EP1978325B1 - Seitenteil mit Abschwächungszone für Wärmetauscher - Google Patents

Seitenteil mit Abschwächungszone für Wärmetauscher Download PDF

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Publication number
EP1978325B1
EP1978325B1 EP08102278A EP08102278A EP1978325B1 EP 1978325 B1 EP1978325 B1 EP 1978325B1 EP 08102278 A EP08102278 A EP 08102278A EP 08102278 A EP08102278 A EP 08102278A EP 1978325 B1 EP1978325 B1 EP 1978325B1
Authority
EP
European Patent Office
Prior art keywords
end plate
areas
weakness
cheek
zones
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.)
Active
Application number
EP08102278A
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English (en)
French (fr)
Other versions
EP1978325A1 (de
Inventor
Christian Riondet
Nicolas Cormet
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
Priority to PL08102278T priority Critical patent/PL1978325T3/pl
Publication of EP1978325A1 publication Critical patent/EP1978325A1/de
Application granted granted Critical
Publication of EP1978325B1 publication Critical patent/EP1978325B1/de
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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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the present invention relates to a cheek for a heat exchanger, especially a heat exchanger for the equipment of a motor vehicle, according to the preamble of claim 1.
  • a cheek is known from EP 1 195 573 .
  • Conventional heat exchangers comprise a bundle of tubes delimited by two end tubes.
  • spacers may be provided between the tubes of the bundle to improve the heat exchange.
  • An interlayer may be disposed on the outer face of each of the end tubes.
  • the exchanger further comprises two collector plates traversed by the ends of the bundle of tubes. Furthermore, a cheek is conventionally arranged directly on the end spacer of each of the end tubes.
  • the cheeks of a heat exchanger and form spacer between the collector plates to maintain a constant spacing between them and facilitate the manufacture of the exchanger. Furthermore, they can be used to support and maintain accessory bodies related to the heat exchanger, such as a motor-fan unit.
  • each cheek comprises a central core, bordered by two longitudinal wings that extend along the cheek.
  • the central soul has generally a rectangular and flat shape.
  • Each longitudinal wing protrudes from the plane defined by the central core.
  • the cheek thus has a substantially U-shaped cross section.
  • the longitudinal wings are conventionally designed to stiffen and strengthen the associated cheek.
  • the conventional heat exchanger tubes tend to have a relatively small thickness, to limit the manufacturing costs of the exchanger.
  • the tubes are less and less resistant to thermal shocks and the risks of rupture mentioned above increase accordingly.
  • the patent FR 2 183 375 proposes a transverse fold, in the shape of a lyre, on the bracket which connects the cheek to the collector plate or directly on the cheek.
  • Licences EP 1 195 573 and US 6,328,098 provide an opening on each cheek so that a portion of the edge of the opening is located near an edge of the U-shaped cheek. Furthermore, a fold (rupture zone) is provided which extends transversely of the aforementioned part of the edge of the opening to the edge of the cheek located in its vicinity. The V-shaped rupture zones locally reduce the thickness in the central core and / or in the wings of the U. Also, each opening between the folds is oriented, in its elongated part, forming an acute angle with the direction of the length of the cheek.
  • the present invention intends to overcome the disadvantages of existing cheeks and heat exchangers.
  • the invention relates to a cheek for a heat exchanger, extending longitudinally, comprising at least one opening, said opening forming a cut of the cheek, and at least two weakening zones, characterized in that the two zones weakening are located on separate parallel planes.
  • weakening zone is understood to mean a zone having a breakable function and / or a longitudinal expansion function, that is to say, thanks to the invention, the cheek is able to cut itself at the level of the area of weakness if necessary and possibly able to expand longitudinally (in the longitudinal direction of the cheek).
  • the present invention also relates to a heat exchanger, not shown in the accompanying figures, in particular for a motor vehicle, comprising two collectors connected by a bundle of tubes and spacers, characterized in that it comprises at least one cheek such as as defined above.
  • the cheek is attached to one end or side of the aforesaid beam.
  • the figure 1 represents a cheek portion according to an embodiment of the invention; it being understood that this portion is considered both in length and in width.
  • the section profile of this cheek 1 has two slots 2, 3 distant, extending from flanks and a substantially flat core 4.
  • the cheek 1 is metallic, for example aluminum or steel.
