EP2151655B1 - Echangeur thermique, utilisation et procédé de fabrication d'un échangeur thermique - Google Patents

Echangeur thermique, utilisation et procédé de fabrication d'un échangeur thermique Download PDF

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Publication number
EP2151655B1
EP2151655B1 EP09165742.9A EP09165742A EP2151655B1 EP 2151655 B1 EP2151655 B1 EP 2151655B1 EP 09165742 A EP09165742 A EP 09165742A EP 2151655 B1 EP2151655 B1 EP 2151655B1
Authority
EP
European Patent Office
Prior art keywords
section
heat exchanger
contour
shoulder
collar
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
EP09165742.9A
Other languages
German (de)
English (en)
Other versions
EP2151655A3 (fr
EP2151655A2 (fr
Inventor
Christian Saumweber
Stefan Schill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Mahle Behr GmbH and Co KG
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Publication date
Application filed by Mahle Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2151655A2 publication Critical patent/EP2151655A2/fr
Publication of EP2151655A3 publication Critical patent/EP2151655A3/fr
Application granted granted Critical
Publication of EP2151655B1 publication Critical patent/EP2151655B1/fr
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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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
    • 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
    • F28D1/053—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 the conduits being straight
    • F28D1/0535—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 the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49373—Tube joint and tube plate structure

Definitions

  • the invention relates to a heat exchanger according to the preamble of claim 1.
  • a heat diver is out DE 41 12 431 known.
  • Heat exchangers are, in particular in mobile applications, usually constructed as a pipe corrugated fin systems.
  • the block of such a heat exchanger of the type mentioned has, for example, a so-called radiator network of an alternating superposition of pipes and heat-transmitting corrugated fins.
  • a heat exchanger is exposed to a particularly high stochastic pressure and thermal cycling.
  • the mentioned alternating stresses are decisive for the life of a heat exchanger.
  • the thermal cycling is at a Heat exchanger of the type mentioned above due to the resulting in the region of the pipe ends particularly high mechanical stress amplitudes dominating load.
  • a heat exchanger of the type mentioned with an improved pipe-ground connection is from applications of the applicant, for example DE 197 57 034 A1 or DE 103 43 239 A1 , known.
  • GB 169,855 also known to keep pipe ends at a heat exchanger in a draft.
  • GB 169,855 a passage with a collar, which has a tooth-shaped contour formed by tongues at its end facing away from a bottom plate, in which a pipe end is held flexible and resilient.
  • the tongues mentioned reach a local extension of the draft and serve to equalize a sudden change in the moment of resistance in the region of the pipe-ground connection in order to take into account any sudden change in cross-section of a pipe.
  • This makes it possible to achieve a more flexible and flexible retention of tubes in the area of the passage - the latter only leads to a general relief of a pipe-floor connection, without counteracting the concrete stresses in the region of the corner radii of the pipe-floor connection.
  • the invention begins, whose object is to provide a heat exchanger in which the durability is improved and a manufacturing process is made safer and / or easier.
  • the collar can advantageously have sections according to the invention on all sides, i. It may also prove advantageous to provide sections according to the invention only on opposite sides of the collar - e.g. on the long sides or short sides of the collar (in the case of flat tubes) -or only on two adjacent sides of the collar. An inventive section may also be provided only on one or only on three sides of the collar.
  • all passage openings of the floor are designed as a passage with a collar.
  • only a portion of the passage openings can be designed according to the invention.
  • the inventive design of the passage openings at the edge or corner regions of the floor for wheel or corner areas has proven to be advantageous.
  • the invention is based on the consideration that, as explained above, an in DE 100 16 029 A1 provided continuously decreasing wall thickness from the beginning of a passage to its end and a simple bending of the collar outward has strength disadvantages, because the contact area between the tube and the bottom is reduced and because the passage at the lower end is relatively thin perform and thus brings strength nightmare with it.
