EP1124106A1 - Wärmetauscher mit verbessertem Dichtungsring, insbesondere für Kraftfahrzeuge - Google Patents

Wärmetauscher mit verbessertem Dichtungsring, insbesondere für Kraftfahrzeuge Download PDF

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Publication number
EP1124106A1
EP1124106A1 EP01102662A EP01102662A EP1124106A1 EP 1124106 A1 EP1124106 A1 EP 1124106A1 EP 01102662 A EP01102662 A EP 01102662A EP 01102662 A EP01102662 A EP 01102662A EP 1124106 A1 EP1124106 A1 EP 1124106A1
Authority
EP
European Patent Office
Prior art keywords
seal
peripheral
heat exchanger
peripheral groove
joint
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
Application number
EP01102662A
Other languages
English (en)
French (fr)
Other versions
EP1124106B1 (de
Inventor
Patrick Boisselle
Paul Garret
Dirk Schapeler
Géraud Vatin
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 Thermique Moteur SA
Original Assignee
Valeo Thermique Moteur SA
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 Thermique Moteur SA filed Critical Valeo Thermique Moteur SA
Publication of EP1124106A1 publication Critical patent/EP1124106A1/de
Application granted granted Critical
Publication of EP1124106B1 publication Critical patent/EP1124106B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • 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
    • Y10T29/49389—Header or manifold making

