EP1795732B1 - Gas heat exchanger, especially exhaust gas - Google Patents
Gas heat exchanger, especially exhaust gas Download PDFInfo
- Publication number
- EP1795732B1 EP1795732B1 EP06025329A EP06025329A EP1795732B1 EP 1795732 B1 EP1795732 B1 EP 1795732B1 EP 06025329 A EP06025329 A EP 06025329A EP 06025329 A EP06025329 A EP 06025329A EP 1795732 B1 EP1795732 B1 EP 1795732B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exchanger
- housing
- protrusions
- protuberances
- support plates
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000012809 cooling fluid Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
-
- 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
- F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
-
- 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
- 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
- F28F2275/00—Fastening; Joining
- F28F2275/08—Fastening; Joining by clamping or clipping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/04—Means for preventing wrong assembling of parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Chimneys And Flues (AREA)
Abstract
Description
La présente invention concerne un échangeur thermique pour gaz, en particulier les gaz d'échappement d'un moteur, du type comprenant une pluralité de conduits parallèles disposés à l'intérieur d'un boîtier, au moyen desquels les gaz devant être refroidis par échange thermique avec un fluide de refroidissement circulent, lesdits conduits étant couplés entre deux plaques de support fixées au niveau des deux extrémités dudit boîtier, et le boîtier ainsi que les plaques de support présentant une section sensiblement rectangulaire.The present invention relates to a heat exchanger for gas, in particular the exhaust gas of an engine, of the type comprising a plurality of parallel ducts arranged inside a housing, by means of which the gases to be cooled by exchange thermal circuit with a cooling fluid circulate, said conduits being coupled between two support plates fixed at both ends of said housing, and the housing and the support plates having a substantially rectangular section.
L'invention s'applique tout particulièrement à des échangeurs thermiques dont le boîtier, les plaques de support et les conduits parallèles présentent une section transversale sensiblement rectangulaire. De préférence, elle s'applique à des échangeurs thermiques de petite taille tels que des échangeurs de recirculation des gaz d'échappement d'un moteur (EGRC).The invention is particularly applicable to heat exchangers whose housing, support plates and parallel ducts have a substantially rectangular cross section. Preferably, it applies to small heat exchangers such as engine exhaust gas recirculation (EGRC) exchangers.
Dans certains échangeurs thermiques pour le refroidissement des gaz, par exemple ceux qui sont utilisés dans des systèmes de recirculation des gaz d'échappement jusqu'à l'admission d'un moteur à explosion, les deux moyens qui effectuent des échanges thermiques sont séparés par une paroi.In certain heat exchangers for cooling the gases, for example those used in exhaust gas recirculation systems until the admission of an internal combustion engine, the two means which carry out heat exchanges are separated by a wall.
Plus particulièrement, les gaz circulent dans un ensemble de tubes ou de conduits parallèles disposés à l'intérieur d'un boîtier et ils sont refroidis par échange thermique avec un fluide de refroidissement qui circule en dehors des conduits de passage des gaz.More particularly, the gases circulate in a set of tubes or parallel conduits arranged inside a housing and they are cooled by heat exchange with a cooling fluid which circulates outside the gas passage ducts.
Les tubes sont fixés au niveau de leurs extrémités entre deux plaques de support couplées à chaque extrémité du boîtier. Les deux plaques de support présentent une pluralité d'orifices pour le logement des tubes respectifs.The tubes are fixed at their ends between two support plates coupled to each end of the housing. The two support plates have a plurality of orifices for accommodating the respective tubes.
Les gaz sont amenés au moyen d'un faisceau de tubes de l'échangeur à partir d'un conduit d'admission ; dans la mesure où le diamètre du conduit d'admission est inférieur au diamètre du boîtier et du faisceau de tubes de l'échangeur, il existe entre ces derniers un réservoir d'admission qui est évacué progressivement.The gases are supplied by means of a bundle of tubes of the exchanger from an intake duct; insofar as the diameter of the intake duct is less than the diameter of the housing and the tube bundle of the exchanger, there exists between them an intake tank which is evacuated progressively.
On connaît des échangeurs thermiques dont le boîtier et les plaques de support présentent une section transversale sensiblement rectangulaire. Dans ce cas, le montage de l'échangeur consiste tout d'abord à assembler au préalable l'ensemble formé par le boîtier, la pluralité de tubes et les plaques de support. Par la suite, on poursuit par l'application sur ledit ensemble d'une pâte de soudure, l'assemblage des réservoirs à gaz et la soudure au four de l'échangeur thermique complet.Heat exchangers are known whose housing and support plates have a substantially rectangular cross section. In this case, the assembly of the exchanger consists first of all to assemble beforehand the assembly formed by the housing, the plurality of tubes and the support plates. Thereafter, it continues with the application on said assembly of a solder paste, the assembly of gas tanks and the oven welding of the complete heat exchanger.
Dans la pratique, il a été constaté que les plaques de support assemblées au préalable peuvent subir des déplacements non souhaités au cours du montage du reste des composants, dans la mesure où il n'existe ni soudure ni aucune union mécanique entre les plaques de support et le boîtier avant de mener à bien la soudure au four de la totalité de l'échangeur thermique.In practice, it has been found that the previously assembled support plates can undergo unwanted displacements during assembly of the remaining components, since there is no welding or mechanical union between the support plates. and the housing before carrying out the baking of the entire heat exchanger.
On connaît certaines solutions permettant d'immobiliser les plaques de support au cours de l'assemblage de l'échangeur thermique ; par exemple, les plaques de support peuvent présenter un rebord destiné à mettre en prise le contour du boîtier, ou encore les plaques de support sont mises en prise par le boîtier. Il est également possible d'utiliser la soudure au four ou la soudure au laser pour unir les deux composants.Some solutions are known for immobilizing the support plates during assembly of the heat exchanger; for example, the support plates may have a flange for engaging the contour of the housing, or the support plates are engaged by the housing. It is also possible to use baking or laser welding to join the two components together.
Dans le cas d'échangeurs thermiques dont le boîtier et les conduits présentent une section sensiblement circulaire, une solution connue consiste à effectuer des protubérances au moyen d'un outil servant de poinçon sur la plaque de support. D'une part, les protubérances permettent à l'opérateur d'identifier rapidement la face qui doit être située contre le boîtier, dans la mesure où ladite face est celle qui comprend les protubérances. D'autre part, lesdites protubérances ont également pour fonction d'éviter le mouvement relatif des plaques de support par rapport au boîtier au cours du montage avant la soudure au four. Il est possible d'obtenir cet effet grâce au contact par frottement des protubérances avec la zone périphérique du boîtier, dans la mesure où ces protubérances doivent être effectuées dans une zone proche de la périphérie des plaques de support.In the case of heat exchangers whose housing and ducts have a substantially circular section, a known solution is to make protrusions by means of a tool serving as a punch on the support plate. On one hand, the protuberances allow the operator to quickly identify the face to be located against the housing, insofar as said face is the one that includes the protuberances. On the other hand, said protuberances also have the function of preventing the relative movement of the support plates relative to the housing during the assembly before the welding in the oven. It is possible to achieve this effect through frictional contact of the protuberances with the peripheral zone of the housing, insofar as these protuberances must be made in an area near the periphery of the support plates.
Cependant, dans la pratique, il a été constaté qu'il est très difficile de mécaniser un boîtier présentant une section parfaitement circulaire, dans la mesure où il existe un risque en ce que certaines des protubérances peuvent se trouver en dehors de la zone périphérique du boîtier, ce qui a pour conséquence que les plaques de support se déplacent au cours du montage préalable à la soudure au four.However, in practice, it has been found that it is very difficult to mechanize a housing having a perfectly circular section, to the extent that there is a risk that some of the protuberances may be outside the peripheral zone of the case, which causes the support plates to move during pre-assembly to the baking process.
L'objet de la présente invention est de résoudre les inconvénients mentionnés ci-dessus, en développant un échangeur thermique qui permet d'immobiliser les plaques de support au cours du montage et de la soudure de l'échangeur.The object of the present invention is to solve the disadvantages mentioned above, by developing a heat exchanger which immobilizes the support plates during assembly and welding of the exchanger.