  • the invention has recognized that it should be possible to provide an insertion bevel in a collar, ie to make a collar bendable, and yet to provide sufficient for increased strength bearing surface between the collar and pipe in a passage, Accordingly the invention provides that the collar recognizable sections, namely a bottom-near portion and an end-side portion, between which at least one shoulder is arranged as a recognizable separation between the sections, which has a transverse to the contour of the bottom-proximal portion and the end-side section heel contour.
  • the invention has recognized that it is possible by this measure in an advantageous manner, wegzuneigen the end-side portion of a pull-through axis and thus still provide a sufficient contact surface between the collar, in particular the near-bottom portion, and the tube.
  • a comparatively long and thin collar in the end portion in the end portion.
  • a comparatively firm, dimensionally stable near-bottom portion of the collar should be present. In particular, this can be made thicker than the end-side section.
  • the near-ground section can be designed dimensionally stable and comparatively strong material.
  • the collar can be formed with improved process reliability and a strength advantage.
  • the size of the insertion can be influenced by the concept of the invention, the size of the insertion, for example, by the size of the design of the paragraph and adjust depending on the intended use. In this case, it is generally ensured that the cross section of the wall of the collar to the cooler network, in particular discontinuously increases discontinuously. Total leave Lead chamfers produce, which are significantly larger than limited by the material thickness of the collar insertion chamfers according to the prior art.
  • the transverse heel contour is designed in such a way that the predominant wall cross-sectional difference between the near-bottom portion and the end-side portion is thereby formed.
  • it is placed by the transverse paragraph contour practically a predetermined kink.
  • a particularly advantageous manner is defined by the transverse paragraph contour a doctormorede, ie apparent boundary between the paragraph and the end-side section in the form of a tilting point, so that the end-side portion of the passage axis tilts at the finished passage.
  • the border practically corresponds to a kink and / or bending point at the collar.
  • a strongest wall cross-section change at the boundary to be identified between the end-side section and the shoulder is designed in such a way that, at its boundary to the radiator network, the cross-section increases the most over a comparatively narrow space in comparison to other sections of the collar.
  • a sales contour is executed in a straight line.
  • a heel contour can be arranged at a right angle to an edge of the bottom-near portion. This type of sales contour can be realized particularly easily with the aforementioned advantages according to the concept of the invention.
  • a heel contour has a groove.
  • a heel contour is arranged at an acute angle to an edge of the bottom portion.
  • the angle of an insertion bevel can be determined in a particularly advantageous manner by forming the groove, in particular by forming the acute angle.
  • the widening angle of the insertion bevel is determined by the bending or bending of the end section in that the latter is bent down until it rests against a groove forming the acute angle.
  • a heel contour can be obliquely rectilinear.
  • a heel contour is arranged at an obtuse angle to an edge of the bottom-near portion.
  • This variant defines in a particularly advantageous manner a bending and / or kinking in the context of the manufacturing process.
  • a heel contour in a further varied development of the invention can also be curved.
  • sales contours have proved to be advantageous, which can be realized in the context of a spline adjustment.
  • a paragraph contour can be approximated in a particularly advantageous manner as a higher-order polynomial.
  • an edge of the ground-level and / or end-side section is largely rectilinear. It has been shown that in a particularly advantageous manner, the disadvantages of the prior art are avoided.
  • a number of paragraphs for example, two or more paragraphs between an end-side portion and a ground-level portion may be provided. If necessary, the transition between a ground-level section and an end section can be graded to suit the intended use.
  • the shoulder is formed as part of a transitional section, wherein the transition section has a transition from the shoulder to the ground-level section and a transition from the shoulder to the end-side section. It has been found that, according to the aforementioned development, a transition to the shoulder can be carried out in a coordinated manner depending on the intended use, and thus the buckling and / or bending behavior at a transition to the shoulder can advantageously be influenced. Thus, a transition, in particular a transition from the ground-level section to the paragraph at right angles or obtuse or acute-angled execute. Also, a transition to the paragraph can be performed continuously or discontinuously as needed. Thus, it has proven to be advantageous to perform both transitions steadily or both transitions unstably.
