EP1128149A1 - Heat exchange module, more particularly for automotive vehicle - Google Patents

Heat exchange module, more particularly for automotive vehicle Download PDF

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Publication number
EP1128149A1
EP1128149A1 EP01104627A EP01104627A EP1128149A1 EP 1128149 A1 EP1128149 A1 EP 1128149A1 EP 01104627 A EP01104627 A EP 01104627A EP 01104627 A EP01104627 A EP 01104627A EP 1128149 A1 EP1128149 A1 EP 1128149A1
Authority
EP
European Patent Office
Prior art keywords
exchanger
fins
heat exchange
exchange module
main
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
EP01104627A
Other languages
German (de)
French (fr)
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EP1128149B1 (en
Inventor
Carlos Martins
Gérard Gille
Stéphane Avequin
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.)
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Publication date
Application filed by Valeo Thermique Moteur SA filed Critical Valeo Thermique Moteur SA
Publication of EP1128149A1 publication Critical patent/EP1128149A1/en
Application granted granted Critical
Publication of EP1128149B1 publication Critical patent/EP1128149B1/en
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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • 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
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • 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
    • F28F2009/004—Common frame elements for multiple cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/02—Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/12—Fins with U-shaped slots for laterally inserting conduits

Definitions

  • the invention relates to a heat exchange module, and more particularly such a module comprising an exchanger main and at least one secondary exchanger comprising each a generally planar body provided with circulation tubes of fluid, and further comprising fins cooling, the secondary exchanger being fixed on the main exchanger so that the same air flow can pass through the respective bodies of said exchangers.
  • Such exchangers are generally in the form a body provided with fluid circulation tubes and fins heat exchange with the outside environment. This body is connected to at least one manifold which distributes the fluid in the circulation tubes.
  • This secondary exchanger is usually consisting of an air cooler engine supercharging, air conditioning condenser or an oil cooler.
  • the assembly of the secondary exchanger (s) on the exchanger principal is usually obtained through lugs integral with the secondary exchanger and screws introduced into the exchanger manifolds main. Assembly systems have also been proposed by fitting or snapping on the manifolds.
  • the connecting members between the exchangers main and secondary occupy a certain volume which harms the compactness of the module.
  • these liaison bodies have a certain transverse dimensions and therefore do not allow have the same exchange surface for exchangers main and secondary.
  • the present invention aims to overcome these drawbacks.
  • the invention aims to provide a heat exchange module, the production of which, and in particular assembly operations, as simple as possible.
  • the invention also aims to provide such a module heat exchange which, as far as possible, does not no assembly parts between the exchangers main and secondary.
  • the invention further aims to provide a method of making a heat exchange module that does not require any operation assembly or, when this is not possible, by with a minimum.
  • the invention also aims to provide such a module heat exchange thinner than those of art prior.
  • the invention also aims to provide a module heat exchange with exchange characteristics thermal improvements.
  • the invention firstly relates to a module heat exchange, comprising a main exchanger and at at least one secondary exchanger each comprising a body generally planar provided with fluid circulation tubes, and further comprising cooling fins, the exchanger secondary being fixed on the main exchanger so that the same air flow can pass through the respective bodies said exchangers.
  • the module includes a set fins common to the main exchanger and to at least one secondary exchanger, said fins being mounted on the fluid circulation tubes of the main exchanger and projecting from this exchanger substantially perpendicularly in the plane of the latter, the parts of the fins protruding from the main exchanger with cutouts for receiving the exchanger fluid circulation tubes secondary, and blocking means being provided for block the secondary exchanger in the position where its tubes fluid circulation are engaged in said cutouts.
  • the exchangers are therefore assembled by their body, by through their fluid circulation tubes and the common set of cooling fins.
  • the module may also have dimensions less important. Indeed, no assembly member overflows on the cross section of the exchangers. In addition, bodies can be as close together as desired.
  • the fins of cooling protrude from the main exchanger of a side of the latter to assemble a secondary exchanger and the main exchanger.
  • cooling fins protrude from the main exchanger of the two sides of the latter to assemble two secondary exchangers and the main exchanger.
  • the cutouts of the fins are open in direction of the secondary exchanger.
  • locking means intends to generally include mechanical means suitable for immobilizing the secondary exchanger (s) relative to the main exchanger.
  • the means of locking include a forced assembly of the tubes the secondary exchanger in the cutouts of the fins.
  • the blocking means include cooperation means of form.
  • These blocking means may include notches aligned formed in one of the sides, perpendicular to the plans of the exchangers, of the projecting part of the fins and a blocking member from the secondary and clean exchanger to engage in the said notches.
  • the blocking member comprises at least one recess provided on at least one cheek of the secondary exchanger.
  • the blocking member includes at least one tab from at least one side of a manifold of the secondary exchanger.
  • the locking means may also include notches aligned formed in one of the sides, perpendicular to the plans of the exchangers, of the projecting part of the fins and an added locking member capable of engaging in the say notches.
  • this blocking member reported is a strip provided with a rib arranged for engage in said notches, and locking means are provided to secure the locking member to the secondary exchanger.
  • the locking means comprise crimping lugs integral with a cheek mounted on the secondary exchanger for crimping the locking member on the secondary exchanger.
  • the locking means may include at least one U-shaped cross section which has two clean opposite edges coming to bear on two faces opposite fins and which has a leg specific to engage in a notch provided in a manifold of the secondary exchanger.
  • the invention also relates to a method of making a heat exchange module comprising an exchanger main and at least one secondary exchanger comprising each a body provided with fluid circulation tubes, and further comprising cooling fins, and in which the secondary exchanger is fixed on the exchanger main so that the same air flow can pass through respective bodies of said exchangers.
  • the method comprises the steps consisting in making the main exchanger with fins projecting from this exchanger substantially perpendicularly in the plane of the latter, the parts of the fins projecting comprising cutouts for receiving the tubes of fluid circulation of the secondary exchanger, carry out the secondary exchanger without cooling fins, position the secondary exchanger by engaging its tubes circulation of fluid in said cutouts, and blocking the secondary exchanger in this position.
  • the heat exchange module of Figure 1 is composed a vehicle engine cooling radiator 1 automobile and an air conditioning condenser 2, these two exchangers are generally planar.
  • the radiator 1 consists in a known manner of a body 3 made from a bundle of vertical circulation tubes of fluid and mounted between two manifolds 4 and 5, the manifolds being arranged along two parallel sides of the body and fitted with 6 inlet pipes and coolant outlet.
  • the condenser 2 also consists of a body 7 produced from a bundle of vertical circulation tubes from fluid and mounted between two manifolds 8 and 9, the manifolds being arranged along two sides parallel to the body and provided with inlet pipes 10 and refrigerant outlet.
  • heat exchangers 1 and 2 are assembled by their bodies 3 and 7 respectively, via fins 11 common to the two exchangers.
  • the extensions 12 include cutouts 13 open in direction of the exchanger 2. These cuts have a shape corresponding to the cross section of the tubes 23 of exchanger 2, which are here flat tubes, and the same pitch as these tubes, so as to receive these tubes (Figure 3).
  • the tubes 23 of the secondary exchanger 12 are forcibly assembled in the cuts 13 of the fins. This ensures friction blocking between the walls of the tubes 23 and the edges of the cutouts 13.
  • the exchanger 2 also comprises two side cheeks 15 along its sides perpendicular to the manifolds 8 and 9 ( Figure 2). These cheeks can if necessary take force support against the sides of the fins to contribute maintaining the secondary exchanger.
  • each extension 12 of the fins comprises by elsewhere a notch 14 formed in each of its sides perpendicular to the planes of the exchangers ( Figure 5).
  • the notches 14 are aligned so as to form in the block two opposite vertical grooves.
  • the secondary exchanger 2 has two side cheeks 15 similar to those of the embodiment of Figures 1 to 3. However, at least one of the cheeks 15 includes recesses 24, here three in number (FIG. 4), which are directed towards the fins and intended to engage by shape cooperation in the notch 14. Thus the blocking is provided here by a member from the secondary exchanger.
  • the module is assembled by pressing the heat exchanger 2 against the exchanger 1 ( Figures 5 and 6) so as to engage the tubes 23 of the exchanger 2 in the cutouts 13 of the 12 extensions of the fins. Then the recesses 24, which are preferably pre-cut, are deformed in the direction notch 14 for locking.
  • the heat exchange module in Figures 7 and 8 is similar to that of FIGS. 4 to 6 and the blocking of the secondary exchanger 2 relative to the main exchanger 1 takes place also by means of form cooperation.
  • the extension 12 of the fins here comprises two notches 14, analogous to those of the embodiment of the figures 4 to 6, so as to form in the fin block two opposite vertical grooves.
  • the exchanger 2 comprises a blocking member which is formed at least one tab 25 from at least one side of a box manifold 8 of the heat exchanger 2.
  • the two manifolds 8 and 9 of the exchanger 2 are provided each of two legs 25 which provides four legs in all.
  • the module is assembled by pressing the heat exchanger 2 against the exchanger 1 ( Figures 7 and 8) so as to engage the tubes 23 of the exchanger 2 in the cutouts 13 of the 12 extensions of the fins. Then each leg 25 is folded so as to engage in a notch 14 for ensure blocking.
  • the heat exchange module in Figures 9 to 13 is similar to that of FIGS. 4 to 6 and to that of FIGS. 7 and 8, in this sense that blocking of the secondary exchanger 2 by compared to the main exchanger 1 is also carried out by means of form cooperation.
  • the extension 12 of the fins also has two notches 14 (Figure 11) similar to those described above.
  • the cheeks 15 of the exchanger 2 each have two flanges 16 projecting towards the outside of the exchanger, these flanges 16 being themselves extended by crimping lugs 17 ( Figures 11 to 13).
  • a blocking strip 18, consisting for example of a section of plastic profile is also provided to cooperate with each of the cheeks 15.
  • This strip is a locking device that is attached, not from the heat exchanger 2.
  • Each strip has a section which is substantially T-shaped. It includes a body 19 of a width substantially equal to the distance between the two edges 16, and a thickness substantially equal to the height ledges 16.
  • the dimensions of the strip 18 are such that it can engage between the flanges 16 with the rib 20 in the notches 14.
  • the cheeks 15 have a slot 21 allowing the passage of the rib 20.
  • Heat exchanger 2 is first pressed against heat exchanger 1 in engaging the tubes 23 of the exchanger 2 in the cutouts 13 extensions 12 of the fins. In this position, the slot 21 is located opposite the notches 14 ( Figure 12).
  • the strip 18 is then placed between the flanges 16 and in the slot 21 and the notches 14.
  • These blocking means comprise at least one cross 26 to U-shaped cross section with core 27 generally planar between two opposite edges 28. These edges are clean enough to bear against two opposite faces 29 and 30 of the fins which respectively constitute the two main faces of the module.
  • the module includes two crosspieces 26.
  • Each cross member here has two legs 31 and 32, specific to each engage a notch 33, respectively 34, provided in the manifold 8, respectively 9, of the exchanger secondary.
  • the invention is not limited to the embodiments described above and extends to other variants. So although only one secondary exchanger is provided here, it however, it would be possible to provide a second one adopting the same arrangement as described above on the side opposite that of exchanger 2. It would suffice for this to extend the fins 11 on the other side of the heat exchanger plane 1.
  • the heat exchanger bundle 1 can be produced from any type of tube, flat or circular section. he can also be one or more layers.

