FR (1) FR2898669B1 (de)
WO (1) WO2007104667A1 (de)

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Publication number Priority date Publication date Assignee Title
FR2947330B1 (fr) * 2009-06-25 2014-01-03 Valeo Systemes Thermiques Echangeur de chaleur comprenant un faisceau de tubes avec un tube inactif
FR2995670A3 (fr) * 2012-09-20 2014-03-21 Renault Sa Echangeur thermique ayant une partie condenseur et une partie radiateur basse temperature
DE102013225326A1 (de) * 2013-12-09 2015-06-11 MAHLE Behr GmbH & Co. KG Wärmeübertrager
DE102015014047A1 (de) * 2015-10-30 2017-05-04 Modine Manufacturing Company Rohrboden und Wärmetauscher
US20170328637A1 (en) * 2016-05-13 2017-11-16 Denso Thermal Systems S.P.A. Heat exchanger with dummy tubes
FR3054654B1 (fr) * 2016-07-29 2019-07-12 Valeo Systemes Thermiques Plaque collectrice pour echangeur de chaleur
JP7582774B2 (ja) * 2019-02-01 2024-11-13 株式会社デンソー 熱交換器

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JPH0613957B2 (ja) * 1985-12-04 1994-02-23 松下冷機株式会社 熱交換器
US5090477A (en) * 1988-10-11 1992-02-25 Brazeway, Inc. Evaporator having integrally baffled tubes
US5799397A (en) * 1994-03-29 1998-09-01 Calsonic Corporation Pipe with closure portion, heat exchanger header and method of producing therefor
DE19536116B4 (de) 1995-09-28 2005-08-11 Behr Gmbh & Co. Kg Wärmeübertrager für ein Kraftfahrzeug
US5761808A (en) * 1996-10-30 1998-06-09 Ford Motor Company Method of making a heat exchanger
EP0840083A3 (de) * 1996-10-30 1998-10-14 Ford Motor Company Zwischenwand für Wärmetauscher
DE19719256B4 (de) * 1997-05-07 2005-08-18 Valeo Klimatechnik Gmbh & Co. Kg Mehr als zweiflutiger Flachrohrwärmetauscher für Kraftfahrzeuge mit Umlenkboden sowie Herstelungsverfahren
JP3670135B2 (ja) * 1998-05-06 2005-07-13 俊臣 林 枝管を一体に備えた管状体の製造方法
FR2785376B1 (fr) * 1998-10-29 2001-01-12 Valeo Thermique Moteur Sa Echangeur de chaleur multifonction, notamment pour vehicule automobile
US7096932B2 (en) * 2003-12-22 2006-08-29 Modine Manufacturing Company Multi-fluid heat exchanger and method of making same
JP4120611B2 (ja) * 2004-04-08 2008-07-16 株式会社デンソー 冷媒蒸発器
JP4232750B2 (ja) * 2004-06-10 2009-03-04 株式会社デンソー ハイブリッド自動車用冷却システム

Also Published As

Publication number Publication date
FR2898669A1 (fr) 2007-09-21
EP1994353A1 (de) 2008-11-26
FR2898669B1 (fr) 2008-12-05
WO2007104667A1 (fr) 2007-09-20

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