EP2041419B1 - Dispositif de refroidissement des gaz d'échappement destiné en particulier à un véhicule à moteur - Google Patents

Dispositif de refroidissement des gaz d'échappement destiné en particulier à un véhicule à moteur Download PDF

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Publication number
EP2041419B1
EP2041419B1 EP07765061.2A EP07765061A EP2041419B1 EP 2041419 B1 EP2041419 B1 EP 2041419B1 EP 07765061 A EP07765061 A EP 07765061A EP 2041419 B1 EP2041419 B1 EP 2041419B1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
housing
gas cooler
seal
outlet
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.)
Not-in-force
Application number
EP07765061.2A
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German (de)
English (en)
Other versions
EP2041419A1 (fr
Inventor
Peter Geskes
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Mahle Behr GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mahle Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2041419A1 publication Critical patent/EP2041419A1/fr
Application granted granted Critical
Publication of EP2041419B1 publication Critical patent/EP2041419B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • 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
    • F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
    • 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
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • 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
    • F02M26/32—Liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass

Definitions

  • the present invention relates to an exhaust gas cooler, in particular for a motor vehicle, according to the preamble of claim 1.
  • the FIG. 1 out DE 20316688 U1 discloses such exhaust gas cooling.
  • exhaust gas recirculation is increasingly used to reduce the emission of pollutants, with the recirculated exhaust gas, which in the context of the invention is also understood to mean an exhaust gas / air mixture, being necessarily cooled.
  • exhaust gas coolers place high demands on the temperature resistance of the materials used.
  • it is generally desirable to form parts such as a coolant-carrying housing made of a material that can be inexpensively, easily and inexpensively brought into elaborate form.
  • DE 10 2004 045 016 A1 describes an exhaust gas cooler for a motor vehicle, in which a block of exchanger tubes is in each case accommodated in end pieces in bottom sections, which are in turn connected on the one hand to an inlet diffuser and on the other hand to an outlet diffuser.
  • This arrangement is mounted in a plastic housing, wherein the plastic housing rests radially on the inlet diffuser and abuts axially on the outlet-side bottom piece, wherein the outlet-side bottom piece is fixed by means of a flanging on the plastic housing.
  • Such an arrangement is problematic in terms of assembly costs and the heat input of hot exhaust gas into the plastic housing in particular in the inlet area.
  • this preassembled unit also comprises the outlet diffuser, so that no more welding work in the immediate vicinity of the housing with the risk of heat input are required after the housing assembly. As a result, the reject rate in the production of the exhaust gas cooler is significantly reduced.
  • the inlet diffuser is held by at least one fastening means, in particular a screw, in a substantially axial direction against the housing, wherein the first and the second seal are subjected to force by the holder.
  • the fastening means is partially guided in a sleeve which has a collar of the Passes through housing.
  • the first seal is a high temperature resistant seal, in particular of metal.
  • the second seal has a temperature resistance up to at least about 200 ° C, wherein the second seal is made in particular of silicone.
  • the second seal may be a metal seal or made of another suitable material.
  • a third seal is provided between the housing and at least one of the two, the exit-side bottom piece or the outlet diffuser.
  • the third seal is subjected to force substantially perpendicular to the axial direction.
  • a simple assembly by inserting a prefabricated unit into the housing can generally be carried out, wherein in addition a large thermal change in length of the various components of the exhaust gas cooler can be compensated.
  • the third seal is slidably received for this purpose in the axial direction, so that a thermal expansion of the exhaust gas cooler in this direction can be compensated.
  • the exit-side bottom piece has a substantially extending in the axial direction Abkragung.
  • Such Abkragung can support the housing in a simple manner, the bottom piece and its Abkragung are in direct contact with the coolant, so that there is no danger of harmful heat input into the housing material in this region of the system of the housing with the outlet side bottom piece.
  • the housing is provided with an exit-side end region via a fastening means, in particular a screw, at least one of the two, exit-side bottom piece or outlet diffuser set.
