EP2722517B1 - Intake module in form of an intake manifold with integrated heat exchanger - Google Patents

Intake module in form of an intake manifold with integrated heat exchanger Download PDF

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Publication number
EP2722517B1
EP2722517B1 EP13306429.5A EP13306429A EP2722517B1 EP 2722517 B1 EP2722517 B1 EP 2722517B1 EP 13306429 A EP13306429 A EP 13306429A EP 2722517 B1 EP2722517 B1 EP 2722517B1
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EP
European Patent Office
Prior art keywords
exchanger
intake manifold
profiled
cover
module according
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EP13306429.5A
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German (de)
French (fr)
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EP2722517A1 (en
EP2722517B2 (en
Inventor
Benoît Ancel
Nicolas Becker
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Sogefi Air and Cooling SAS
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Systemes Moteurs SAS
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268—Heating, cooling or thermal insulating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10354—Joining multiple sections together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0475—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly the intake air cooler being combined with another device, e.g. heater, valve, compressor, filter or EGR cooler, or being assembled on a special engine location
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine

Definitions

  • the present invention relates to the field of technical equipment of motor vehicles with internal combustion engine, more particularly the elements and components forming the intake line of the oxidizing gases of these engines.
  • the invention in this context, relates to an air intake module comprising an intake manifold incorporating a heat exchanger, and its manufacturing process.
  • a constant demand, or even a permanent constructive constraint, in the field of automobile manufacturing, is the saving of space, particularly under the hood and in the engine environment.
  • air intake modules are known in the form of an intake manifold integrating a heat exchanger.
  • the exchanger consists of several separate parts which are assembled in and with the collector to form the fluid circulation circuit of said exchanger. Some of these parts may also be constituent parts of the collector. This results in a complex construction, with a plurality of parts to be assembled and many sealing areas to manage.
  • air intake modules including a collector are also known or distributor incorporating a preassembled heat exchanger, forming a separate sealed circulation circuit.
  • the exchanger is introduced into the hollow body of the collector after completion of the latter.
  • the introduction is effected by an opening formed in the hollow body of the collector and which is sealed in a sealed manner, after assembly of the exchanger by a cover.
  • the cover can be integrated into the structure of the exchanger ( FR 2 645 209 ) or be a separate room ( WO 2008/061850 ).
  • the document WO 2009/027492 discloses a solution similar to that of the three aforementioned documents, namely the realization of the collector body with an opening by the introduction of an exchanger, then the establishment of said exchanger with a lid closing the aforementioned opening and serving as a support mounting at the exchanger. According to this document, it may furthermore be provided to use the exchanger as an internal structural reinforcement element for the collector by solidifying it with the opposite wall of the latter's body, assembling and assembling the exchanger by means of screws, some of which pass through the wall of the collector.
  • the document FR 2 908 833 proposes a unitary module of admission of gases integrating in a single structure a collector and a heat exchanger.
  • the collector comprises a reinforced hollow housing in which the exchanger is received and which is closed by a flat cover.
  • the exchanger forms the central structural element of the module and is housed in a housing, on which are reported the other component parts of the module, in particular the parts of the collector.
  • the present invention aims to overcome at least the main limitations set out above, preferably all.
  • the subject of the invention is an air intake module for an internal combustion engine, having the features of claim 1. Additional features and alternative embodiments emerge from claims 2 to 9.
  • the invention also relates to a method of manufacturing the aforementioned module.
  • the hollow body 2 'of the collector 2 is composed of at least two parts or shells 3, 3' (preferably each formed in one piece) assembled together at their edges in contact, the collector body 2 comprising a 2 "profile volume for receiving a heat exchanger 4 of complementary shape.
  • This volume opens on the outside by a lateral opening 5 of the collector body 2 ', adapted for sliding introduction of said exchanger 4 and preferably arranged on a small side of the body 2 'of the collector (namely a side of the hollow body having an apparent surface much lower than that of the other sides).
  • This body 2 delimits the plenum or mixing / distribution chamber of the collector 2, comprises a feed opening 13 (possibly extended by a nozzle) and tubing or outlet conduits 13' opening into and connected to this body 2 ' possibly formed in one piece with him.
  • the pipes 13 ' may advantageously be interconnected by a fixing plate 13 "at their free ends.
  • the flow of air enters through the opening 13 passes through the plenum containing the exchanger 4 and is discharged through the pipes 13 '.
  • the module 1 is characterized in that the lateral opening 5 of the body 2 'of the collector 2 is closed by a cover 6 which has passage openings 7 for the end pieces 8
  • the heat exchanger 4 is mechanically connected to each of the constituent parts 3, 3 'and / or to at least two substantially planar wall portions 3, 3' of large dimensions. of the body 2 'of the collector 2, thus forming an internal structural element able to reinforce the mutual assembly of the component parts and / or to increase the resistance to deformation stresses to which the walls of said constituent parts 3, 3' or the flat wall portions of large dimension 3, 3 'above.
  • a single sealing zone is to be managed (between the opening 5 and the lid 6) during manufacture.
  • the cover 6 may comprise, at the passage openings 7, specific sealing means (for example compression seals, cooperating structures on the exchanger 4 and on the cover 6, ...) around the end pieces 8 passing through said openings 7, these sealing zones not being affected by the assembly and assembly operations of the module 1 (not shown).
  • the cooperating means 9, 10 ensuring the mechanical bonding between the exchanger 4 and the constituent parts 3, 3 'or the wall portions 3, 3' of the collector 2, and extending preferably over the entire length of extension of said exchanger 4 and said receiving volume 2 ", form obstacles to the flow of gases, preferably substantially sealed, for example by mutual imbrication of complementary or conjugate forms (formation of baffles) , the exchanger 4 being disposed substantially transversely to the gas flow flowing in the collector 2 and dividing the internal volume of the latter into two compartments.
  • the cooperating means 9, 10 thus perform a dual function, namely to join the exchanger 4 with the collector 2 inside the latter and to channel the flow of gas flowing in the collector 2 through the exchanger 4 .
  • said exchanger 4 may comprise a support armature 11 on and / or in which are mounted the functional elements 4 'of the exchanger 4 traversed by the fluid of cooling, the connecting means 10 of the exchanger 4 being part of or being formed or reported on said armature 11 or some of said functional elements 4 ', for example in the form of blades of duct fins or the like.
  • the armature 11 advantageously has a structure capable of withstanding the compressive and tensile stresses, preferably in the different preferred stressing directions of the parts or portions 3, 3 ', depending on the orientation of the exchanger 4 mounted in the collector 2.
  • the walls of the constituent parts 3, 3 'or large wall portions 3, 3' have, on their internal faces, first formations or moldings 9 profiled in the form of grooves, ribs , wings, rails or the like defining, at least partially, the profiled volume 2 "and in that the exchanger 4 comprises, at its outer faces extending along its profiled extension direction DP, second formations or shaped moldings, continuous or not, of complementary or conjugate shapes with respect to the first formations or moldings 9, the first and second formations or moldings 9, 10 coming into mutual engagement cooperating to provide a mechanical connection with the ability to slide in the direction profile extension DP of the exchanger 4 and with locking in position in a plane perpendicular to this direction.
  • the mechanical connection between the exchanger 4 and the collector 2 is automatically established during the engagement of the first city in the second city, without requiring additional fixing or assembly operation.
  • the profiled formations 10 of the exchanger 4 constituting the means for bonding the latter, consist of lateral wings, for example in the form of side edges of plates 11 ' upper and lower portions forming part of the support armature 11, and the profiled formations 9 of the portions or wall portions 3, 3 'of the body 2' of the collector 2, constituting the means for bonding the latter, consist of grooves formed on or in the walls of said constituent parts or wall portions 3, 3 ', and / or in wings 9' guiding the exchanger 4 laterally.
  • the grooves 9 may, for example, be formed between the walls of the parts 3, 3 'and profiled flanges 9' formed therefrom and having an L-shaped or hook-shaped section.
  • an exchanger 4 of square or rectangular section four wings or grooves 9, 9 'can be provided to cooperate with the four longitudinal edges 10 of the exchanger 4 for its guidance and maintenance (Only the two wings 9 'located on the side of the collector body 4' adjacent to the inlet opening 13 are shown on the figures 2 and 3 ).
  • the securing means 9, 10 between the exchanger 4 and the collector 2 are made during the manufacture of the parts 3, 3 'and the exchanger 4 and no separate means of fixing and assembly is necessary when assembling and assembling module 1.
  • the cooperating means 9 and 10 advantageously provide a mounting by hooking, with locking in a plane perpendicular to the direction DP of the exchanger 4 in the body 2 '.
  • the inner faces of the cover 6 and the wall portion 12 may comprise formations having a configuration adapted to the reception or cooperation of the ends or longitudinal end portions of the exchanger 4 (optionally in resilient materials).
  • the assembly plane of the cover 6 with the edge 5 'of the lateral opening 5 can be inclined relative to the direction DE of profiled extension of the receiving volume 2 "of the exchanger 4, corresponding to the sliding mounting direction of said exchanger 4.
  • edges 5 'and 6' of complementary shapes, respectively of the lateral opening 5 of the hollow body 2 'and of the cover 6, may possibly not be situated in a single inclined plane, but in at least two different planes of which the at least one is inclined or perpendicular to the direction DE and at least one other is parallel or contains this direction (in the mounted state of the cover).
  • edges 5 'and 6' comprise formations promoting the mechanical locking between the body 2 'and the cover 6 (ribs / grooves) or the assembly by welding (vibration, mirror or other).
  • the assembly geometry is advantageously designed to withstand stresses in different directions at the lid 6.
  • the exchanger 4 on the one hand, and the cover 6 and the wall portion 12 of the body 2 'of the collector 2 opposite to the lateral opening 5, on the other hand, may comprise pairs of mutually cooperating means of sealing, for example of the type [rib / groove], [seal / bearing surface] or the like, ensuring the peripheral seal around the exchanger 4 in these two areas.
  • the subject of the invention is also, as is partially apparent from Figures 1A to 1C , a method of manufacturing a module 1 as described above.
  • This process is characterized in that it consists in producing, on the one hand, the body 2 'of the collector 2 and, on the other hand, the heat exchanger 4, said body 2' and the exchanger 4 comprising cooperating means 9, 10 for ensuring a mechanical bonding between the exchanger 4 and the constituent parts or walls 3, 3 'of the body 2' and to form obstacles to the flow of gases, to set up said exchanger 4 in the 2 "profile volume, by sliding engagement through the lateral opening 5 and along the cooperating bonding means 9, 10, to provide and assemble a cover 6 on the exchanger 4 by threading it on the end pieces 8 d inlet and outlet and, finally, to secure said cover 6 with the edge 5 'of the side opening 5 so as to close the latter sealingly.
  • the profiled bonding means 9 of the body 2 'delimit between them a profiled volume extending in the extension of the opening 5 and in the direction DP, whose section substantially corresponds to that of the exchanger 4, preferably of parallelepiped shape elongate. These means 9 are configured and arranged for mechanical cooperation adjusted with the complementary bonding means 10 of the exchanger 4 (while permitting the sliding according to DP).
  • the constituent parts 3, 3 'of the body 2' of the collector 2, as well as the cover 6, are made of a thermoplastic material, possibly loaded, the assembly of said parts 3, 3 between them and the fixing of the lid 6 on the lateral opening 5 being preferably made by vibration welding.

