EP2167895B1 - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- EP2167895B1 EP2167895B1 EP08716457A EP08716457A EP2167895B1 EP 2167895 B1 EP2167895 B1 EP 2167895B1 EP 08716457 A EP08716457 A EP 08716457A EP 08716457 A EP08716457 A EP 08716457A EP 2167895 B1 EP2167895 B1 EP 2167895B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- flat tubes
- projections
- tube
- margins
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
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- 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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
- F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0082—Charged air coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0091—Radiators
- F28D2021/0094—Radiators for recooling the engine coolant
Definitions
- the invention relates to a heat exchanger, comprising flat and narrow sides having flat tubes and ribs, which form a block and having the other features listed in the preamble of claim 1. Furthermore, a corresponding manufacturing method is proposed. Similar heat exchangers are for example from DE 198 19 247 A1 and also from the WO 2006/133748 A1 known. The projections provided in the first-mentioned reference correspond to openings in the tubesheets. As a result, a provisional cohesion of the items is provided before performing the soldering process. The cost of soldering auxiliary device can therefore be reduced. A certain disadvantage of this heat exchanger is that there is still a significant overhang of the tubesheet over the ribbed flat tube block which could be considered unnecessary space requirements.
- the ratio of the cross-sectional area occupied by the flat tubes is not optimal in comparison to the entire cross-sectional area of the heat exchanger or its tube plates, so that improvements are possible with regard to efficient space utilization of the heat exchanger.
- this heat exchanger could be regarded as insufficiently equipped for thermal cycling.
- projections have been provided, which are, however, inserted into the ends of the flat tubes, in each case in the region of the narrow sides thereof. It has already been proven that this heat exchanger has considerable advantages over other solutions. However, it is desirable to have suitable back-up solutions available, for example in the event that the heat exchanger known from this reference should not be able to cope with the most extreme requirements with regard to the thermal cycling.
- Fig. 14 - 17 show a non-inventive embodiment with grooves in the edges of the header, which serve to embed the narrow sides of the flat tubes.
- the embodiments shown are directed to completely made of metal, preferably from suitable aluminum sheets, producible heat exchangers, for example for use in motor vehicles.
- the aluminum sheets have appropriate solder coatings. After the manufacture and assembly of the individual parts of the heat exchanger and after appropriate pretreatment, these are then joined in a single CAB brazing process.
- the heat exchanger consists of wide and narrow sides having flat tubes 1 and ribs 2, which form a block and, in the embodiment, of two tube sheets 3 each having at least two deformed longitudinal edges 30 and two manifolds 4. In the illustrations, only one side of Heat exchanger shown. At the other end of the heat exchanger, not shown, there are therefore a further tube plate 3 and a collecting box 4 , which may be formed identically to those shown.
- the openings 31 must be formed in the tube sheets 3 to directly on the longitudinal edge 30 zoom, resulting from the 6 and 7 is best seen, because there in the foreground one of the openings 31 can be seen, in which there is no flat tube 1 .
- the formed longitudinal edges 30 have been formed as lying below the tube bottom surface 35 channel 30 .
- the above-mentioned projections 41 engage at the edges 40 of the collecting box 4 in the longitudinal edges 30 , wherein the projections 41 sit between the flat tubes 1 .
- two projections 41 each support a flat tube 1 at its Broad sides, but directly to the narrow sides, from.
- the procedure for assembling the heat exchanger is the following:
- the flat tubes 1 and the ribs 2 are combined to form a flat tube ribbed block.
- the tube sheets 3 with deformed longitudinal edges 30 are placed at the ends of the flat tubes 1 .
- the collecting boxes 4 are set with their edges 40, on which projections 41 are arranged at intervals, to the edges 30 of the tubesheets 3 .
- the longitudinal edges 30 of the tubesheets 3 are brought into contact with the narrow sides of the flat tubes 1 in the course of the so-called "winding up" of the tube plates 3 on the flat tube ends.