  • a fastening means in particular a screw, at least one of the two, exit-side bottom piece or outlet diffuser set.
  • the fastening means can also be a rivet, a clamp, a bead, a revolving tire or the like.
  • the housing has a form-fitting structure, in particular a taper, at an exit-side end region, wherein the outlet diffuser is positively supported against the structure.
  • a third seal is arranged between the positive-locking structure and the outlet diffuser.
  • a sticking agent is arranged on the outlet diffuser, wherein the holding means is connected to an outlet-side end region of the housing.
  • the holding means comprises at least one resilient sheet metal, wherein the sheet is fixed in an elastically biased state at the end portion of the housing.
  • the housing is at least partially made of a plastic from the group polyamide (PA).
  • PA group polyamide
  • PPA Polyphtalamide
  • PPS polyphenylene selenide
  • the cooler may be inserted into an aluminum casting module or housing, which for example attached to a motor, as is preferably bolted.
  • an aluminum casting module or housing which for example attached to a motor, as is preferably bolted.
  • a preferred embodiment is characterized in that a holding means is arranged on the outlet diffuser, wherein the holding means is connectable to an exit-side end portion of the housing, wherein preferably the holding means comprises at least one resilient sheet, wherein the sheet in an elastically biased state at the end portion of the housing is fixed, wherein particularly preferably the retaining means is slidable over the outlet diffuser and positively held by the outlet diffuser.
  • a further preferred embodiment is characterized in that the housing consists at least partially of a plastic from the group polyamide (PA), polyphthalamide (PPA) and polyphenylene sulfide (PPS).
  • PA polyamide
  • PPA polyphthalamide
  • PPS polyphenylene sulfide
  • a further preferred embodiment is characterized in that the housing is part of an entire module or entire housing, which is directly or indirectly fastened to a motor, in particular as can be screwed to the motor.
  • the exhaust gas cooler according to Fig. 1 includes an inlet with respect to the exhaust gas inlet inlet diffuser 1, which in the present case a known per se actuator 2 for the selective distribution of the exhaust gas flow to exchanger tubes and / or a bypass channel.
  • the actuator 2 is optional and is mainly used in internal combustion engines in passenger cars.
  • a bundle of parallel exchanger tubes 3 is welded at each of the ends of the exchanger tubes to an inlet-side bottom piece 4 and corresponding to an outlet-side bottom piece 5.
  • the exchanger tubes 3 and the bottom pieces 4, 5 each consist of a non-susceptible steel or other suitable for guiding a hot exhaust gas stream material.
  • a conically tapered outlet diffuser 6 is welded.
  • a housing 7 of the exhaust gas cooler consists of a plastic and surrounds the bundle of exchanger tubes 3, wherein the housing 7 is sealed on the one hand with respect to the inlet side bottom piece 4 and on the other hand with respect to the outlet side bottom piece 5 so that the housing 7, bottom pieces 4, 5 and the exchanger tubes in total delimiting a volume to guide a coolant.
  • the housing 7 has an inlet 7a and an outlet 7b for the coolant, so that the housing 7 can be flowed through by the coolant, in particular the coolant of a main cooling circuit of an internal combustion engine of the motor vehicle.
  • both the walls of the exchanger tubes 3 and with respect to the enclosed volume inner surfaces of the bottom pieces 4, 5 with the coolant in direct contact.
  • the exhaust gas cooler is of the type according to an I-flow cooler, in which the exchanger tubes 3 are substantially straight and are arranged parallel to one another. Through the exchanger tubes 3 and the flow direction of the exhaust gas through the tubes an axial direction of the exhaust gas cooler is defined.
  • the inlet side bottom piece 4 and the housing 7 in the axial direction kraftbeetzschlagt by means of a first seal 8 and a second seal 9 sealingly fixed to each other.
  • the inlet-side bottom piece 4 has a radial Abkragung 4a, on the exhaust side, the first seal 8 and the coolant side, the second seal 9 is placed.
  • the Abkragung 4a and the seals 8, 9 have grooves, beads, cutting or other known means for positioning and sealing.
  • the housing 7 is attached by means of a formed on it Abkragung 7c.
  • the Abkragitch 1 a, 4 a, 7 c have overlapping perforations or holes that are penetrated by trained as screws with nuts fasteners 10. Distributed over the circumference several screws 10 are provided for secure fixing.
  • the fastener may also be a rivet, staple or other suitable means.
  • a sleeve is also inserted into the openings, which passes through the opening of the collar of the housing 7c and rests on the collar of the bottom piece 4a.
  • the first seal 8 is a metal gasket, for. Example of copper or another temperature-resistant metal with respect to the inlet temperature of the exhaust gas.