Abstract

A heat-exchange module has a main exchanger and at least one secondary exchanger, each having a body with fluid-circulation tubes, and cooling fins, the secondary exchanger being fixed onto the main exchanger. The module includes a set of fins common to the main exchanger and to at least one secondary exchanger, these fins being mounted on the tubes of the main exchanger and projecting from this exchanger, the projecting parts of the fins including cut-outs for accommodating the tubes of the secondary exchanger. Fastenings secure the secondary exchanger in the position in which its tubes are engaged in the cut-outs.

Description

L'invention concerne un module d'échange de chaleur, et plus particulièrement un tel module comprenant un échangeur principal et au moins un échangeur secondaire comportant chacun un corps généralement plan muni de tubes de circulation de fluide, et comprenant en outre des ailettes de refroidissement, l'échangeur secondaire étant fixé sur l'échangeur principal de sorte qu'un même flux d'air puisse traverser les corps respectifs desdits échangeurs.The invention relates to a heat exchange module, and more particularly such a module comprising an exchanger main and at least one secondary exchanger comprising each a generally planar body provided with circulation tubes of fluid, and further comprising fins cooling, the secondary exchanger being fixed on the main exchanger so that the same air flow can pass through the respective bodies of said exchangers.

De tels échangeurs se présentent généralement sous la forme d'un corps muni de tubes de circulation de fluide et d'ailettes d'échange de chaleur avec le milieu extérieur. Ce corps est relié à au moins une boíte collectrice qui distribue le fluide dans les tubes de circulation.Such exchangers are generally in the form a body provided with fluid circulation tubes and fins heat exchange with the outside environment. This body is connected to at least one manifold which distributes the fluid in the circulation tubes.

Il est connu d'assembler sur un échangeur principal, tel qu'un radiateur de refroidissement d'un moteur de véhicule automobile, un ou plusieurs échangeurs secondaires afin de constituer un ensemble, appelé encore module, prêt à être installé dans le véhicule. Cet échangeur secondaire est constitué le plus souvent d'un refroidisseur d'air de suralimentation du moteur, d'un condenseur de climatisation ou d'un radiateur d'huile.It is known to assemble on a main exchanger, such than a vehicle engine cooling radiator automobile, one or more secondary exchangers in order to constitute a set, also called module, ready to be installed in the vehicle. This secondary exchanger is usually consisting of an air cooler engine supercharging, air conditioning condenser or an oil cooler.