- the projections 41 are brought into contact with the longitudinal edges 30 and with the flat tubes 1 , wherein the projections 41 are inserted into the spaces between the flat tubes 1 .
- the projections 41 having longitudinal edges 40 of the collecting tank 4 are internally applied to the edges 30 of the tube sheet 3 , wherein the projections 41 are inserted into the spaces between adjacent flat tubes 1 .
- the longitudinal edges 30 have been provided with a suitable chamfer 33 or the like, so that the edges of the collecting box 4 can be easily inserted into the longitudinal edges 30 of the tube sheet 3 .
- auxiliary devices are used which either in principle do not differ from the previously customary auxiliary devices or which can be modeled by the person skilled in the art.
- FIGS. 12 and 13 show a possible non-inventive embodiment of a heat exchanger, in which the tube plate 3 and the collecting box 4 are formed as one piece.
- This tube sheet / collecting box has a connecting seam, for example a solder joint 45, which is located on the central longitudinal axis of the heat exchanger.
- the narrow sides of the flat tubes 1 bear against the inside of the longitudinal edges 40 of the tube bottom / collecting tank.
- the flat tubes are further bordered by the edges of the openings 31 of the inwardly bent tubesheet.
- This embodiment also has sufficient resistance to thermal cycling for many applications. It is also easy to manufacture.
- Unlike the FIGS. 12 and 13 were in the non-inventive embodiment according to the Fig. 14 - 17 again at least two-piece tube sheets / collection boxes used.
- grooves 47 were impressed, which are arranged at intervals corresponding to the distances of the flat tubes 1 .
- Each groove 47 serves for embedding a narrow side of the flat tubes. 1 Since a solder coating is also present in the grooves 47 , very strong solder joints are expected here, and a comparatively higher resistance to thermal cycling is expected.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Die Erfindung betrifft einen Wärmetauscher, bestehend aus Breit - und Schmalseiten aufweisenden Flachrohren und aus Rippen, die einen Block bilden und der die weiteren im Oberbegriff des Anspruchs 1 aufgeführten Merkmale aufweist. Ferner wird ein entsprechendes Herstellungsverfahren vorgeschlagen.
Ähnliche Wärmetauscher sind beispielsweise aus der
In der an zweiter Stelle genannten Referenz sind ebenfalls Vorsprünge vorgesehen worden, die jedoch in die Enden der Flachrohre gesteckt werden, und zwar jeweils im Bereich von deren Schmalseiten. Es hat sich bereits erwiesen, dass dieser Wärmetauscher erhebliche Vorteile gegenüber anderen Lösungen besitzt. Allerdings ist es wünschenswert, geeignete back - up - Lösungen zur Verfügung zu haben, beispielsweise für den Fall, dass der aus dieser Referenz bekannte Wärmetauscher bezüglich der Temperaturwechselbelastungen extremsten Anforderungen nicht gewachsen sein sollte. Gewöhnlich treten bei extremsten Belastungen Schäden, beispielsweise Brüche oder dergleichen, im Verbindungsbereich der Flachrohre mit den Rohrböden und zwar meistens an oder in der Nähe der Schmalseiten der Flachrohre auf. Der bekannte Wärmetauscher könnte als in dem erwähnten Bereich gefährdet angesehen werden, beispielsweise dann, wenn beabsichtigt wird, die Wanddicke der Flachrohre drastisch zu reduzieren.The invention relates to a heat exchanger, comprising flat and narrow sides having flat tubes and ribs, which form a block and having the other features listed in the preamble of
Similar heat exchangers are for example from
In the second reference mentioned also projections have been provided, which are, however, inserted into the ends of the flat tubes, in each case in the region of the narrow sides thereof. It has already been proven that this heat exchanger has considerable advantages over other solutions. However, it is desirable to have suitable back-up solutions available, for example in the event that the heat exchanger known from this reference should not be able to cope with the most extreme requirements with regard to the thermal cycling. Usually occur at extreme loads damage, such as fractures or the like, in the connecting region of the flat tubes with the tube sheets and that usually at or near the narrow sides of the flat tubes. The known heat exchanger could be considered as endangered in the mentioned range, for example, when it is intended to drastically reduce the wall thickness of the flat tubes.
