EP2255146B1 - Nutlose endplatte - Google Patents

Nutlose endplatte Download PDF

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Publication number
EP2255146B1
EP2255146B1 EP09710214.9A EP09710214A EP2255146B1 EP 2255146 B1 EP2255146 B1 EP 2255146B1 EP 09710214 A EP09710214 A EP 09710214A EP 2255146 B1 EP2255146 B1 EP 2255146B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
tubes
exchanger according
header
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
EP09710214.9A
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English (en)
French (fr)
Other versions
EP2255146A1 (de
Inventor
Jean-Marc Lesueur
Christian Riondet
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
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Valeo Systemes Thermiques SAS
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Publication of EP2255146A1 publication Critical patent/EP2255146A1/de
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Publication of EP2255146B1 publication Critical patent/EP2255146B1/de
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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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers

Definitions

  • the invention relates to the field of heat exchangers, in particular for motor vehicles. More particularly, the present invention relates to a heat exchanger in accordance with the preamble of claim 1, as disclosed by the document. WO 2005 / 066568A1 .
  • the invention relates more specifically to a manifold mounted on a heat exchanger, such as a radiator for engine coolant.
  • a heat exchanger such as a radiator for engine coolant.
  • This type of radiators conventionally uses tubes and spacers arranged between the tubes for the heat exchange bundle while the manifold comprises at least two parts, one forming the manifold plate intended to receive and fix the ends of the tubes. of the exchange bundle and the other forming the cover intended to be fixed on the collector plate to at least partially close the collector box.
  • the manifolds are generally of two types, namely of the type "all metal” or the type with a plastic cover.
  • the “all metal” manifold type has a certain number of advantages compared to the type of manifold with plastic cover which requires the fixing of a sealing means, conventionally an elastic seal, to ensure a connection. perfectly sealed between the cover and the collector plate.
  • the collector plate has a groove or groove intended to place and position the seal. Then, the cover is positioned on the seal then, conventionally, a crimping of the collector plate is carried out, for example by through teeth located on the periphery of the collector plate.
  • the present invention aims to remedy the drawbacks of collector plates without groove or groove of the prior art by proposing a solution for achieving optimum fixing between the cover and the collector plate, without damaging the collector plate, its collars or the ends of the tubes. , and ensuring proper positioning of the seal.
  • the invention consists of a heat exchanger according to claim 1.
  • flat surface relative to the collector plate means that this collector plate extends along a single plane surface, with the exception of the collars which are conventionally protruding, in particular at its periphery so that the collector plate has no groove, structural reinforcement (up or down relative to the mean plane of the collector plate), groove or the like, conventionally used to house the sealing means (conventionally an elastic joint) and which also has the function of strengthening the collector plate during crimping of the teeth or the like thereof in order to fix the cover to the collector plate.
  • said plate is provided with crimping teeth, provided at its periphery.
  • Said teeth are, for example, spaced from each other and give the periphery of the plate a crenellated appearance. They thus have a dimension 1, called width, taken in a direction oriented parallel to a long side of the plate.
  • a density of crimping teeth as being the ratio between, on the one hand, the cumulative width of the teeth and, on the other hand, the length L of said long side, taken in the rectilinear portion of the latter, it that is to say, outside the end zones of the plate if it is in the form of a radius.
  • the invention also relates to a manifold including a manifold plate, as defined above, and a cover.
  • the thickness of the material of the collecting plate, or of the parts forming the collecting plate is between 0.8 mm and 2 mm, preferably between 0.8 mm and 1.5 mm.
  • Said box is provided with a seal, positioned at the periphery of the plate, between said plate and the cover.
  • the ratio between ph, p being the "tube pitch”, and h the "tube height” or the dimension of the minor axis of the orifices for the passage of the tubes, over the diameter d of the joint being between 1 and 3.