L'échangeur thermique pour gaz, en particulier les gaz d'échappement d'un moteur, objet de la présente invention, est du type comprenant une pluralité de conduits parallèles disposés à l'intérieur d'un boîtier, au moyen desquels les gaz devant être refroidis par échange thermique avec un fluide de refroidissement circulent, lesdits conduits étant couplés entre deux plaques de support fixées au niveau des deux extrémités dudit boîtier, et le boîtier ainsi que les plaques de support présentant une section sensiblement rectangulaire ; l'échangeur thermique est caractérisé en ce que chaque plaque de support comprend des protubérances disposées à proximité de sa zone périphérique, lesdites protubérances comprenant des reliefs susceptibles d'entrer en contact avec une superficie périphérique du boîtier.The gas heat exchanger, in particular the exhaust gas of an engine, object of the present invention, is of the type comprising a plurality of parallel ducts arranged inside a housing, by means of which the gases in front of being cooled by heat exchange with a cooling fluid circulate, said ducts being coupled between two support plates fixed at both ends of said housing, and the housing and the support plates having a substantially rectangular section; the heat exchanger is characterized in that each support plate comprises protuberances arranged near its peripheral zone, said protuberances comprising reliefs likely to come into contact with a peripheral surface of the housing.
De cette façon, grâce au frottement produit entre les protubérances et la superficie périphérique du boîtier, il est possible d'éviter tout mouvement non souhaité des plaques de support au cours de l'assemblage et de l'application de la soudure au four de l'échangeur thermique.In this way, thanks to the friction produced between the protuberances and the peripheral surface of the housing, it is possible to avoid any unwanted movement of the support plates during the assembly and application of the oven welding. 'heat exchanger.
De manière avantageuse, les protubérances sont disposées de façon symétrique sur chaque plaque de support. De cette façon, il est possible d'empêcher la rotation desdites plaques de support.Advantageously, the protuberances are arranged symmetrically on each support plate. In this way, it is possible to prevent the rotation of said support plates.
Selon un mode de réalisation de l'invention, chaque plaque de support comprend au moins quatre protubérances.According to one embodiment of the invention, each support plate comprises at least four protuberances.
De préférence, chaque plaque de support comprend six protubérances, quatre protubérances étant disposées au niveau de chaque coin de la plaque de support et les deux protubérances restantes étant disposées dans la zone médiane de deux latérales opposées.Preferably, each support plate comprises six protuberances, four protuberances being disposed at each corner of the support plate and the two remaining protuberances being disposed in the middle zone of two opposite sides.
De manière avantageuse, les reliefs des protubérances sont orientés vers l'intérieur de l'échangeur pour assembler les plaques de support avec le boîtier.Advantageously, the reliefs of the protuberances are oriented towards the inside of the exchanger to assemble the support plates with the housing.
De préférence, la hauteur des reliefs est de 0,5 mm avec une tolérance de +0,1 / -0,2 mm ; le diamètre des protubérances est de 2 mm avec une tolérance de +0 / -0,2 mm ; et la distance des protubérances par rapport au bord de la plaque de support est d'approximativement 1,05 mm avec une tolérance de +0,1 / -0 mm.Preferably, the height of the reliefs is 0.5 mm with a tolerance of +0.1 / -0.2 mm; the diameter of the protuberances is 2 mm with a tolerance of +0 / -0.2 mm; and the distance of the protuberances from the edge of the support plate is approximately 1.05 mm with a tolerance of +0.1 / -0 mm.
Afin de faciliter la description de ce qui a été exposé précédemment il est fait référence à un certain nombre de dessins sur lesquels, de manière schématique et uniquement à titre d'exemple non limitatif, il est représenté un cas pratique de mode de réalisation de l'échangeur thermique pour gaz, en particulier les gaz d'échappement d'un moteur, de l'invention, sur lesquels :
- la
figure 1 est une section longitudinale schématique de la zone d'admission d'un échangeur thermique de faisceau de tubes classique ; - la
figure 2 est une vue de face d'une plaque de support de section rectangulaire de l'échangeur thermique, montrant les protubérances qui immobilisent la plaque de support par rapport au boîtier de l'échangeur ; - la
figure 3 est une vue latérale de la plaque de support de la figure ; et - la
figure 4 est une vue large en section transversale d'une protubérance.
- the
figure 1 is a schematic longitudinal section of the intake zone of a conventional tube bundle heat exchanger; - the
figure 2 is a front view of a support plate of rectangular section of the heat exchanger, showing the protuberances which immobilize the support plate relative to the housing of the exchanger; - the
figure 3 is a side view of the support plate of the figure; and - the
figure 4 is a broad cross-sectional view of a protuberance.