Aus der
Der dem Oberbegriff des Anspruchs 1 entsprechende Wärmetauscher ist aus
Die Aufgabe der Erfindung besteht darin, Wärmetauscher zur Verfügung zu stellen, die herstellungsfreundlicher sind.
Die Erfindungsgemäße Lösung ergibt sich bezüglich des Wärmetauschers durch den Einsatz der Merkmale des Anspruchs 1. Das erfindungsgemäße Herstellungsverfahren ist Gegenstand des Anspruchs 12.
Weil die Schmalseiten der Flachrohre an den Längsrändern des Rohrbodens anliegen und weil die Vorsprünge in die Längsränder eingreifen, wobei die Vorsprünge zwischen den Flachrohren sitzen und die Schmalseiten einfassen, wurde auch die Widerstandsfähigkeit gegen Temperaturwechselbelastungen vergleichsweise weiter verbessert, denn der besonders gefährdete Bereich der Schmalseiten der Flachrohre wurde deutlich verstärkt, und zwar verstärkt, ohne dass zusätzliche, die Kosten und das Gewicht steigernde, Verstärkungsteile zum Einsatz kommen müssen, wie es in noch anderen Veröffentlichungen bereits mehrfach vorgeschlagen wurde. Einerseits liegen gemäß der Erfindung die Schmalseiten der Flachrohre nämlich an den Längsrändern an und sind damit verbunden und andererseits ist jedes Flachrohrende im Bereich der Schmalseiten von zwei Vorsprüngen eingefasst bzw. abgestützt, sodass die Verbesserung der Widerstandsfähigkeit nachvollziehbar ist.
Das gemäß der Lehre vorgesehene Teilmerkmal, wonach die Vorsprünge zwischen den Flachrohren sitzen, mag zwar aus dem Stand der Technik an sich bekannt gewesen sein, jedoch befinden sich beim bekannten Stand der Technik die Vorsprünge in korrespondierenden Öffnungen (Schlitzen) in den Rohrböden und stellen deshalb ein potentielles Risiko für Undichtigkeiten dar. Vorschlagsgemäß stützen sich hingegen die Vorsprünge am Grund der umgeformten Längsränder ab oder sie sind darin eingeklemmt. Dadurch wird die Vormontage des Wärmetauschers verbessert. Solche Öffnungen sind in den Rohrböden nicht vorgesehen, weshalb das erwähnte Risiko durch die Erfindung eliminiert wird.
Da gemäß der Erfindung - wie bereits erwähnt - die Schmalseiten der Flachrohre am Längsrand der Rohrböden innen anliegen, fällt der Überstand des Rohrbodens über den Block aus Flachrohren und Rippen äußerst minimal aus, weshalb das einleitend erwähnte Verhältnis der von den Flachrohren eingenommenen Querschnitte im Vergleich zum gesamten Querschnitt des Wärmetauschers bzw. zu dessen Rohrböden recht günstig ausgebildet ist.
Weitere Merkmale sind in den abhängigen Patentansprüchen 2 -11 enthalten, die als an dieser Stelle detailliert aufgeführt anzusehen sind. Darüber hinaus ergeben sich die Merkmale und deren weit reichenden Vorteile aus der nachfolgenden Beschreibung von Ausführungsbeispielen, die anhand der beiliegenden Zeichnungen vorgenommen wird.
