DE102008028244B3 - Exhaust gas heat exchanger - Google Patents
Exhaust gas heat exchanger Download PDFInfo
- Publication number
- DE102008028244B3 DE102008028244B3 DE102008028244A DE102008028244A DE102008028244B3 DE 102008028244 B3 DE102008028244 B3 DE 102008028244B3 DE 102008028244 A DE102008028244 A DE 102008028244A DE 102008028244 A DE102008028244 A DE 102008028244A DE 102008028244 B3 DE102008028244 B3 DE 102008028244B3
- Authority
- DE
- Germany
- Prior art keywords
- beads
- heat exchanger
- bead
- exhaust gas
- cooling cassette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- F28D7/10—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 one within the other, e.g. concentrically
- F28D7/106—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 one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
-
- 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
-
- 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
- F28D7/1684—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 the conduits having a non-circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
-
- 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
- F28F2225/00—Reinforcing means
- F28F2225/02—Reinforcing means for casings
Abstract
Der Abgaswärmetauscher weist eine rohrförmige Kühlkassette (1a) aus Edelstahl auf. Die Kühlkassette (1a) ist aus einer gestanzten, zu einem mehrkantigen Rohr umgeformten und längsnahtgeschweißten Platine gebildet. In mindestens zwei einander gegenüberliegenden Seitenwänden (20, 21) der Kühlkassette (1a) sind von innen nach außen geprägte Sicken (5, 11, 15, 16) vorgesehen.The exhaust gas heat exchanger has a tubular cooling cassette (1a) made of stainless steel. The cooling cassette (1a) is formed from a stamped, formed into a polygonal tube and longitudinally welded blank. In at least two mutually opposite side walls (20, 21) of the cooling cassette (1a) embossed from the inside outward beads (5, 11, 15, 16) are provided.
Description
Die Erfindung betrifft einen Abgaswärmetauscher mit einer rohrförmigen Kühlkassette aus Stahlblech gemäß den Merkmalen im Oberbegriff des Anspruchs 1.The The invention relates to an exhaust gas heat exchanger with a tubular cooling cassette made of sheet steel according to the characteristics in the preamble of claim 1.
Ein derartiger Abgaswärmetauscher wird im Motorenbau eingesetzt. Bei einem bekannten Abgaswärmetauscher wird die Kühlkassette aus einem von einem Rechteckrohr abgeteilten Längenabschnitt gebildet. Aufgrund der vorgegebenen Querschnittsform des Rechteckrohrs ist die Praxis mithin hieran gebunden und folglich hinsichtlich des zur Verfügung stehenden Einbauraums eingeschränkt. Ferner ist auf Grund der Rohrform die Variationsbreite für die Festlegung von Anschlüssen und/oder Anbauteilen naturgemäß eingeschränkt.One such exhaust gas heat exchanger is used in engine construction. In a known exhaust gas heat exchanger becomes the cooling cassette formed from a divided by a rectangular tube length portion. by virtue of The predetermined cross-sectional shape of the rectangular tube is the practice thus bound to it and consequently with regard to the available Installation space restricted. Further, due to the tube shape, the variation width for the determination of connections and / or attachments naturally restricted.
Aus
der
Der Erfindung liegt – ausgehend vom Stand der Technik – die Aufgabe zugrunde, einen Abgaswärmetauscher mit einer rohrförmigen Kühlkassette zu schaffen, die sowohl hinsichtlich ihrer Ausgestaltung als auch im Hinblick auf Anschlüsse und/oder Anbauteile flexibler an den zur Verfügung stehenden Einbauraum angepasst werden kann.Of the Invention is - starting from the prior art - the Task is based, an exhaust gas heat exchanger with a tubular Cooling cassette too which, in terms of both their design and Regard to connections and / or attachments adapted more flexible to the available installation space can be.
Die Lösung dieser Aufgabe wird nach der Erfindung in den Merkmalen des Anspruchs 1 gesehen.The solution This object is achieved according to the invention in the features of the claim 1 seen.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Grundgedankens sind Gegenstand der Ansprüche 2 bis 6.advantageous Further developments of the basic idea according to the invention are the subject matter the claims 2 to 6.