Description

La présente invention concerne le domaine des équipements techniques des véhicules automobiles à moteur à combustion interne, plus particulièrement les éléments et composants formant la ligne d'admission des gaz comburants de ces moteurs.The present invention relates to the field of technical equipment of motor vehicles with internal combustion engine, more particularly the elements and components forming the intake line of the oxidizing gases of these engines.

L'invention a, dans ce contexte, pour objet un module d'admission d'air comprenant un collecteur d'admission intégrant un échangeur de chaleur, ainsi que son procédé de fabrication.The invention, in this context, relates to an air intake module comprising an intake manifold incorporating a heat exchanger, and its manufacturing process.

De très nombreuses réalisations de collecteurs d'admission sont connues dans l'état de la technique. Il en est de même pour les échangeurs de chaleur, en particulier ceux destinés à refroidir les gaz EGR avant leur mélange avec l'air frais, en vue de l'injection du mélange gazeux résultant dans les cylindres.Very many embodiments of intake manifolds are known in the state of the art. It is the same for heat exchangers, especially those for cooling the EGR gas before mixing with fresh air, for the injection of the resulting gas mixture in the cylinders.

Une demande constante, voire une contrainte constructive permanente, dans le domaine de la fabrication automobile, est le gain de place en particulier sous le capot et dans l'environnement du moteur.A constant demand, or even a permanent constructive constraint, in the field of automobile manufacturing, is the saving of space, particularly under the hood and in the engine environment.

Dans le cadre de cette problématique générale, une tendance forte vise l'intégration de plusieurs fonctions complémentaires, associées et/ou consécutives dans un même module ou une même unité structurel(le).In the context of this general problematic, a strong trend aims at the integration of several complementary, associated and / or consecutive functions in the same module or the same structural unit (the).

Ainsi, il a été proposé de combiner les fonctions "collecteur d'admission" et "échangeur de chaleur" dans un même module et différentes solutions de réalisation de ce type de module unitaire et multifonctionnel ont déjà été divulguées.Thus, it has been proposed to combine the functions "intake manifold" and "heat exchanger" in the same module and different solutions for producing this type of unitary and multifunctional module have already been disclosed.