L'assemblage du ou des échangeurs secondaires sur l'échangeur principal est obtenu généralement par l'intermédiaire de pattes solidaires de l'échangeur secondaire et de vis introduites dans les boítes collectrices de l'échangeur principal. On a également proposé des systèmes d'assemblage par emboítement ou encliquetage des boítes collectrices.The assembly of the secondary exchanger (s) on the exchanger principal is usually obtained through lugs integral with the secondary exchanger and screws introduced into the exchanger manifolds main. Assembly systems have also been proposed by fitting or snapping on the manifolds.

Ces assemblages connus d'échangeurs primaires et secondaires présentent l'inconvénient de nécessiter des opérations coûteuses en temps et en outillage. These known assemblies of primary and secondary exchangers have the disadvantage of requiring operations costly in time and tools.

D'autre part, les organes de liaison entre les échangeurs principaux et secondaires occupent un certain volume qui nuit à la compacité du module.On the other hand, the connecting members between the exchangers main and secondary occupy a certain volume which harms the compactness of the module.

En outre, ces organes de liaison présentent un certain encombrement transversal et ne permettent donc pas de disposer de la même surface d'échange pour les échangeurs principaux et secondaires.In addition, these liaison bodies have a certain transverse dimensions and therefore do not allow have the same exchange surface for exchangers main and secondary.

La présente invention vise à pallier ces inconvénients.The present invention aims to overcome these drawbacks.

Plus particulièrement, l'invention a pour but de fournir un module d'échange de chaleur dont la réalisation, et notamment les opérations de montage, soit le plus simple possible.More particularly, the invention aims to provide a heat exchange module, the production of which, and in particular assembly operations, as simple as possible.

L'invention a également pour but de fournir un tel module d'échange de chaleur qui, dans la mesure du possible, ne comporte pas de pièces d'assemblage entre les échangeurs principaux et secondaires.The invention also aims to provide such a module heat exchange which, as far as possible, does not no assembly parts between the exchangers main and secondary.

L'invention vise en outre à fournir un procédé de réalisation d'un module d'échange de chaleur ne nécessitant pas d'opération d'assemblage ou, lorsque cela est impossible, en comportant un minimum.The invention further aims to provide a method of making a heat exchange module that does not require any operation assembly or, when this is not possible, by with a minimum.

L'invention a également pour but de fournir un tel module d'échange de chaleur de moindre épaisseur que ceux de l'art antérieur.The invention also aims to provide such a module heat exchange thinner than those of art prior.

L'invention a également pour but de fournir un module d'échange de chaleur présentant des caractéristiques d'échange thermique améliorées.The invention also aims to provide a module heat exchange with exchange characteristics thermal improvements.

A cet effet, l'invention a tout d'abord pour objet un module d'échange de chaleur, comprenant un échangeur principal et au moins un échangeur secondaire comportant chacun un corps généralement plan muni de tubes de circulation de fluide, et comprenant en outre des ailettes de refroidissement, l'échangeur secondaire étant fixé sur l'échangeur principal de sorte qu'un même flux d'air puisse traverser les corps respectifs desdits échangeurs.To this end, the invention firstly relates to a module heat exchange, comprising a main exchanger and at at least one secondary exchanger each comprising a body generally planar provided with fluid circulation tubes, and further comprising cooling fins, the exchanger secondary being fixed on the main exchanger so that the same air flow can pass through the respective bodies said exchangers.

Conformément à l'invention, le module comporte un jeu d'ailettes commun à l'échangeur principal et à au moins un échangeur secondaire, lesdites ailettes étant montées sur les tubes de circulation de fluide de l'échangeur principal et faisant saillie de cet échangeur sensiblement perpendiculairement au plan de ce dernier, les parties des ailettes en saillie de l'échangeur principal comportant des découpes de réception des tubes de circulation de fluide de l'échangeur secondaire, et des moyens de blocage étant prévus pour bloquer l'échangeur secondaire dans la position où ses tubes de circulation de fluide sont engagés dans lesdites découpes.According to the invention, the module includes a set fins common to the main exchanger and to at least one secondary exchanger, said fins being mounted on the fluid circulation tubes of the main exchanger and projecting from this exchanger substantially perpendicularly in the plane of the latter, the parts of the fins protruding from the main exchanger with cutouts for receiving the exchanger fluid circulation tubes secondary, and blocking means being provided for block the secondary exchanger in the position where its tubes fluid circulation are engaged in said cutouts.

Les échangeurs sont donc assemblés par leur corps, par l'intermédiaire de leurs tubes de circulation de fluide et du jeu commun d'ailettes de refroidissement.The exchangers are therefore assembled by their body, by through their fluid circulation tubes and the common set of cooling fins.

Il en résulte une simplification du montage du module d'échange de chaleur.This results in a simplification of the assembly of the module. heat exchange.

Le module peut en outre présenter des dimensions moins importantes. En effet, aucun organe d'assemblage ne déborde sur la section transversale des échangeurs. En outre, les corps peuvent être aussi rapprochés qu'on le souhaite.The module may also have dimensions less important. Indeed, no assembly member overflows on the cross section of the exchangers. In addition, bodies can be as close together as desired.

Il en résulte donc également une épaisseur inférieure pour le module, et une possibilité de disposer pour chaque échangeur d'une surface d'échange maximale.This therefore also results in a lower thickness for the module, and a possibility of having for each exchanger maximum exchange area.

Dans un mode de réalisation particulier, les ailettes de refroidissement font saillie de l'échangeur principal d'un côté de ce dernier pour assembler un échangeur secondaire et l'échangeur principal.In a particular embodiment, the fins of cooling protrude from the main exchanger of a side of the latter to assemble a secondary exchanger and the main exchanger.

Dans un autre mode de réalisation, les ailettes de refroidissement font saillie de l'échangeur principal des deux côtés de ce dernier pour assembler deux échangeurs secondaires et l'échangeur principal.In another embodiment, the cooling fins protrude from the main exchanger of the two sides of the latter to assemble two secondary exchangers and the main exchanger.

Avantageusement, les découpes des ailettes sont ouvertes en direction de l'échangeur secondaire.Advantageously, the cutouts of the fins are open in direction of the secondary exchanger.

L'expression "moyens de blocage" telle qu'utilisée présentement entend englober de manière générale des moyens mécaniques propres à immobiliser le ou les échangeurs secondaires par rapport à l'échangeur principal.The term "locking means" as used at present intends to generally include mechanical means suitable for immobilizing the secondary exchanger (s) relative to the main exchanger.

Dans une forme de réalisation de l'invention, les moyens de blocage comprennent un assemblage à force des tubes de l'échangeur secondaire dans les découpes des ailettes.In one embodiment of the invention, the means of locking include a forced assembly of the tubes the secondary exchanger in the cutouts of the fins.