Comme représenté sur la
Les gaz devant être refroidis entrent dans l'échangeur 1 à partir d'un conduit d'alimentation 5 et à travers un réservoir d'admission 6, qui est évacué progressivement.The gases to be cooled enter the
Le faisceau de tubes 3 est fixé par ses extrémités entre deux plaques de support 7 couplées à chaque extrémité du boîtier 2, la
De plus, chaque plaque de support 7 comprend un ensemble de protubérances 9 disposées à proximité de sa zone périphérique. Comme représenté sur les
Par la suite, les caractéristiques géométriques des protubérances 9 selon le présent mode de réalisation sont décrites :
- On effectue six
protubérances 9 distribuées de façon symétrique, quatreprotubérances 9 étant disposées à chaque coin de la plaque desupport 7 et les deuxautres protubérances 9 restantes étant disposées dans la zone médiane de deux latérales opposées. - Les
reliefs 10 desprotubérances 9 sont orientés vers l'intérieur de l'échangeur 1 pour assembler les plaques desupport 7 avec leboîtier 2. - La hauteur des
reliefs 10 est de 0,5 mm avec une tolérance de +0,1 / -0,2 mm. - Le diamètre des
protubérances 9 est de 2 mm avec une tolérance de +0 / -0,2 mm. - La distance des
protubérances 9 par rapport au bord de la plaque desupport 7 est d'approximativement 1,05 mm avec une tolérance de +0,1 / -0 mm.
- Six
protuberances 9 are distributed symmetrically, with fourprotuberances 9 being arranged at each corner of thesupport plate 7 and the remaining tworemaining protuberances 9 being arranged in the median zone of two opposite sides. - The
reliefs 10 of theprotuberances 9 are oriented towards the inside of theexchanger 1 to assemble thesupport plates 7 with thehousing 2. - The height of the
reliefs 10 is 0.5 mm with a tolerance of +0.1 / -0.2 mm. - The diameter of the
protuberances 9 is 2 mm with a tolerance of +0 / -0.2 mm. - The distance of the
protuberances 9 from the edge of thesupport plate 7 is approximately 1.05 mm with a tolerance of +0.1 / -0 mm.
Afin de procéder au montage de l'échangeur thermique 1, il faut tout d'abord procéder à l'assemblage préalable de l'ensemble formé par le boîtier 2, la pluralité de tubes 3 et les plaques de support 7. Par la suite, on procède à l'application sur ledit ensemble d'une pâte de soudure, l'assemblage des réservoirs à gaz 6 et la soudure au four de l'échangeur thermique 1 complet.In order to proceed with the assembly of the
Grâce au frottement produit entre les protubérances 9 et la superficie périphérique 11 du boîtier 2, il est possible d'immobiliser les plaques de support 7, évitant tout déplacement non souhaité desdites plaques 7 au cours dudit assemblage préalable, ainsi qu'au cours du montage du reste des composants et de la soudure au four finale.Thanks to the friction produced between the
Claims (8)
- Heat exchanger (1) for gas, particularly the exhaust gases from an engine, which comprises a plurality of parallel canals (3) arranged inside a housing (2) and by means of which the gases that are to be cooled by exchange of heat with a cooling fluid circulate, the said canals (3) being coupled between two backing plates (7) which are fixed at the two ends of the said housing (2), and the housing (2) and the backing plates (7) having a substantially rectangular cross section, characterized in that each backing plate (7) comprises protrusions (9) arranged near its peripheral region, the said protrusions (9) having reliefs (10) able to come into contact with a peripheral surface area (11) of the housing (2).
- Exchanger (1) according to Claim 1, characterized in that the protrusions (9) are arranged symmetrically on each backing plate (7).
- Exchanger (1) according to Claim 1 or 2, characterized in that each backing plate (7) comprises at least four protrusions (9).
- Exchanger (1) according to Claim 3, characterized in that each backing plate (7) comprises six protrusions (9), four protrusions (9) being arranged one at each corner of the backing plate (7) and the remaining two protrusions (9) being arranged in the middle region of two opposite laterals.