Par les documents DE 4 202 077 , US 4 476 842 et US 2011/0088663 notamment, on connaît des modules d'admission d'air sous la forme d'un collecteur d'admission intégrant un échangeur de chaleur.By the documents DE 4 202 077 , US 4,476,842 and US 2011/0088663 in particular, air intake modules are known in the form of an intake manifold integrating a heat exchanger.

Dans ces réalisations antérieures, l'échangeur est constitué de plusieurs parties séparées qui sont assemblées dans et avec le collecteur pour former le circuit de circulation de fluide dudit échangeur. Certaines de ces parties peuvent également constituer des parties constitutives du collecteur. Il en résulte une construction complexe, avec une pluralité de parties à assembler et de nombreuses zones d'étanchéité à gérer.In these prior embodiments, the exchanger consists of several separate parts which are assembled in and with the collector to form the fluid circulation circuit of said exchanger. Some of these parts may also be constituent parts of the collector. This results in a complex construction, with a plurality of parts to be assembled and many sealing areas to manage.

Par les documents FR 2 645 209 et WO 2008/061850 , on connaît également des modules d'admission d'air comprenant un collecteur ou répartiteur incorporant un échangeur de chaleur préassemblé, formant un circuit de circulation étanche séparé.By the documents FR 2 645 209 and WO 2008/061850 , air intake modules including a collector are also known or distributor incorporating a preassembled heat exchanger, forming a separate sealed circulation circuit.

Dans ces solutions antérieures connues, l'échangeur est introduit dans le corps creux du collecteur après réalisation de ce dernier. L'introduction s'effectue par une ouverture ménagée dans le corps creux du collecteur et qui est obturée de manière étanche, après montage de l'échangeur par un couvercle. De ce fait, seule une zone d'étanchéité est à gérer et le corps du collecteur conserve sensiblement son intégrité structurelle.In these known prior solutions, the exchanger is introduced into the hollow body of the collector after completion of the latter. The introduction is effected by an opening formed in the hollow body of the collector and which is sealed in a sealed manner, after assembly of the exchanger by a cover. As a result, only a sealing zone is to be managed and the collector body substantially retains its structural integrity.

Le couvercle peut être intégré à la structure de l'échangeur ( FR 2 645 209 ) ou être une pièce séparée ( WO 2008/061850 ).The cover can be integrated into the structure of the exchanger ( FR 2 645 209 ) or be a separate room ( WO 2008/061850 ).

Le document WO 2009/027492 divulgue une solution similaire à celle des trois documents précités, à savoir la réalisation du corps du collecteur avec une ouverture par l'introduction d'un échangeur, puis la mise en place dudit échangeur avec un couvercle obturant l'ouverture précitée et servant de support de montage à l'échangeur. Selon ce document, il peut, en outre, être prévu d'utiliser l'échangeur comme élément interne de renfort structurel pour le collecteur en le solidarisant avec la paroi opposée du corps de ce dernier, l'assemblage et le montage de l'échangeur s'effectuant par l'intermédiaire de vis, dont certaines traversent la paroi du collecteur.The document WO 2009/027492 discloses a solution similar to that of the three aforementioned documents, namely the realization of the collector body with an opening by the introduction of an exchanger, then the establishment of said exchanger with a lid closing the aforementioned opening and serving as a support mounting at the exchanger. According to this document, it may furthermore be provided to use the exchanger as an internal structural reinforcement element for the collector by solidifying it with the opposite wall of the latter's body, assembling and assembling the exchanger by means of screws, some of which pass through the wall of the collector.

Par les documents EP 0 343 565 et FR 2 936 572 , on connaît une construction de répartiteur d'admission ou similaire dans laquelle l'échangeur est monté dans le boîtier d'un module en deux parties avant assemblage (par vis) de ses deux parties constitutives. L'échangeur est maintenu en position dans le boîtier par blocage dans un emplacement de réception de forme complémentaire.By the documents EP 0 343 565 and FR 2 936 572 , there is known an intake manifold construction or the like in which the exchanger is mounted in the housing of a two-part module before assembly (by screws) of its two component parts. The exchanger is held in position in the housing by locking in a receiving location of complementary shape.

Le document FR 2 908 833 propose un module unitaire d'admission des gaz intégrant en une seule structure un collecteur et un échangeur de chaleur. Dans une première variante, le collecteur comporte un boîtier creux renforcé dans lequel est reçu l'échangeur et qui est fermé par un couvercle plat. Dans une seconde variante, l'échangeur forme l'élément structurel central du module et est logé dans un boîtier, sur lequel sont rapportées les autres parties constitutives du module, en particulier les parties du collecteur.The document FR 2 908 833 proposes a unitary module of admission of gases integrating in a single structure a collector and a heat exchanger. In a first variant, the collector comprises a reinforced hollow housing in which the exchanger is received and which is closed by a flat cover. In a second variant, the exchanger forms the central structural element of the module and is housed in a housing, on which are reported the other component parts of the module, in particular the parts of the collector.

Par le document WO 2010/146063 , on connaît un collecteur d'admission intégrant un échangeur de chaleur dont la construction est relativement similaire à celle de la première variante du document précité ( FR 2 908 833 ), à savoir un boîtier creux recevant l'échangeur et fermé par un couvercle plat formant une partie substantielle (un grand côté) du corps du collecteur (assemblage par vis).By the document WO 2010/146063 there is known an intake manifold incorporating a heat exchanger whose construction is relatively similar to that of the first variant of the aforementioned document ( FR 2 908 833 ), namely a hollow housing receiving the exchanger and closed by a flat cover forming a substantial part (a large side) of the body of the collector (screw connection).

Les différentes solutions connues indiquées ci-dessus présentent toutes une ou plusieurs des limitations suivantes :

  • complexification des opérations de montage/assemblage du corps du collecteur du fait de l'intégration simultanée de l'échangeur ;
  • gestion de plusieurs zones d'étanchéité ou d'une zone d'étanchéité de grande dimension ;
  • modification importante du procédé de fabrication du collecteur ;
  • mise en oeuvre de pièces séparées d'assemblage/de fixation (par exemple des vis) ;
  • assemblage/fixation à travers la paroi d'enceinte du collecteur ou module ;
  • pas de garantie de positionnement précis et fiable de l'échangeur dans le collecteur ;
  • absence de liaison rigide entre le collecteur et l'échangeur ou absence de liaison rigide maintenue sur la durée (application de vibrations, déformation du boîtier) ;
  • fragilisation de la structure du collecteur du fait de la présence ou des contraintes de montage de l'échangeur ;
  • absence de canalisation du flux d'air à travers l'échangeur.
The various known solutions indicated above all have one or more of the following limitations:
  • complexification of assembly / assembly operations of the collector body due to the simultaneous integration of the exchanger;
  • management of several sealing zones or a large sealing zone;
  • significant modification of the manufacturing process of the collector;
  • implementation of separate assembly / fastening parts (eg screws);
  • assembly / fixing through the enclosure wall of the collector or module;
  • no guarantee of precise and reliable positioning of the exchanger in the collector;
  • no rigid connection between the collector and the exchanger or no rigid connection maintained over time (application of vibrations, deformation of the housing);
  • weakening of the collector structure due to the presence or assembly constraints of the exchanger;
  • no ducting of the air flow through the exchanger.

