EP0624772A1 - Wärmetauscher für Kraftfahrzeug - Google Patents

Wärmetauscher für Kraftfahrzeug Download PDF

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Publication number
EP0624772A1
EP0624772A1 EP94107180A EP94107180A EP0624772A1 EP 0624772 A1 EP0624772 A1 EP 0624772A1 EP 94107180 A EP94107180 A EP 94107180A EP 94107180 A EP94107180 A EP 94107180A EP 0624772 A1 EP0624772 A1 EP 0624772A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
manifold
tubes
exchanger according
tube
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
EP94107180A
Other languages
English (en)
French (fr)
Other versions
EP0624772B1 (de
Inventor
Michel Potier
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 EP0624772A1 publication Critical patent/EP0624772A1/de
Application granted granted Critical
Publication of EP0624772B1 publication Critical patent/EP0624772B1/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
    • F28F9/04—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
    • F28F9/165—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using additional preformed parts, e.g. sleeves, 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
    • 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
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/32—Safety or protection arrangements; Arrangements for preventing malfunction for limiting movements, e.g. stops, locking means
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/454—Heat exchange having side-by-side conduits structure or conduit section
    • Y10S165/471—Plural parallel conduits joined by manifold
    • Y10S165/477—Elastic seal element between conduit ends and receiving holes in header plate
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/906—Reinforcement