Definitions

  • the invention relates to heat exchangers, in particular for motor vehicles.
  • a heat exchanger of the type comprising a fluid box provided with a foot peripheral, as well as a collecting plate provided with an edge peripheral delimiting a peripheral groove which has a bottom and is suitable to receive at least partially the peripheral leg, with interposition of a seal compressible.
  • a heat exchanger of this type further comprises means for immobilizing the peripheral foot relative to the collector plate, at the same time ensuring compression of the seal. This immobilization is carried out, for example, by a crimping operation.
  • the seal In a heat exchanger of this type, the seal must ensure a perfect seal to avoid any leakage and corrosion problem.
  • a seal made of an elastomeric material is used of the rubber type, for example of the EPDM type, which is prepared in advance then set up in the peripheral groove of the collector plate before receiving the peripheral foot of the fluid box.
  • the object of the invention is in particular to overcome the drawbacks cited above.
  • It aims in particular to provide a heat exchanger which includes an improved seal which is perfectly positioned in the bottom of the peripheral throat and which thus offers a perfect seal after positioning the peripheral foot of the fluid box.
  • the invention also aims to provide a manufacturing process of such a heat exchanger.
  • the invention provides for this purpose a heat exchanger of type defined in the introduction, in which the seal is formed from a bead of polymerizable material which is placed, in a chosen location, on the bottom of the peripheral throat and which is then polymerized before to be compressed by the peripheral edge of the box collector.
  • the seal of the invention is formed in located on the bottom of the peripheral groove from a bead of polymerizable material, which is then polymerized in situ.
  • the invention makes it possible to deposit the seal in conditions checked regarding not only the place where the cord is deposited, but also the shape particular seal.
  • the joint extends over a height, from the bottom of the peripheral throat, which is higher to its width. It was found that, under these conditions, obtained an optimal joint.
  • the height of the joint is to be considered from the bottom of the peripheral groove, i.e. in the direction of compression of the joint.
  • the joint can be simple and result from the deposition of a layer of cord or be double and result from the deposit of two overlapping layers of cord.
  • the double seal can be applied, either in a single pass, or in two successive passes.
  • the peripheral throat is usually further delimited by two side walls which extend from the bottom.
  • the invention then provides, according to an important characteristic, that the bead is placed on the bottom and away from each of said side walls.
  • the seal sticks only to the bottom throat and is spaced from the two side walls, without being able to stick to them.
  • the seal can thus deform so appropriate during compression resulting from setting place of the peripheral foot. This deformation takes place from optimally without risk of tearing or tearing of the attached.
  • the polymerizable material is advantageously silicone based.
  • Operation b) is advantageously carried out by a nozzle which is moved above the bottom of the peripheral groove.
  • This displacement can be carried out either manually or from preferably automatically, for example using a gauge, under controlled conditions.
  • the cord can be placed either in one single layer to form a single joint, in two layers to form a double joint.
  • the seal is preferably applied in one only one nozzle pass.
  • the cord in the operation b), is placed on the bottom of the throat peripheral, and at a distance from two side walls which are connect to the bottom.
  • the polymerization of the joint is advantageously applied by heat, to accelerate polymerization.
  • the process comprises a subsequent operation e) consisting in immobilize the peripheral foot of the fluid box in the peripheral edge of the collector plate.
  • the heat exchanger shown in Figure 1 includes a collector plate 10, also called collector, produced at from a stamped metal sheet, preferably based aluminum.
  • This plate includes a central core 12, of general rectangular shape through which are openings 14 intended to receive each the end of a tube 16 of a bundle which is brazed to the collector plate.
  • the tubes 16 are, in the example, flat tubes with two internal channels 18 separated by a longitudinal partition 20.
  • the central core 12 is surrounded by a peripheral edge 22 which delimits a peripheral groove 24 having substantially a U-shaped profile.
  • This groove comprises a bottom 26 and two side walls: an internal side wall 28 connected to the core 12 and a wall lateral lateral 30 whose edge is crenellated to define crimping lugs 32 which, initially, are in the extension of the lateral wall 30.
  • seal 34 which is formed in situ from a bead of material polymerizable, as we will see later.
  • the heat exchanger also includes a fluid box 36, partially shown, which includes a wall 38 in dome-shaped, bordered by a peripheral foot 40 which has a generally rectangular outline adapted to that of throat 24 to be able to be received in this the latter ensuring compression of the seal 34.
  • the peripheral foot 40 is delimited by a lower face 42 provided with a peripheral heel 44, by an upper face 46, by an internal lateral face 48 and finally by a face lateral external 50.
  • the joint 34 has an oblong cross section, which is similar to an oval or an ellipse, and whose height H, considered from the bottom 26 (i.e. in the direction of compression) is greater than its width L.
  • the seal 34 is arranged on the bottom of the groove and along of the external face 30, without coming into contact with this last. Note that, in the example shown, the width L is substantially half the internal width of the groove 24, as delimited between the lateral faces 28 and 30.
  • the crimping lugs 32 are folded down on the face upper 46 of foot 40 to immobilize the peripheral foot relative to the header plate and maintain the compression of the joint, which ensures sealing.
  • the seal is deposited in the form of a single bead, in a single layer, which has an oblong section, as indicated above.
  • the seal of Figures 1 and 2 thus results of a deposit in a single layer 52.
  • the seal results from a deposit successive of two layers, namely a lower layer 54 and an upper layer 56, each layer being formed by a deposit of substantially circular section.
  • the seal is applied in two successive passes to first form layer 54, which has two ends 58 and 60 which abut mutually.
  • layer 56 is formed from a layer whose ends 62 and 64 abut.
  • the double seal is applied in one pass.
  • Figure 6 illustrates the deposit a bead of polymerizable material to form the joint sealing.
  • This deposition is carried out by means of a nozzle 72 which has a calibrated output of shape chosen to extrude the bead of polymerizable material in the desired shape.
  • This nozzle is connected to a reserve of polymerizable material (not represented).
  • the nozzle 22 is moved manually or, preferably, from automatically, so that the nozzle follows the contour defined by the external lateral wall 30 of the peripheral groove 24. In this way, we ensure that the seal is removed on the bottom 26 of the gorge, in a chosen location, without coming in contact, neither with the external lateral wall 30, nor with the internal side wall 28. It is expected that the nozzle 72 will located at a chosen distance d from the external face 30 of the throat. For example, this distance can be of the order 0.5 mm.
  • the seal is deposited in two overlapping layers, but it could also, alternatively, be deposited in a single layer.
  • the seal After depositing the seal, it is polymerized, preferably under the action of heat to accelerate the polymerization.
  • This heat action can be performed by any means, for example by passing through the oven. In in all cases, it is preferable to polymerize the joint after complete deposition of the bead of polymerizable material.
  • the polymerizable material used is advantageously of the type silicone.
  • a joint is thus obtained which, once polymerized, is glued at the bottom of the peripheral groove, without adhering to the walls side of the latter.
  • the invention finds particular application to exchangers heat for motor vehicle.
  • Such exchangers heat can be traversed either by a fluid of vehicle engine cooling to form a engine cooling radiator and / or heater the passenger compartment, either by a gas to constitute a cooler charge air.
  • Such heat exchangers can also be traversed by a refrigerant to constitute either a condenser, or an evaporator for an air conditioning circuit.
  • the invention is not limited to the exemplary embodiments described, but can be applied to other variants, especially those concerning type heat exchangers mechanical, i.e. exchangers including fins and / or the collectors are mechanically connected to the tubes.