La présente invention a pour but de pallier au moins les principales limitations exposées ci-dessus, préférentiellement toutes.The present invention aims to overcome at least the main limitations set out above, preferably all.

A cet effet, l'invention a pour objet un module d'admission d'air pour moteur à combustion interne, présentant les caractéristiques de la revendication 1. Des caractéristiques supplémentaires et des variantes de réalisation ressortent des revendications 2 à 9.To this end, the subject of the invention is an air intake module for an internal combustion engine, having the features of claim 1. Additional features and alternative embodiments emerge from claims 2 to 9.

Enfin, l'invention porte également sur un procédé de fabrication du module précité.Finally, the invention also relates to a method of manufacturing the aforementioned module.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • Les figures 1A à 1C sont des représentations en perspective illustrant trois étapes consécutives du procédé de fabrication d'un module selon l'invention ;
  • La figure 2 est une vue en perspective selon un autre angle et en partie découpée du module représenté figure 1C ;
  • La figure 3 est une vue de détail à une autre échelle de la partie découpée représentée figure 2, et,
  • Les figures 4A et 4B sont des représentations schématiques partielles représentant d'autres variantes constructives du couvercle et de l'ouverture latérale du corps du collecteur représentés figures 1A à 1C.
  • Les figures 1C et 2 notamment montrent un module 1 d'admission d'air pour moteur à combustion interne, essentiellement constitué par un collecteur 2 ou répartiteur d'admission intégrant un échangeur de chaleur 4 avec des embouts 8 d'entrée et de sortie de fluide à l'une de ses extrémités.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • The Figures 1A to 1C are perspective representations illustrating three consecutive steps of the method of manufacturing a module according to the invention;
  • The figure 2 is a perspective view from another angle and partly cut away from the module shown figure 1C ;
  • The figure 3 is a detail view on another scale of the cut-out portion shown figure 2 and,
  • The Figures 4A and 4B are partial schematic representations representing other constructive variants of the cover and the lateral opening of the collector body shown Figures 1A to 1C .
  • The Figures 1C and 2 in particular show an air intake module 1 for an internal combustion engine, consisting essentially of a manifold 2 or intake manifold integrating a heat exchanger 4 with tips 8 inlet and outlet fluid to one from its ends.

Le corps creux 2' du collecteur 2 est composé d'au moins deux parties ou coques 3, 3' (préférentiellement formées chacune d'un seul tenant) assemblées entre elles au niveau de leurs bords en contact, le corps du collecteur 2 comprenant un volume profilé 2" pour la réception d'un échangeur de chaleur 4 de forme complémentaire. Ce volume débouche sur l'extérieur par une ouverture latérale 5 du corps de collecteur 2', adaptée pour une introduction par coulissement dudit échangeur 4 et préférentiellement ménagée sur un petit côté du corps 2' du collecteur (à savoir un côté du corps creux présentant une surface apparente nettement inférieure à celle des autres côtés).The hollow body 2 'of the collector 2 is composed of at least two parts or shells 3, 3' (preferably each formed in one piece) assembled together at their edges in contact, the collector body 2 comprising a 2 "profile volume for receiving a heat exchanger 4 of complementary shape.This volume opens on the outside by a lateral opening 5 of the collector body 2 ', adapted for sliding introduction of said exchanger 4 and preferably arranged on a small side of the body 2 'of the collector (namely a side of the hollow body having an apparent surface much lower than that of the other sides).

Ce corps 2' délimite avantageusement le plénum ou chambre de mélange / distribution du collecteur 2, comporte une ouverture d'alimentation 13 (éventuellement prolongée par un embout) et des tubulures ou conduits de sortie 13' débouchant dans et reliées à ce corps 2', éventuellement formées d'un seul tenant avec lui. Les tubulures 13' peuvent avantageusement être reliées entre elles par une platine de fixation 13" au niveau de leurs extrémités libres.This body 2 'advantageously delimits the plenum or mixing / distribution chamber of the collector 2, comprises a feed opening 13 (possibly extended by a nozzle) and tubing or outlet conduits 13' opening into and connected to this body 2 ' possibly formed in one piece with him. The pipes 13 'may advantageously be interconnected by a fixing plate 13 "at their free ends.

Le flux d'air entre par l'ouverture 13, traverse le plénum contenant l'échangeur 4 et est évacué par les tubulures 13'.The flow of air enters through the opening 13 passes through the plenum containing the exchanger 4 and is discharged through the pipes 13 '.

Conformément à l'invention, le module 1 est caractérisé en ce que l'ouverture latérale 5 du corps 2' du collecteur 2 est obturée par un couvercle 6 qui comporte des ouvertures de passages 7 pour les embouts 8 d'entrée et de sortie de l'échangeur 4. De plus, l'échangeur 4 est relié mécaniquement à chacune des parties constitutives 3, 3' et/ou à au moins deux portions de parois 3, 3' sensiblement planes de grande dimension du corps 2' du collecteur 2, en formant ainsi un élément structurel interne apte à renforcer l'assemblage mutuel des parties constitutives et/ou à augmenter la résistance aux contraintes de déformation auxquelles peuvent être soumises les parois desdites parties constitutives 3, 3' ou les portions de parois planes de grande dimension 3, 3' précitées.According to the invention, the module 1 is characterized in that the lateral opening 5 of the body 2 'of the collector 2 is closed by a cover 6 which has passage openings 7 for the end pieces 8 In addition, the heat exchanger 4 is mechanically connected to each of the constituent parts 3, 3 'and / or to at least two substantially planar wall portions 3, 3' of large dimensions. of the body 2 'of the collector 2, thus forming an internal structural element able to reinforce the mutual assembly of the component parts and / or to increase the resistance to deformation stresses to which the walls of said constituent parts 3, 3' or the flat wall portions of large dimension 3, 3 'above.

Grâce à ces différentes dispositions, il est possible de fournir un collecteur 2 intégrant un échangeur 4 sans porter sensiblement atteinte à l'intégrité structurelle du collecteur, sans modifier sensiblement son procédé de fabrication, en contribuant au renforcement de la rigidité structurelle du collecteur et en assurant un calage précis et un maintien solide dudit échangeur 4.Thanks to these different arrangements, it is possible to provide a collector 2 integrating an exchanger 4 without substantially impairing the structural integrity of the collector, without substantially modifying its manufacturing process, contributing to the reinforcement of the structural rigidity of the collector and ensuring accurate setting and solid retention of said exchanger 4.