Die Figuren zeigen Folgendes:
-
Fig. 1 zeigt eine perspektivische, teilweise auseinander gezogene Darstellung eines Teils eines erfindungsgemäßen Kühlflüssigkeitskühlers. DieFig. 2 zeigt die Einzelheit F ausFig. 1 . -
Fig. 3 zeigt das Teil gemäßFig. 1 in zusammengebautem Zustand und dieFig. 4 zeigt die Einzelheit A ausFig. 3 . DieFig. 5 zeigt die Einzelheit gemäßFig. 2 aus einer anderen Perspektive. -
Fig. 6 zeigt eine Darstellung ähnlich derFig. 1 jedoch am Beispiel eines Ladeluftkühlers und dieFig. 7 zeigt die Einzelheit D ausFig. 6 . -
Fig. 8 zeigt eine Darstellung ähnlich derFig. 3 jedoch am Beispiel eines Ladeluftkühlers und dieFig. 9 zeigt die Einzelheit C ausFig. 8 . -
Fig. 10 zeigt eine perspektivische Ansicht eines Teils eines Ladeluftkühlers und die -
Fig. 11 zeigt die Einzelheit E ausFig. 10 .
The corresponding to the preamble of
The object of the invention is to provide heat exchangers which are more production-friendly.
With regard to the heat exchanger, the solution according to the invention results from the use of the features of
Because the narrow sides of the flat tubes abut against the longitudinal edges of the tube plate and because the projections engage in the longitudinal edges, the projections sitting between the flat tubes and the narrow sides border, the resistance to thermal cycling was comparatively further improved, because the particularly vulnerable area of the narrow sides of the Flat tubes were significantly strengthened, and reinforced, without additional , the cost and weight-increasing, reinforcing parts must be used, as it has been proposed several times in other publications. On the one hand lie according to the invention, the narrow sides of the flat tubes namely at the longitudinal edges and are connected thereto and on the other hand, each flat tube end is bordered or supported in the narrow sides of two projections, so that the improvement of the resistance is comprehensible.
The part feature provided according to the teaching, according to which the protrusions sit between the flat tubes, although known per se from the prior art However, in the prior art, the protrusions are located in corresponding apertures (slots) in the tubesheets and therefore pose a potential risk of leakage. By contrast, the protrusions on the other hand are supported or pinched at the bottom of the deformed longitudinal edges. As a result, the pre-assembly of the heat exchanger is improved. Such openings are not provided in the tubesheets, which is why the mentioned risk is eliminated by the invention.
Since according to the invention - as already mentioned - the narrow sides of the flat tubes lie on the longitudinal edge of the tubesheets inside, the supernatant of the tubesheet over the block of flat tubes and ribs extremely minimal, which is why the initially mentioned ratio of the shallow tubes occupied cross sections compared to entire cross-section of the heat exchanger or to its tube sheets is designed quite cheap.
Further features are contained in the dependent claims 2 -11, which are to be regarded as detailed here at this point. In addition, the features and their far-reaching advantages of the following description of exemplary embodiments, which is made with reference to the accompanying drawings.