Dans une autre forme de réalisation de l'invention, les moyens de blocage comprennent des moyens de coopération de forme.In another embodiment of the invention, the blocking means include cooperation means of form.

Ces moyens de blocage peuvent comprendre des encoches alignées formées dans un des côtés, perpendiculaires aux plans des échangeurs, de la partie en saillie des ailettes et un organe de blocage issu de l'échangeur secondaire et propre à s'engager dans les dites encoches.These blocking means may include notches aligned formed in one of the sides, perpendicular to the plans of the exchangers, of the projecting part of the fins and a blocking member from the secondary and clean exchanger to engage in the said notches.

Dans un exemple de réalisation, l'organe de blocage comprend au moins un enfoncement prévu sur au moins une joue de l'échangeur secondaire.In an exemplary embodiment, the blocking member comprises at least one recess provided on at least one cheek of the secondary exchanger.

Dans un autre exemple de réalisation, l'organe de blocage comprend au moins une patte issue d'au moins un côté d'une boíte collectrice de l'échangeur secondaire.In another exemplary embodiment, the blocking member includes at least one tab from at least one side of a manifold of the secondary exchanger.

Les moyens de blocage peuvent comprendre aussi des encoches alignées formées dans un des côtés, perpendiculaires aux plans des échangeurs, de la partie en saillie des ailettes et un organe de blocage rapporté et propre à s'engager dans les dites encoches. The locking means may also include notches aligned formed in one of the sides, perpendicular to the plans of the exchangers, of the projecting part of the fins and an added locking member capable of engaging in the say notches.

Dans un exemple de réalisation, cet organe de blocage rapporté est une réglette munie d'une nervure agencée pour s'engager dans lesdites encoches, et des moyens de verrouillage sont prévus pour solidariser l'organe de blocage à l'échangeur secondaire.In an exemplary embodiment, this blocking member reported is a strip provided with a rib arranged for engage in said notches, and locking means are provided to secure the locking member to the secondary exchanger.

Avantageusement, les moyens de verrouillage comprennent des pattes de sertissage solidaires d'une joue montée sur l'échangeur secondaire pour sertir l'organe de blocage sur l'échangeur secondaire.Advantageously, the locking means comprise crimping lugs integral with a cheek mounted on the secondary exchanger for crimping the locking member on the secondary exchanger.

Les moyens de blocage peuvent comprendre au moins une traverse à section transversale en forme de U qui présente deux bords opposés propres à venir en appui sur deux faces opposées des ailettes et qui comporte une patte propre à s'engager dans une encoche prévue dans une boíte collectrice de l'échangeur secondaire.The locking means may include at least one U-shaped cross section which has two clean opposite edges coming to bear on two faces opposite fins and which has a leg specific to engage in a notch provided in a manifold of the secondary exchanger.

L'invention a également pour objet un procédé de réalisation d'un module d'échange de chaleur comprenant un échangeur principal et au moins un échangeur secondaire comportant chacun un corps muni de tubes de circulation de fluide, et comprenant en outre des ailettes de refroidissement, et dans lequel l'échangeur secondaire est fixé sur l'échangeur principal de sorte qu'un même flux d'air puisse traverser les corps respectifs desdits échangeurs.The invention also relates to a method of making a heat exchange module comprising an exchanger main and at least one secondary exchanger comprising each a body provided with fluid circulation tubes, and further comprising cooling fins, and in which the secondary exchanger is fixed on the exchanger main so that the same air flow can pass through respective bodies of said exchangers.

Conformément à l'invention, le procédé comprend les étapes consistant à réaliser l'échangeur principal avec des ailettes faisant saillie de cet échangeur sensiblement perpendiculairement au plan de ce dernier, les parties des ailettes en saillie comportant des découpes de réception des tubes de circulation de fluide de l'échangeur secondaire, réaliser l'échangeur secondaire sans ailettes de refroidissement, positionner l'échangeur secondaire en engageant ses tubes de circulation de fluide dans lesdites découpes, et bloquer l'échangeur secondaire dans cette position. According to the invention, the method comprises the steps consisting in making the main exchanger with fins projecting from this exchanger substantially perpendicularly in the plane of the latter, the parts of the fins projecting comprising cutouts for receiving the tubes of fluid circulation of the secondary exchanger, carry out the secondary exchanger without cooling fins, position the secondary exchanger by engaging its tubes circulation of fluid in said cutouts, and blocking the secondary exchanger in this position.

On décrira maintenant, à titre d'exemples non limitatifs, plusieurs formes de réalisation particulières de l'invention, en référence aux dessins schématiques annexés, sur lesquels:

  • la figure 1 est une vue en perspective d'un module d'échange de chaleur selon une première forme de réalisation de l'invention ;
  • la figure 2 est une vue en perspective éclatée à plus grande échelle d'une partie du module de la figure 1 avant assemblage ;
  • la figure 3 est une vue partielle montrant les tubes de l'échangeur secondaire engagés dans les encoches des ailettes après assemblage ;
  • la figure 4 est une vue partielle en perspective d'un module d'échange de chaleur selon une deuxième forme de réalisation de l'invention ;
  • les figures 5 et 6 sont deux vues partielles en perspective illustrant l'assemblage du module de la figure 4 ;
  • les figures 7 et 8 sont deux vues partielles en perspective illustrant l'assemblage d'un module selon une troisième forme de réalisation de l'invention ;
  • les figures 9 et 10 sont deux vues en perspective illustrant l'assemblage d'un module selon une quatrième forme de réalisation de l'invention ;
  • la figure 11 est une vue en perspective éclatée à plus grande échelle d'une partie du module des figures 9 et 10, avant assemblage ;
  • la figure 12 est une vue similaire à la figure 11 montrant le module en cours d'assemblage ;
  • la figure 13 une vue similaire à la figure 11 montrant le module assemblé ; et
  • la figure 14 est une vue partielle en perspective d'un module d'échange de chaleur selon une cinquième forme de réalisation de l'invention.
Several specific embodiments of the invention will now be described, by way of non-limiting examples, with reference to the appended schematic drawings, in which:
  • Figure 1 is a perspective view of a heat exchange module according to a first embodiment of the invention;
  • Figure 2 is an exploded perspective view on a larger scale of a part of the module of Figure 1 before assembly;
  • Figure 3 is a partial view showing the tubes of the secondary exchanger engaged in the notches of the fins after assembly;
  • Figure 4 is a partial perspective view of a heat exchange module according to a second embodiment of the invention;
  • Figures 5 and 6 are two partial perspective views illustrating the assembly of the module of Figure 4;
  • Figures 7 and 8 are two partial perspective views illustrating the assembly of a module according to a third embodiment of the invention;
  • Figures 9 and 10 are two perspective views illustrating the assembly of a module according to a fourth embodiment of the invention;
  • Figure 11 is an exploded perspective view on a larger scale of a part of the module of Figures 9 and 10, before assembly;
  • Figure 12 is a view similar to Figure 11 showing the module being assembled;
  • Figure 13 a view similar to Figure 11 showing the assembled module; and
  • Figure 14 is a partial perspective view of a heat exchange module according to a fifth embodiment of the invention.