- Exchanger (1) according to any one of the preceding claims, characterized in that the reliefs (10) of the protrusions (9) are directed towards the inside of the exchanger (1) so as to assemble the backing plates (7) with the housing (2).
- Exchanger (1) according to any one of the preceding claims, characterized in that the height of the reliefs (10) is 0.5 mm with a tolerance of +0.1/-0.2 mm.
- Exchanger (1) according to any one of the preceding claims, characterized in that the diameter of the protrusions (9) is 2 mm with a tolerance of +0/-0.2 mm.
- Exchanger (1) according to any one of the preceding claims, characterized in that the distance of the protrusions (9) from the edge of the backing plate (7) is approximately 1.05 mm, with a tolerance of +0.1/-0 mm.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200503024A ES2315067B1 (en) | 2005-12-09 | 2005-12-09 | HEAT EXCHANGER FOR GASES, ESPECIALLY OF EXHAUST GASES OF AN ENGINE. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1795732A1 EP1795732A1 (en) | 2007-06-13 |
EP1795732B1 true EP1795732B1 (en) | 2010-09-29 |
Family
ID=37913563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06025329A Active EP1795732B1 (en) | 2005-12-09 | 2006-12-07 | Gas heat exchanger, especially exhaust gas |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070131400A1 (en) |
EP (1) | EP1795732B1 (en) |
AT (1) | ATE483104T1 (en) |
DE (1) | DE602006017158D1 (en) |
ES (2) | ES2315067B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9403204B2 (en) * | 2010-01-29 | 2016-08-02 | Modine Manufacturing Company | Heat exchanger assembly and method |
US8978740B2 (en) | 2006-06-22 | 2015-03-17 | Modine Manufacturing Company | Heat exchanger |
DE102009020306A1 (en) * | 2008-05-12 | 2010-02-11 | Modine Manufacturing Co., Racine | Heat exchanger and method of assembly |
DE102012012939A1 (en) * | 2012-06-29 | 2014-04-24 | Mann + Hummel Gmbh | Heat exchanger for cooling a fluid of an internal combustion engine, arrangement with at least one heat exchanger and method for producing a heat exchanger |
DE102015219627A1 (en) * | 2015-10-09 | 2017-04-13 | Röchling Automotive SE & Co. KG | Fresh gas supply channel |
ES2724915A1 (en) * | 2018-03-16 | 2019-09-17 | Valeo Termico Sa | HEAT EXCHANGER FOR GASES AND ASSEMBLY PROCEDURE OF A HEAT EXCHANGER (Machine-translation by Google Translate, not legally binding) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2050325B1 (en) * | 1969-07-23 | 1973-12-21 | Chausson Usines Sa | |
DE3110489C2 (en) * | 1981-03-18 | 1984-07-19 | Kühlerfabrik Längerer & Reich GmbH & Co KG, 7024 Filderstadt | Heat exchanger |
US5048596A (en) * | 1990-01-02 | 1991-09-17 | Mccord Heat Transfer Corporation | Oil cooler |
JP3781386B2 (en) * | 1996-05-22 | 2006-05-31 | 臼井国際産業株式会社 | EGR gas cooling device |
JP4622150B2 (en) * | 2001-04-26 | 2011-02-02 | 株式会社デンソー | Heat exchanger |
DE10359806A1 (en) * | 2003-12-19 | 2005-07-14 | Modine Manufacturing Co., Racine | Heat exchanger with flat tubes and flat heat exchanger tube |
-
2005
- 2005-12-09 ES ES200503024A patent/ES2315067B1/en active Active
-
2006
- 2006-12-07 DE DE602006017158T patent/DE602006017158D1/en active Active
- 2006-12-07 EP EP06025329A patent/EP1795732B1/en active Active
- 2006-12-07 AT AT06025329T patent/ATE483104T1/en not_active IP Right Cessation
- 2006-12-07 ES ES06025329T patent/ES2355484T3/en active Active
- 2006-12-08 US US11/635,835 patent/US20070131400A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE483104T1 (en) | 2010-10-15 |
ES2355484T3 (en) | 2011-03-28 |
ES2315067A1 (en) | 2009-03-16 |
US20070131400A1 (en) | 2007-06-14 |
EP1795732A1 (en) | 2007-06-13 |
DE602006017158D1 (en) | 2010-11-11 |
ES2315067B1 (en) | 2009-11-10 |
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