En outre, une unique zone d'étanchéité, de faible dimension, est à gérer (entre l'ouverture 5 et le couvercle 6) lors de la fabrication. Le couvercle 6 pourra comporter, au niveau des ouvertures de passage 7, des moyens spécifiques d'étanchéité (par exemple des joints de compression, des structures coopérantes sur l'échangeur 4 et sur le couvercle 6, ...) autour des embouts 8 traversant lesdites ouvertures 7, ces zones d'étanchéité n'étant pas affectées par les opérations de montage et d'assemblage du module 1 (non représentés).In addition, a single sealing zone, of small size, is to be managed (between the opening 5 and the lid 6) during manufacture. The cover 6 may comprise, at the passage openings 7, specific sealing means (for example compression seals, cooperating structures on the exchanger 4 and on the cover 6, ...) around the end pieces 8 passing through said openings 7, these sealing zones not being affected by the assembly and assembly operations of the module 1 (not shown).

En accord avec un mode de réalisation préféré de l'invention, les moyens coopérants 9, 10 assurant le liaisonnement mécanique entre l'échangeur 4 et les parties constitutives 3, 3' ou les portions de paroi 3, 3' du collecteur 2, et s'étendant préférentiellement sur toute la longueur d'extension dudit échangeur 4 et dudit volume de réception 2", forment des obstacles à la circulation des gaz, avantageusement sensiblement étanche, par exemple par imbrication mutuelle de formes complémentaires ou conjuguées (formation de chicanes), l'échangeur 4 étant disposé sensiblement transversalement au flux gazeux circulant dans le collecteur 2 et divisant le volume intérieur de ce dernier en deux compartiments.According to a preferred embodiment of the invention, the cooperating means 9, 10 ensuring the mechanical bonding between the exchanger 4 and the constituent parts 3, 3 'or the wall portions 3, 3' of the collector 2, and extending preferably over the entire length of extension of said exchanger 4 and said receiving volume 2 ", form obstacles to the flow of gases, preferably substantially sealed, for example by mutual imbrication of complementary or conjugate forms (formation of baffles) , the exchanger 4 being disposed substantially transversely to the gas flow flowing in the collector 2 and dividing the internal volume of the latter into two compartments.

Les moyens coopérants 9, 10 réalisent ainsi une double fonction, à savoir de solidarisation de l'échangeur 4 avec le collecteur 2 à l'intérieur de ce dernier et de canalisation du flux de gaz circulant dans le collecteur 2 à travers l'échangeur 4.The cooperating means 9, 10 thus perform a dual function, namely to join the exchanger 4 with the collector 2 inside the latter and to channel the flow of gas flowing in the collector 2 through the exchanger 4 .

Afin que l'échangeur 4 puisse contribuer de manière optimale au renforcement structurel du collecteur 2, ledit échangeur 4 peut comprendre une armature support 11 sur et/ou dans laquelle sont montés les éléments fonctionnels 4' de l'échangeur 4 parcourus par le fluide de refroidissement, les moyens de liaisonnement 10 de l'échangeur 4 faisant partie de ou étant formés ou rapportés sur ladite armature 11 ou certains desdits éléments fonctionnels 4', par exemple sous forme de lames d'ailettes de conduit ou analogue.So that the exchanger 4 can contribute optimally to the structural reinforcement of the collector 2, said exchanger 4 may comprise a support armature 11 on and / or in which are mounted the functional elements 4 'of the exchanger 4 traversed by the fluid of cooling, the connecting means 10 of the exchanger 4 being part of or being formed or reported on said armature 11 or some of said functional elements 4 ', for example in the form of blades of duct fins or the like.

L'armature 11 présente avantageusement une structure apte à résister aux contraintes de compression et de traction, préférentiellement dans les différentes directions de sollicitation privilégiées des parties ou portions 3, 3', ce en fonction de l'orientation de l'échangeur 4 monté dans le collecteur 2.The armature 11 advantageously has a structure capable of withstanding the compressive and tensile stresses, preferably in the different preferred stressing directions of the parts or portions 3, 3 ', depending on the orientation of the exchanger 4 mounted in the collector 2.

Les liaisons mécaniques établies à travers le corps de l'échangeur 4, et le cas échéant à travers l'armature 11, du fait de la répartition spatiale des différents couples de moyens 9, 10 coopérants, peuvent, en fonction des contraintes et des sollicitations, agir pour le renforcement structurel du module 1 en traction et/ou en compression.The mechanical connections established through the body of the heat exchanger 4, and if necessary through the armature 11, due to the spatial distribution of the different pairs of cooperating means 9, 10, can, depending on the stresses and stresses acting for the structural reinforcement of the module 1 in tension and / or in compression.

Comme le montrent plus particulièrement les figures 2 et 3 des dessins annexés, il est avantageusement prévu que les parois des parties constitutives 3, 3' ou portions de parois 3, 3' de grande dimension comportent, sur leurs faces internes, des premières formations ou moulures 9 profilées sous la forme de rainures, nervures, ailes, rails ou analogues définissant entre elles, au moins partiellement, le volume profilé 2" et en ce que l'échangeur 4 comporte, au niveau de ses faces externes s'étendant selon sa direction d'extension profilée DP, des secondes formations ou moulures 10 profilées, continues ou non, de formes complémentaires ou conjuguées par rapport aux premières formations ou moulures 9, les premières et secondes formations ou moulures 9, 10 venant en engagement mutuel coopérant pour fournir une liaison mécanique avec faculté de coulissement dans la direction d'extension profilé DP de l'échangeur 4 et avec blocage en position dans un plan perpendiculaire à cette direction.As shown more particularly by figures 2 and 3 appended drawings, it is advantageously provided that the walls of the constituent parts 3, 3 'or large wall portions 3, 3' have, on their internal faces, first formations or moldings 9 profiled in the form of grooves, ribs , wings, rails or the like defining, at least partially, the profiled volume 2 "and in that the exchanger 4 comprises, at its outer faces extending along its profiled extension direction DP, second formations or shaped moldings, continuous or not, of complementary or conjugate shapes with respect to the first formations or moldings 9, the first and second formations or moldings 9, 10 coming into mutual engagement cooperating to provide a mechanical connection with the ability to slide in the direction profile extension DP of the exchanger 4 and with locking in position in a plane perpendicular to this direction.

Ainsi, la liaison mécanique entre l'échangeur 4 et le collecteur 2 s'établit automatiquement lors de l'engagement du premier cité dans le second cité, sans nécessiter d'opération de fixation ou d'assemblage supplémentaire.Thus, the mechanical connection between the exchanger 4 and the collector 2 is automatically established during the engagement of the first city in the second city, without requiring additional fixing or assembly operation.