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)
  • Sealing Material Composition (AREA)
  • Gasket Seals (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP01102662A 2000-02-10 2001-02-07 Wärmetauscher mit verbessertem Dichtungsring, insbesondere für Kraftfahrzeuge Expired - Lifetime EP1124106B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0001670A FR2805036B1 (fr) 2000-02-10 2000-02-10 Echangeur de chaleur avec joint d'etancheite ameliore, en particulier pour vehicule automobile
FR0001670 2000-02-10

Publications (2)

Publication Number Publication Date
EP1124106A1 true EP1124106A1 (de) 2001-08-16
EP1124106B1 EP1124106B1 (de) 2003-11-19

Family

ID=8846866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102662A Expired - Lifetime EP1124106B1 (de) 2000-02-10 2001-02-07 Wärmetauscher mit verbessertem Dichtungsring, insbesondere für Kraftfahrzeuge

Country Status (5)

Country Link
US (1) US6644385B2 (de)
EP (1) EP1124106B1 (de)
AT (1) ATE254749T1 (de)
DE (1) DE60101231T2 (de)
FR (1) FR2805036B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE524751C2 (sv) * 2002-07-29 2004-09-28 Alfa Laval Corp Ab Värmeväxlarplatta, plattvärmeväxlare och förfarande för tillverkning av en värmeväxlarplatta
US7954543B2 (en) * 2004-12-10 2011-06-07 Valeo Sistemas Electricos Heat exchanger header with deformations
US20060157225A1 (en) * 2005-01-18 2006-07-20 Yves Martin High turbulence heat exchanger
CN101111736B (zh) * 2005-02-03 2010-05-19 贝洱两合公司 热交换器
US20060255547A1 (en) * 2005-05-12 2006-11-16 Widder Edward S Zip strip seal
DE102006002854A1 (de) * 2006-01-19 2007-07-26 Behr Gmbh & Co. Kg Befestigungsanordnung für Wärmeübertrager
US20080053645A1 (en) * 2006-08-31 2008-03-06 Denso Corporation Heat exchanger and manufacture method for the same
FI121974B (fi) * 2007-05-14 2011-06-30 Flaekt Woods Ab Menetelmä ilmanvaihtokanavien ja/tai niiden päätelaitteiden välisen tiivisteen muodostamiseksi sekä tiiviste
DE102007024630A1 (de) * 2007-05-24 2008-11-27 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Ladeluftkühler oder Abgaskühler für eine Brennkraftmaschine eines Kraftfahrzeuges und dessen Herstellungsverfahren
US7640971B2 (en) * 2007-06-12 2010-01-05 Centrum Equitites Acquisition Heat exchanger manifold sealing system
US20090255657A1 (en) * 2008-04-15 2009-10-15 Denso Corporation Heat exchanger and method of manufacturing the same
CN104776749B (zh) * 2015-03-30 2016-09-21 茂名重力石化机械制造有限公司 一种列管式换热器管箱密封结构
JP2018151075A (ja) * 2015-08-04 2018-09-27 株式会社デンソー 熱交換器
CZ306655B6 (cs) * 2016-01-05 2017-04-19 Hanon Systems Těsnění, zejména vhodné pro těsnění stykové plochy uchycení výměníku a nádrže výměníku v tepelném výměníku motorového vozidla
US10527364B2 (en) * 2017-03-03 2020-01-07 Enterex America LLC Heat exchanger manifold with header groove reinforcement member