The figures show the following:
-
Fig. 1 shows a perspective, partially exploded view of a portion of a Kühlflüssigkeitskühlers invention. TheFig. 2 shows the detail FFig. 1 , -
Fig. 3 shows the part according toFig. 1 in assembled condition and theFig. 4 shows the detail A fromFig. 3 , TheFig. 5 shows the detail according toFig. 2 from a different perspective. -
Fig. 6 shows a representation similar to theFig. 1 However, the example of a charge air cooler and theFig. 7 shows the detail DFig. 6 , -
Fig. 8 shows a representation similar to theFig. 3 However, the example of a charge air cooler and theFig. 9 shows the detail C outFig. 8 , -
Fig. 10 shows a perspective view of a portion of an intercooler and the -
Fig. 11 shows the detail EFig. 10 ,
Die
Die gezeigten Ausführungsbeispiele richten sich auf vollständig aus Metall, vorzugsweise aus geeigneten Aluminiumblechen, herstellbare Wärmetauscher, beispielsweise zur Verwendung in Kraftfahrzeugen. Die Aluminiumbleche weisen zweckmäßige Lotbeschichtungen auf. Nach der Herstellung und Montage der Einzelteile des Wärmetauschers und nach entsprechender Vorbehandlung werden diese dann in einem einzigen CAB - Lötprozess verbunden. (nicht gezeigt)
Der Wärmetauscher besteht aus Breit - und Schmalseiten aufweisenden Flachrohren 1 und aus Rippen 2, die einen Block bilden und, im Ausführungsbeispiel, aus zwei Rohrböden 3 mit jeweils wenigstens zwei umgeformten Längsrändern 30 und mit zwei Sammelkästen 4. In den Darstellungen wurde nur eine Seite des Wärmetauschers gezeigt. Am nicht gezeigten anderen Ende des Wärmetauschers befinden sich demnach ein weiterer Rohrboden 3 und ein Sammelkasten 4, die identisch mit den gezeigten ausgebildet sein können. An den Rändern 40 des Sammelkastens 4 sind in Abständen angeordnete Vorsprünge 41 angeordnet. Die bis hierher beschriebene Ausbildung ist aus dem Stand der Technik bekannt.
Wie vielleicht aus den Darstellungen gemäß den
Die Vorgehensweise beim Zusammenbau des Wärmetauschers, soweit sie sich nicht bereits aus den vorstehenden Erläuterungen ergeben sollte, ist folgende:
Die Flachrohre 1 und die Rippen 2 werden zu einem Flachrohr - Rippen - Block zusammengelegt. Die Rohrböden 3 mit umgeformten Längsrändern 30 werden an die Enden der Flachrohre 1 gesetzt. Die Sammelkasten 4 werden mit ihren Rändern 40, an denen in Abständen angeordnete Vorsprünge 41 ausgebildet sind, an die Ränder 30 der Rohrböden 3 gesetzt. Die Längsränder 30 der Rohrböden 3 werden im Zuge des so genannten "Aufziehens" der Rohrböden 3 auf die Flachrohrenden in Kontakt mit den Schmalseiten der Flachrohre 1 gebracht. Beim anschließenden Montieren der Sammelkästen 4 werden die Vorsprünge 41 in Kontakt mit den Längsrändern 30 und mit den Flachrohren 1 gebracht, wobei die Vorsprünge 41 in die Abstände zwischen den Flachrohren 1 gesteckt werden.
Konkret werden die die Vorsprünge 41 aufweisenden Längsränder 40 des Sammelkastens 4 innen an die Ränder 30 des Rohrbodens 3 angelegt, wobei die Vorsprünge 41 in die Zwischenräume zwischen benachbarten Flachrohren 1 gesteckt werden. Wie beispielsweise die
Zur Durchführung dieser Herstellungsschritte in der Serienfertigung werden Hilfsvorrichtungen eingesetzt, die sich entweder im Prinzip nicht von den bisher üblichen Hilfsvorrichtungen unterscheiden oder die vom Fachmann nachempfunden werden können.The embodiments shown are directed to completely made of metal, preferably from suitable aluminum sheets, producible heat exchangers, for example for use in motor vehicles. The aluminum sheets have appropriate solder coatings. After the manufacture and assembly of the individual parts of the heat exchanger and after appropriate pretreatment, these are then joined in a single CAB brazing process. (Not shown)
The heat exchanger consists of wide and narrow sides having
As perhaps from the representations according to the
The procedure for assembling the heat exchanger, if it does not already result from the above explanations, is the following:
The
Specifically, the
To carry out these production steps in series production, auxiliary devices are used which either in principle do not differ from the previously customary auxiliary devices or which can be modeled by the person skilled in the art.