Danach sind mindestens zwei einander gegenüberliegende Seitenwände der Kühlkassette mit jeweils einer sich schräg über eine Seitenwand erstreckenden Sicke mit S-förmigen Verlauf (S-Sicke) versehen. Die S-Sicke weist zur Mittellängslinie der Seitenwand hin konkave Endabschnitte auf. Ferner sind zu diesen Endabschnitten hin offene C-förmige Sicken (C-Sicken) vorgesehen. Zwischen den Endabschnitten der S-Sicke und den C-Sicken befinden sich im Bereich der Mittellängslinie liegende runde Sicken (Rundsicken) und im Bereich der Mittelquerlinie der Seitenwand neben einem Diagonalschenkel der S-Sicke angeordnete dreieckförmige Sicken (Dreiecksicken).After that are at least two opposing side walls of the cooling cassette one each at an angle over one Sidewall extending bead with S-shaped curve (S-bead) provided. The S-bead points to the middle longitudinal line the side wall on concave end portions. Furthermore, these are End sections open C-shaped beads (C-beads) provided. Between the end sections of the S-bead and the C-corrugations are in the area of the center longitudinal line lying round beads (round beads) and in the area of the central cross line of Sidewall next to a diagonal leg of the S-bead arranged triangular Beading (triangular ticking).
Bei einer derartigen Kühlkassette ist es nunmehr ohne weiteres möglich, eine vom rechteckigen Querschnitt abweichende Geometrie zu fertigen. So ist zum Beispiel ein trapezförmiger beziehungsweise annähernd trapezförmiger Querschnitt denkbar. Darüber hinaus kann eine in Längsrichtung gestufte Kühlkassette hergestellt werden, wodurch eine noch bessere Anpassung an den jeweils zur Verfügung stehenden Einbauraum möglich ist. Ferner schafft die Erfindung die Vorausetzungen dafür, dass bereits an der zu stanzenden Platine Maßnahmen getroffen werden können, um ohne wesentlichen konstruktiven Aufwand an der fertig gestellten Kühlkassette Anschlüsse oder Anbauteile vorzusehen.at such a cooling cassette it is now easily possible to produce a deviating from the rectangular cross-section geometry. So for example is a trapezoidal or approximate trapezoidal Cross-section conceivable. About that In addition, a longitudinal direction stepped cooling cassette be made, thereby even better adaptation to the respective available Installation space possible is. Furthermore, the invention provides the conditions for that Measures can already be taken at the board to be punched without significant design effort on the finished cooling cassette connections or attachments to provide.
Aufgrund der die Kühlkassette verstärkenden, speziell angeordneten Sicken können mit einer solchen Kühlkassette die Anforderungen der Praxis eingehalten werden, wonach die Kühlkassette einem geforderten Berstdruck von z. B. 5 bar standhalten muss. Die Herstellung der Sicken bereitet beim Stanzen der Platine keine wesentlichen fertigungstechnischen Probleme.by virtue of the cooling cassette reinforcing, specially arranged beads can with such a cooling cassette the requirements of the practice are met, after which the cooling cassette a required bursting pressure of z. B. 5 bar must withstand. The Production of the beads prepares when punching the board no essential manufacturing problems.
Alle Sicken sind vorzugsweise von innen nach außen geprägt. Ein derartiges Sickenbild erstreckt sich mithin über die komplette Fläche einer Seitenwand und erhöht die Steifigkeit der Kühlkassette in einem wesentlichen Umfang.All Beads are preferably embossed from the inside out. Such a bead image extends over the complete area a side wall and raised the rigidity of the cooling cassette to a substantial extent.
Die Bereiche neben den Diagonalschenkeln der S-Sicken können dadurch flächenmäßig besser ausgenutzt werden, dass die Dreiecksicken mit jeweils einer Ecke einander zugewandt sind.The Areas next to the diagonal legs of the S-beads can thereby better utilized in terms of area be that the triangular corners facing each other with one corner are.
Eine zusätzliche Versteifung der Kühlkassette wird dann erreicht, wenn die Diagonalschenkel der S-Sicken im Bereich der Mittelquerlinie der Seitenwände jeweils mit einer insbesondere kreisförmigen Erweiterung versehen sind. Diese kreisförmigen Erweiterungen können bei Bedarf zur Anbringung eines Logos genutzt werden.A additional Stiffening of the cooling cassette is achieved when the diagonal legs of the S-beads in the area the central transverse line of the side walls each provided with a particular circular extension are. This circular Extensions can be used if necessary for the attachment of a logo.
Um bei gleichzeitiger Sicherheit gegen einen hohen Innendruck die Dicke der Seitenwände der Kühlkassette so gering wie möglich zu halten, ist die Kühlkassette aus Edelstahlblech, Aluminiumblech oder auch aus Kunststoff gebildet.Around at the same time the security against a high internal pressure the thickness the side walls the cooling cassette as low as possible to hold, is the cooling cassette made of stainless steel sheet, aluminum sheet or plastic.