Definitions

  • the invention relates to a heat exchanger, in particular for a motor vehicle.
  • a heat exchanger of the type comprising a collecting plate provided with substantially circular holes as well as a bundle of tubes provided with fins, in which each tube has an end of suitable shape, received in sealing in a hole in the collector plate.
  • substantially circular is meant to specify that the holes in the collector plate and the sections of the ends of the tubes have a circular shape or else a shape which may be an oval or elliptical shape determined by a major axis and a minor axis of symmetry.
  • the seal between each end of the tubes and the collector plate is most often provided by an elastomer seal comprising compressible collars, each of which is compressed between the end of the tube and a collar bordering the corresponding hole in the collector plate.
  • each end of the tube can be provided with a flaring obtained by deformation of the wall of the tube, this deformation having the function of ensuring the retention of the collector plate on the bundle of finned tubes. and to contribute to the seal between the tube and the collector plate.
  • a fluid collecting box is able to be attached to one of the ends of the bundle of finned tubes thus formed and more particularly to the collecting plate so as to form a heat exchanger.
  • This phenomenon results in a loss of sealing between the end of the tubes concerned and the holes and, in extreme cases, a deterioration of the seal provided between the end of the tube and the hole.
  • the present invention proposes to remedy the aforementioned drawbacks.
  • a heat exchanger in particular for a motor vehicle, comprising a bundle of tubes provided with fins in which the ends of the tubes are sealingly mounted in the holes of a manifold plate on which is mounted a manifold is characterized in that abutment means are provided between the manifold and at least one end of the tubes by resting on said end.
  • the displacement of the whole of the tube concerned is limited or even prevented by the stop means.
  • the stop means consist of a finger from the manifold.
  • the abutment means consist of a rib coming from the manifold box.
  • the stop means come from the top wall of the manifold.
  • the stop means come from at least one side wall of the manifold.
  • the means of abutment rest on the free edge of the tube end.
  • the stop means have a flat surface in contact with the end of the tube.
  • FIGS. 1 and 2 show a heat exchanger consisting of a bundle 2 formed of a multiplicity of tubes 4 of respective parallel axes XX being arranged in two parallel rows R1, R2.
  • the tubes pass through a multiplicity of fins 6 extending, here, perpendicularly to the axes XX of the tubes.
  • the ends 8 of the tubes 4 are able to be received with sealing in a collecting plate 10 which comprises a core 12 of generally rectangular shape, through which are formed, in correspondence of the ends 8 of the tubes 4, a multiplicity of holes 14 of shape corresponding to the shape of the ends 8 and of which each is bordered by a collar 16 extending from the directions of the fins 6.
  • the collector plate 10 has a peripheral rim 18 delimiting a peripheral groove 20 and forming a multiplicity of folding legs 22.
  • a compressible seal 24 On the face of the collector plate opposite the fins 6 is disposed a compressible seal 24, preferably made of an elastomeric material.
  • This seal comprises a core 26 applied against the core 12 of the collector plate and provided with compressible collars 28 capable of being compressed between a collar 16 of the collector plate 10 and the end 8 of the tube 4 by any suitable means, such as that a forced assembly of the end 8 in the collars 28 or by flaring said ends as is known per se.
  • the core 26 of the seal 24 is provided with a flange 30 received in the groove 20 and intended to be compressed by a peripheral edge 32 of a manifold 34.
  • the seal between the collector box 34 and the collector plate 10 is ensured by compression of the flange 30 after the tabs 22 that the collector plate has folded down.
  • the manifold 34 has a bowl shape, the open edge of which corresponds substantially to the arrangement of the peripheral edge 32 and has a bottom wall 36 opposite the open edge while being disposed substantially parallel to the manifold plate 10, this bottom wall coming from join the peripheral edge 32 by longitudinal side walls 38 and transverse side walls 40.
  • the manifold 34 further carries stop means 42 making it possible to limit, or even prohibit, the movement of the end 8 of the tubes 4 in the holes 14 of the manifold plate 10 and more particularly at the collars 28 of the joint. sealing 24, these abutment means being arranged in the vicinity of at least one end of the tube.
  • the abutment means consists of a finger 44 originating inside the manifold 34 and, more particularly in the case of this figure, from the internal face of the bottom wall 36 in order to reach the end edge 46 of the end 8 of the tube concerned, edge considered to be substantially perpendicular to the axis XX of the tube while being disposed at a distance from the bottom wall 36 of the manifold 34.
  • the free end 48 of the finger 44 which has a flat surface substantially parallel to the terminal edge 46, is supported on a localized region of the edge 46 so as not to hinder the circulation of the fluid in this tube, this finger being located in the vicinity of the end 8 but eccentrically with respect to the axis XX of the tube 4 while having most of its body outside the perimeter delimited by the edge 46.
  • the finger 44 can be replaced by a rib 50 coming from the longitudinal side wall 38 of the fluid box and coming to bear by its free edge 48 on a localized region of the edge 46 from the end 8 of the tubes 4, this rib extending in whole or in part along this side wall while being substantially parallel to the axis XX of the tube concerned and having a part terminal 52, opposite the wall 38, located at a distance from the axis XX of the tube 4.
  • the rib 50 can also come from the transverse lateral wall 40 of the manifold 34 and bear on a localized region of the edge 46 of the end 8 of the tube 4 relates.
  • a rib 50 can be provided associated with a tube 4 of each row R1, R2 of the bundle of finned tubes.
  • these abutment means constituted either by a finger or by a rib, disposed in the vicinity of the tubes concerned, these cannot be subjected to axial displacement along their axis XX and therefore will guarantee perfect sealing between the ends of these tubes and the header plate.
  • FIGS. 3 and 4 show an alternative embodiment of the invention and which, for this, will include the same references.
  • a finger 44 comes from the bottom wall 36 of the manifold 34 being located between two adjacent tubes 4 located in two rows R1, R2.
  • This finger as visible in FIG. 4, has a section of parallelepiped shape so that, at its free end 48, the short sides of the finger come to bear on the edges 46 of the ends 8 of two adjacent tubes .
  • This finger 44 can be connected to the transverse side wall 40 of the manifold by a veil 54 originating along a longitudinal edge of this finger to end at said transverse side wall.
  • a stop means is formed for two adjacent tubes.
  • the end 8 of the tubes 4 is mounted in sealing in the collecting plate 10 by deformation of this end, deformation obtained during a so-called flaring operation.
  • This flaring operation consists in increasing the section of the body 56 of the tube 4 at its junction with the collecting plate 10 so as to compress the collar 28 disposed between the outer wall of this end and the collar 16 of the collector plate, forming a first flare 58.
  • the seal is ensured between the end 8 of the tube 4 and the collector plate 10 and the tube 4 has a radial shoulder 60 located between the body 56 of the tube and the first vent 58.
  • This second flare 62 has the result of creating a second shoulder 64 disposed at a distance from the first shoulder 60 of the first flare 58 and being located between the first flare and the second flare.
  • the abutment means 42 are supported on the end 8 of the tube 4 coming into contact on a shoulder, either the shoulder 60 of the first flare 58, or the shoulder 64 of the second flare 62.
  • a finger 44 is provided from the bottom wall 36 of the manifold and the free end 48 of the finger penetrates either into the first flare 58 or into the second flare 62 by resting on said end. free on the affected shoulder.
  • the free end 48 of the finger 44 is supported on the second shoulder 64 of the second flaring 62 and has, in section, as can be seen in FIG. 6, a shape in which a substantially rectangular body 66 carries at each end a guide portion 68 of greater transverse thickness.
  • These guide portions comprise an outer cylindrical surface portion 70 whose diameter corresponds substantially to the diameter of the flare considered, here the flare 62, and two vertical walls 72 coming to join the body 66 of the finger 44.
  • the distance A considered between the portions of the cylindrical surfaces 70 corresponds substantially to the diameter of the portions of the end concerned by this flaring, here the flaring 62 and two vertical walls 72 coming to join the body 66 of the finger 44.
  • the distance A of the cylindrical surface portions corresponds substantially to the small dimension of the oval of the flare and the end free 48 carries an inclination bearing surface 74 corresponding to the inclination of the shoulder on which it presses and the thickness B of the body 66 is small enough to interfere as little as possible with the circulation of the fluid in the tube in question.
  • stop means for a tube and / or for two adjacent tubes of two different rows, and it can be envisaged to use these stop means for several tubes each comprising a stop means separate and / or for two adjacent tubes belonging to the same row of tubes.