Wie beispielsweise die
Die
Im Unterschied zu den
The
Unlike the
Claims (13)
- Heat exchanger, consisting of flat tubes (1) having wide and narrow sides and of ribs (2), which form a block, and of at least one tube bottom (3) and of a header (4), both with at least two formed opposite longitudinal margins (30, 40), there being arranged along longitudinal margins (40) of the header (4) projections (41) which are arranged at intervals and are seated between the flat tubes (1), characterized in that the narrow sides of the flat tubes (1) bear against and are connected to the longitudinal margins (30) of the tube bottom (3) on the inside, and in that the formed longitudinal margins (30) of the tube bottom are of gutter-like design, the bottom of the gutter (30) lying below the tube bottom surface (35) pointing into the header (4), the projections (41) engaging into the gutter of the longitudinal margins (30) of the tube bottom.
- Heat exchanger according to Claim 1, characterized in that the projections (41) are supported in the bottom of the formed longitudinal margins (30) and are clamped therein.
- Heat exchanger according to Claim 1, characterized in that the projections (41) are connected both to the longitudinal margins (30) and to the flat tubes (1).
- Heat exchanger according to Claim 1, characterized in that the dimensions of the intervals between the projections (41) correspond approximately to the outer dimensions between the wide sides of the flat tubes (1).
- Heat exchanger according to one of the preceding claims, characterized in that the tube bottom (3) has orifices (31) in each case for receiving a flat-tube end (1), the orifices (31) extending into the gutter (30) directly up to the margin (30).
- Heat exchanger according to one of the preceding claims, characterized in that the tube bottoms (3) also have, in addition to the formed longitudinal margins (30), formed margins (32) on their transverse sides.
- Heat exchanger according to one of the preceding Claims 1-5, characterized in that the tube bottoms (3) have formed margins (30) only on the two longitudinal sides, so that they can be produced from one sheet metal strip of any length.
- Heat exchanger according to one of the preceding claims, characterized in that the header (4) has end-face orifices.
- Heat exchanger according to one of the preceding claims, characterized in that the heat exchanger has side parts, known per se, which extend over the length of the flat tubes (1) and close the end-face orifices of the headers (4).
- Heat exchanger according to one of the preceding claims, characterized in that the projections (41) are formed such that the introduction of these between the ends of the flat tubes (1) is assisted.
- Heat exchanger according to one of the preceding claims, characterized in that the heat exchanger can be used preferably as an air-cooled charge-air cooler or as a cooling-liquid cooler.
- Method for producing a heat exchanger, having the following steps:flat tubes (1) and ribs (2) are joined together to form a flat-tube/rib block;tube bottoms and headers with formed longitudinal margins (30, 40) are placed onto the ends of the flat tubes (1); the headers (4) are placed with their margins, on which projections (41) arranged at intervals are formed, against the margins of the tube bottoms (3); the projections are brought into contact with the longitudinal margins of the tube bottoms and with the flat tubes, the projections (41) being inserted into the intervals between the flat tubes (1),characterized in that the longitudinal margins of the tube bottoms are brought into contact with the narrow sides of the flat tubes (1), in that the formed longitudinal margins of the tube bottoms (3) are provided with a gutter (30), the bottom of which lies below the tube-bottom surface pointing into the header,and in that the projections (41) are inserted into the bottom of the gutter (30).