Schließlich ist es noch von Vorteil, dass in einer möglichst sickenfreien Seitenwand der Kühlkassette Öffnungen vorgesehen sind. Diese Öffnungen dienen bevorzugt dem Anschluss von Rohren zur Zu- und Abführung insbesondere eines Kühlmittels.Finally is it is still advantageous that in a side wall as possible without sickening the cooling cassette openings are provided. These openings serve prefers the connection of pipes for supply and discharge in particular a coolant.
Die Erfindung ist nachfolgend anhand von in den Zeichnungen dargestellten Ausführungsbeispielen näher erläutert. Es zeigen:The Invention is described below with reference to the drawings embodiments explained in more detail. It demonstrate:
Mit
Wie
insbesondere die
Neben
den konkav gekrümmten
Endabschnitten
Zwischen
den Endabschnitten
Ferner
sind im Bereich der Mittelquerlinie MQL der Seitenwände
Es
ist insbesondere aus der
Bei
der Ausführungsform
einer Kühlkassette
Die
parallel zueinander angeordneten Seitenwände
Außerdem ist
aus den
Auch
bei der Ausführungsform
einer Kühlkassette
- 11
- Kühlkassettecooling cassette
- 1a1a
- Kühlkassettecooling cassette
- 22
-
Seitenwände v.
1 Sidewalls v.1 - 33
-
Sickenbild
an
2 ,20 ,21 Beading picture on2 .20 .21 - 44
-
Seitenwände v.
1 Sidewalls v.1 - 55
-
S-Sicke
v.
3 S-beading v.3 - 66
-
Diagonalschenkel
v.
5 Diagonal leg v.5 - 77
-
Endabschnitte
v.
5 End sections v.5 - 88th
-
Endschenkel
v.
7 End leg v.7 - 99
-
Erweiterung
v.
6 Extension v.6 - 1010
-
Längenabschnitte
v.
6 Length sections v.6 - 1111
-
C-Sicken
v.
3 C-beads v.3 - 1212
-
Schenkel
v.
11 Thighs v.11 - 1313
-
Schenkel
v.
11 Thighs v.11 - 1414
-
Steg
v.
11 Bridge v.11 - 1515
-
Rundsicken
v.
3 Round beads v.3 - 1616
-
Dreiecksicken
v.
3 Triangular v.3 - 1717
-
Ecken
v.
16 Corners v.16 - 1818
-
Längskanten
v.
1 ,1a Longitudinal edges v.1 .1a - 1919
-
Übergänge v.
15 ,16 auf2 Transitions v.15 .16 on2 - 2020
-
Seitenwand
v.
1a Sidewall v.1a - 2121
-
Seitenwand
v.
1a Sidewall v.1a - 2222
-
Seitenwand
v.
1a Sidewall v.1a - 2323
-
Seitenwand
v.
1a Sidewall v.1a - 2424
-
Öffnung in
22 Opening in22 - 2525
-
Öffnung in
22 Opening in22 - 2626
-
Durchzug
an
25 Pulling on25 - 2727
-
Längsseiten
v.
16 Long sides v.16 - MLLMLL
-
Mittellängslinie
v.
2 Mid-line v.2 - MQLMQL
-
Mittelquerlinie
v.
