EP1764570A1 - All-metal heat exchanger - Google Patents

All-metal heat exchanger Download PDF

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Publication number
EP1764570A1
EP1764570A1 EP05020325A EP05020325A EP1764570A1 EP 1764570 A1 EP1764570 A1 EP 1764570A1 EP 05020325 A EP05020325 A EP 05020325A EP 05020325 A EP05020325 A EP 05020325A EP 1764570 A1 EP1764570 A1 EP 1764570A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
projections
metal heat
exchanger according
flat tubes
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.)
Withdrawn
Application number
EP05020325A
Other languages
German (de)
French (fr)
Inventor
Helmut Roll
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Priority to EP05020325A priority Critical patent/EP1764570A1/en
Priority to US11/916,459 priority patent/US20080230213A1/en
Priority to KR1020087000720A priority patent/KR100957665B1/en
Priority to BRPI0611998-0A priority patent/BRPI0611998A2/en
Priority to PCT/EP2006/001487 priority patent/WO2006133748A1/en
Priority to ES06707072T priority patent/ES2302323T3/en
Priority to EP06707072A priority patent/EP1774245B1/en
Priority to DE502006000358T priority patent/DE502006000358D1/en
Publication of EP1764570A1 publication Critical patent/EP1764570A1/en
Withdrawn legal-status Critical Current

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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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • 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
    • 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
    • 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
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • 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
    • F28F9/185—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding with additional preformed parts
    • 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
    • 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
    • F28F2225/08—Reinforcing means for header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2235/00—Means for filling gaps between elements, e.g. between conduits within casings