- Production method according to Claim 12, characterized in that the longitudinal margins of the header (4) which have the projections (41) are laid against the margins of the tube bottom (3) from inside, the projections (41) being inserted into the interspaces between adjacent flat tubes (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007027706A DE102007027706A1 (en) | 2007-06-15 | 2007-06-15 | heat exchangers |
PCT/EP2008/001951 WO2008151680A1 (en) | 2007-06-15 | 2008-03-12 | Heat exchanger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2167895A1 EP2167895A1 (en) | 2010-03-31 |
EP2167895B1 true EP2167895B1 (en) | 2012-05-16 |
Family
ID=39616495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08716457A Expired - Fee Related EP2167895B1 (en) | 2007-06-15 | 2008-03-12 | Heat exchanger |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2167895B1 (en) |
DE (1) | DE102007027706A1 (en) |
WO (1) | WO2008151680A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009053540A1 (en) * | 2009-11-18 | 2011-05-19 | Behr Gmbh & Co. Kg | Heat exchanger, particularly for motor vehicle, has pipes which flow through by medium and are circulated by another medium |
CN101819003A (en) * | 2010-04-22 | 2010-09-01 | 鑫田集团有限公司 | Fastening pattern cutting collecting pipe of parallel flow condenser and processing technique thereof |
DE102012004926A1 (en) | 2012-03-10 | 2013-09-12 | Volkswagen Aktiengesellschaft | Heat exchanger with a tubesheet and a dedicated tube plate |
JP6394202B2 (en) * | 2013-11-27 | 2018-09-26 | 株式会社デンソー | Heat exchanger |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5209292A (en) * | 1992-05-15 | 1993-05-11 | Zexel Usa Corporation | Condenser header and tank assembly with interference fit baffle |
JPH07280488A (en) * | 1994-04-07 | 1995-10-27 | Nippondenso Co Ltd | Heat exchanger |
DE4442040A1 (en) * | 1994-11-25 | 1996-05-30 | Behr Gmbh & Co | Heat exchanger with a manifold |
DE19515530C2 (en) * | 1995-04-27 | 2001-11-15 | Valeo Klimatech Gmbh & Co Kg | Water box of a heat exchanger for motor vehicles |
JP3445905B2 (en) * | 1995-09-30 | 2003-09-16 | ハラ クリメイト コントロール コーポレイション | Heat exchanger and method for manufacturing header pipe used therein |
JP3760571B2 (en) * | 1997-06-24 | 2006-03-29 | 株式会社デンソー | Heat exchanger |
DE19819247A1 (en) | 1998-04-29 | 1999-11-11 | Valeo Klimatech Gmbh & Co Kg | Vehicle heat exchanger and especially water/air heat exchanger or evaporator |
US20020057941A1 (en) * | 1999-06-15 | 2002-05-16 | Ichio Nakajima | Connection structure between a pipe and a tube for use in a heat exchanger |
FR2800451B1 (en) * | 1999-10-27 | 2002-01-18 | Valeo Thermique Moteur Sa | REDUCED HEAT EXCHANGER AND EQUIPMENT OF A MOTOR VEHICLE COMPRISING SUCH A HEAT EXCHANGER |
FR2808321B1 (en) * | 2000-04-27 | 2003-10-31 | Valeo Thermique Moteur Sa | TWO-PART TUBULAR COLLECTOR BOX FOR HEAT EXCHANGER, ESPECIALLY A MOTOR VEHICLE |
JP2003156296A (en) * | 2001-11-19 | 2003-05-30 | Denso Corp | Heat exchanger |
US6786275B2 (en) * | 2002-05-23 | 2004-09-07 | Valeo Engine Cooling | Heat exchanger header assembly |
DE102004033784A1 (en) * | 2004-07-12 | 2006-02-02 | Behr Gmbh & Co. Kg | Heat exchangers, in particular intercoolers |
ES2302323T3 (en) | 2005-06-11 | 2008-07-01 | Modine Manufacturing Company | ENTIRE METALLIC HEAT EXCHANGERS AND PROCEDURE FOR MANUFACTURING. |
-
2007
- 2007-06-15 DE DE102007027706A patent/DE102007027706A1/en not_active Withdrawn
-
2008
- 2008-03-12 EP EP08716457A patent/EP2167895B1/en not_active Expired - Fee Related
- 2008-03-12 WO PCT/EP2008/001951 patent/WO2008151680A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2008151680A1 (en) | 2008-12-18 |
EP2167895A1 (en) | 2010-03-31 |
DE102007027706A1 (en) | 2008-12-18 |
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