  • the concept of the invention can be applied to pipes of any cross-section.
  • the concept of the invention has been found in a flow channel in the form of a flat tube with a narrow pipe side and a pipe width side, for example, with a rectangular, or rectangular with a curved pipe narrow side, or oval cross-sectional shape.
  • the above-described concept or one of the refinements of the same can be combined with a development according to which the passage opening, in particular the collar, at least one curved away from a plane substantially perpendicular to Rohrachsutter and at a distance from said plane having running boundary contour.
  • a heat exchanger according to the concept of the invention can basically be designed in many ways.
  • the block has a chamber receiving the flow channels and through which the second fluid can flow.
  • the box is further provided with a lid, wherein the lid is fixed to the ground. Additionally or alternatively, the bottom may be formed integrally with the box.
  • a flow channel preferably has a heat-conducting element in the form of an inner rib attached to a channel inside, in particular soldered, and / or a heat-conducting element in the form of an outer rib which is used on a channel outside, in particular soldered.
  • the ribs are also called corrugated ribs.
  • the block may be beyond a flow guide, in particular a turbulence device.
  • a so-called radiator network is formed as part of the block of an alternating superposition of pipes and heat-transmitting corrugated fins.
  • the invention leads in a particularly preferred manner to a heat exchanger in the form of a direct or indirect charge air heat exchanger, in particular radiator or in the form of an exhaust gas heat exchanger, in particular radiator.
  • the concept of the present invention can be used within the scope of the use of the heat exchanger of the type described above for an internal combustion engine of a motor vehicle, that is quite generally in the mobile field.
  • a heat exchanger is realized according to a preferred embodiment in the form of a charge air cooler for direct charge air cooling and serves for heat exchange between a charge air and a coolant, preferably air.
  • the charge air cooler can be realized for indirect charge air cooling, wherein the coolant is preferably water.
  • the heat exchanger may be used for charge air cooling - or generally, charge fluid cooling - in mobile applications, e.g. Commercial vehicles are used.
  • the heat exchanger has a block comprising a radiator network for the separate heat exchanging guidance of the charge air and of the coolant.
  • the block has a number of flow channels through which charge air can flow, which additionally have a heat conducting element in the form of an inner rib attached to a channel inside and a heat conducting element in the form of an outer rib attached to a duct outside.
  • a radiator network Such a generally consisting of a changing arrangement of pipes and heat-transmitting corrugated ribs arrangement is also referred to as a radiator network.
  • a box fluidly connected to the flow channels is associated with the block, and a bottom between the block and the box is provided with one or more through holes for passage of the flow channels between the block and the box.
  • a mounted on the bottom 1 passage 17 with the radiator mesh oriented collar 7 - as in Fig. 1A and Fig. 1B is shown - can be used mainly for mobile applications such as a charge air cooler for commercial vehicles, in principle, it can also improve the adhesion by a reduction of the so-called bottom overhang - indicated as half the difference between the tube depth t and the depth of soil T in Fig. 1B - Can be used advantageously to increase the internal pressure cycling.
  • FIG. 2 shows the lid 5 of the box 3, wherein the lid 5 is fixed to the said bottom 1.
  • the bottom provides a plurality of through holes designated in more detail in the further figures, which are provided for the passage of the flow channels between the block not shown and the box 3.
  • a flow channel in the form of a flat tube 11 is formed, wherein a flat tube 11 has a narrow pipe side 13 and a pipe broadside 15.
  • a flat tube 11 is formed as a rectangular tube.
  • the cross-section of a tube may be varied.
  • a cross section may also be approximately rectangular, approximately oval or for example, be a rectangular cross-section with a curved narrow side.
  • the tube plate 1 shown in the following figures as a detail in view A and in view B is shown in the region of the passage opening, which is formed in the form of a passage 17 with a block 7 oriented to the block.