  • the second seal 9 is a silicone gasket which is temperature resistant up to a temperature of about 200 ° C. Due to the sleeve, not shown, tightening the screw 10 by means of a nut and possibly provided washers to a summary compression of the housing collar 7c and second seal 9 by a stroke defined by the sleeve dimension, so that the soft materials of the housing and the second seal 9 are not overloaded.
  • the metal seal 8, however, can be pressed with a higher force, which is given by the tightening torque of the screw. Overall, the sealing of inlet diffuser 1, bottom piece 4 and inlet end of the housing 7 thus takes place in the axial direction.
  • a circumferential nose 7e of the housing arranged in the exit direction behind the seal 11 snaps into a corresponding groove or groove 5b of the bottom piece 5 in order to reduce any possible vibration of the parts of the exhaust gas cooler relative to one another.
  • the housing 7 has over its entire length a free passage cross-section, wherein the bottom piece 5 does not collide with its Abkragung 5a and the outlet diffuser 6 with this free cross-section.
  • the first seal 8 is placed on the first bottom piece 4, the inlet diffuser 1 is placed and the screws 10 are inserted and tightened with the sleeves.
  • the radial sealing of the collar 5a of the bottom piece 5 relative to the housing 7 by means of the third seal 11 also allows compensation of thermal expansion of the exchanger tubes 3 relative to the housing 7.
  • the seal 11, in the groove 7d in the axial direction relative to the housing 7 is fixed, slide on the collar 5 a of the bottom piece 5. It can also be provided that the seal 11 is fixed relative to the collar 5a and slides relative to the housing 7 or slides with respect to both elements.
  • the exit-side end portion of the housing 7 is similar to the second embodiment secured by screws 12, the screws 12 are screwed into nuts 13 which are fixed on a conical wall portion 6a of the outlet diffuser 6, in particular by welding.
  • the material thickness of the outlet diffuser 6 it may also be blind thread in the wall 6a.
  • An execution as in Fig. 3 it is advantageous if the material thicknesses of, for example, the bottom piece 5 are not sufficient to provide screw thread.
  • a positive-locking structure at its outlet end portion which in the present case as a taper 14th of the housing 7 is formed.
  • the taper 14 corresponds to a conical portion 6a of the wall of the outlet diffuser 6.
  • a gasket 11a is inserted into a housing groove.
  • the gasket 11a may be provided alternatively or in addition to the third gasket 11 of the first embodiment.
  • the exhaust gas outlet side has a significantly lower temperature than the inlet side. Typical temperature values for the inlet-side exhaust gas are 600 ° C to 700 ° C, whereas the outlet-side exhaust gas has temperatures of typically 150 ° C to 160 ° C.
  • the heating of the outlet diffuser 6 is therefore limited, so that the housing 7 and an elastic, possibly made of silicone seal 11a may rest against the wall 6a, without being destroyed.
  • Particularly uncritical is the principle of the fourth embodiment in the case in which the housing 7 is made of aluminum.
  • the seal 11a may also be arranged on the adjacent flange of the cylindrical segment of the outlet diffuser, so that then the housing then further down to nearer to the connection flange extends and surrounds a portion of the cylindrical segment. As a result, thermal expansions of the radiator block can be further compensated.
  • the housing 7 and the outlet side has a radial Abkragung 15 on which by means of screws 16 resilient plates 17 are fixed, which are fixed to the circumference of a wall 6a of the outlet diffuser 6.
  • the elastic sheets 17 can in principle be welded into the housing 7 on the wall 6a after the assembly has been pushed in, since the latter is far away from the housing 7.
  • the sheets 17 are fixed as shown by the dotted lines before inserting the unit into the housing 7 on the wall 6a and bent so that they first free Do not cover the cross-section of the housing 7. Only after inserting the structural unit into the housing 7, they are in accordance with the arrows in Fig. 5 bent elastically and fastened by means of screws 16 on the collar 15. As a result, the housing 7 is securely held in the exit-side end region with respect to the outlet diffuser 6 and the bottom piece 5, wherein due to the spring elasticity of the sheets 17 there is still a good compensating thermal expansion.
  • the sixth embodiment according to Fig. 6 is similar in its construction to the fifth embodiment, instead of the resilient plates now a holding means 18 is pushed over the outlet diffuser 6 and bolted to the Abkragung 15 of the housing 7.
  • the holding means 18 is formed as a rotationally symmetrical funnel, which rests with its smaller opening circumferentially on a conical wall 6a of the outlet diffuser 6. This also makes it possible to mount the outlet-side end region of the housing 7 in an elastically flexible manner relative to the bottom piece 5 and the outlet diffuser 6.