Le module d'échange de chaleur de la figure 1 est composé d'un radiateur 1 de refroidissement d'un moteur de véhicule automobile et d'un condenseur 2 de climatisation, ces deux échangeurs étant généralement plans.The heat exchange module of Figure 1 is composed a vehicle engine cooling radiator 1 automobile and an air conditioning condenser 2, these two exchangers are generally planar.

Le radiateur 1 est constitué de façon connue d'un corps 3 réalisé à partir d'un faisceau de tubes verticaux de circulation de fluide et monté entre deux boítes collectrices 4 et 5, les boítes collectrices étant disposées le long de deux côtés parallèles du corps et munies de tubulures 6 d'entrée et de sortie de fluide de refroidissement.The radiator 1 consists in a known manner of a body 3 made from a bundle of vertical circulation tubes of fluid and mounted between two manifolds 4 and 5, the manifolds being arranged along two parallel sides of the body and fitted with 6 inlet pipes and coolant outlet.

Le condenseur 2 est également constitué d'un corps 7 réalisé à partir d'un faisceau de tubes verticaux de circulation de fluide et monté entre deux boítes collectrices 8 et 9, les boítes collectrices étant disposées le long de deux côtés parallèles du corps et munies de tubulures 10 d'entrée et de sortie de fluide réfrigérant.The condenser 2 also consists of a body 7 produced from a bundle of vertical circulation tubes from fluid and mounted between two manifolds 8 and 9, the manifolds being arranged along two sides parallel to the body and provided with inlet pipes 10 and refrigerant outlet.

On va voir ci-après que les échangeurs de chaleur 1 et 2 sont assemblés par leur corps 3 et 7 respectivement, par l'intermédiaire d'ailettes 11 communes aux deux échangeurs.We will see below that the heat exchangers 1 and 2 are assembled by their bodies 3 and 7 respectively, via fins 11 common to the two exchangers.

Ces ailettes 11, mieux représentées aux figures 2 et 3, sont montées de façon conventionnelle sur les tubes 22 du corps 3 de l'échangeur de chaleur 1.These fins 11, better represented in FIGS. 2 and 3, are conventionally mounted on the tubes 22 of the body 3 of the heat exchanger 1.

Elles comportent toutefois la particularité de comporter des prolongements 12 en saillie, perpendiculairement au plan des échangeurs, du côté de l'échangeur de chaleur 2. However, they have the particularity of comprising protruding extensions 12 perpendicular to the plane of the exchangers, on the side of the heat exchanger 2.

Les prolongements 12 comportent des découpes 13 ouvertes en direction de l'échangeur 2. Ces découpes ont une forme correspondant à la section transversale des tubes 23 de l'échangeur 2, qui sont ici des tubes plats, et un même pas que ces tubes, de manière à recevoir ces tubes (figure 3).The extensions 12 include cutouts 13 open in direction of the exchanger 2. These cuts have a shape corresponding to the cross section of the tubes 23 of exchanger 2, which are here flat tubes, and the same pitch as these tubes, so as to receive these tubes (Figure 3).

Dans la forme de réalisation des figures 1 à 3, les tubes 23 de l'échangeur secondaire 12 sont assemblés à force dans les découpes 13 des ailettes. Ceci assure un blocage par friction entre les parois des tubes 23 et les bords des découpes 13.In the embodiment of Figures 1 to 3, the tubes 23 of the secondary exchanger 12 are forcibly assembled in the cuts 13 of the fins. This ensures friction blocking between the walls of the tubes 23 and the edges of the cutouts 13.

L'échangeur 2 comprend d'autre part deux joues latérales 15 le long de ses côtés perpendiculaires aux boítes collectrices 8 et 9 (figure 2). Ces joues peuvent le cas échéant prendre appui en force contre les côtés des ailettes pour contribuer au maintien de l'échangeur secondaire.The exchanger 2 also comprises two side cheeks 15 along its sides perpendicular to the manifolds 8 and 9 (Figure 2). These cheeks can if necessary take force support against the sides of the fins to contribute maintaining the secondary exchanger.

L'assemblage de l'échangeur 1 muni de ses ailettes 11 avec l'échangeur 2 dépourvu d'ailettes s'effectue alors de la manière suivante. L'échangeur 2 est simplement plaqué contre l'échangeur 1 en engageant en force les tubes 23 de l'échangeur 2 dans les découpes 13 des prolongements 12 des ailettes, ce qui assure le blocage de l'échangeur 2.The assembly of the exchanger 1 provided with its fins 11 with exchanger 2 without fins then takes place from the next way. Exchanger 2 is simply pressed against the exchanger 1 by forcibly engaging the tubes 23 of the exchanger 2 in the cutouts 13 of the extensions 12 of the fins, which ensures the blocking of the exchanger 2.

Le module d'échange de chaleur des figures 4 à 6 s'apparente à celui des figures 1 à 3. Toutefois, le blocage de l'échangeur secondaire 2 par rapport à l'échangeur principal 1 s'effectue ici par des moyens de coopération de forme. A cet effet, chaque prolongement 12 des ailettes comporte par ailleurs une encoche 14 formée dans chacun de ses côtés perpendiculaires aux plans des échangeurs (figure 5). Les encoches 14 sont alignées de manière à former dans le bloc d'ailettes deux rainures verticales opposées.The heat exchange module in Figures 4 to 6 is similar to that of FIGS. 1 to 3. However, the blocking of the exchanger secondary 2 compared to main exchanger 1 takes place here by means of form cooperation. In this Indeed, each extension 12 of the fins comprises by elsewhere a notch 14 formed in each of its sides perpendicular to the planes of the exchangers (Figure 5). The notches 14 are aligned so as to form in the block two opposite vertical grooves.

L'échangeur secondaire 2 comporte deux joues latérales 15 analogues à celles de la forme de réalisation des figures 1 à 3. Toutefois l'une au moins des joues 15 comprend des enfoncements 24, ici au nombre de trois (figure 4), qui sont dirigés du côté des ailettes et prévus pour s'engager par coopération de forme dans l'encoche 14. Ainsi le blocage est assuré ici par un organe issu de l'échangeur secondaire.The secondary exchanger 2 has two side cheeks 15 similar to those of the embodiment of Figures 1 to 3. However, at least one of the cheeks 15 includes recesses 24, here three in number (FIG. 4), which are directed towards the fins and intended to engage by shape cooperation in the notch 14. Thus the blocking is provided here by a member from the secondary exchanger.