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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)
EP94107180A 1993-05-11 1994-05-07 Wärmetauscher für Kraftfahrzeug Expired - Lifetime EP0624772B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9305650A FR2705143B1 (fr) 1993-05-11 1993-05-11 Echangeur de chaleur notamment pour vehicule automobile.
FR9305650 1993-05-11

Publications (2)

Publication Number Publication Date
EP0624772A1 true EP0624772A1 (de) 1994-11-17
EP0624772B1 EP0624772B1 (de) 2000-08-30

Family

ID=9447008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94107180A Expired - Lifetime EP0624772B1 (de) 1993-05-11 1994-05-07 Wärmetauscher für Kraftfahrzeug

Country Status (5)

Country Link
US (1) US5535821A (de)
EP (1) EP0624772B1 (de)
BR (1) BR9401945A (de)
DE (1) DE69425688T2 (de)
FR (1) FR2705143B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901784A (en) * 1995-11-02 1999-05-11 Valeo Thermique Moteur Heat exchanger with oval or oblong tubes, and a method of assembly of such a heat exchanger
FR2782157A1 (fr) * 1998-08-10 2000-02-11 Behr Gmbh & Co Echangeur de chaleur et procede pour sa fabrication
FR3037643A1 (fr) * 2015-06-22 2016-12-23 Valeo Systemes Thermiques Echangeur de chaleur et procede de fabrication associe
WO2019229369A1 (fr) * 2018-05-31 2019-12-05 Valeo Systemes Thermiques Boite collectrice et échangeur thermique correspondant
FR3109210A1 (fr) * 2020-04-14 2021-10-15 Valeo Systemes Thermiques Echangeur de chaleur, notamment pour vehicule automobile

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719259B4 (de) * 1997-05-07 2005-08-18 Valeo Klimatechnik Gmbh & Co. Kg Flachrohrwärmetauscher für Kraftfahrzeuge mit an Krägen eines Rohrbodens gehaltenen Flachrohren
US6082446A (en) * 1998-04-20 2000-07-04 Ahaus Tool And Engineering, Inc. Sealing method and apparatus for a heat exchanger
DE10103570A1 (de) 2001-01-26 2002-08-01 Modine Mfg Co Wärmetauscher und Herstellungsverfahren
DE10132617A1 (de) * 2001-07-05 2003-01-16 Modine Mfg Co Wärmeaustauscher
DE10237648A1 (de) * 2002-08-13 2004-02-26 Behr Gmbh & Co. Wärmeübertrager
DE10316755A1 (de) * 2003-04-10 2004-10-28 Behr Gmbh & Co. Kg Sammelkasten und Wärmeübertrager
DE10316754A1 (de) * 2003-04-10 2004-10-28 Behr Gmbh & Co. Kg Sammelkasten, Wärmeübertrager und Verfahren zur Herstellung eines Sammelkastens
DE10322211A1 (de) * 2003-05-16 2004-12-02 Modine Manufacturing Co., Racine Wärmetauscherblock
US7461689B2 (en) * 2004-06-01 2008-12-09 Modine Manufacturing Company Thermal cycling resistant tube to header joint for heat exchangers
US7156401B2 (en) * 2004-09-17 2007-01-02 Modine Manufacturing Company Elastomeric gasket in gasket well of heat exchanger
FR2951259B1 (fr) 2009-10-08 2014-02-28 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant
AU2011201083B2 (en) * 2010-03-18 2013-12-05 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US10030918B2 (en) * 2014-10-09 2018-07-24 Enterex America LLC Radiator tank fastening system
US10969176B2 (en) * 2018-12-10 2021-04-06 Denso International America, Inc. Heat exchanger