  • (ph) / d is between 1 and 3, for example between 1.5 and 2.5.
  • diameter d of the joint is meant, in case the joint is not round, the diameter of the round joint having the same section.
  • the invention finds its application both for brazed heat exchangers and for so-called “mechanical” heat exchangers in which. the elements of the manifold, namely conventionally the manifold and the cover, are also fixed to each other definitively by mechanical means, for example crimping, clamping or others.
  • mechanical means for example crimping, clamping or others.
  • the so-called “brazed” heat exchanger does not use mechanical fixing steps for its production with the exception of the crimping step, or pre-fixing, of the cover on the collector plate; the elements of the manifold and the heat exchanger being also brazed to each other.
  • the figure 1 presents a partial section of a collector plate 1 illustrating the openings or collars 2 for a collector box (also sometimes called “collector") of the prior art.
  • a collector box also sometimes called "collector”
  • the forces 3, 3 ′ acting on the collecting plate 1 and thus on each of the collars or openings 2 present on said plate 1 or on the ends of the tubes.
  • the manifold adapted to be used in a heat exchanger according to the invention is a manifold provided with a part or plate 1 having the function of collecting the ends of tubes; this collector plate 1 extending along a single plane and comprising no recess, groove, step or any other deformation whose purpose is to provide structural reinforcement since the object of the invention is to disclose a different and advantageous solution, reinforcing the collector plate 1 and its collars 2 thus at the same time as the tube ends, in particular during the crimping and subsequently to the latter.
  • the manifold is conventionally produced and does not include any technical feature distinguishing it for example from what is described in the document.
  • the heat exchanger, of the brazed type or of the “mechanical” type does not have, apart from its specific characteristics linked to the present invention, characteristics which differentiate it from the prior art.
  • the manifold of the prior art comprises collars generally of rectangular, circular or similar shape.
  • the distance between two collars 2, corresponding to the pitch p 'of the tube, is at least equal to 12 mm.
  • this force 3 is applied on the periphery of the collector plate 1 and this force is almost essentially distributed over the lateral ends 3 ′ of the collars 2, or over the ends of the tubes, whereas this part of the collars 2 or of the ends of the tubes is particularly fragile.
  • the force 3, 3 ′ exerted on each of the lateral end parts is high and damages the collecting plate 1 or said lateral ends of the collars 2, or the ends of the tubes.
  • opening By the concept of opening is meant that there is only an opening 15 in the collecting plate 10 for receiving a tube 11 as opposed to the concept of collars 12 which correspond to the part of the collecting plate 10 up / down from the mean plane (or surface) XX of the collector plate.
  • a collector plate 10 with openings 15 is shown on the figure 3 and a collector plate 10 with collars 12 is shown on the figure 4 ; these two header plates 10 each having holes of the same dimensions corresponding to the width of the tubes 11.
  • Said crimping teeth 20 are provided at the periphery of the plate, at a lateral edge 40 thereof, said lateral edge 40 surrounding the flat part 80, provided with orifices for the passage of the tubes, of the plate. Said teeth are, for example, spaced from each other and give the upper part of the lateral edge 40 of the plate a crenellated appearance.
  • Said teeth 20 have, in particular, a dimension, called width 1, taken in a direction oriented parallel to a long side of the plate.
  • said plate has a density of crimping teeth, defined as the ratio between, on the one hand, the cumulative width of the teeth and, on the other hand, the length L of said long side, taken in the rectilinear portion of the latter , that is to say, here, without taking into account the radii 50 connecting the lateral 60 and longitudinal 70 parts of the lateral edge 40.
  • the density of crimping teeth on the tube pitch is, for example, between 0 , 04 and 0.17.
  • a seal 30 of a manifold of an exchanger according to the invention has been shown in the figure 3 , before compression. It is located on the periphery of the flat part 80 of the collector plate, between the ends of the tubes opening into the box and the lateral edge 40 of the plate.
  • the ratio between p-h, on the diameter d of the joint may be between 1 and 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (9)