  • the collar 7 of the passage opening is limited to the block by a limiting contour 19, wherein the limiting contour 19 may be straight or may be curved away from a plane substantially perpendicular to Rohrachs512 21 level and may be at a distance from said plane.
  • Fig. 3A shows the collar 7 in a passage 17 of a bottom 1 in a state before the insertion bevel in the context of the manufacturing process, as in Fig. 3B shown by a stamp 31 is attached by means of tulips.
  • the blank of a bottom 1 of an embodiment shown in the following figures in view (A) is finished to the finished bottom in the context of the manufacturing step shown in the views (B) of the following figures by tulips.
  • Identical features or parts or identical features or parts of the same function are provided with the same reference numerals for the sake of simplicity.
  • the collar 7 of the embodiment in FIG Fig. 3A, Fig. 3B has, as in the other embodiments, according to the concept of the invention, a bottom portion 23 and an end portion 25, between which a shoulder 27 with a transverse to the contour 33 of the bottom portion 23 and / or transverse to the contour 35 of the end portion 25 extending paragraph contour 29 on.
  • the paragraph is impressed in the present case in the context of the manufacturing process for forming the paragraph contour 29.
  • the embodiment of paragraph 27 allows the end-side portion 25 to be inclined away from a pull-through axis 37.
  • FIGS. 4A and 4B show a further example of a collar 7 in a passage 17, in which the embossed paragraph 27 is provided with a groove-like profile 39.
  • the heel contour 29 is rectilinear, but now the heel contour 29 does not form a right angle to an edge 33, 35 of the end portion 25 or bottom portion 23, but rather an acute angle a.
  • the angle a in the state before the widening of the angle w of the insertion be anticipated to the pull-through axis 37 in paragraph 27 by impressing the channel 39.
  • Fig. 3B shows a further example of a collar 7 in a passage 17, in which the embossed paragraph 27 is provided with a groove-like profile 39.
  • the outwardly bent, comparatively thin part of the collar in the form of the end portion 25 applies to this channel-like profiling 39. That is, in the present embodiment, the heel contour 29 extends in the finished collar transversely to the contour 33 of the bottom portion 23 but parallel to the contour 35 of the end portion 25th
  • Fig. 5A, Fig. 5B shows the further example of a collar 7 in a passage 17, wherein in this case a transition portion 24 between the bottom-near portion 23 and the end-side portion 25 is formed and the Transition section 24 has two paragraphs 27, 28.
  • the wall thickness d of the end-side portion 25 is less than the wall thickness D of the bottom-near portion 23 and is extended by the paragraphs 27, 28, the wall thickness gradually in the direction of the pull-through axis 37. While the present embodiment of the Fig. 5A, Fig.
  • FIG. 5B again shows the manufacturing step in which the end-side section 25 - similar to Fig. 3B - Is bent by a punch 31 to form a marked by the angle w introduction.
  • Fig. 6A, Fig. 6B shows a further example of a passage 17 with collar 7, in which the embossed paragraph 27 has a straight sloping heel contour 29 which - this in contrast to the embodiment in Fig. 4A, Fig. 4B -
  • an obtuse angle b to the edge 33, 35 of a bottom portion 23 and end portion 25 has.
  • the paragraph 27 is thus present part of a transition section 24 between the end-side section 25 and the bottom portion 23, wherein a transition to the shoulder 27 in the context of the transition section 24 on both sides, ie a transition to the bottom portion 23 and a transition to the end portion 25, discontinuous , ie angular, is formed.
  • Fig. 6B again shows the manufacturing step for bending the end-side section 25 with a punch 31.
  • heel contour 29 in the embodiments described above in principle, also not rectilinear, in particular arbitrarily curved can be performed.
  • a heel contour 29 can be advantageously carried out, for example, as Splineverlauf.