Claims (15)

  1. Refroidisseur de gaz d'échappement, en particulier pour un véhicule automobile, comprenant
    un diffuseur d'entrée (1) servant à l'alimentation d'un flux de gaz d'échappement,
    une zone d'échangeur comprenant une pluralité de tubes d'échangeur (3) s'étendant dans une direction axiale, où les tubes d'échangeur (3) sont logés, au niveau de l'une de leurs extrémités, sur une première pièce de fond (4) côté entrée, et, au niveau de leur autre extrémité, sur une deuxième pièce de fond (5) côté sortie,
    un diffuseur de sortie (6) servant à l'évacuation du flux de gaz d'échappement et placé à l'opposé du diffuseur d'entrée (1), et
    un carter (7) traversé par un moyen de refroidissement, où le carter (7) se compose d'un matériau non résistant à des températures élevées, se composant en particulier de matière plastique ou d'aluminium,
    caractérisé en ce qu'un premier joint d'étanchéité (8) servant à assurer l'étanchéité des gaz d'échappement, par rapport à l'environnement, est disposé entre le diffuseur d'entrée (1) et la première pièce de fond (4), un deuxième joint d'étanchéité (9) assurant l'étanchéité du moyen de refroidissement, par rapport à l'environnement, étant disposé entre la première pièce de fond (4) et le carter (7).
  2. Refroidisseur de gaz d'échappement selon la revendication 1, caractérisé en ce que la première pièce de fond (4), la deuxième pièce de fond (5) et les tubes d'échangeur (3) forment un ensemble prémonté, en particulier soudé, qui peut être introduit dans le carter (7) suivant la direction axiale.
  3. Refroidisseur de gaz d'échappement selon la revendication 2, caractérisé en ce que l'ensemble prémonté comprend en outre le diffuseur de sortie (6).
  4. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que le diffuseur d'entrée (1) est tenu, dans une direction pratiquement axiale par rapport au carter (7), par au moins un moyen de fixation (10), en particulier une vis, où les premier et deuxième joints d'étanchéité (8, 9) sont soumis à une force exercée par la fixation.
  5. Refroidisseur de gaz d'échappement selon la revendication 4, caractérisé en ce que le moyen de fixation (10) est partiellement guidé dans un manchon qui traverse un rebord (7c) du carter.
  6. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier joint d'étanchéité (8) est un joint d'étanchéité résistant à des températures élevées, étant en particulier en métal.
  7. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième joint d'étanchéité (9) présente une tenue en température allant jusqu'à au moins 200°C environ, où le deuxième joint d'étanchéité est en particulier en silicone.
  8. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un troisième joint d'étanchéité (11) disposé entre le carter (7) et au moins l'un des deux composants, à savoir la pièce de fond (5) côté sortie ou le diffuseur de sortie (6).
  9. Refroidisseur de gaz d'échappement selon la revendication 8, caractérisé en ce que le troisième joint d'étanchéité (11) est soumis à une force s'exerçant pratiquement de façon perpendiculaire à la direction axiale.
  10. Refroidisseur de gaz d'échappement selon la revendication 8 ou 9, caractérisé en ce que le troisième joint d'étanchéité (11) est logé en pouvant glisser dans la direction axiale, de sorte qu'une dilatation thermique du refroidisseur de gaz d'échappement peut être compensée.
  11. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de fond (5) côté sortie présente une partie biseautée (5a) s'étendant pratiquement dans la direction axiale.
  12. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que le carter (7) comportant une zone d'extrémité côté sortie est fixé par un moyen de fixation (12), en particulier une vis, sur au moins l'un des deux composants, à savoir la pièce de fond (5) côté sortie ou le diffuseur de sortie (6).
  13. Refroidisseur de gaz d'échappement selon l'une quelconque des revendications précédentes, caractérisé en ce que le carter (7) présente, au niveau d'une zone d'extrémité côté sortie, une structure à complémentarité de forme, en particulier une conicité, où le diffuseur de sortie (6) est en appui contre la structure, par complémentarité de forme.
  14. Refroidisseur de gaz d'échappement selon la revendication 13, caractérisé en ce qu'un troisième joint d'étanchéité (1a) se trouve ou est disposé entre la structure à complémentarité de forme et le diffuseur de sortie (6).
  15. Refroidisseur de gaz d'échappement selon la revendication 14, caractérisé en ce que le joint d'étanchéité (11a) est disposé sur le segment conique et / ou cylindrique du diffuseur de sortie.
EP07765061.2A 2006-07-06 2007-07-05 Dispositif de refroidissement des gaz d'échappement destiné en particulier à un véhicule à moteur Not-in-force EP2041419B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006031611 2006-07-06
PCT/EP2007/005938 WO2008003486A1 (fr) 2006-07-06 2007-07-05 Dispositif de refroidissement des gaz d'échappement destiné en particulier à un véhicule à moteur

