EP1978325A1 - Seitenteil mit Abschwächungszone für Wärmetauscher - Google Patents
Seitenteil mit Abschwächungszone für Wärmetauscher Download PDFInfo
- Publication number
- EP1978325A1 EP1978325A1 EP08102278A EP08102278A EP1978325A1 EP 1978325 A1 EP1978325 A1 EP 1978325A1 EP 08102278 A EP08102278 A EP 08102278A EP 08102278 A EP08102278 A EP 08102278A EP 1978325 A1 EP1978325 A1 EP 1978325A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cheek
- zones
- weakening
- play
- weakening 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.)
- Granted
Links
- 230000003313 weakening effect Effects 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000001154 acute effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
Images
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, including a heat exchanger for the equipment of a motor vehicle.
- 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 part of the edge of the opening is located near an edge of the U-shaped cheek. Moreover, 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)
- Separation By Low-Temperature Treatments (AREA)
- Other Air-Conditioning Systems (AREA)
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 true EP1978325A1 (de) | 2008-10-08 |
EP1978325B1 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2413082A3 (de) * | 2010-07-28 | 2015-03-04 | Delphi Technologies, Inc. | Verstärkungsplatte für einen Mehrreihenwärmetauscher |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014222885A1 (de) * | 2014-11-10 | 2016-05-12 | Mahle Lnternational Gmbh | Wärmeübertrager |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2183375A5 (de) | 1972-05-04 | 1973-12-14 | Chausson Usines Sa | |
EP1001241A2 (de) * | 1998-11-10 | 2000-05-17 | Valeo Inc. | Seitenteil für Wärmetauscher und Wärmetauscher mit Seitenplatten |
US20020023735A1 (en) * | 2000-08-30 | 2002-02-28 | Akira Uchikawa | Double heat exchanger with condenser and radiator |
EP1195573A1 (de) | 2000-10-04 | 2002-04-10 | Modine Manufacturing Company | Wärmetauscher und Verfahren zu dessen Herstellung |
-
2007
- 2007-03-29 FR FR0702317A patent/FR2914410B1/fr not_active Expired - Fee Related
-
2008
- 2008-03-04 DE DE602008002463T patent/DE602008002463D1/de active Active
- 2008-03-04 EP EP08102278A patent/EP1978325B1/de active Active
- 2008-03-04 AT AT08102278T patent/ATE481614T1/de not_active IP Right Cessation
- 2008-03-04 ES ES08102278T patent/ES2356462T3/es active Active
- 2008-03-04 PL PL08102278T patent/PL1978325T3/pl unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2183375A5 (de) | 1972-05-04 | 1973-12-14 | Chausson Usines Sa | |
EP1001241A2 (de) * | 1998-11-10 | 2000-05-17 | Valeo Inc. | Seitenteil für Wärmetauscher und Wärmetauscher mit Seitenplatten |
US6328098B1 (en) | 1998-11-10 | 2001-12-11 | Valeo Inc. | Side member for heat exchanger and heat exchanger incorporating side plate |
US20020023735A1 (en) * | 2000-08-30 | 2002-02-28 | Akira Uchikawa | Double heat exchanger with condenser and radiator |
EP1195573A1 (de) | 2000-10-04 | 2002-04-10 | Modine Manufacturing Company | Wärmetauscher und Verfahren zu dessen Herstellung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2413082A3 (de) * | 2010-07-28 | 2015-03-04 | Delphi Technologies, Inc. | Verstärkungsplatte für einen Mehrreihenwärmetauscher |
Also Published As
Publication number | Publication date |
---|---|
ES2356462T3 (es) | 2011-04-08 |
ATE481614T1 (de) | 2010-10-15 |
PL1978325T3 (pl) | 2011-09-30 |
EP1978325B1 (de) | 2010-09-15 |
DE602008002463D1 (de) | 2010-10-28 |
FR2914410A1 (fr) | 2008-10-03 |
FR2914410B1 (fr) | 2010-01-22 |
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