L'assemblage du module s'effectue en plaquant l'échangeur 2 contre l'échangeur 1 (figures 5 et 6) de manière à engager les tubes 23 de l'échangeur 2 dans les découpes 13 des prolongements 12 des ailettes. Ensuite les enfoncements 24, qui sont de préférence prédécoupés, sont déformés en direction de l'encoche 14 pour assurer le blocage.The module is assembled by pressing the heat exchanger 2 against the exchanger 1 (Figures 5 and 6) so as to engage the tubes 23 of the exchanger 2 in the cutouts 13 of the 12 extensions of the fins. Then the recesses 24, which are preferably pre-cut, are deformed in the direction notch 14 for locking.

Le module d'échange de chaleur des figures 7 et 8 s'apparente à celui des figures 4 à 6 et le blocage de l'échangeur secondaire 2 par rapport à l'échangeur principal 1 s'effectue aussi par des moyens de coopération de forme.The heat exchange module in Figures 7 and 8 is similar to that of FIGS. 4 to 6 and the blocking of the secondary exchanger 2 relative to the main exchanger 1 takes place also by means of form cooperation.

Le prolongement 12 des ailettes comporte ici deux encoches 14, analogues à celles de la forme de réalisation des figures 4 à 6, de manière à former dans le bloc d'ailettes deux rainures verticales opposées.The extension 12 of the fins here comprises two notches 14, analogous to those of the embodiment of the figures 4 to 6, so as to form in the fin block two opposite vertical grooves.

L'échangeur 2 comprend un organe de blocage qui est formé d'au moins une patte 25 issue d'au moins un côté d'une boíte collectrice 8 de l'échangeur de chaleur 2. De préférence, les deux boítes collectrices 8 et 9 de l'échangeur 2 sont munies chacune de deux pattes 25 ce qui procure quatre pattes en tout.The exchanger 2 comprises a blocking member which is formed at least one tab 25 from at least one side of a box manifold 8 of the heat exchanger 2. Preferably, the two manifolds 8 and 9 of the exchanger 2 are provided each of two legs 25 which provides four legs in all.

L'assemblage du module s'effectue en plaquant l'échangeur 2 contre l'échangeur 1 (figures 7 et 8) de manière à engager les tubes 23 de l'échangeur 2 dans les découpes 13 des prolongements 12 des ailettes. Ensuite chacune des pattes 25 est pliée de manière à s'engager dans une encoche 14 pour assurer le blocage.The module is assembled by pressing the heat exchanger 2 against the exchanger 1 (Figures 7 and 8) so as to engage the tubes 23 of the exchanger 2 in the cutouts 13 of the 12 extensions of the fins. Then each leg 25 is folded so as to engage in a notch 14 for ensure blocking.

Le module d'échange de chaleur des figures 9 à 13 s'apparente à celui des figures 4 à 6 et à celui des figures 7 et 8, en ce sens que le blocage de l'échangeur secondaire 2 par rapport à l'échangeur principal 1 s'effectue aussi par des moyens de coopération de forme. The heat exchange module in Figures 9 to 13 is similar to that of FIGS. 4 to 6 and to that of FIGS. 7 and 8, in this sense that blocking of the secondary exchanger 2 by compared to the main exchanger 1 is also carried out by means of form cooperation.

Le prolongement 12 des ailettes comporte aussi deux encoches 14 (figure 11) analogues à celles décrites précédemment.The extension 12 of the fins also has two notches 14 (Figure 11) similar to those described above.

Les joues 15 de l'échangeur 2 comportent chacune deux rebords 16 en saillie vers l'extérieur de l'échangeur, ces rebords 16 étant eux-mêmes prolongés par des pattes de sertissage 17 (figures 11 à 13).The cheeks 15 of the exchanger 2 each have two flanges 16 projecting towards the outside of the exchanger, these flanges 16 being themselves extended by crimping lugs 17 (Figures 11 to 13).

Une réglette de blocage 18, constituée par exemple d'un tronçon de profilé en matière plastique, est en outre prévue pour coopérer avec chacune des joues 15. Cette réglette constitue un organe de blocage qui est rapporté, et non pas issu de l'échangeur 2. Chaque réglette a une section sensiblement en forme de T. Elle comprend un corps 19 d'une largeur sensiblement égale à la distance entre les deux rebords 16, et une épaisseur sensiblement égale à la hauteur des rebords 16.A blocking strip 18, consisting for example of a section of plastic profile is also provided to cooperate with each of the cheeks 15. This strip is a locking device that is attached, not from the heat exchanger 2. Each strip has a section which is substantially T-shaped. It includes a body 19 of a width substantially equal to the distance between the two edges 16, and a thickness substantially equal to the height ledges 16.

Elle comprend de plus une nervure 20 de même section transversale que les encoches 14. Les dimensions de la réglette 18 sont telles qu'elle peut s'engager entre les rebords 16 avec la nervure 20 dans les encoches 14. A cet effet, les joues 15 comportent une fente 21 permettant le passage de la nervure 20.It further comprises a rib 20 of the same cross section. than the notches 14. The dimensions of the strip 18 are such that it can engage between the flanges 16 with the rib 20 in the notches 14. For this purpose, the cheeks 15 have a slot 21 allowing the passage of the rib 20.

L'assemblage de l'échangeur 1 muni de ses ailettes 11 avec l'échangeur 2 dépourvu d'ailette s'effectue alors de la manière suivante.The assembly of the exchanger 1 provided with its fins 11 with the exchanger 2 without fin then takes place from the next way.

L'échangeur 2 est tout d'abord plaqué contre l'échangeur 1 en engageant les tubes 23 de l'échangeur 2 dans les découpes 13 des prolongements 12 des ailettes. Dans cette position, la fente 21 se trouve en vis-à-vis des encoches 14 (figure 12).Heat exchanger 2 is first pressed against heat exchanger 1 in engaging the tubes 23 of the exchanger 2 in the cutouts 13 extensions 12 of the fins. In this position, the slot 21 is located opposite the notches 14 (Figure 12).

La réglette 18 est ensuite mise en place entre les rebords 16 et dans la fente 21 et les encoches 14. The strip 18 is then placed between the flanges 16 and in the slot 21 and the notches 14.

Enfin, les pattes 17 sont serties sur la réglette 18 de manière à l'immobiliser (figures 10 et 13). L'échangeur 2 est ainsi solidarisé à l'échangeur 1.Finally, the tabs 17 are crimped onto the strip 18 of so as to immobilize it (Figures 10 and 13). Interchange 2 is thus secured to the exchanger 1.

Dans le module d'échange de chaleur de la figure 14, le blocage de l'échangeur secondaire 2 par rapport à l'échangeur principal 1 s'effectue aussi par des moyens à coopération de forme.In the heat exchange module in Figure 14, the blocking of the secondary exchanger 2 in relation to the exchanger principal 1 is also carried out by means of cooperation of form.

