EP1763652B1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
EP1763652B1
EP1763652B1 EP05764150A EP05764150A EP1763652B1 EP 1763652 B1 EP1763652 B1 EP 1763652B1 EP 05764150 A EP05764150 A EP 05764150A EP 05764150 A EP05764150 A EP 05764150A EP 1763652 B1 EP1763652 B1 EP 1763652B1
Authority
EP
European Patent Office
Prior art keywords
housing
heat exchanger
construction
plate
type
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
EP05764150A
Other languages
German (de)
English (en)
Other versions
EP1763652A1 (fr
Inventor
Martin Bauer
Steffen Brunner
Peter Geskes
Martin KÄMMERER
Claudia Lang
Rainer Lutz
Ulrich Maucher
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
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1763652A1 publication Critical patent/EP1763652A1/fr
Application granted granted Critical
Publication of EP1763652B1 publication Critical patent/EP1763652B1/fr
Active 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
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases

Definitions

  • the invention relates to a heat exchanger in tube bundle construction or in disk construction according to the preamble of claim 1.
  • DE-A1-4 334 768 shows such a heat exchanger.
  • the heat exchanger is constructed so that the flow channels of the primary and secondary medium alternate, so that the pressure level of the other medium is present on both sides of the inner flow channels.
  • support structures By introducing support structures into a flow channel this can be supported against pressure from the other side. Since the pressure on both sides of the channel is the same, the opposing flow channel walls mutually support each other via the support structures. If support structures are introduced into both flow channels, that is to say into the flow channels of the primary medium and the flow channels of the secondary medium, all flow channels are supported against excess pressure from the outside, the heat exchanger is thus designed for overpressure of the primary medium relative to the secondary medium and vice versa.
  • the support structure If the support structure is firmly connected to the flow channel walls, then it causes a stiffening both against overpressure from the outside as a result of the support, but also against overpressure within the flow channel by acting as a tie rod between the two opposite flow channel walls.
  • rib structures, supporting plates or supporting nubs / beads are used.
  • FIGS. 2a and 2b An example of a known tube bundle construction with knob support is in the FIGS. 2a and 2b shown.
  • stiffening with knobs 110 leads to a structure which is very stable in terms of pressure, since a symmetrical load case bears against the respective opposite flow channel walls with equal pressures.
  • the problem is, however, the outer flow channels, since the pressure on the flow channel outside only the ambient pressure or the self-unsupported housing wall 102 faces. Thus, there is a risk of damage to the outermost flow channel as a result of the pressure difference.
  • the outermost flow channel can inflate due to the high internal pressure, so that the shape changes, the flow channel shifts and / or no longer supported symmetrically, which also affects the adjacent flow channels, so that the entire heat exchanger including the housing "inflates". Due to the strains, the life of the heat exchanger can be significantly reduced become.
  • the housing 102 is formed relatively thick, which leads among other things to a high weight.
  • a heat exchanger in particular in tube bundle, plate or disc construction, wherein the heat exchanger has a housing in which a plurality of Strömurigskanälen are formed for a primary medium and a secondary medium, and the housing is formed in a sandwich construction.
  • the heat exchanger is preferably an exhaust gas cooler.
  • any other suitably constructed heat exchanger for example a charge air / coolant cooler or an oil cooler, can also be used.
  • the housing is preferably formed by at least two, preferably three sheets, wherein the outer surface of the outer sheet forms the housing outer surface.
  • the inner plate is preferably spaced from the outer plate, wherein between the outer plate and the inner plate, preferably a middle plate is arranged, which has a rib structure having. Instead of a rib structure, other structures spaced apart from the two sheets, such as knobs / beads, are also possible.
  • the sheets are preferably soldered together.
  • the soldering can preferably be done in a single operation, for which the sheets are prepared accordingly before assembly.
  • tube bundles, plates or disc stacks are preferably arranged within the inner plate, which serve the heat exchange between the two operating media.
  • a flow channel for one of the operating media is preferably provided, so that this operating medium is outside the range in which the actual heat exchanger structures, such as tube bundles, are provided, and there is a corresponding pressure.
  • the housing significantly thinner material thicknesses can be used instead of a simple housing wall with a large wall thickness at about the same cost, which show an increased strength in such a structure.
  • the structural weight compared to conventional housings can be significantly reduced.
  • the components are relatively flexible in the unsoldered state and can be easily deformed, since no Versikkitch or the like are required.
  • Due to the relatively large area flat surfaces the connection to the adjacent components in the housing, for example by soldering, supported. If necessary, with small clamping or weight forces during the soldering process gap dimensions can be set, which ensure a surface soldering of the two outer sheets with the intervening rib structure to the housing. Only in the soldered state results in a structure with a large bending stiffness.
  • a housing with exactly two sheets, of which at least one is particularly preferably provided with spacers such as ribs, webs, shafts, knobs or the like is advantageous.
  • spacers such as ribs, webs, shafts, knobs or the like
  • the housing is formed only on two sides or in two opposite housing portions in a sandwich construction.
  • a heat exchanger 1 serving as an exhaust gas cooler has a housing 2, which is formed by a sandwich structure consisting of a plurality of metal sheets 3, 4 and 5.
  • the outer sheet 3 forms with its outer surface the outer surface of the heat exchanger. 1
  • the outer metal sheet 3 has a trough-shaped region 3 'and a cover 3 "which closes it, in each case parallel to the outer metal sheet 3 extending, that is both in the trough-shaped region 3 'and in the region of the lid 3 ", the middle provided with a ribbed sheet metal 4 and on the inside thereof, the inner plate 5 are arranged and soldered together, the sheets 4 and 5 shorter than the outer sheet 3 are formed.
  • the tube bundle 6 of the exhaust gas cooler are arranged.
  • the outermost tube of the tube bundle 6 in each case directly against the inner surface of the inner plate 5 and is soldered to the same.
  • the joining or soldering of the heat exchanger 1 is carried out in a known manner in one operation.
  • the second flow channel is assigned as the outermost region thereof also the hollow space of the housing 2 which is hollow on the basis of the rib structure of the middle plate 4, so that here too a corresponding pressure prevails.
  • a stack of disc pairs is arranged inside a corresponding multi-part housing instead of the tube bundle 6, which form the first flow channel in its interior and the second flow channel in the spaces and the spaces to the outermost metal sheet.