  1. Gelöteter Wärmetauscher, insbesondere für Kraftfahrzeuge, umfassend ein Wärmetauscherbündel, das aus einer Mehrzahl von Rohren oder Ähnlichem besteht, deren Enden jeweils an zwei Sammelkästen befestigt sind, wobei die beiden Sammelkästen jeweils eine Endplatte (1) und mindestens ein als "Deckel" bezeichnetes Teil, das dazu bestimmt ist, den Sammelkasten bei seiner Befestigung an der Endplatte (1) zumindest teilweise zu verschließen, sowie ein Dichtmittel, das zwischen der Endplatte (1) und dem Deckel angeordnet ist, umfassen, wobei jede Endplatte (1) eine Mehrzahl von Öffnungen oder Flanschen (2) umfasst, die zur Befestigung einer Mehrzahl von Rohren oder Ähnlichem bestimmt sind, in denen mindestens ein Medium zirkuliert, wobei sich die Endplatte entlang einer ebenen Fläche (XX) erstreckt, wobei die Platte nut- oder rillenfrei ist, wobei der Wärmetauscher dadurch gekennzeichnet ist, dass der Abstand zwischen zwei benachbarten Öffnungen oder Flanschen (2) oder das "Rohrrastermaß" (p) weniger als 9,5 Millimeter (mm) beträgt.
  2. Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass der Abstand zwischen zwei benachbarten Öffnungen oder Flanschen (2) oder das "Rohrrastermaß" (p) zwischen 5 und 8 mm beträgt.
  3. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Höhe der Flansche (2) zwischen 1 und 5 mm, insbesondere zwischen 1 und 2,5 mm beträgt.
  4. Wärmetauscher nach einem der vorhergehenden Ansprüche, wobei die Platte mit Einpresszähnen (20) versehen ist, die an ihrem Umfang vorgesehen sind, wobei die Zähne ein Maß, Breite 1 genannt, entlang einer parallel zu einer Breitseite der Platte ausgerichteten Richtung haben, wobei die Platte eine Einpresszahndichte, definiert als das Verhältnis zwischen der Gesamtbreite der Zähne einerseits und der Länge L der Breitseite in deren geradlinigem Abschnitt andererseits, aufweist, wobei die Einpresszahndichte zum Rohrrastermaß zwischen 0,04 und 0,17 beträgt.
  5. Wärmetauscher nach einem der vorhergehenden Ansprüche, wobei das Dichtmittel aus einer Dichtung (30) besteht und wobei das Verhältnis zwischen p-h, wobei p das "Rohrrastermaß" und h das Maß der kleinen Achse der Öffnungen zum Durchführen der Rohre ist, zum Durchmesser d der Dichtung zwischen 1 und 3 liegt.
  6. Wärmetauscher nach einem der vorhergehenden Ansprüche dadurch gekennzeichnet, dass die Materialstärke des Sammelkastens oder der den Sammelkasten bildenden Teile zwischen 0,8 mm und 2 mm, bevorzugt zwischen 0,8 mm und 1,5 mm beträgt.
  7. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Höhe (h) der Rohre zwischen 1 und 8 mm, insbesondere zwischen 1 und 5 mm und bevorzugt zwischen 1 und 2 mm beträgt.
  8. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die seitlichen Ränder der Rohrenden einen kreisförmigen oder rechteckigen Querschnitt aufweisen.
  9. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Materialstärke der Rohre zwischen 0,15 und 0,5 mm, insbesondere zwischen 0,15 und 0,35 mm und bevorzugt zwischen 0,15 und 0,27 mm beträgt.
EP09710214.9A 2008-02-13 2009-02-12 Nutlose endplatte Active EP2255146B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0800760A FR2927412B1 (fr) 2008-02-13 2008-02-13 Plaque collectrice sans gorge
PCT/EP2009/051642 WO2009101138A1 (fr) 2008-02-13 2009-02-12 Plaque collectrice sans gorge

Publications (2)

Publication Number Publication Date
EP2255146A1 EP2255146A1 (de) 2010-12-01
EP2255146B1 true EP2255146B1 (de) 2020-05-27

Family

ID=39339208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09710214.9A Active EP2255146B1 (de) 2008-02-13 2009-02-12 Nutlose endplatte