Ces moyens de blocage comprennent au moins une traverse 26 à section transversale en forme de U qui présente une âme 27 généralement plane comprise entre deux bords opposés 28. Ces bords sont propres à venir en appui contre deux faces opposées 29 et 30 des ailettes qui constituent respectivement les deux faces principales du module. De préférence le module comprend deux traverses 26.These blocking means comprise at least one cross 26 to U-shaped cross section with core 27 generally planar between two opposite edges 28. These edges are clean enough to bear against two opposite faces 29 and 30 of the fins which respectively constitute the two main faces of the module. Preferably the module includes two crosspieces 26.

Chaque traverse comporte ici deux pattes 31 et 32, propres à s'engager chacune une encoche 33, respectivement 34, prévue dans la boíte collectrice 8, respectivement 9, de l'échangeur secondaire.Each cross member here has two legs 31 and 32, specific to each engage a notch 33, respectively 34, provided in the manifold 8, respectively 9, of the exchanger secondary.

L'invention n'est pas limitée aux modes de réalisation décrits précédemment et s'étend à d'autres variantes. Ainsi bien qu'un seul échangeur secondaire soit ici prévu, il serait toutefois possible d'en prévoir un deuxième en adoptant le même agencement que décrit ci-dessus du côté opposé à celui de l'échangeur 2. Il suffirait pour cela de prolonger les ailettes 11 de l'autre côté du plan de l'échangeur 1.The invention is not limited to the embodiments described above and extends to other variants. So although only one secondary exchanger is provided here, it however, it would be possible to provide a second one adopting the same arrangement as described above on the side opposite that of exchanger 2. It would suffice for this to extend the fins 11 on the other side of the heat exchanger plane 1.

Le faisceau de l'échangeur 1 peut être réalisé à partir de tout type de tubes, plats ou à section circulaire. Il peut également être à une ou plusieurs nappes.The heat exchanger bundle 1 can be produced from any type of tube, flat or circular section. he can also be one or more layers.

Claims (14)

Module d'échange de chaleur, comprenant un échangeur principal (1) et au moins un échangeur secondaire (2) comportant chacun un corps (3, 7) généralement plan muni de tubes de circulation de fluide, et comprenant en outre des ailettes de refroidissement (11), l'échangeur secondaire étant fixé sur l'échangeur principal de sorte qu'un même flux d'air puisse traverser les corps respectifs desdits échangeurs,
caractérisé en ce que le module comporte un jeu d'ailettes (11) commun à l'échangeur principal (1) et à au moins un échangeur secondaire (2), lesdites ailettes étant montées sur les tubes de circulation de fluide de l'échangeur principal et faisant saillie de cet échangeur sensiblement perpendiculairement au plan de ce dernier, les parties (12) des ailettes en saillie de l'échangeur principal comportant des découpes (13) de réception des tubes de circulation de fluide de l'échangeur secondaire, et des moyens de blocage (23, 13 ; 14, 24 ; 14, 25 ; 14, 18 ; 26) étant prévus pour bloquer l'échangeur secondaire dans la position où ses tubes de circulation de fluide sont engagés dans lesdites découpes. Heat exchange module, comprising a main exchanger (1) and at least one secondary exchanger (2) each comprising a body (3, 7) generally planar provided with fluid circulation tubes, and further comprising cooling fins (11), the secondary exchanger being fixed on the main exchanger so that the same air flow can pass through the respective bodies of said exchangers,
characterized in that the module comprises a set of fins (11) common to the main exchanger (1) and to at least one secondary exchanger (2), said fins being mounted on the fluid circulation tubes of the main exchanger and projecting from this exchanger substantially perpendicular to the plane of the latter, the parts (12) of the projecting fins of the main exchanger comprising cutouts (13) for receiving the fluid circulation tubes of the secondary exchanger, and blocking means (23, 13; 14, 24; 14, 25; 14, 18; 26) being provided to block the secondary exchanger in the position where its fluid circulation tubes are engaged in said cutouts. Module d'échange de chaleur selon la revendication 1, dans lequel les ailettes de refroidissement (11) font saillie de l'échangeur principal (1) d'un côté de ce dernier pour assembler un échangeur secondaire (2) et l'échangeur principal (1).Heat exchange module according to claim 1, in which the cooling fins (11) protrude of the main exchanger (1) on one side of the latter for assemble a secondary exchanger (2) and the main exchanger (1). Module d'échange de chaleur selon la revendication 1 , dans lequel les ailettes de refroidissement (11) font saillie de l'échangeur principal (1) des deux côtés de ce dernier pour assembler deux échangeurs secondaires (2) et l'échangeur principal (1). Heat exchange module according to claim 1, in which the cooling fins (11) protrude of the main exchanger (1) on both sides of the latter to assemble two secondary exchangers (2) and the exchanger main (1). Module d'échange de chaleur selon l'une des revendications 1 à 3, dans lequel les découpes (13) des ailettes sont ouvertes en direction de l'échangeur secondaire (2).Heat exchange module according to one of claims 1 to 3, in which the cutouts (13) of the fins are open towards the secondary exchanger (2). Module d'échange de chaleur selon l'une des revendications 1 à 4, dans lequel les moyens de blocage comprennent un assemblage à force des tubes (23) de l'échangeur secondaire (2) dans les découpes (13) des ailettes.Heat exchange module according to one of claims 1 to 4, in which the locking means comprise a force assembly of the tubes (23) of the secondary exchanger (2) in the cutouts (13) of the fins. Module d'échange de chaleur selon l'une des revendications 1 à 4, dans lequel les moyens de blocage comprennent des moyens de coopération de forme.Heat exchange module according to one of claims 1 to 4, in which the blocking means comprise formal cooperation means. Module d'échange de chaleur selon l'une des revendications 1 à 6, dans lequel les moyens de blocage comprennent des encoches (14) alignées formées dans un des côtés, perpendiculaires aux plans des échangeurs, de la partie en saillie des ailettes et un organe de blocage (24 ; 25) issu de l'échangeur secondaire (2) et propre à s'engager dans les dites encoches.Heat exchange module according to one of claims 1 to 6, in which the blocking means comprise aligned notches (14) formed in one of the sides, perpendicular on the exchanger plans, of the projecting part fins and a locking member (24; 25) from the secondary exchanger (2) and suitable for engaging in the say notches. Module d'échange de chaleur selon la revendication 7, dans lequel l'organe de blocage comprend au moins un enfoncement (24) prévu sur au moins une joue (15) de l'échangeur secondaire (2).Heat exchange module according to claim 7, in which the blocking member comprises at least one recess (24) provided on at least one cheek (15) of the exchanger secondary (2). Module d'échange de chaleur selon la revendication 7, dans lequel l'organe de blocage comprend au moins une patte (25) issue d'au moins un côté d'une boíte collectrice (8, 9) de l'échangeur secondaire (2).Heat exchange module according to claim 7, in which the blocking member comprises at least one tab (25) from at least one side of a manifold (8, 9) of the secondary exchanger (2). Module d'échange de chaleur selon l'une des revendications 1 à 6, dans lequel les moyens de blocage comprennent des encoches (14) alignées formées dans un des côtés perpendiculaires aux plans des échangeurs de la partie en saillie des ailettes et un organe de blocage (18) rapporté et propre à s'engager dans les dites encoches. Heat exchange module according to one of claims 1 to 6, in which the blocking means comprise aligned notches (14) formed in one of the perpendicular sides to the exchangers of the projecting part fins and an attached and clean locking member (18) to engage in the said notches. Module d'échange de chaleur selon la revendication 10, dans lequel l'organe de blocage rapporté est une réglette (18) munie d'une nervure (20) agencée pour s'engager dans lesdites encoches, des moyens de verrouillage (17) étant prévus pour solidariser l'organe de blocage à l'échangeur secondaire (2).Heat exchange module according to claim 10, in which the added blocking member is a strip (18) provided with a rib (20) arranged to engage in said notches, locking means (17) being designed to secure the blocking member to the exchanger secondary (2). Module d'échange de chaleur selon la revendication 11, dans lequel les moyens de verrouillage comprennent des pattes de sertissage (17) solidaires d'une joue (15) montée sur l'échangeur secondaire (2) pour sertir l'organe de blocage (18) sur l'échangeur secondaire (2).Heat exchange module according to claim 11, in which the locking means comprise tabs crimping (17) integral with a cheek (15) mounted on the secondary exchanger (2) for crimping the blocking member (18) on the secondary exchanger (2). Module d'échange de chaleur selon l'une des revendications 1 à 6, dans lequel les moyens de blocage comprennent au moins une traverse (26) à section transversale en forme de U qui présente deux bords opposés (28) propres à venir en appui sur deux faces opposées (29, 30) des ailettes (1) et qui comporte une patte (31, 32) propre à s'engager dans une encoche (33, 34) prévue dans une boíte collectrice (8, 9) de l'échangeur secondaire (2).Heat exchange module according to one of claims 1 to 6, in which the blocking means comprise at minus a cross-member (26) with a U-shaped cross section which has two opposite edges (28) capable of coming to bear on two opposite faces (29, 30) of the fins (1) and which has a tab (31, 32) suitable for engaging in a notch (33, 34) provided in a manifold (8, 9) of the secondary exchanger (2). Procédé de réalisation d'un module d'échange de chaleur selon l'une des revendications 1 à 13, comprenant un échangeur principal (1) et au moins un échangeur secondaire (2) comportant chacun un corps (3, 7) muni de tubes de circulation de fluide, et comprenant en outre des ailettes de refroidissement (11) et dans lequel l'échangeur secondaire est fixé sur l'échangeur principal de sorte qu'un même flux d'air puisse traverser les corps respectifs desdits échangeurs, caractérisé en ce qu'il comprend les étapes consistant à réaliser l'échangeur principal (1) avec des ailettes (11) faisant saillie de cet échangeur sensiblement perpendiculairement au plan de ce dernier, les parties (12) des ailettes en saillie comportant des découpes (13) de réception des tubes de circulation de fluide de l'échangeur secondaire, réaliser l'échangeur secondaire (2) sans ailettes de refroidissement, positionner l'échangeur secondaire en engageant ses tubes de circulation de fluide dans lesdites découpes, et bloquer l'échangeur secondaire dans cette position.Method for producing a heat exchange module according to one of claims 1 to 13, comprising an exchanger main (1) and at least one secondary exchanger (2) each comprising a body (3, 7) provided with circulation tubes of fluid, and further comprising fins cooling (11) and in which the secondary exchanger is fixed on the main exchanger so that the same flow air can pass through the respective bodies of said exchangers, characterized in that it comprises the stages consisting to make the main exchanger (1) with fins (11) projecting from this exchanger substantially perpendicularly in the plane of the latter, the parts (12) of the fins projecting comprising cutouts (13) for receiving secondary exchanger fluid circulation tubes, make the secondary exchanger (2) without cooling fins, position the secondary exchanger by engaging its fluid circulation tubes in said cutouts, and block the secondary exchanger in this position.
EP01104627A 2000-02-28 2001-02-23 Heat exchange module, more particularly for automotive vehicle Expired - Lifetime EP1128149B1 (en)