Citations (3)

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US5062476A (en) * 1991-02-28 1991-11-05 General Motors Corporation Heat exchanger with an extruded tank
US5168925A (en) * 1990-11-30 1992-12-08 Aisin Seiki Kabushiki Kaisha Heat exchanger
EP0567397A1 (de) * 1992-04-21 1993-10-27 Valeo Thermique Moteur Wärmetauscher mit Rippenröhrenbündel und Endkammer

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CH435627A (de) * 1966-03-30 1967-05-15 Zehnder Ag Geb Verfahren zur Herstellung eines Zentralheizungsradiators
FR2269054A1 (en) * 1974-04-24 1975-11-21 Sueddeutsche Kuehler Behr Vehicle radiator with turbulence promoting coils - has seal under cover or interior of cover holding strips in tubes
GB2048451B (en) * 1979-04-21 1983-01-26 Imi Marston Radiators Ltd Tubular heat exchangers
DE3936918C2 (de) * 1989-05-24 1994-02-10 Piemontese Radiatori Wärmetauscher, insbesondere für eine Kraftfahrzeugheizung, mit Elementen zum Erzeugen von Turbulenzen in der Strömung eines Wärmetauschers
US5107926A (en) * 1990-04-03 1992-04-28 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US4971145A (en) * 1990-04-09 1990-11-20 General Motors Corporation Heat exchanger header
JP2801373B2 (ja) * 1990-07-02 1998-09-21 サンデン株式会社 熱交換器
FR2676274A1 (fr) * 1991-05-10 1992-11-13 Valeo Thermique Moteur Sa Boite a fluide pour echangeur de chaleur, et procede pour sa realisation.
FR2690235A1 (fr) * 1992-04-16 1993-10-22 Valeo Thermique Moteur Sa Paroi tubulaire de boîte à fluide et procédé pour la fabrication d'un échangeur de chaleur par enfoncement de tubes de circulation.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168925A (en) * 1990-11-30 1992-12-08 Aisin Seiki Kabushiki Kaisha Heat exchanger
US5062476A (en) * 1991-02-28 1991-11-05 General Motors Corporation Heat exchanger with an extruded tank
EP0567397A1 (de) * 1992-04-21 1993-10-27 Valeo Thermique Moteur Wärmetauscher mit Rippenröhrenbündel und Endkammer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901784A (en) * 1995-11-02 1999-05-11 Valeo Thermique Moteur Heat exchanger with oval or oblong tubes, and a method of assembly of such a heat exchanger
US6044554A (en) * 1995-11-02 2000-04-04 Valeo Thermique Moteur Method of assembly of a heat exchanger with oval or oblong tubes
FR2782157A1 (fr) * 1998-08-10 2000-02-11 Behr Gmbh & Co Echangeur de chaleur et procede pour sa fabrication
FR3037643A1 (fr) * 2015-06-22 2016-12-23 Valeo Systemes Thermiques Echangeur de chaleur et procede de fabrication associe
WO2016207177A1 (fr) * 2015-06-22 2016-12-29 Valeo Systemes Thermiques Echangeur de chaleur et procédé de fabrication associé
WO2019229369A1 (fr) * 2018-05-31 2019-12-05 Valeo Systemes Thermiques Boite collectrice et échangeur thermique correspondant
FR3081984A1 (fr) * 2018-05-31 2019-12-06 Valeo Systemes Thermiques Boite collectrice et echangeur thermique correspondant
US11788804B2 (en) 2018-05-31 2023-10-17 Valeo Systemes Thermiques Header tank and corresponding heat exchanger
FR3109210A1 (fr) * 2020-04-14 2021-10-15 Valeo Systemes Thermiques Echangeur de chaleur, notamment pour vehicule automobile

Also Published As

Publication number Publication date
BR9401945A (pt) 1994-12-13
EP0624772B1 (de) 2000-08-30
DE69425688D1 (de) 2000-10-05
DE69425688T2 (de) 2001-04-19
FR2705143B1 (fr) 1995-06-23
FR2705143A1 (fr) 1994-11-18
US5535821A (en) 1996-07-16

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