  • Fig. 7A, Fig. 7B shows a further example of a collar at a passage 17, bel to - in the above-explained modification Fig. 6A, Fig. 6B -
  • the paragraph contour 29 of the paragraph 27 is in turn carried out largely straight, but transitions 24 ', 24 "to sales contour 29 in this case both sides are continuous, here rounded executed ..
  • the associated manufacturing step for bending an end portion 25 is - similar to those previously described Embodiments "in Fig. 7B shown
  • FIG. 8A, 8B shows an example of a collar in a passage 17 with a bottom portion 23, a transition portion 24 and an end portion 25, wherein the transition portion 24 has a shoulder 27 with present largely curved heel contour 29.
  • the transition to the heel contour is carried out as an unsteady transition 24 ", that is to say angularly
  • the present transition from the heel contour 29 to the near-bottom portion 23 is presently continuous, here largely convexly curved, as a continuously curved transition 24 '.
  • the manufacturing step for bending the end-side portion 25 is again in FIG Fig. 8B shown.
  • FIGS. 9A, 9B shows a further example of a collar 7 in a passage 17 with an end-side section 25, a transition section 24 and a bottom portion 23.
  • the transition section 24 has a present paragraph 27, the paragraph contour 29 in the context of the transition section 24 to the bottom portion 23 a discontinuous Transition 24 'and the end-side portion 25 a continuous transition 24 ", which is executed in this case concavely curved 8A, 8B
  • the continuous transition at the "lower” end of the shoulder 27 is arranged and the discontinuous transition 24 'at the "upper” end of the shoulder 27 is arranged, while this at 8A, 8B is reversed.
  • it has - as well as in the embodiment of Fig. 7A, Fig.
  • Fig. 9B again shows the manufacturing step for bending the end-side section 25 with a punch 31 to form an introduction with the angle w to the pull-through axis 37.
  • a heat exchanger 10 for exchanging heat between a first fluid, in particular a charge air or an exhaust gas, and a second fluid, in particular a cooling medium comprising: a block for separate and heat exchange guidance of the first and second fluid, which block a number comprising flow passages through which the first fluid flows; at least one box associated with the block 3, which is fluidly connected to the Strömurigskanälen; and at least one floor 1 provided with one or more through holes for passage of the flow channels between the block and the box 3; wherein at least one passage opening is formed as a passage 17 with a collar 7.
  • the invention provides that the collar 7, on at least one side, a bottom portion 23 and an end portion 25, wherein a wall cross-section of the end portion 25 is less than a wall cross-section of the bottom portion 23 and between the bottom and the end portion 23, 25 at least one shoulder 27, 28 is arranged, which has a transversely to the contour 33, 35 of the bottom portion 23 and the end portion 25 extending heel contour 29; and wherein the end-side portion 25 is inclined away from a pull-through axis 37.
  • each of the previously described embodiments and other embodiments not described here in detail within the context of the concept of the invention enables a simple and particularly cost-effective production of a base for a heat exchanger, in which the strength for connecting the heat exchanger tubes is comparatively high, in particular advantageous DE 100 16 029 A1 , is executed and at the same time the production of cooling networks of the block of the heat exchanger with inverted passages 17 with comparatively high process reliability and thus with relatively small reject rates is possible.
  • a thin collar has the advantage of being flexible when the net grows on one side in width, which in particular the thermal shock resistance comes to good.
  • a transition (24 ') from the ground-level section (23) to the shoulder (27, 28) is continuous and a transition (24 ") from the end-side section (25) to the shoulder (27, 28) is unsteady, or a transition (24 ") from the end portion (25) to the shoulder (27, 28) is continuous and a transition (24 ') from the bottom portion (23) to the shoulder (27, 28) is unsteady.
  • the collar (7) is oriented towards the block, in particular oriented towards a cooling net structure.
  • a flow channel in the form of a flat tube (11) with a narrow pipe side (13) and a pipe broadside (15) is formed, in particular comprising a cross-sectional shape selected from the group consisting of: rectangular, rectangular with a curved pipe narrow side (13 ), oval or the like.
  • the collar (7) has at least one boundary contour (19) which is curved away from a plane substantially perpendicular to the tube axis direction (21) and extends at a distance from the said plane.
  • the block has a chamber receiving the flow channels and can be flowed through by the second fluid.
  • the box (3) has a lid (5) and the lid (5) is fixed to the floor (1) and / or the floor (1) is formed integrally with the box (3).
  • a flat tube (11) is arranged as a tube in an edge region, in particular a corner region, of the block and, in particular, only such tubes is held to a passage opening formed as a passage with a collar.
  • a flow channel has a heat conducting element attached to a channel inside, in particular in the form of an al soldered inner rib, and / or a heat conducting element attached to a channel outside, in particular in the form of a soldered outer rib, preferably an inner rib and / or an outer rib is formed as a corrugated fin.
  • the heat exchanger (10) is designed in the form of a direct or indirect charge air heat exchanger, in particular radiator.
  • the heat exchanger (10) is designed in the form of an exhaust gas heat exchanger, in particular radiator.
  • the use of the heat exchanger (10) for an internal combustion engine of a motor vehicle, in particular commercial vehicle, is advantageous.
  • the shoulder (27, 28) is embossed.

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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 (12)

  1. Echangeur de chaleur (10) pour l'échange de chaleur entre un premier fluide et un second fluide, présentant :
    - un bloc servant au guidage du premier et du second fluide séparés l'un de l'autre et échangeant de la chaleur, lequel bloc présente un nombre de conduits d'écoulement pouvant être traversés par le premier fluide ;
    - au moins un bac (3) associé au bloc, bac qui est en communication d'écoulement avec les conduits d'écoulement ;
    et
    - au moins un fond (1) qui est doté d'une ou de plusieurs ouvertures de passage servant à faire passer les conduits d'écoulement entre le bloc et le bac (3), où au moins une ouverture de passage est formée comme un passage traversant (17) comportant une collerette (7), où
    - la collerette (7) présente, sur au moins un côté, une partie (23) située à proximité du fond et une partie (25) située côté extrémité, où
    - une section de paroi (d) de la partie (25) située côté extrémité est moins large qu'une section de paroi (D) de la partie (23) située à proximité du fond ; et
    - au moins un épaulement (27, 28), disposé sur le côté extérieur du passage traversant, est agencé entre la partie (23, 25) située à proximité du fond et située côté extrémité, épaulement qui présente un contour d'épaulement (29) s'étendant de manière transversale par rapport au contour (33, 35) de la partie (23) située à proximité du fond et / ou de la partie (25) située côté extrémité ; et où
    - la partie (25) située côté extrémité est inclinée en s'écartant d'un axe de passage traversant (37),
    caractérisé en ce que la collerette est orientée en direction du bloc.
  2. Echangeur de chaleur (10) selon la revendication 1, caractérisé en ce que la collerette (7) est configurée comme une collerette entourant de façon circulaire, en totalité ou seulement en partie, l'ouverture de passage.
  3. Echangeur de chaleur (10) selon la revendication 1 ou 2, caractérisé en ce qu'au moins une ouverture de passage ou bien toutes les ouvertures de passage présente(nt) la collerette (7) dans au moins une zone de bordure et / ou une zone angulaire du fond (1).
  4. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le contour d'épaulement (29) s'étendant transversalement forme la différence de section de paroi(D-d), qui est principale entre la partie (23) située à proximité du fond et la partie (25) située côté extrémité.
  5. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une limite à fixer entre l'épaulement (27, 28) ou une partie de transition (24), et la partie (25) située côté extrémité, définit un point d'inclinaison ou un point d'inflexion et / ou de courbure.
  6. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la plus importante modification de section de paroi se produit au niveau d'une limite à fixer entre la partie (25) située côté extrémité et l'épaulement (27, 28).
  7. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la partie complète (25) située côté extrémité, s'étendant jusqu'à l'épaulement (27, 28) ou jusqu'à une partie de transition (24), est inclinée en s'écartant.
  8. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'un contour d'épaulement (29) est disposé de façon rectiligne, ou bien un contour d'épaulement (29) est disposé suivant un angle droit (w) par rapport à un contour (33, 35) de la partie (23) située à proximité du fond.
  9. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'un contour d'épaulement (29) présente une rigole (39), ou bien un contour d'épaulement (29) est disposé suivant un angle aigu (a) par rapport à un contour (33) de la partie (23) située à proximité du fond.
  10. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un contour d'épaulement (29) s'étend en oblique de façon rectiligne, ou bien un contour d'épaulement (29) est disposé suivant un angle obtus (b) par rapport à un contour (33) de la partie (23) située à proximité du fond.
  11. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'un contour d'épaulement (29) est courbé ou bien est courbé de façon cannelée, de préférence un contour (33, 35) de la partie (23, 25) située à proximité du fond et / ou située côté extrémité est rectiligne.
  12. Echangeur de chaleur (10) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'épaulement (27, 28) est formé comme appartenant à une partie de transition (24), où la partie de transition (24) présente une transition (24) à partir de l'épaulement (27, 28) jusqu'à la partie (23) située à proximité du fond, et une transition (24") à partir de l'épaulement (27, 28) jusqu'à la partie (25) située côté extrémité.
EP09165742.9A 2008-08-08 2009-07-17 Echangeur thermique, utilisation et procédé de fabrication d'un échangeur thermique Active EP2151655B1 (fr)

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DE102008036975 2008-08-08
DE102008051896 2008-10-16

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EP2151655A2 EP2151655A2 (fr) 2010-02-10
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US (1) US8720535B2 (fr)
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FR2962206B1 (fr) * 2010-06-30 2014-12-19 Valeo Systemes Thermiques Collecteur pour echangeur de chaleur et echangeur de chaleur equipe d'un tel collecteur
US8541513B2 (en) * 2011-03-18 2013-09-24 Prc-Desoto International, Inc. Terminal-modified difunctional sulfur-containing polymers, compositions thereof and methods of use
DE102011075071A1 (de) 2011-05-02 2012-11-08 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Ladeluftkühler
DE102012011520A1 (de) * 2012-06-08 2013-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wärmetauschersystem, Verfahren zu dessenHerstellung sowie Fluidverteilungselement
SE1350136A1 (sv) * 2013-02-05 2014-08-06 Titanx Engine Cooling Holding Ab Värmeväxlare
WO2014145534A1 (fr) * 2013-03-15 2014-09-18 Munters Corporation Échangeur de chaleur à refroidissement par évaporation indirect
CN103213291B (zh) * 2013-05-03 2015-07-15 安徽中意胶带有限责任公司 钢丝绳芯输送带用旋转组合式分梳器
DE102014219210A1 (de) * 2014-09-22 2016-03-24 Mahle International Gmbh Wärmeübertrager
US10371464B2 (en) 2015-07-07 2019-08-06 Mahle International Gmbh Tube header for heat exchanger
GB2550952B (en) * 2016-06-02 2020-07-01 Denso Marston Ltd A header plate for a heat exchanger
DE102017202667B4 (de) * 2017-02-20 2020-03-05 Hanon Systems Wärmetauscher
DE102018220142A1 (de) * 2018-11-23 2020-05-28 Mahle International Gmbh Sammelrohr für einen Wärmeübertrager
DE102018220139A1 (de) * 2018-11-23 2020-05-28 Mahle International Gmbh Sammelrohr für einen Wärmeübertrager

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US20100038063A1 (en) 2010-02-18
EP2151655A3 (fr) 2014-01-01
EP2151655A2 (fr) 2010-02-10
DE102009033774A1 (de) 2010-03-04
US8720535B2 (en) 2014-05-13

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