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)

Claims (8)

  1. Echangeur de chaleur, en particulier dans une structure se composait de faisceaux de tubes, de plaqués ou de disques, où l'échangeur de chaleur (1) présente un carter (2) dans lequel est configurée une pluralité de conduits d'écoulement pour un milieu frimaire et un milieu secondaire, où le carter (2) est configuré en structure sandwich, en particulier de façon pratiquement continue, au moins par zones,
    caractérisé en ce que le carter (2) comprend, en structure sandwich, une structure à ailettes fermée par une tôle centrale (4), structure à ailettes qui est disposée entre une tôle extérieure (3) et une tôle intérieure (5), et la structure à ailettes est brasée ou soudée entre la tôle extérieure (3) et la tôle intérieure (5).
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que le carter (2) en structure sandwich est formé par au moins deux tôles (3, 4, 5), où la surface extérieure de la tôle extérieure (3) forme la surface extérieure du carter.
  3. Echangeur de chaleur selon la revendication 1 ou 2, caractérisé en ce que le carter (2) en structure sandwich est formé par au moins deux tôles (3, 4, 5), ou la tôle intérieure (5) est espacée de la tôle extérieure (3) formant la surface extérieure du carter.
  4. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu, dans le carter (2) en structure sandwich, un conduit d'écoulement pour l'un des milieux de fonctionnement, ledit conduis d'écoulement étant dispose entre la tôles extérieurs (3) et la tôle intérieure (5).
  5. échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans le carter (2) en structure sandwich, des faisceaux de tubes, des plaques ou des pilles de disques sont disposés à l'intérieur de la tôle intérieure (5).
  6. Changeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le carter présente, au moins par zones, précisément deux tôles qui sont dotées, en particulier, d'éléments d'espacement tels que des ailettes, des nervures, des ondulations, des tétons ou des éléments analogues.
  7. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le carter en structure sandwich est configuré à chaque fois dans des zones de carter disposées en étant les unes en face des autres, en particulier dans deux zones de carter.
  8. Utilisation d'un échangeur de chaleur (1) selon l'une quelconque des revendications 1 à 7, comme refroidisseur de gaz d'échappement, refroidisseur d'air de suralimentation / de liquide de refroidissement ou refroidisseur d'huile.
EP05764150A 2004-06-29 2005-06-29 Echangeur de chaleur Active EP1763652B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004031567A DE102004031567A1 (de) 2004-06-29 2004-06-29 Wärmeübertrager
PCT/EP2005/006961 WO2006000457A1 (fr) 2004-06-29 2005-06-29 Echangeur de chaleur