2 Middle transverse line v.2
Claims (6)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008028244A DE102008028244B3 (en) | 2008-06-16 | 2008-06-16 | Exhaust gas heat exchanger |
EP17186705.4A EP3270083B1 (en) | 2008-06-16 | 2009-06-12 | Exhaust gas heat exchanger |
ES09007732.2T ES2665922T3 (en) | 2008-06-16 | 2009-06-12 | Exhaust gas heat exchanger |
PT171867054T PT3270083T (en) | 2008-06-16 | 2009-06-12 | Exhaust gas heat exchanger |
EP09007732.2A EP2136174B1 (en) | 2008-06-16 | 2009-06-12 | Exhaust gas heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008028244A DE102008028244B3 (en) | 2008-06-16 | 2008-06-16 | Exhaust gas heat exchanger |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008028244B3 true DE102008028244B3 (en) | 2009-11-05 |
Family
ID=41077605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008028244A Expired - Fee Related DE102008028244B3 (en) | 2008-06-16 | 2008-06-16 | Exhaust gas heat exchanger |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP2136174B1 (en) |
DE (1) | DE102008028244B3 (en) |
ES (1) | ES2665922T3 (en) |
PT (1) | PT3270083T (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010027338A1 (en) * | 2010-07-15 | 2012-01-19 | Benteler Automobiltechnik Gmbh | Heat exchanger for exhaust gas recirculation system of internal combustion engine, has heat exchanger pipes with two pipe walls running parallel together by forming pipe bundle, where pipe walls are arranged at distance from each other |
EP3751127A1 (en) * | 2019-06-11 | 2020-12-16 | Valeo Systemes Thermiques-THS | Exhaust gas re-circulation cooler |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006047234A1 (en) * | 2005-10-14 | 2007-04-19 | Behr Gmbh & Co. Kg | Heat exchanger e.g. for heat exchanger with tubes, has tubes through which medium flows in one direction and between which are arranged guide devices which are connected to tubes and around which further medium flows |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1487118A (en) * | 1921-01-28 | 1924-03-18 | Solar Sturges Mfg Co | Container or can |
GB1297941A (en) * | 1969-02-28 | 1972-11-29 | ||
SE440275B (en) * | 1979-03-21 | 1985-07-22 | Svante Thunberg | HEAT EXCHANGER TO FACILITIES FOR VENTILATION OF LOCATIONS |
DE2915000A1 (en) * | 1979-04-12 | 1980-10-30 | Thyssen Industrie | Ribbed sheet metal stackable container - has lengthwise and transverse ribs intersecting or merging |
US4538439A (en) * | 1982-05-10 | 1985-09-03 | Cantec, Incorporated | Cans formed of thin-walled material and apparatus for forming precise fine beads therein |
EP0668480A4 (en) * | 1993-09-16 | 1996-10-30 | Nippon Denso Co | Aluminum heat exchanger. |
JPH10160364A (en) * | 1996-11-28 | 1998-06-19 | Zexel Corp | Manufacture of laminated heat exchanger |
ES1039979Y (en) * | 1998-04-16 | 1999-12-16 | Envases Ballujera S A | METALLIC CONTAINER. |
WO2006035986A1 (en) * | 2004-09-28 | 2006-04-06 | T.Rad Co., Ltd. | Egr cooler |
JP4527557B2 (en) * | 2005-01-26 | 2010-08-18 | 株式会社ティラド | Heat exchanger |
US7195060B2 (en) * | 2005-04-01 | 2007-03-27 | Dana Canada Corporation | Stacked-tube heat exchanger |
US7594326B2 (en) * | 2005-09-13 | 2009-09-29 | Catacel Corp. | Method for making a low-cost high-temperature heat exchanger |
DE102005055482A1 (en) * | 2005-11-18 | 2007-05-24 | Behr Gmbh & Co. Kg | Heat exchanger for an internal combustion engine |
US20080236792A1 (en) * | 2007-03-28 | 2008-10-02 | Modine Manufacturing Company | Heat exchanger and method |
-
2008
- 2008-06-16 DE DE102008028244A patent/DE102008028244B3/en not_active Expired - Fee Related
-
2009
- 2009-06-12 PT PT171867054T patent/PT3270083T/en unknown
- 2009-06-12 ES ES09007732.2T patent/ES2665922T3/en active Active
- 2009-06-12 EP EP09007732.2A patent/EP2136174B1/en active Active
- 2009-06-12 EP EP17186705.4A patent/EP3270083B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006047234A1 (en) * | 2005-10-14 | 2007-04-19 | Behr Gmbh & Co. Kg | Heat exchanger e.g. for heat exchanger with tubes, has tubes through which medium flows in one direction and between which are arranged guide devices which are connected to tubes and around which further medium flows |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010027338A1 (en) * | 2010-07-15 | 2012-01-19 | Benteler Automobiltechnik Gmbh | Heat exchanger for exhaust gas recirculation system of internal combustion engine, has heat exchanger pipes with two pipe walls running parallel together by forming pipe bundle, where pipe walls are arranged at distance from each other |
DE102010027338B4 (en) * | 2010-07-15 | 2012-04-05 | Benteler Automobiltechnik Gmbh | Heat exchanger in a motor vehicle |
EP3751127A1 (en) * | 2019-06-11 | 2020-12-16 | Valeo Systemes Thermiques-THS | Exhaust gas re-circulation cooler |
Also Published As
Publication number | Publication date |
---|---|
EP2136174B1 (en) | 2018-03-21 |
ES2665922T3 (en) | 2018-04-30 |
EP3270083A1 (en) | 2018-01-17 |
PT3270083T (en) | 2023-12-20 |
EP2136174A3 (en) | 2012-12-05 |
EP2136174A2 (en) | 2009-12-23 |
EP3270083B1 (en) | 2023-10-25 |
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Legal Events
Date | Code | Title | Description |
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8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |