EP1413845B1 - Condenseur pour véhicules - Google Patents

Condenseur pour véhicules Download PDF

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Publication number
EP1413845B1
EP1413845B1 EP02425644A EP02425644A EP1413845B1 EP 1413845 B1 EP1413845 B1 EP 1413845B1 EP 02425644 A EP02425644 A EP 02425644A EP 02425644 A EP02425644 A EP 02425644A EP 1413845 B1 EP1413845 B1 EP 1413845B1
Authority
EP
European Patent Office
Prior art keywords
fluid
distributor
inlet
outlet
pipe
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.)
Expired - Lifetime
Application number
EP02425644A
Other languages
German (de)
English (en)
Other versions
EP1413845A1 (fr
Inventor
Luigi Cristante
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.)
Denso Thermal Systems SpA
Original Assignee
Denso Thermal Systems SpA
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
Priority to ES02425644T priority Critical patent/ES2243686T3/es
Priority to PT02425644T priority patent/PT1413845E/pt
Priority to EP02425644A priority patent/EP1413845B1/fr
Priority to DE60205383T priority patent/DE60205383T2/de
Priority to AT02425644T priority patent/ATE301274T1/de
Application filed by Denso Thermal Systems SpA filed Critical Denso Thermal Systems SpA
Priority to ARP030103838A priority patent/AR041687A1/es
Priority to BR0304579-0A priority patent/BR0304579A/pt
Priority to CNA2003101043364A priority patent/CN1498788A/zh
Priority to PL363094A priority patent/PL201780B1/pl
Publication of EP1413845A1 publication Critical patent/EP1413845A1/fr
Application granted granted Critical
Publication of EP1413845B1 publication Critical patent/EP1413845B1/fr
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
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • 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
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0248—Arrangements for sealing connectors to header boxes
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits

Definitions

  • the present invention relates to a condenser for vehicles according to the preamble of the claim 1, which is known from JP04359796.
  • JP04359796 discloses a heat exchanger provided with an inlet/outlet connector for the heat-exchange fluid formed by an end of a tube inserted in an integral seat of a distributor. The end of the tube is fixed-to the distributor by means of a U-shaped clamp.
  • the purpose of the present invention is to provide a simpler and more economical system for making the inlet and outlet connectors for condensers for motor vehicles.
  • the above purpose is achieved by a condenser having the characteristics forming the subject of the claim 1.
  • the number 10 designates a condenser for vehicles comprising two distributors set parallel to one another 12 (just one of which is visible in the figures) on opposite sides of a heat-exchange core 14.
  • the condenser 10 comprises, in a conventional way, a plurality of pipes 16 with flat cross section and a plurality of fins made of undulated aluminium 18 set between each pair of pipes 16.
  • each of the two distributors 12 comprises a tank-shaped body 20 having a substantially U-shaped cross section.
  • the tank-shaped body 20 is preferably provided with an edge or rim folded back outwards 22 to form a plane resting surface, which extends along the entire perimeter of the tank-shaped body 20.
  • Each distributor 12 comprises a closing plate 24 fixed to the tank-shaped body 20 so as to close the opening of the body 20 in a fluid-tight way.
  • the fixing between the closing plate 24 and the tank-shaped body 20 is obtained by means of oven braze-welding along the surface of contact between the closing plate 24 and the folded-back perimetral edge or rim 22 of the tank-shaped body 20.
  • the tank-shaped body 20 is preferably obtained starting from a sheet of aluminium subjected to a process of plastic deformation, for example, by means of a drawing or pressing process.
  • a process of plastic deformation for example, by means of a drawing or pressing process.
  • two front end walls 26 for example, one of which is visible in Figure 2.
  • the closing plate 24 is also obtained starting from a plane sheet by means of operations of blanking and drawing.
  • the closing plate 24 there is formed at least one integral seat 28, which is designed to receive, with fluid-tight connection, an end portion 30 of a pipe for inlet or outlet of heat-exchange fluid.
  • the integral seat 28 is preferably formed by a folded-back collar, which is formed by means of drawing and defines a cylindrical fluid-tight wall 32.
  • the cylindrical wall 32 is subjected to an operation of lapping or polishing to obtain the conditions of surface roughness required for ensuring a sealed contact.
  • the end portion 30 of the inlet or outlet pipe carries one or more sealing elements 34.
  • the end portion 30 of the pipe has two annular ribs 36, which are obtained by means of upsetting and are located at an axial distance apart from one another.
  • Set between the two ribs 36 are two O-rings 34, which establish a fluid-tight contact with the cylindrical surface 32 of the seat 28.
  • the closing plate 24 is preferably provided with an integral flange 38 projecting towards the outside of the folded-back edge or rim 22 of the tank-shaped body 20 and situated in a position corresponding to the sealing seat 28.
  • the flange 38 is provided with a threaded hole 40 for engagement by a fixing screw 42.
  • the end portion 30 of the pipe for inlet or outlet of the fluid is connected to the distributor 12 by means of a fixing element 42 having a pair of parallel holes 44, 46.
  • the first hole 44 is engaged by the pipe for inlet/outlet of the fluid and the second hole 46 is engaged by a fixing screw 48, which engages in the threaded hole 40 of the flange 38.
  • the hole 44 of the fixing element 42 has a diameter smaller than the annular rib 36. The fixing element 42 consequently prevents the pipe from coming out of the seat 28.
  • the condenser according to the present invention does not require separate components for performing the function of inlet connector/outlet connector for the flow of heat-exchange fluid.
  • the seat 28 obtained by means of drawing of the closing plate 24 enables the connection of the end of the pipe to be obtained in a fluid-tight way without additional components.
  • the solution according to the present invention overcomes the need to produce a fixing connector by means of machine-tool operations to be fixed by means of welding to the distributor.
  • the solution according to the present invention thus enables a considerable reduction in the cost of production of the condenser to be obtained thanks to a reduction in the number of components and also to a reduction in the cost of the production plants.
  • the invention may form the subject of numerous variants, without thereby departing from the sphere of the invention, as this is defined in the ensuing claims.
  • seal element between the end of the pipe and the seat 28 a single O-ring could be used, or else a seal element with a rectangular cross section could be used.
  • the folded-back collar forming the integral seat 28 could face towards the outside of the distributor instead of towards the inside.