En accord avec un mode de réalisation pratique préféré, mais non limitatif, les formations profilées 10 de l'échangeur 4, constituant les moyens de liaisonnement de ce dernier, consistent en des ailes latérales, par exemple sous forme de bords latéraux de plaques 11' supérieures et inférieures faisant partie de l'armature support 11, et les formations profilées 9 des parties ou portions de parois 3, 3' du corps 2' du collecteur 2, constituant les moyens de liaisonnement de ce dernier, consistent en des rainures ménagées sur ou dans les parois desdites parties constitutives ou portions de paroi 3, 3', et/ou en des ailes 9' guidant latéralement l'échangeur 4.In accordance with a preferred practical embodiment, but not limiting, the profiled formations 10 of the exchanger 4, constituting the means for bonding the latter, consist of lateral wings, for example in the form of side edges of plates 11 ' upper and lower portions forming part of the support armature 11, and the profiled formations 9 of the portions or wall portions 3, 3 'of the body 2' of the collector 2, constituting the means for bonding the latter, consist of grooves formed on or in the walls of said constituent parts or wall portions 3, 3 ', and / or in wings 9' guiding the exchanger 4 laterally.

Les rainures 9 peuvent, par exemple, être formées entre les parois des parties 3, 3' et des ailes profilées 9' formées depuis ces dernières et présentant une section en L ou en crochet.The grooves 9 may, for example, be formed between the walls of the parts 3, 3 'and profiled flanges 9' formed therefrom and having an L-shaped or hook-shaped section.

A titre d'exemple de réalisation pour un échangeur 4 à section carré ou rectangulaire, quatre ailes ou rainures 9, 9' peuvent être prévues pour coopérer avec les quatre arêtes longitudinales 10 de l'échangeur 4 en vue de son guidage et de son maintien (seules les deux ailes 9' situées du côté du corps du collecteur 4' attenant à l'ouverture d'entrée 13 sont représentées sur les figures 2 et 3).As an exemplary embodiment for an exchanger 4 of square or rectangular section, four wings or grooves 9, 9 'can be provided to cooperate with the four longitudinal edges 10 of the exchanger 4 for its guidance and maintenance (Only the two wings 9 'located on the side of the collector body 4' adjacent to the inlet opening 13 are shown on the figures 2 and 3 ).

Ainsi, les moyens de solidarisation 9, 10 entre l'échangeur 4 et le collecteur 2 sont réalisés lors de la fabrication des parties 3, 3' et de l'échangeur 4 et aucun moyen séparé de fixation et d'assemblage n'est nécessaire lors du montage et de l'assemblage du module 1.Thus, the securing means 9, 10 between the exchanger 4 and the collector 2 are made during the manufacture of the parts 3, 3 'and the exchanger 4 and no separate means of fixing and assembly is necessary when assembling and assembling module 1.

Les moyens coopérants 9 et 10 assurent avantageusement un montage par accrochage, avec blocage dans un plan perpendiculaire à la direction DP de l'échangeur 4 dans le corps 2'.The cooperating means 9 and 10 advantageously provide a mounting by hooking, with locking in a plane perpendicular to the direction DP of the exchanger 4 in the body 2 '.

Ce type de montage reliant mécaniquement entre elles les différentes portions de paroi 3, 3' du corps 2' portant les moyens 9 à travers l'échangeur 4, permet d'augmenter la résistance à la dilatation dudit corps 2' et, éventuellement, en fonction de la constitution dudit moyen 9, 10, également la résistance à la compression dudit corps 2'.This type of assembly mechanically interconnecting the various wall portions 3, 3 'of the body 2' carrying the means 9 through the exchanger 4 makes it possible to increase the resistance to expansion of said body 2 'and, possibly, function of the constitution of said means 9, 10, also the compressive strength of said body 2 '.

Afin de réaliser le blocage de l'échangeur 4 dans la direction d'extension DE du volume profilé 2", il peut être prévu, selon une caractéristique de l'invention ressortant notamment de la figure 2, que l'échangeur 4 vienne en butée, directement ou indirectement, contre une portion de paroi 12 du corps 2' du collecteur 2 opposée à l'ouverture latérale 5 et que le couvercle 6 verrouille le montage de l'échangeur 4 dans le volume profilé de réception 2".In order to achieve the blocking of the exchanger 4 in the extension direction DE of the profiled volume 2 ", it may be provided, according to a feature of the invention, in particular from the figure 2 , that the exchanger 4 comes into abutment, directly or indirectly, against a wall portion 12 of the body 2 'of the collector 2 opposite to the lateral opening 5 and that the lid 6 locks the assembly of the exchanger 4 in the receiving profile volume 2 ".

A cet effet, les faces internes du couvercle 6 et de la portion de paroi 12 peuvent comporter des formations présentant une configuration adaptée à la réception ou à la coopération des extrémités ou des parties d'extrémités longitudinales de l'échangeur 4 (éventuellement en des matériaux résilients).For this purpose, the inner faces of the cover 6 and the wall portion 12 may comprise formations having a configuration adapted to the reception or cooperation of the ends or longitudinal end portions of the exchanger 4 (optionally in resilient materials).

Comme le montrent les figures 1 et 2 des dessins annexés, le plan d'assemblage du couvercle 6 avec le bord 5' de l'ouverture latérale 5 peut être incliné par rapport à la direction DE d'extension profilée du volume de réception 2" de l'échangeur 4, correspondant à la direction de montage par coulissement dudit échangeur 4.As shown by figures 1 and 2 In the accompanying drawings, the assembly plane of the cover 6 with the edge 5 'of the lateral opening 5 can be inclined relative to the direction DE of profiled extension of the receiving volume 2 "of the exchanger 4, corresponding to the sliding mounting direction of said exchanger 4.

En variante, et comme le montrent les figures 4A et 4B, les bords 5' et 6' de formes complémentaires, respectivement de l'ouverture latérale 5 du corps creux 2' et du couvercle 6, peuvent éventuellement ne pas être situés dans un plan unique incliné, mais dans au moins deux plans différents dont l'un au moins est incliné ou perpendiculaire par rapport à la direction DE et dont au moins un autre est parallèle ou contient cette direction (à l'état monté du couvercle).Alternatively, and as shown by the Figures 4A and 4B the edges 5 'and 6' of complementary shapes, respectively of the lateral opening 5 of the hollow body 2 'and of the cover 6, may possibly not be situated in a single inclined plane, but in at least two different planes of which the at least one is inclined or perpendicular to the direction DE and at least one other is parallel or contains this direction (in the mounted state of the cover).

Dans les différentes variantes précitées, les bords 5' et 6' comportent des formations favorisant le blocage mécanique entre le corps 2' et le couvercle 6 (nervures / rainures) ou encore l'assemblage par soudure (vibrations, miroir ou autre).In the various aforementioned variants, the edges 5 'and 6' comprise formations promoting the mechanical locking between the body 2 'and the cover 6 (ribs / grooves) or the assembly by welding (vibration, mirror or other).

En tout état de cause, la géométrie d'assemblage est avantageusement conçue pour permettre de résister à des sollicitations selon différentes directions au niveau du couvercle 6.In any event, the assembly geometry is advantageously designed to withstand stresses in different directions at the lid 6.

En vue d'obtenir une étanchéité périphérique continue entre l'échangeur 4 et le collecteur 2, l'échangeur 4, d'une part, et le couvercle 6 et la portion de paroi 12 du corps 2' du collecteur 2 opposée à l'ouverture latérale 5, d'autre part, peuvent comporter des couples de moyens mutuellement coopérants d'étanchéification, par exemple du type [nervure/rainure], [joint/surface d'appui] ou analogue, assurant l'étanchéité périphérique autour de l'échangeur 4 dans ces deux zones.In order to obtain a continuous peripheral seal between the exchanger 4 and the collector 2, the exchanger 4, on the one hand, and the cover 6 and the wall portion 12 of the body 2 'of the collector 2 opposite to the lateral opening 5, on the other hand, may comprise pairs of mutually cooperating means of sealing, for example of the type [rib / groove], [seal / bearing surface] or the like, ensuring the peripheral seal around the exchanger 4 in these two areas.

Ainsi, le flux d'air, entrant par l'ouverture 13 et destiné à être distribué entre les tubulures 13' en sortie, est forcé de traverser en totalité l'échangeur 4 (canalisation du flux à travers ce dernier), d'où une efficacité augmentée en termes de refroidissement du flux circulant dans cet échangeur 4.Thus, the flow of air, entering through the opening 13 and intended to be distributed between the pipes 13 'at the outlet, is forced to completely traverse the exchanger 4 (channeling the flow through the latter), whence efficiency increased in terms of cooling the flow flowing in this exchanger 4.

L'invention a également pour objet, comme cela ressort partiellement des figures 1A à 1C, un procédé de fabrication d'un module 1 tel que décrit ci-dessus.The subject of the invention is also, as is partially apparent from Figures 1A to 1C , a method of manufacturing a module 1 as described above.

Ce procédé est caractérisé en ce qu'il consiste à fabriquer, d'une part, le corps 2' du collecteur 2 et, d'autre part, l'échangeur de chaleur 4, ledit corps 2' et l'échangeur 4 comportant des moyens coopérants 9, 10 destinés à assurer un liaisonnement mécanique entre l'échangeur 4 et les parties ou parois constitutives 3, 3' du corps 2' et à former des obstacles à la circulation des gaz, à mettre en place ledit échangeur 4 dans le volume profilé 2", par emboîtement par coulissement à travers l'ouverture latérale 5 et le long des moyens de liaisonnement coopérants 9, 10, à fournir et à monter un couvercle 6 sur l'échangeur 4 en l'enfilant sur les embouts 8 d'entrée et de sortie et, enfin, à solidariser ledit couvercle 6 avec le bord 5' de l'ouverture latérale 5 de manière à obturer cette dernière de manière étanche.This process is characterized in that it consists in producing, on the one hand, the body 2 'of the collector 2 and, on the other hand, the heat exchanger 4, said body 2' and the exchanger 4 comprising cooperating means 9, 10 for ensuring a mechanical bonding between the exchanger 4 and the constituent parts or walls 3, 3 'of the body 2' and to form obstacles to the flow of gases, to set up said exchanger 4 in the 2 "profile volume, by sliding engagement through the lateral opening 5 and along the cooperating bonding means 9, 10, to provide and assemble a cover 6 on the exchanger 4 by threading it on the end pieces 8 d inlet and outlet and, finally, to secure said cover 6 with the edge 5 'of the side opening 5 so as to close the latter sealingly.

Les moyens profilés de liaisonnement 9 du corps 2' délimitent entre eux un volume profilé s'étendant dans le prolongement de l'ouverture 5 et dans la direction DP, dont la section correspond sensiblement à celle de l'échangeur 4, préférentiellement de forme parallélépipédique allongée. Ces moyens 9 sont configurés et disposés pour une coopération mécanique ajustée avec les moyens de liaisonnement complémentaires 10 de l'échangeur 4 (tout en autorisant le coulissement selon DP).The profiled bonding means 9 of the body 2 'delimit between them a profiled volume extending in the extension of the opening 5 and in the direction DP, whose section substantially corresponds to that of the exchanger 4, preferably of parallelepiped shape elongate. These means 9 are configured and arranged for mechanical cooperation adjusted with the complementary bonding means 10 of the exchanger 4 (while permitting the sliding according to DP).

En accord avec une caractéristique supplémentaire de l'invention, les parties constitutives 3, 3' du corps 2' du collecteur 2, ainsi que le couvercle 6, sont réalisés en un matériau thermoplastique, éventuellement chargé, l'assemblage desdites parties 3, 3' entre elles et la fixation du couvercle 6 sur l'ouverture latérale 5 étant préférentiellement réalisés par soudure par vibration.In accordance with a further feature of the invention, the constituent parts 3, 3 'of the body 2' of the collector 2, as well as the cover 6, are made of a thermoplastic material, possibly loaded, the assembly of said parts 3, 3 between them and the fixing of the lid 6 on the lateral opening 5 being preferably made by vibration welding.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (10)