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE2502291A1 (de) * 1975-01-21 1976-07-29 Thermal Waerme Kaelte Klima Roehrenwaermetauscher, insbesondere fuer fluessigkeitsgekuehlte kraftfahrzeuge
JPS58224298A (ja) * 1982-06-21 1983-12-26 Nippon Denso Co Ltd 熱交換器
JPS5921994A (ja) * 1982-07-26 1984-02-04 Honda Motor Co Ltd ラジエ−タのプレ−トとタンクの接合方法
JPS59142392A (ja) * 1983-02-03 1984-08-15 Nippon Denso Co Ltd 熱交換器
EP0142930A2 (de) * 1983-10-24 1985-05-29 General Motors Corporation Kleben von EPDM-Dichtungen auf gefüllte Wärmeaustauscher-Teiler
FR2574177A1 (fr) * 1984-11-30 1986-06-06 Chausson Usines Sa Dispositif pour le maintien temporaire d'une boite a eau sur la plaque collectrice d'un echangeur de chaleur
FR2584488A1 (fr) * 1985-07-03 1987-01-09 Chausson Usines Sa Procede pour la liaison d'au moins une plaque collectrice et d'une boite a eau sur les tubes d'un echangeur de chaleur et echangeur de chaleur en faisant application.
DE4436027A1 (de) * 1994-10-08 1996-04-11 Behr Gmbh & Co Verfahren zum Herstellen einer dichten Verbindung

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Publication number Priority date Publication date Assignee Title
DE2502291A1 (de) * 1975-01-21 1976-07-29 Thermal Waerme Kaelte Klima Roehrenwaermetauscher, insbesondere fuer fluessigkeitsgekuehlte kraftfahrzeuge
JPS58224298A (ja) * 1982-06-21 1983-12-26 Nippon Denso Co Ltd 熱交換器
JPS5921994A (ja) * 1982-07-26 1984-02-04 Honda Motor Co Ltd ラジエ−タのプレ−トとタンクの接合方法
JPS59142392A (ja) * 1983-02-03 1984-08-15 Nippon Denso Co Ltd 熱交換器
EP0142930A2 (de) * 1983-10-24 1985-05-29 General Motors Corporation Kleben von EPDM-Dichtungen auf gefüllte Wärmeaustauscher-Teiler
FR2574177A1 (fr) * 1984-11-30 1986-06-06 Chausson Usines Sa Dispositif pour le maintien temporaire d'une boite a eau sur la plaque collectrice d'un echangeur de chaleur
FR2584488A1 (fr) * 1985-07-03 1987-01-09 Chausson Usines Sa Procede pour la liaison d'au moins une plaque collectrice et d'une boite a eau sur les tubes d'un echangeur de chaleur et echangeur de chaleur en faisant application.
DE4436027A1 (de) * 1994-10-08 1996-04-11 Behr Gmbh & Co Verfahren zum Herstellen einer dichten Verbindung

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PATENT ABSTRACTS OF JAPAN vol. 008, no. 112 (M - 298) 25 May 1984 (1984-05-25) *
PATENT ABSTRACTS OF JAPAN vol. 008, no. 270 (M - 344) 11 December 1984 (1984-12-11) *

Also Published As

Publication number Publication date
US6644385B2 (en) 2003-11-11
ATE254749T1 (de) 2003-12-15
US20020029874A1 (en) 2002-03-14
FR2805036B1 (fr) 2002-06-14
DE60101231D1 (de) 2003-12-24
DE60101231T2 (de) 2004-08-26
EP1124106B1 (de) 2003-11-19
FR2805036A1 (fr) 2001-08-17

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