  • openings 5, 5 ', 5 ", two openings 5', 5" extending from the opposite side edges and a central opening 5 disposed between the two zones of weakening 6, 6 '.
  • the openings 5 ', 5 "extending from a lateral edge are directed obliquely, that is to say they form an acute angle ⁇ (With 0 ° ⁇ ⁇ 90 °) with the longitudinal axis XX 'of the cheek 1.
  • the central opening 5 has a V-shape whose two segments also extend at an acute angle with respect to the axis longitudinal XX '.
  • the weakening zones 6, 6 ' are here present at each of the two protuberances 2, 3 and are integrated respectively in a sinusoidal portion 7, 7', or at a wave, of these protuberances 2, 3.
  • weakening 6, 6 ' means the parts located near the apex, including the vertex, of each of these sinusoidal portions 7, 7'.
  • the weakening zones 6, 6 ' consist of the two elements presented enlarged on the figure 1 so that if these two zones 6, 6 ', in the elements / segments of matter which constitute them respectively, actually meet the definition of parallel distinct planes, they are also able to elongate or flatten.
  • Each of these two weakening zones 6, 6 ' is indeed able to extend horizontally, or linearly along the axis XX', one of these flattened weakening zones 6 'then extending in the plane the upper face 3 'of the protuberance 3 while the other weakening zone 6 then extending in the plane defined by the flanks, or the core 4, flat cheek.
  • the formation of the weakening zones 6, 6 'of the embodiment represented on the figure 1 will be obtained by consecutive folding weakening areas 6, 6 ', one 6 initially extending in the plane of the plane portions, or the core 4, the cheek 1 while the other weakening zone 6 'extending in the plane of the upper face 2', 3 'of the protuberances 2, 3 of the cheek, it being understood that these two protuberances 2, 3 have a substantially equal height so that their upper faces 2', 3 'respective extend in the same plane.
  • the weakening zones 6, 6 ' comprise a narrowing or reduction of material 8, 8' located at the respective vertices of each of the weakening zones 6, 6 '; this narrowing or reduction of material 8, 8 'extending over the entire width of the weakening zone 6 or 6',
  • these weakening zones 6, 6 ' are likely to break; this breaking being facilitated by these narrowing or decreasing material 8, 8 'weakening areas 6, 6'.
  • the figures 2 and 3 show a second embodiment of a cheek 1 according to the invention.
  • This embodiment of the cheek 1 is here identical to that of the figure 1 , with the exception of openings and areas of weakness.
  • the openings 9, 9', 10, 10 ' present a substantially rectangular shape with rounded corners.
  • the cheek 1 is more rigid and able to withstand bending due to handling and thermal expansion phenomena of the cheek / body of the exchanger (bundle of tubes located under the cheek) It will be noted that, in this embodiment, there is no shrinkage or decrease of the material at the weakening zones 11, 11 11, but of course this material reduction solution can be envisaged on at least one or all of these weakening zones.
  • the third embodiment illustrated on the figures 4 , 5 and 6 again presents a cheek 1 identical to those presented in the first two embodiments but in which the openings and the weakening zones are different.
  • the weakening zones 14, 14 ', 14 "extend between the openings 12, 12', 13, 13 '. 14 is located in the lower plane, that is to say the plane formed by the plane portions, or the core 4, the cheek 1 while two other weakening areas 14 ', 14 " are located in the plane formed by, or having, the upper faces or sides 2 ', 3' of the protuberances 2, 3, these two planes being parallel planes.
  • the fourth mode of execution resumes the second mode of execution of figures 2 and 3 and adds a narrowing or a reduction in material of the weakening zones 11, 11 ', 11 ".
  • This reduction in material may be at least 1/3 of the thickness of the material of the cheek 1, substantially equal to on its other parts, for example a material reduction of half the thickness of the sheet forming the cheek 1.
  • this reduction or withdrawal of material may have a section substantially in the form of a triangle, inverted on the figure 9 because made from the upper face of the cheek.
  • this reduction or withdrawal of material 15 from the lower face of the cheek 1 and / or that this decrease in material has a section or shape different from that shown here.
  • the fifth embodiment also takes again the second embodiment by varying the shape of the openings 9, 9 ', 10, 10'.
  • the openings 9, 9 ', 10, 10' always have a substantially rectangular shape but their corners have an oblique section so that the ends of the openings have a shape of triangle or V.
  • the last embodiment chosen to illustrate the invention differs from the second embodiment in that the cheek 1 comprises only one protrusion 2.
  • the cheek 1 comprises only one protrusion 2.
  • the present invention applies to all types of exchanger requiring cheeks designed to counter the phenomena of expansion and torsion due to thermal differences.

Landscapes

  • 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)
  • Other Air-Conditioning Systems (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Claims (15)

  1. Seitenteil (1) für einen Wärmetauscher, das sich in Längsrichtung erstreckt, mit mindestens einer Öffnung (5, 5', 5", 9, 9', 10, 10', 12, 12', 13, 13'), wobei die Öffnung (5, 5', 5", 9, 9', 10, 10', 12, 12', 13, 13') einen Ausschnitt des Seitenteils (1) bildet, und mit mindestens zwei Schwächungszonen (6, 6', 11, 11', 11,", 14, 14', 14"), dadurch gekennzeichnet, dass das Seitenteil aus einem im Wesentlichen ebenen Steg (4) besteht, von dem ausgehend sich mindestens eine Ausbauchung (2, 3) erstreckt, wobei die zwei Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") sich in unterschiedlichen parallelen Ebenen befinden, jeweils in einer Ebene, die von oberen Flächen oder Seiten der Ausbauchung oder der Ausbauchungen (2, 3) geformt wird oder diese enthält, und in der Ebene des ebenen Stegs (4).
  2. Seitenteil (1) nach Anspruch 1, dadurch gekennzeichnet, dass die zwei Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") die einzigen Materialelemente sind, die eine Unterbrechung des Ausschnitts bilden, so dass der Ausschnitt nur von den zwei Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") unterbrochen wird.
  3. Seitenteil (1) nach Anspruch 1, dadurch gekennzeichnet, dass es zwei Ausbauchungen (2, 3) enthält, die sich ausgehend vom ebenen Steg (4) erstrecken.
  4. Seitenteil (1) nach Anspruch 1 oder 3, dadurch gekennzeichnet, dass die Ausbauchung oder die Ausbauchungen (2, 3) einen im Wesentlichen quadratischen, rechteckigen oder runden Querschnitt aufweist (aufweisen).
  5. Seitenteil (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es mehrere Öffnungen (5, 5', 5", 9, 9', 10, 10', 12, 12', 13, 13') enthält.
  6. Seitenteil (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Öffnung(en) (5, 5', 5", 9, 9', 10, 10', 12, 12', 13, 13') sich linear, lotrecht zur Längsachse des Seitenteils (1), erstreckt (erstrecken).
  7. Seitenteil (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") eine Reduzierung/Verringerung von Materialdicke (15) aufweisen.
  8. Seitenteil (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eine der Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") sich in einem ebenen Abschnitt (4) befindet.
  9. Seitenteil (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass mindestens eine der Sehwächungszonen (6, 5', 11, 11', 11", 14, 14', 14") sich in einem gekrümmten, gefalteten oder sinusförmigen Abschnitt (7, 7') befindet.
  10. Seitenteil (1) nach Anspruch 9, dadurch gekennzeichnet, dass, wenn das Seitenteil zwei Ausbauchungen (2, 3) aufweist, die Schwächungszonen sich in Höhe jeder der zwei Ausbauchungen (2, 3) befinden.
  11. Seitenteil (1) nach Anspruch 1, dadurch gekennzeichnet, dass die zwei Schwächungszonen (6, 6', 11, 11', 14, 14', 14") sich auf der Oberseite der Ausbauchung (2, 3) bzw. auf dem ebenen Steg (4) befinden.
  12. Seitenteil (1) nach Anspruch 11, dadurch gekennzeichnet, dass die Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") sich alle auf der gleichen linearen Achse (AA) befinden.
  13. Seitenteil (1) nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Schwächungszonen (6, 6', 11, 11', 11", 14, 14', 14") sich auf unterschiedlichen linearen Achsen befinden.
  14. Wärmetauscher, insbesondere für ein Kraftfahrzeug, der zwei Kollektoren aufweist, die durch ein Bündel von Rohren und Abstandsstücken verbunden sind, dadurch gekennzeichnet, dass er mindestens ein Seitenteil (1) nach einem der vorhergehenden Ansprüche enthält.
  15. Wärmetauscher nach Anspruch 14, dadurch gekennzeichnet, dass das Seitenteil (1) an mindestens einem der Enden oder Seiten des Bündels befestigt ist.
EP08102278A 2007-03-29 2008-03-04 Seitenteil mit Abschwächungszone für Wärmetauscher Active EP1978325B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08102278T PL1978325T3 (pl) 2007-03-29 2008-03-04 Ścianka boczna wymiennika ciepła ze strefą osłabienia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702317A FR2914410B1 (fr) 2007-03-29 2007-03-29 Joue avec zone d'affaiblissement pour un echangeur de chaleur.

Publications (2)

Publication Number Publication Date
EP1978325A1 EP1978325A1 (de) 2008-10-08
EP1978325B1 true EP1978325B1 (de) 2010-09-15

Family

ID=38664397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08102278A Active EP1978325B1 (de) 2007-03-29 2008-03-04 Seitenteil mit Abschwächungszone für Wärmetauscher

Country Status (6)

Country Link
EP (1) EP1978325B1 (de)
AT (1) ATE481614T1 (de)
DE (1) DE602008002463D1 (de)
ES (1) ES2356462T3 (de)
FR (1) FR2914410B1 (de)
PL (1) PL1978325T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222885A1 (de) * 2014-11-10 2016-05-12 Mahle Lnternational Gmbh Wärmeübertrager

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120024508A1 (en) * 2010-07-28 2012-02-02 Delphi Technologies, Inc. Reinforcement plate for multiple row heat exchanger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2183375A5 (de) 1972-05-04 1973-12-14 Chausson Usines Sa
US6328098B1 (en) 1998-11-10 2001-12-11 Valeo Inc. Side member for heat exchanger and heat exchanger incorporating side plate
JP2002147973A (ja) * 2000-08-30 2002-05-22 Denso Corp 複式熱交換器
US6412547B1 (en) * 2000-10-04 2002-07-02 Modine Manufacturing Company Heat exchanger and method of making the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222885A1 (de) * 2014-11-10 2016-05-12 Mahle Lnternational Gmbh Wärmeübertrager

Also Published As

Publication number Publication date
ES2356462T3 (es) 2011-04-08
FR2914410B1 (fr) 2010-01-22
PL1978325T3 (pl) 2011-09-30
EP1978325A1 (de) 2008-10-08
ATE481614T1 (de) 2010-10-15
DE602008002463D1 (de) 2010-10-28
FR2914410A1 (fr) 2008-10-03

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