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FR0002453 2000-02-28
FR0002453A FR2805605B1 (en) 2000-02-28 2000-02-28 HEAT EXCHANGE MODULE, PARTICULARLY FOR A MOTOR VEHICLE

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EP (1) EP1128149B1 (en)
JP (1) JP2001263985A (en)
KR (1) KR20010085507A (en)
AT (1) ATE291727T1 (en)
BR (1) BR0100791B1 (en)
DE (1) DE60109510D1 (en)
FR (1) FR2805605B1 (en)
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FR2832214A1 (en) * 2001-11-13 2003-05-16 Valeo Thermique Moteur Sa HEAT EXCHANGE MODULE, PARTICULARLY FOR A MOTOR VEHICLE, COMPRISING A MAIN RADIATOR AND A SECONDARY RADIATOR, AND SYSTEM COMPRISING THIS MODULE
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EP1892492A3 (en) * 2001-11-13 2013-03-20 Valeo Systèmes Thermiques Heat exchange module, in particular for an automobile vehicle, comprising a main radiator and a secondary radiator, and system comprising this module
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WO2004057257A3 (en) * 2002-12-19 2004-08-12 Valeo Thermique Moteur Sa Heat exchanging module, in particular for motor vehicle, comprising a plurality of heat exchangers
WO2004102103A2 (en) * 2003-05-15 2004-11-25 Valeo Thermique Moteur Heat exchanger which is intended, in particular, for a motor vehicle
FR2856783A1 (en) * 2003-05-15 2004-12-31 Valeo Thermique Moteur Sa HEAT EXCHANGER AND HEAT EXCHANGE MODULE COMPRISING SUCH AN EXCHANGER, AS WELL AS A METHOD OF MANUFACTURING SUCH A EXCHANGER AND SUCH A MODULE
WO2004102103A3 (en) * 2003-05-15 2005-01-13 Valeo Thermique Moteur Sa Heat exchanger which is intended, in particular, for a motor vehicle

Also Published As

Publication number Publication date
EP1128149B1 (en) 2005-03-23
US20010047860A1 (en) 2001-12-06
FR2805605A1 (en) 2001-08-31
BR0100791A (en) 2001-09-25
DE60109510D1 (en) 2005-04-28
US6899167B2 (en) 2005-05-31
KR20010085507A (en) 2001-09-07
BR0100791B1 (en) 2009-01-13
FR2805605B1 (en) 2002-05-31
ATE291727T1 (en) 2005-04-15
JP2001263985A (en) 2001-09-26
MXPA01002121A (en) 2002-08-20

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