Country Status (7)

Country Link
US (1) US9297593B2 (de)
EP (1) EP2255146B1 (de)
JP (1) JP5868597B2 (de)
KR (1) KR101619553B1 (de)
CN (1) CN101981403A (de)
FR (1) FR2927412B1 (de)
WO (1) WO2009101138A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927411B1 (fr) 2008-02-13 2013-03-29 Valeo Systemes Thermiques Moyens d'etancheite pour une boite collectrice d'echangeur de chaleur
US20150136369A1 (en) * 2012-06-08 2015-05-21 International Engine Intellectual Property Company Llc Egr cooler header casting
JP6337442B2 (ja) 2013-10-30 2018-06-06 株式会社デンソー 熱交換器
JP6394202B2 (ja) 2013-11-27 2018-09-26 株式会社デンソー 熱交換器
US10317142B2 (en) * 2014-08-25 2019-06-11 Hanon Systems Heat exchanger having a mechanically assembled header

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1702191A1 (de) * 2003-12-19 2006-09-20 Valeo, Inc. Kragen für sammler eines wärmetauschers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2031668A5 (de) 1969-02-03 1970-11-20 Chausson Usines Sa
FR2093349A5 (de) 1970-06-11 1972-01-28 Ferodo Sa
DE4243495C5 (de) 1992-12-22 2010-02-18 Behr Gmbh & Co. Kg Elastomere Dichtung für Wärmetauscher
JPH09225677A (ja) * 1996-02-20 1997-09-02 Furukawa Electric Co Ltd:The 一体型アルミニウム合金製熱交換器
JP3414171B2 (ja) * 1996-11-29 2003-06-09 株式会社デンソー 熱交換器
FR2783907B1 (fr) * 1998-09-25 2000-12-22 Valeo Thermique Moteur Sa Echangeur de chaleur d'encombrement reduit, en particulier pour vehicule automobile
US6719037B2 (en) * 2001-05-02 2004-04-13 Transpro, Inc. Resiliently bonded heat exchanger
JP2004219044A (ja) * 2002-12-26 2004-08-05 Denso Corp 熱交換器およびコアプレートの製造方法
JP2004286358A (ja) * 2003-03-24 2004-10-14 Calsonic Kansei Corp 熱交換器のコア部構造
JP2004293982A (ja) * 2003-03-27 2004-10-21 Calsonic Kansei Corp 熱交換器のコア部構造
FR2867553B1 (fr) 2004-03-10 2009-08-28 Valeo Thermique Moteur Sa Boite collectrice d'echangeur de chaleur avec joint d'etancheite
CN1981176B (zh) * 2004-07-05 2010-06-16 昭和电工株式会社 换热器
JP4786234B2 (ja) * 2004-07-05 2011-10-05 昭和電工株式会社 熱交換器
US7156401B2 (en) 2004-09-17 2007-01-02 Modine Manufacturing Company Elastomeric gasket in gasket well of heat exchanger
JP2007283321A (ja) * 2006-04-13 2007-11-01 Calsonic Kansei Corp 燃料電池用熱交換器の製造方法および燃料電池用熱交換器
FR2927411B1 (fr) 2008-02-13 2013-03-29 Valeo Systemes Thermiques Moyens d'etancheite pour une boite collectrice d'echangeur de chaleur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1702191A1 (de) * 2003-12-19 2006-09-20 Valeo, Inc. Kragen für sammler eines wärmetauschers

Also Published As

Publication number Publication date
KR20100123830A (ko) 2010-11-25
JP5868597B2 (ja) 2016-02-24
FR2927412A1 (fr) 2009-08-14
FR2927412B1 (fr) 2012-12-21
US9297593B2 (en) 2016-03-29
JP2011511923A (ja) 2011-04-14
EP2255146A1 (de) 2010-12-01
CN101981403A (zh) 2011-02-23
KR101619553B1 (ko) 2016-05-10
US20110017435A1 (en) 2011-01-27
WO2009101138A1 (fr) 2009-08-20

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