Publications (2)

Publication Number Publication Date
EP1763652A1 EP1763652A1 (fr) 2007-03-21
EP1763652B1 true EP1763652B1 (fr) 2012-01-25

Family

ID=35033460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05764150A Active EP1763652B1 (fr) 2004-06-29 2005-06-29 Echangeur de chaleur

Country Status (5)

Country Link
US (1) US20080011465A1 (fr)
EP (1) EP1763652B1 (fr)
AT (1) ATE543068T1 (fr)
DE (1) DE102004031567A1 (fr)
WO (1) WO2006000457A1 (fr)

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424795A (en) * 1943-01-15 1947-07-29 Garrett Corp Reenforced elliptical oil cooler
US2526135A (en) * 1946-04-12 1950-10-17 Gen Motors Corp Gas regenerator
US2767962A (en) * 1952-10-10 1956-10-23 Louis A Blackburn Vacuum milk tank
US2809019A (en) * 1954-06-24 1957-10-08 Coleman Co Cooling apparatus
US3024606A (en) * 1958-07-10 1962-03-13 Curtiss Wright Corp Liquid cooling system for jet engines
US3193919A (en) * 1961-05-26 1965-07-13 Jr Thomas P M Rouse Method of fabricating pressure vessels
US3612174A (en) * 1969-06-20 1971-10-12 Gustav Osfselt Hovalwerk Ag Apparatus having connecting means between containers for preparing consumer water
JPS5373649A (en) * 1976-11-29 1978-06-30 Holl Res Corp Surface structure means for processing fluids
DE3444961A1 (de) * 1984-12-10 1986-06-12 Klöckner-Humboldt-Deutz AG, 5000 Köln Waermetauscher fuer zwei medien, insbesondere ein ladeluftkuehler fuer eine brennkraftmaschine
DD235720A1 (de) * 1985-03-25 1986-05-14 Messgeraetewerk Zwonitz Veb K Waermeaustauscher und verfahren zu seiner herstellung
US4655367A (en) * 1985-09-12 1987-04-07 Palazzo David T Double wall storage tank for liquids
DE3637796A1 (de) * 1986-11-06 1988-05-11 Bavaria Anlagenbau Gmbh Kreuzstrom-plattenwaermetauscher
EP0300286A3 (fr) * 1987-07-22 1989-06-07 Firmenich Sa Feuille sandwich en couches multiples et emballage faisant usage de ladite feuille
NL193255C (nl) * 1992-10-23 1999-04-02 Atag Verwarming Bv Warmtewisselaar.
DE4333904C2 (de) * 1993-09-27 1996-02-22 Eberhard Dipl Ing Paul Kanalwärmetauscher
JP3353475B2 (ja) * 1994-07-28 2002-12-03 株式会社デンソー 熱交換器
JPH08327281A (ja) * 1995-05-30 1996-12-13 Sanden Corp 熱交換器のヘッダ
DE19519740B4 (de) * 1995-06-02 2005-04-21 Mann + Hummel Gmbh Wärmetauscher
DE19621032A1 (de) * 1996-05-22 1997-11-27 Schatz Thermo System Gmbh Wärmespeicher, insbesondere für Kraftfahrzeuge, mit einem doppelwandigen Isolierbehälter
DE19711258C2 (de) * 1997-03-18 1999-09-02 Behr Gmbh & Co Stapelscheiben-Ölkühler
FR2769697B1 (fr) * 1997-10-10 1999-12-31 Soc Et Et De Const Aero Navale Echangeur de chaleur du type a croisement orthogonal de deux fluides
JP2001099585A (ja) * 1999-09-30 2001-04-13 Denso Corp アルミニウム製熱交換器
US6889751B1 (en) * 2000-10-04 2005-05-10 Modine Manufacturing Company Latent heat storage device
JP4180830B2 (ja) * 2002-02-05 2008-11-12 カルソニックカンセイ株式会社 熱交換器
WO2007009713A1 (fr) * 2005-07-19 2007-01-25 Behr Gmbh & Co. Kg Echangeur thermique

Also Published As

Publication number Publication date
EP1763652A1 (fr) 2007-03-21
WO2006000457A1 (fr) 2006-01-05
US20080011465A1 (en) 2008-01-17
DE102004031567A1 (de) 2006-02-02
ATE543068T1 (de) 2012-02-15

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