Claims (4)

  1. Condenseur pour véhicules, comprenant au moins un distributeur (12), un noyau d'échange thermique (14) comprenant une pluralité de tuyaux (16) disposés en communication de fluide avec ledit distributeur (12) et au moins un connecteur pour l'entrée ou la sortie du fluide d'échange thermique avec ledit distributeur (12), ledit connecteur étant conçu pour être raccordé à un tuyau pour l'entrée ou la sortie du fluide, le distributeur (12) comprend un siège (28) solidaire formé par déformation plastique d'une partie de paroi du distributeur qui forme un trou (32) comportant une paroi qui établit un contact étanche aux fluides avec une partie d'extrémité (30) dudit tuyau pour l'entrée ou la sortie du fluide,
       caractérisé en ce que ledit distributeur (12) comprend un corps (20) en forme de réservoir ayant une section transversale sensiblement en forme de U prévue avec un bord formant une surface d'appui plane, chaque distributeur (12) comprend une plaque de fermeture (24) fixée au corps (20) en forme de réservoir le long de ladite surface d'appui plane, ledit siège (28) solidaire est formé dans ladite plaque de fermeture (24) et possède une paroi cylindrique (32) conçue pour recevoir avec un raccordement étanche aux fluides, une partie d'extrémité (30) d'un tuyau pour l'entrée ou la sortie du fluide d'échange thermique, la plaque de fermeture (24) étant prévue avec un rebord (38) solidaire faisant saillie vers le bord externe (22) du corps (20) en forme de réservoir et prévue avec un trou fileté (40), la partie d'extrémité (30) du tuyau pour l'entrée ou la sortie du fluide étant raccordée au distributeur (12) au moyen d'un élément de fixation (42) doté d'une paire de trous (44, 46) parallèles, un premier trou (44) étant mis en prise par le tuyau pour l'entrée / sortie du fluide et le second trou (46) étant mis en prise par une vis de fixation (48), qui se met en prise dans le trou fileté (40) du rebord (38).
  2. Condenseur selon la revendication 1, caractérisé en ce que ladite partie d'extrémité (30) du tuyau pour l'entrée ou la sortie du fluide porte au moins un élément d'étanchéité annulaire (34), qui établit un contact d'étanchéité tangentiel avec ladite paroi cylindrique (32) dudit siège (28) solidaire.
  3. Condenseur selon la revendication 2, caractérisé en ce que ladite partie d'extrémité (30) du tuyau pour l'entrée ou la sortie du fluide comprend deux nervures annulaires axialement espacées l'une de l'autre, entre lesquelles on loge au moins un élément d'étanchéité (34).
  4. Condenseur selon la revendication 1, caractérisé en ce que ledit corps (20) en forme de réservoir possède une paire de parois avant d'extrémité (26) solidaires.
EP02425644A 2002-10-25 2002-10-25 Condenseur pour véhicules Expired - Lifetime EP1413845B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PT02425644T PT1413845E (pt) 2002-10-25 2002-10-25 Condensador para veiculos
EP02425644A EP1413845B1 (fr) 2002-10-25 2002-10-25 Condenseur pour véhicules
DE60205383T DE60205383T2 (de) 2002-10-25 2002-10-25 Kondensor für Kraftwagen
AT02425644T ATE301274T1 (de) 2002-10-25 2002-10-25 Kondensor für kraftwagen
ES02425644T ES2243686T3 (es) 2002-10-25 2002-10-25 Condensador para vehiculos.
ARP030103838A AR041687A1 (es) 2002-10-25 2003-10-22 Condensador para vehiculos
BR0304579-0A BR0304579A (pt) 2002-10-25 2003-10-24 Condensador para veìculos
CNA2003101043364A CN1498788A (zh) 2002-10-25 2003-10-24 用于车辆的冷凝器
PL363094A PL201780B1 (pl) 2002-10-25 2003-10-24 Skraplacz do pojazdów silnikowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02425644A EP1413845B1 (fr) 2002-10-25 2002-10-25 Condenseur pour véhicules

Publications (2)

Publication Number Publication Date
EP1413845A1 EP1413845A1 (fr) 2004-04-28
EP1413845B1 true EP1413845B1 (fr) 2005-08-03

Family

ID=32050163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425644A Expired - Lifetime EP1413845B1 (fr) 2002-10-25 2002-10-25 Condenseur pour véhicules

Country Status (9)

Country Link
EP (1) EP1413845B1 (fr)
CN (1) CN1498788A (fr)
AR (1) AR041687A1 (fr)
AT (1) ATE301274T1 (fr)
BR (1) BR0304579A (fr)
DE (1) DE60205383T2 (fr)
ES (1) ES2243686T3 (fr)
PL (1) PL201780B1 (fr)
PT (1) PT1413845E (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871739B1 (fr) * 2004-06-21 2006-09-15 Valeo Climatisation Sa Boitier a couvercle d'etancheite externe et de calage, pour une installation de chauffage, ventilation et/ou climatisation d'habitacle
DE102006033771A1 (de) 2006-07-21 2008-01-24 Modine Manufacturing Co., Racine Wärmetauscher
CN101589278B (zh) * 2006-10-13 2011-07-06 开利公司 带有多级膨胀装置的多通道换热器
DE102007013520B4 (de) * 2007-03-21 2011-05-05 Rittal Gmbh & Co. Kg Anordnung zum Führen von Kühlmittel für einen Schaltschrank oder ein Rack Schaltschrank oder Rack damit und Anreihanordnung mit mindestens zwei solchen Schaltschränken oder Racks
FR2927411B1 (fr) * 2008-02-13 2013-03-29 Valeo Systemes Thermiques Moyens d'etancheite pour une boite collectrice d'echangeur de chaleur
DE202011051713U1 (de) * 2011-10-21 2013-01-23 Autokühler GmbH & Co KG Sammelkastenprofil
EP2960609B1 (fr) * 2014-06-26 2022-10-05 Valeo Autosystemy SP. Z.O.O. Collecteur, en particulier pour une utilisation dans un système de refroidissement d'un refroidisseur
CN105423803A (zh) * 2016-01-12 2016-03-23 扬州英谛车材实业有限公司 扁管加凸包不扩口炉焊式水箱
JP6358381B2 (ja) * 2016-10-13 2018-07-18 ダイキン工業株式会社 熱交換器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63127090A (ja) * 1986-11-18 1988-05-30 Toyo Radiator Kk タンクとパイプの接合方法
JP2946840B2 (ja) * 1991-06-04 1999-09-06 株式会社デンソー 熱交換器
US5467818A (en) * 1993-03-24 1995-11-21 Valeo Climate Control Corporation Heat exchanger
US5664432A (en) * 1993-03-24 1997-09-09 Tripac International, Inc. Vehicle air conditioning condenser
FR2722870B1 (fr) * 1994-07-19 1996-09-06 Valeo Thermique Moteur Sa Dispositif de raccordement des tubulures d'entree et de sortie d'un echangeur de chaleur
JPH11311494A (ja) * 1998-04-29 1999-11-09 Toyo Radiator Co Ltd 熱交換器用タンクのパイプ接合方法
JP2000130985A (ja) * 1998-10-29 2000-05-12 Toyo Radiator Co Ltd ラジエータのパイプ構造

Also Published As

Publication number Publication date
DE60205383T2 (de) 2006-04-13
ES2243686T3 (es) 2005-12-01
ATE301274T1 (de) 2005-08-15
PL201780B1 (pl) 2009-05-29
CN1498788A (zh) 2004-05-26
AR041687A1 (es) 2005-05-26
EP1413845A1 (fr) 2004-04-28
BR0304579A (pt) 2004-08-31
DE60205383D1 (de) 2005-09-08
PL363094A1 (en) 2004-05-04
PT1413845E (pt) 2005-10-31

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