Publications (2)

Publication Number Publication Date
EP2041419A1 EP2041419A1 (fr) 2009-04-01
EP2041419B1 true EP2041419B1 (fr) 2016-09-07

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EP07765061.2A Not-in-force EP2041419B1 (fr) 2006-07-06 2007-07-05 Dispositif de refroidissement des gaz d'échappement destiné en particulier à un véhicule à moteur

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EP (1) EP2041419B1 (fr)
DE (1) DE102007031419A1 (fr)
WO (1) WO2008003486A1 (fr)

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JP2000088477A (ja) * 1998-09-14 2000-03-31 Calsonic Corp Ｅｇｒガス冷却装置
FR2792968B1 (fr) * 1999-04-29 2001-06-29 Westaflex Automobile Echangeur thermique en plastique et acier destine a etre dispose dans un circuit d'admission d'air d'un moteur, notamment dans un repartiteur comportant deux chambres et element du circuit d'admission d'air d'un moteur
DE50111008D1 (de) * 2001-07-18 2006-10-26 Cooper Standard Automotive D Kühler eines Abgasrückführsystems sowie Abgasrückführsystem mit einem derartigen Kühler
ES2209618B1 (es) * 2002-05-28 2005-08-16 Estampaciones Noroeste, S.A. Intercambiador de calor para un sistema "egr" con un conducto de derivacion integrado.
DE20316688U1 (de) * 2003-10-29 2004-03-11 Behr Gmbh & Co. Kg Wärmetauscher

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WO2008003486A1 (fr) 2008-01-10
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