  1. Air intake module for an internal combustion engine essentially formed by an intake manifold or distribution manifold (2) integrating a heat exchanger (4) with fluid inlet and outlet nozzles (8) at one of its ends,
    the hollow body (2') of the intake manifold being composed of at least two parts or shells (3, 3') assembled together along their contacting edges, and comprising a profiled volume (2") for receiving a heat exchanger with a complementary shape, said volume opening to the outside through a lateral opening (5) of the body of the intake manifold (2') which is adapted for insertion by sliding of said exchanger and preferably arranged on a small side of the body of the intake manifold,
    the exchanger (4) also being connected to each of the constituent parts (3, 3') and/or to at least two substantially planar large dimension wall portions (3, 3') of the body (2') of the intake manifold (2), thus forming an internal structural element able to reinforce the mutual assembly of the constituent parts and/or increase resistance to restrictions of deformation to which the walls of said constituent parts (3, 3') can be subjected or the aforementioned portions of large dimension planar walls (3, 3'),
    the module (1) being characterised in that the lateral opening (5) of the body (2') of the intake manifold (2) is sealed by a cover (6) which comprises passage openings (7) for the inlet and outlet nozzles (8) of the exchanger (4), in that the exchanger (4) is connected mechanically to each of the constituent parts and/or wall portions (3, 3') and in that the cooperating means (9, 10) ensuring the mechanical connection between the exchanger (4) and the constituent parts (3, 3') or wall portions (3, 3') of the intake manifold (2) form obstacles to the circulation of gases, the exchanger (4) being arranged substantially transversely to the gas flow circulating in the intake manifold (2) and dividing the internal volume of the latter into two compartments.
  2. Module according to claim 1, characterised in that the cooperating means (9, 10) extend over the full length of extension of said exchanger (4) and said receiving volume (2") and form essentially sealed obstacles to the circulation of gases, for example by the mutual interlocking of complementary or joined forms.
  3. Module according to any one of claims 1 or 2, characterised in that the exchanger (4) comprises a support armature (11) on and/or in which the functional elements (4') of the exchanger (4) through which the cooling fluid flows are mounted, the connecting means (10) of the exchanger (4) forming part of or being formed or attached onto said armature (11) or some of said functional elements (4').
  4. Module according to any one of claims 1 to 3, characterised in that the walls of the constituent parts (3, 3') or wall portions (3, 3') of large dimension comprise on their internal faces first profiled formations or mouldings (9) in the form of grooves, ribs, flaps, rails or the like defining between them at least partly the profiled volume (2") and in that the exchanger (4) comprises on its external faces extending in its profiled direction of extension (DP) second profiled formations or mouldings (10) that are continuous or non-continuous, with complementary shapes or integrated in relation to the first formations or mouldings (9), the first and second formations or mouldings (9, 10) engaging in a mutually cooperating manner to provide a mechanical connection with the ability to slide in the profiled direction of extension (DP) of the exchanger (4) and locking in position in a plane perpendicular to this direction.
  5. Module according to claims 3 and 4, characterised in that the profiled formations (10) of the exchanger (4) forming the connecting means of the latter consist of lateral flaps, for example in the form of lateral edges of upper and lower plates (11') forming part of the support armature (11), and in that the profiled formations (9) of parts or portions of walls (3, 3') of the body (2') of the intake manifold (2) forming the connecting means of the latter consist of grooves arranged on or in the walls of said constituent parts or wall portions (3, 3').
  6. Module according to any one of claims 1 to 5, characterised in that the exchanger (4) abuts directly or indirectly against a wall portion (12) of the body (2') of the intake manifold (2) opposite the lateral opening (5), and in that the cover (6) locks the assembly of the exchanger (4) in the profiled receiving volume (2").
  7. Module according to any one of claims 1 to 6, characterised in that the assembly plane of the cover (6) with the edge (5') of the lateral opening (5) is inclined in relation to the profiled direction of extension (DE) of the receiving volume (2") of the exchanger (4), corresponding to the sliding mounting direction of said exchanger (4).
  8. Module according to claim 6, characterised in that the exchanger (4) one the one hand and the cover (6) and the wall portion (12) of the body (2') of the intake manifold (2) opposite the lateral opening (5) on the other hand comprise pairs of mutually cooperating sealing means, for example such as a rib/groove, joint/bearing surface or the like, ensuring peripheral sealing around the exchanger (4) in these two areas.
  9. Module according to any one of claims 1 to 8, characterised in that the constituent parts (3, 3') of the body (2') of the intake manifold (2), as well as the cover (6), are made from a thermoplastic material, possibly charged, the assembly of said parts (3, 3') with one another and the securing of the cover (6) onto the lateral opening (5) being preferably performed by vibration welding.
  10. Method of production of a module according to any one of claims 1 to 9, characterised on that it consists of producing on the one hand the body (2') of the intake manifold (2) and on the other hand the heat exchanger (4), said body (2') and exchanger (4) comprising cooperating means (9, 10) designed to ensure a mechanical connection between the exchanger (4) and the constituent parts or walls (3, 3') of the body (2') and forming obstacles to the circulation of gases, installing said exchanger (4) in the profiled volume (2") by fitting by sliding through the lateral opening (5) and along the cooperating connecting means (9, 10), providing and mounting a cover (6) on the exchanger (4) by threading it on the inlet and outlet nozzles (8) and, lastly joining said cover (6) to the edge (5') of the lateral opening (5) so as to seal the latter in an airtight manner.
EP13306429.5A 2012-10-19 2013-10-18 Intake module in form of an intake manifold with integrated heat exchanger Active EP2722517B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1259973A FR2997134B1 (en) 2012-10-19 2012-10-19 AIR INTAKE MODULE IN THE FORM OF AN INTAKE MANIFOLD INTEGRATING A HEAT EXCHANGER

Publications (3)

Publication Number Publication Date
EP2722517A1 EP2722517A1 (en) 2014-04-23
EP2722517B1 true EP2722517B1 (en) 2014-12-17
EP2722517B2 EP2722517B2 (en) 2018-07-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13306429.5A Active EP2722517B2 (en) 2012-10-19 2013-10-18 Intake module in form of an intake manifold with integrated heat exchanger

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EP (1) EP2722517B2 (en)
FR (1) FR2997134B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3054613B1 (en) 2016-07-29 2020-04-10 Sogefi Air & Refroidissement France INTAKE DISTRIBUTOR WITH INTEGRATED HEAT EXCHANGER
RU207741U1 (en) * 2021-07-08 2021-11-15 Общество С Ограниченной Ответственностью "Завод Сигнал" Combustion engine intake manifold

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476842A (en) 1982-09-20 1984-10-16 Allis-Chalmers Corporation Intercooler damper support
US4823868A (en) * 1988-05-26 1989-04-25 Deere & Company Intercooler and method of assembling the same
FR2645209B1 (en) * 1989-03-28 1991-07-19 Ecia Equip Composants Ind Auto COMPACT HEAT EXCHANGER-GAS DISTRIBUTOR DEVICE, IN PARTICULAR FOR A COMPRESSED HEAT ENGINE
DE4202077A1 (en) 1992-01-25 1993-07-29 Audi Ag Suction distributor for I.C engine - involves air cooler or charging air cooler integrated in manifold of suction distributor
FR2908832B1 (en) 2006-11-20 2011-08-26 Valeo Systemes Thermiques CARTER FOR HEAT EXCHANGER
FR2908833B1 (en) 2006-11-20 2011-06-17 Valeo Sys Controle Moteur Sas GAS ADMISSION DEVICE
DE202007012231U1 (en) 2007-08-31 2009-01-08 Mann+Hummel Gmbh Intake device intercooler unit for an internal combustion engine
FR2936572B1 (en) 2008-09-30 2013-03-29 Valeo Systemes Thermiques SUPPORT DEVICE FOR AN EXCHANGE BEAM OF A HEAT EXCHANGER AND HEAT EXCHANGER HAVING SUCH A DEVICE
FR2946397B1 (en) * 2009-06-09 2014-04-11 Mann & Hummel Gmbh AIR SUPPLY DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINE EQUIPPED WITH A TURBOCHARGER
DE102009025282A1 (en) 2009-06-15 2010-12-16 Behr Gmbh & Co. Kg Intake manifold with integrated intercooler
DE102009038592A1 (en) * 2009-08-26 2011-03-10 Behr Gmbh & Co. Kg Gas cooler for an internal combustion engine
DE102009050258B3 (en) 2009-10-21 2010-11-18 Mann + Hummel Gmbh Intake manifold for internal combustion engine, particularly for motor vehicle, has coolant intercooler arranged at opposite end of cooling fluid boxes

Also Published As

Publication number Publication date
FR2997134A1 (en) 2014-04-25
EP2722517A1 (en) 2014-04-23
EP2722517B2 (en) 2018-07-18
FR2997134B1 (en) 2020-11-27

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