Definitions

  • the invention relates to a whole-metal heat exchanger, consisting of flat tubes with two narrow - and two broad sides and ribs, which together with the flat tubes form a block, and from at least one collecting box, in which the ends of the flat tubes open, and with in Interspaced projections, wherein the spacings of the projections correspond to the spacings of the flat tubes, so that the projections in the region of the narrow sides engage in the ends of the flat tubes.
  • the heat exchanger described above and a manufacturing method have been described in the recently filed European patent application with the application number EP 05012589.7 shown and described.
  • the projections are arranged there on the longitudinal walls of the collecting tanks or on the longitudinal edges of individual tube sheets.
  • the collection boxes are thus formed in two parts, ie they consist of an upper cover part and of a so-called tube sheet having receiving openings for the pipe ends.
  • the object of the invention is to provide a heat exchanger which, compared to the described prior art, should have alternative features which likewise lead to a heat exchanger which achieves a smaller space requirement with comparatively good thermal-technical values.
  • the proposed heat exchanger leads to a number of advantages.
  • the seated in the flat tube ends projections on a comb-like additional part, such as metal strips or the like., which is connected to the wall of the header, keep the flat tubes during the subsequent soldering process to tension, so that the risk of so-called “collapse "the flat tubes, with the result of insufficient solder joints in the receiving openings, has been substantially reduced.
  • the invention allows Therefore, the use of flat tubes, the broad sides may have larger dimensions and thus avoids the production technically complex use of several Flachroh marinan in the direction of the depth of the flat-tube rib block. In other words, with the invention, heat exchangers can be made available in a much broader performance spectrum with much less modification effort.
  • the flat tubes extend across the entire depth of the header, there is virtually no space that would not be available for heat exchange purposes.
  • the flow-through cross-sectional area of the flat tubes is in a favorable ratio to the total occupied by the collecting box surface, which in turn is approximately equal to the relevant cross-sectional area occupied by the entire heat exchanger.
  • the frontal openings of the collecting tank are closed by per se known side parts, which are extended beyond the length of the flat tubes out.
  • the headers can be formed in one piece or multiple parts. Striking is a part which has a U-shaped cross-section, wherein the base portion is provided with receiving openings for the pipe ends and the two legs form the two walls of the collecting tank. Once the walls have been reshaped and brought together to form a room, one-piece collection boxes are available. If the walls remain essentially flat, a second part is necessary for the formation of a closed space, which is why two-part collection boxes are then present.
  • the receiving openings extend minimally into the walls of the collecting tank.
  • the projections are appropriately shaped so that the insertion thereof into the ends of the flat tubes is assisted.
  • the additional part is a comb-like sheet metal strip, which is easy to process by forming technology to produce the additional part.
  • the term "strip" encompasses all possible physical formations, so that it is therefore generally possible to speak of an additional part.
  • the mentioned Projections on the strips or additional parts may be first projections, in the event that second projections are provided on the strip.
  • the second protrusions are then arranged between the first protrusions. The second protrusions improve the assembly or preparation of the heat exchanger for the following soldering process.
  • the all-metal heat exchanger can be used everywhere in the widest sense with advantages where a small space requirement with good heat exchange efficiency should be present.
  • the inventor remembers to use such heat exchangers especially as air-cooled intercoolers in motor vehicles, but without excluding any other possible use, especially in the field of motor vehicles.
  • An all-metal heat exchanger is intended to be a heat exchanger whose constituents referred to in the claims are made of metal, preferably aluminum, regardless of whether later non-metallic parts which could be part of the system are attached to this heat exchanger or Not.
  • Fig. 1 shows an exploded view of the heat exchanger according to the invention.
  • Figures 2 and 3 show perspective views of the finished heat exchanger.
  • Figures 4 and 5 show perspective views of a portion of the heat exchanger in a mounting situation.
  • Fig. 6 shows the end of a flat tube.
  • All illustrated individual parts of the heat exchanger are made of metal, preferably of aluminum or aluminum alloys, which is expediently coated with a layer of solder.
  • the items such as flat tubes 1, 4 ribs , 6 manifolds and side panels 30 are made of aluminum sheets, which, however, is not excluded that, for example, the flat tubes 1 could also be produced as drawn tubes.
  • the flat tubes 1 have an approximately rectangular cross-section, but the narrow sides 2 can also be curved slightly outwards.
  • the flat tubes 1 are then stacked with the ribs 4 to form a flat tube fins block. At least in that Embodiment, which is shown in Figs.
  • the collecting boxes 6 also include the tube plates 5 , so that therefore no classical tube plates are provided as a single part, which can be taken from Figs. 1, 4 and 5.
  • the collecting box 6 has a base portion 60 , from which two bent walls 61 of the collecting box 6 depart. The walls 61 are deformed and they can be connected by means of a longitudinal weld, not shown, to form the header 6 .
  • receiving openings 62 are provided for the flat tube ends, which should therefore match the spacing of the flat tubes 1 with the distances of the receiving openings 62 .
  • a rather striking feature is that the receiving openings 62 extend into the walls 61 , ie they extend to just above the bending edge of the walls 61 on the base portion 60, which is clearly enough from the Fig. 5 at reference 62 can be seen ,
  • a strip 10 is located on all the walls 61 of the two collecting boxes 6.
  • the strips 10 were designed with additional functions, such as holding functions 70 for accessories not shown.
  • the provision of strips 10 on all walls 61 is not an inevitable measure.
  • Fig. 3 Another advantage of the strip 10 is apparent from Fig. 3. It can be seen there that the strip 10, which is formed with the mentioned additional functions, can also contribute to the strength of the collecting tank 6 . It can be seen in Fig. 3 that the strip 10 extends over a substantial part of the wall 61 of the collecting box, and it is soldered to this wall 61 .
  • the projections 11 can be provided with such a contour that the sliding of the same is facilitated in the flat tubes 1 .
  • first projections 11 are first projections 11 .
  • second projections 12 are arranged between two first projections 11 .
  • the second projections 12 cause a counter-torque of the strip 10, which otherwise, when the first projections 11 are in the flat tube ends, could tend to stick from the wall 61 , which is undesirable. Since the second projections 12 rest against the ribs 4 from the outside, this is prevented, or at least counteracted.
  • FIGS. 4 and 5 it is advantageous to form at the ends of the strip 10 includes a hook 13 which is suitable to hold the side part 30 on the outer rib 4 determined. This also supports the cohesion of the entire heat exchanger before soldering. Further, also by the above-mentioned "sticking" of the strip 10 is suppressed by the wall 61 .
  • brackets which are to hold the side panels 30 in the frontal openings 65 of the collecting tank 6 , are omitted, which is also a manufacturing advantage.
  • Fig. 6 shows by way of example the end of a flat tube 1, consisting of two long sides 3 and two short sides 2, in which two protrusions 11 and, for example, an internal insert 80 are located.
  • the projections 11 are soldered inside tight on the narrow sides 2 .
  • the invention accordingly provides an innovative product which, compared to the state of the art, leaves only little to be desired.

Abstract

The heat exchanger comprises flat tubes (1) with two narrow sides (2) and two wide sides (3). Fins (4) form a block with the tubes and at least one tube plate (5) The edges (10) of the tank (6) are soldered to the edges (20) of the tube plate. Projections (11) are inserted into the ends of the flat tubes, approximately in the region of the narrow sides.

Description

Die Erfindung betrifft einen Ganz-Metall-Wärmetauscher, bestehend aus Flachrohren mit zwei Schmal - und zwei Breitseiten und aus Rippen, die gemeinsam mit den Flachrohren einen Block bilden, sowie aus wenigstens einem Sammelkasten, in dem die Enden der Flachrohre münden, und mit in Abständen angeordneten Vorsprüngen, wobei die Abstände der Vorsprünge mit den Abständen der Flachrohre korrespondieren, sodass die Vorsprünge im Bereich der Schmalseiten in die Enden der Flachrohre eingreifen.The invention relates to a whole-metal heat exchanger, consisting of flat tubes with two narrow - and two broad sides and ribs, which together with the flat tubes form a block, and from at least one collecting box, in which the ends of the flat tubes open, and with in Interspaced projections, wherein the spacings of the projections correspond to the spacings of the flat tubes, so that the projections in the region of the narrow sides engage in the ends of the flat tubes.

Der vorstehend beschriebene Wärmetauscher und ein Herstellungsverfahren wurden in der vor kurzem eingereichten europäischen Patentanmeldung mit der Anmeldenummer EP 05012589.7 gezeigt und beschrieben. Die Vorsprünge sind dort an den Längswänden der Sammelkästen oder an den Längsrändern von einzelnen Rohrböden angeordnet. Die Sammelkästen sind also zweiteilig ausgebildet, d.h. sie bestehen aus einem oberen Deckelteil und aus einem so genannten Rohrboden, der Aufnahmeöffnungen für die Rohrenden aufweist. Obwohl mit der erwähnten Anmeldung bereits eine fortschrittliche Lösung vorgeschlagen wurde, besteht Bedarf zur Weiterentwicklung. Beispielsweise ist es bei Ganz-Metall-Wärmetauschern, die aus umgeformten Blechen hergestellt werden sollen, vergleichsweise aufwendig Zubehörteile anzubringen und sicher zu befestigen.The heat exchanger described above and a manufacturing method have been described in the recently filed European patent application with the application number EP 05012589.7 shown and described. The projections are arranged there on the longitudinal walls of the collecting tanks or on the longitudinal edges of individual tube sheets. The collection boxes are thus formed in two parts, ie they consist of an upper cover part and of a so-called tube sheet having receiving openings for the pipe ends. Although an advanced solution has already been proposed with the aforementioned application, there is a need for further development. For example, with all-metal heat exchangers, which are to be manufactured from formed sheet metal, it is comparatively expensive to attach accessories and secure them.

Die Aufgabe der Erfindung besteht darin, einen Wärmetauscher zur Verfügung zu stellen, der gegenüber dem beschriebenen Stand der Technik alternative Merkmale aufweisen soll, die ebenfalls zu einem Wärmetauscher führen, der einen geringeren Raumbedarf bei vergleichsweise guten wärmetechnischen Werten erreicht.The object of the invention is to provide a heat exchanger which, compared to the described prior art, should have alternative features which likewise lead to a heat exchanger which achieves a smaller space requirement with comparatively good thermal-technical values.

Die erfindungsgemäße Lösung ergibt sich bei dem im Oberbegriff des Anspruchs 1 angegebenen Ganz-Metall-Wärmetauscher durch den Einsatz der Merkmale im Kennzeichen des Anspruchs 1.The solution of the invention results in the specified in the preamble of claim 1 all-metal heat exchanger by the use of the features in the characterizing part of claim 1.

Der vorgeschlagene Wärmetauscher führt zu einer Reihe von Vorteilen. Die in die Flachrohrenden sitzenden Vorsprünge, die an einem kammartig ausgebildeten Zusatzteil, wie Blechstreifen oder dgl., vorhanden sind, welches mit der Wand des Sammelkastens verbunden wird, halten die Flachrohre während des nachfolgenden Lötprozesses auf Spannung, sodass die Gefahr des so genannten "Einfallens" der Flachrohre, mit der Folge ungenügender Lötverbindungen in den Aufnahmeöffnungen, wesentlich vermindert worden ist. Die Erfindung gestattet deshalb auch den Einsatz von Flachrohren, deren Breitseiten größere Abmessungen haben können und vermeidet demnach den fertigungstechnisch aufwendigen Einsatz mehrerer Flachrohreihen in Richtung der Tiefe des Flachrohr-Rippen-Blockes. Mit anderen Worten, durch die Erfindung können Wärmetauscher in einem wesentlich breiteren Leistungsspektrum mit wesentlich geringerem Änderungsaufwand zur Verfügung gestellt werden.The proposed heat exchanger leads to a number of advantages. The seated in the flat tube ends projections on a comb-like additional part, such as metal strips or the like., Which is connected to the wall of the header, keep the flat tubes during the subsequent soldering process to tension, so that the risk of so-called "collapse "the flat tubes, with the result of insufficient solder joints in the receiving openings, has been substantially reduced. The invention allows Therefore, the use of flat tubes, the broad sides may have larger dimensions and thus avoids the production technically complex use of several Flachrohreihen in the direction of the depth of the flat-tube rib block. In other words, with the invention, heat exchangers can be made available in a much broader performance spectrum with much less modification effort.

Darüber hinaus werden die Vorteile des Standes der Technik beibehalten, d. h. insbesondere der Aufwand für Löt-Hilfsvorrichtungen wird deutlich reduziert, da die Streifen an den Enden Haken aufweisen, die den Zusammenhalt der montierten Einzelteile des Wärmetauschers unterstützen, indem sie über die Seitenteile greifen.In addition, the advantages of the prior art are retained, i. H. In particular, the cost of soldering auxiliary devices is significantly reduced, since the strips have hooks at the ends, which support the cohesion of the mounted items of the heat exchanger by grabbing over the side panels.

Weil sich die Flachrohre über die gesamte Tiefe des Sammelkastens erstrecken tritt so gut wie kein Raum auf, der nicht zum Zweck des Wärmetausches zur Verfügung stehen würde. Mit anderen Worten, die durchströmte Querschnittsfläche der Flachrohre steht in einem günstigen Verhältnis zur gesamten vom Sammelkasten eingenommenen Fläche, die wiederum etwa gleich der diesbezüglichen Querschnittsfläche ist, die vom gesamten Wärmetauscher eingenommen wird.Because the flat tubes extend across the entire depth of the header, there is virtually no space that would not be available for heat exchange purposes. In other words, the flow-through cross-sectional area of the flat tubes is in a favorable ratio to the total occupied by the collecting box surface, which in turn is approximately equal to the relevant cross-sectional area occupied by the entire heat exchanger.

Die stirnseitigen Öffnungen des Sammelkastens werden durch an sich bekannte Seitenteile verschlossen, die über die Länge der Flachrohre hinaus verlängert sind.The frontal openings of the collecting tank are closed by per se known side parts, which are extended beyond the length of the flat tubes out.

Die Sammelkästen können einteilig oder mehrteilig ausgebildet sein. Markant ist ein Teil, welches einen u-förmigen Querschnitt hat, wobei der Basisabschnitt mit Aufnahmeöffnungen für die Rohrenden ausgestattet ist und die beiden Schenkel die beiden Wände des Sammelkastens bilden. Sind die Wände umgeformt und zur Bildung eines Raumes zusammengeführt, liegen einteilige Sammelkästen vor. Bleiben die Wände im Wesentlichen eben, ist ein zweites Teil zur Bildung eines geschlossenen Raumes notwendig, weshalb dann zweiteilige Sammelkästen vorliegen. Die Aufnahmeöffnungen erstrecken sich minimal bis in die Wände des Sammelkastens hinein.The headers can be formed in one piece or multiple parts. Striking is a part which has a U-shaped cross-section, wherein the base portion is provided with receiving openings for the pipe ends and the two legs form the two walls of the collecting tank. Once the walls have been reshaped and brought together to form a room, one-piece collection boxes are available. If the walls remain essentially flat, a second part is necessary for the formation of a closed space, which is why two-part collection boxes are then present. The receiving openings extend minimally into the walls of the collecting tank.

Die Vorsprünge sind in zweckmäßiger Weise geformt, sodass das Einführen derselben in die Enden der Flachrohre unterstützt wird.The projections are appropriately shaped so that the insertion thereof into the ends of the flat tubes is assisted.

Das Zusatzteil ist ein kammartiger Blechstreifen, der umformtechnisch leicht zu bearbeiten ist, um das Zusatzteil herzustellen. Der Begriff "Streifen" umfasst im Sinne der vorliegenden Erfindung alle möglichen körperlichen Ausbildungen, sodass deshalb allgemein von einem Zusatzteil gesprochen werden kann. Die erwähnten Vorsprünge an den Streifen bzw. Zusatzteilen können erste Vorsprünge sein, für den Fall, dass am Streifen zweite Vorsprünge vorgesehen werden. Die zweiten Vorsprünge sind dann zwischen den ersten Vorsprüngen angeordnet. Die zweiten Vorsprünge verbessern die Montage bzw. die Vorbereitung des Wärmetauschers für den folgenden Lötprozess.The additional part is a comb-like sheet metal strip, which is easy to process by forming technology to produce the additional part. For the purposes of the present invention, the term "strip" encompasses all possible physical formations, so that it is therefore generally possible to speak of an additional part. The mentioned Projections on the strips or additional parts may be first projections, in the event that second projections are provided on the strip. The second protrusions are then arranged between the first protrusions. The second protrusions improve the assembly or preparation of the heat exchanger for the following soldering process.

Der Ganz-Metall-Wärmetauscher ist im breitesten Sinn überall mit Vorteilen einsetzbar, wo ein geringer Raumbedarf bei gleichzeitig guter Wärmetauscheffizienz vorhanden sein soll. Der Erfinder denkt daran, solche Wärmetauscher speziell als luftgekühlte Ladeluftkühler in Kraftfahrzeugen einzusetzen, ohne dabei jedoch irgendeine andere Einsatzmöglichkeit, speziell im Bereich Kraftfahrzeuge, auszuschließen.The all-metal heat exchanger can be used everywhere in the widest sense with advantages where a small space requirement with good heat exchange efficiency should be present. The inventor remembers to use such heat exchangers especially as air-cooled intercoolers in motor vehicles, but without excluding any other possible use, especially in the field of motor vehicles.

Ein Ganz-Metall-Wärmetauscher soll ein Wärmetauscher sein, dessen in den Ansprüchen genannten Bestandteile aus Metall, vorzugsweise aus Aluminium, bestehen, unabhängig davon, ob später andere nicht aus Metall bestehende Teile, die zum System gehören könnten, an diesem Wärmetauscher befestigt werden oder nicht.An all-metal heat exchanger is intended to be a heat exchanger whose constituents referred to in the claims are made of metal, preferably aluminum, regardless of whether later non-metallic parts which could be part of the system are attached to this heat exchanger or Not.

Die Erfindung wird nachfolgen unter Bezugnahme auf die beiliegenden Zeichnungen beschrieben.The invention will be described below with reference to the accompanying drawings.

Die Fig. 1 zeigt eine Explosionsdarstellung des erfindungsgemäßen Wärmetauschers. Die Figuren 2 und 3 zeigen perspektivische Ansichten des fertig hergestellten Wärmetauschers. Die Figuren 4 und 5 zeigen perspektivische Ansichten eines Teils des Wärmetauschers in einer Montagesituation. Die Fig. 6 zeigt das Ende eines Flachrohres.Fig. 1 shows an exploded view of the heat exchanger according to the invention. Figures 2 and 3 show perspective views of the finished heat exchanger. Figures 4 and 5 show perspective views of a portion of the heat exchanger in a mounting situation. Fig. 6 shows the end of a flat tube.

Sämtliche dargestellten Einzelteile des Wärmetauschers bestehen aus Metall, vorzugsweise aus Aluminium bzw. Aluminiumlegierungen, welches zweckmäßig mit einer Lotschicht überzogen ist. Die Einzelteile, wie Flachrohre 1, Rippen 4, Sammelkästen 6 und Seitenteile 30 werden aus Aluminiumblechen hergestellt, wodurch jedoch nicht ausgeschlossen ist, dass beispielsweise die Flachrohre 1 auch als gezogene Rohre hergestellt werden könnten. Die Flachrohre 1 haben einen etwa rechteckigen Querschnitt, wobei jedoch die Schmalseiten 2 auch etwas nach außen gewölbt sein können. Im gezeigten Ausführungsfall befinden sich Inneneinsätze 80 (Fig. 6) in den Flachrohren 1. Die Flachrohre 1 werden dann mit den Rippen 4 gestapelt, um einen Flachrohr - Rippen - Block zu bilden. Zumindest in dem Ausführungsbeispiel, welches in den Fig. 1 - 3 gezeigt ist, wurden einteilige Sammelkästen 6 vorgesehen. In jedem Fall ist aber bevorzugt vorgesehen, dass die Sammelkästen 6 auch die Rohrböden 5 umfassen, sodass also keine klassischen Rohrböden als Einzelteil vorgesehen sind, was aus den Fig. 1, 4 und 5 entnommen werden kann. Der Sammelkasten 6 weist einen Basisabschnitt 60 auf, von dem zwei abgebogene Wände 61 des Sammelkastens 6 abgehen. Die Wände 61 sind verformt und sie können mittels einer nicht gezeigten Längsschweißnaht zur Bildung des Sammelkastens 6 verbunden sein. In dem Basisabschnitt 60 sind Aufnahmeöffnungen 62 für die Flachrohrenden vorgesehen, wobei demnach die Abstände der Flachrohre 1 mit den Abständen der Aufnahmeöffnungen 62 übereinstimmen sollten. Ein recht markantes Merkmal besteht darin, dass sich die Aufnahmeöffnungen 62 bis in die Wände 61 hinein erstrecken, d. h. sie erstrecken sich bis kurz über die Biegekante der Wände 61 am Basisabschnitt 60, was deutlich genug aus der Fig. 5 beim Bezugzeichen 62 zu erkennen ist. In den gezeigten Ausführungsbeispielen befindet sich an sämtlichen Wänden 61 der beiden Sammelkästen 6 jeweils ein Streifen 10. An den Wänden 61 des einen Sammelkastens 6 wurden die Streifen 10 mit Zusatzfunktionen, wie z.B. mit Haltefunktionen 70 für nicht dargestellte Zubehörteile ausgebildet. Das Vorsehen von Streifen 10 an sämtlichen Wänden 61 ist keine zwangsläufige Maßnahme. Vorteilhaft ist es insbesondere immer dann einen Streifen 10 vorzusehen, wenn Zusatzfunktionen 70 erfüllt werden sollen. Es spräche beim vorliegenden Ausführungsbeispiel grundsätzlich nichts dagegen, auf die schmalen Streifen 10 an den Wänden 61 des linken Sammelkastens 6, die keine Zusatzfunktionen ausüben, zu verzichten und dafür dort die Lösung aus der noch nicht veröffentlichten europäischen Patentanmeldung vorzusehen, d.h. dort wären dann die Vorsprünge 11 unmittelbar an den Wänden 61 des Sammelkastens 6 angeordnet und es wären Rohrböden als Einzelteile vorhanden, wie es in der erwähnten europäischen Anmeldung gezeigt wird.All illustrated individual parts of the heat exchanger are made of metal, preferably of aluminum or aluminum alloys, which is expediently coated with a layer of solder. The items such as flat tubes 1, 4 ribs , 6 manifolds and side panels 30 are made of aluminum sheets, which, however, is not excluded that, for example, the flat tubes 1 could also be produced as drawn tubes. The flat tubes 1 have an approximately rectangular cross-section, but the narrow sides 2 can also be curved slightly outwards. In the illustrated embodiment, there are interior inserts 80 (FIG. 6) in the flat tubes 1. The flat tubes 1 are then stacked with the ribs 4 to form a flat tube fins block. At least in that Embodiment, which is shown in Figs. 1-3, one-piece manifolds 6 were provided. In any case, however, it is preferably provided that the collecting boxes 6 also include the tube plates 5 , so that therefore no classical tube plates are provided as a single part, which can be taken from Figs. 1, 4 and 5. The collecting box 6 has a base portion 60 , from which two bent walls 61 of the collecting box 6 depart. The walls 61 are deformed and they can be connected by means of a longitudinal weld, not shown, to form the header 6 . In the base portion 60 receiving openings 62 are provided for the flat tube ends, which should therefore match the spacing of the flat tubes 1 with the distances of the receiving openings 62 . A rather striking feature is that the receiving openings 62 extend into the walls 61 , ie they extend to just above the bending edge of the walls 61 on the base portion 60, which is clearly enough from the Fig. 5 at reference 62 can be seen , In the embodiments shown, in each case a strip 10 is located on all the walls 61 of the two collecting boxes 6. On the walls 61 of a collecting box 6 , the strips 10 were designed with additional functions, such as holding functions 70 for accessories not shown. The provision of strips 10 on all walls 61 is not an inevitable measure. In particular, it is advantageous to provide a strip 10 whenever additional functions 70 are to be fulfilled. In principle, there would be no objection in the present exemplary embodiment to dispense with the narrow strips 10 on the walls 61 of the left collecting tank 6, which do not have any additional functions, and to provide the solution there from the not yet published European patent application, ie the projections would then be present there 11 disposed directly on the walls 61 of the collecting tank 6 and there would be tubesheets as individual parts, as shown in the aforementioned European application.

Ein weiterer Vorteil des Streifens 10 geht aus der Fig. 3 hervor. Man kann dort erkennen, dass der Streifen 10, der mit den erwähnten Zusatzfunktionen ausgebildet ist, auch einen Beitrag zur Festigkeit des Sammelkastens 6 leisten kann. Man sieht in der Fig. 3, dass der Streifen 10 sich über einen erheblichen Teil der Wand 61 des Sammelkastens erstreckt, und er ist mit dieser Wand 61 verlötet.Another advantage of the strip 10 is apparent from Fig. 3. It can be seen there that the strip 10, which is formed with the mentioned additional functions, can also contribute to the strength of the collecting tank 6 . It can be seen in Fig. 3 that the strip 10 extends over a substantial part of the wall 61 of the collecting box, and it is soldered to this wall 61 .

Aus den Fig. 4 und 5 ist die Ausbildung des Streifens 10 bezüglich der an ihm in Abständen angeordneten Vorsprünge 11 deutlicher zu erkennen. Die Vorsprünge 11 können mit einer solchen Kontur versehen werden, dass das Hineingleiten derselben in die Flachrohre 1 erleichtert wird. Zwischen den Vorsprüngen 11, die erste Vorsprünge 11 sind, befinden sich jeweils zweite Vorsprünge 12. Wie man sieht, ist jeweils ein zweiter Vorsprung 12 zwischen zwei ersten Vorsprüngen 11 angeordnet worden. Die zweiten Vorsprünge 12 bewirken ein Gegenmoment des Streifens 10, der ansonsten, wenn sich die ersten Vorsprünge 11 in den Flachrohrenden befinden, das Bestreben haben könnte, von der Wand 61 abzustehen, was unerwünscht ist. Da die zweiten Vorsprünge 12 von außen jeweils an den Rippen 4 anliegen wird dieses verhindert, oder zumindest wird dem entgegen gewirkt.From Figs. 4 and 5, the formation of the strip 10 with respect to the projections 11 spaced at it can be seen more clearly. The projections 11 can be provided with such a contour that the sliding of the same is facilitated in the flat tubes 1 . Between the projections 11, which are first projections 11 , are each second projections 12. As can be seen, a respective second projection 12 has been arranged between two first projections 11 . The second projections 12 cause a counter-torque of the strip 10, which otherwise, when the first projections 11 are in the flat tube ends, could tend to stick from the wall 61 , which is undesirable. Since the second projections 12 rest against the ribs 4 from the outside, this is prevented, or at least counteracted.

Aus den Fig. 4 und 5 geht ferner hervor, dass es von Vorteil ist, an den Enden des Streifens 10 einen Haken 13 auszubilden, der dazu geeignet ist, das Seitenteil 30 an der äußeren Rippe 4 fest zu halten. Dadurch wird auch der Zusammenhalt des gesamten Wärmetauschers vor dem Löten unterstützt. Ferner wird auch dadurch das vorstehend erwähnte "Abstehen" des Streifens 10 von der Wand 61 unterdrückt. Außerdem kann dadurch auf die ebenfalls in der noch nicht veröffentlichten Patentanmeldung EP 05012589.7 , beispielsweise dort in der Fig. 1 mit Pos. 61 und 62 gezeigten Klammern, die die Seitenteile 30 in den stirnseitigen Öffnungen 65 des Sammelkastens 6 halten sollen, verzichtet werden, was auch ein fertigungstechnischer Vorteil ist.It is also apparent from FIGS. 4 and 5, that it is advantageous to form at the ends of the strip 10 includes a hook 13 which is suitable to hold the side part 30 on the outer rib 4 determined. This also supports the cohesion of the entire heat exchanger before soldering. Further, also by the above-mentioned "sticking" of the strip 10 is suppressed by the wall 61 . In addition, it can be applied to the also in the unpublished patent application EP 05012589.7 For example, in Fig. 1 with Fig. 61 and 62 shown brackets, which are to hold the side panels 30 in the frontal openings 65 of the collecting tank 6 , are omitted, which is also a manufacturing advantage.

Die Fig. 6 zeigt rein exemplarisch das Ende eine Flachrohres 1, bestehend aus zwei Breitseiten 3 und zwei Schmalseiten 2, in dem sich zwei Vorsprünge 11 und beispielsweise auch ein Inneneinsatz 80 befinden. Die Vorsprünge 11 werden innen an den Schmalseiten 2 dicht verlötet.Fig. 6 shows by way of example the end of a flat tube 1, consisting of two long sides 3 and two short sides 2, in which two protrusions 11 and, for example, an internal insert 80 are located. The projections 11 are soldered inside tight on the narrow sides 2 .

Insgesamt stellt die Erfindung demnach ein innovatives Produkt zur Verfügung, welches, gemessen am Stand der Technik, nur wenig Wünsche offen lässt.Overall, the invention accordingly provides an innovative product which, compared to the state of the art, leaves only little to be desired.

Claims (12)

Ganz-Metall-Wärmetauscher, bestehend aus Flachrohren (1) mit zwei Schmal - und zwei Breitseiten (2, 3) und aus Rippen (4), die gemeinsam mit den Flachrohren einen Block bilden, sowie aus wenigstens einem Sammelkasten (6), in dem die Enden der Flachrohre münden, und mit in Abständen angeordneten Vorsprüngen (11), wobei die Abstände der Vorsprünge (11) mit den Abständen der Flachrohre (1) korrespondieren, sodass die Vorsprünge (11) im Bereich der Schmalseiten (2) in die Enden der Flachrohre (1) eingreifen,
dadurch gekennzeichnet, dass die Vorsprünge (11) an einem Zusatzteil (10), ausgebildet sind, das sich entlang der Wand (61) des Sammelkastens (6) erstreckt und das damit verbunden ist.All-metal heat exchanger, consisting of flat tubes (1) with two narrow and two broad sides (2, 3) and ribs (4), which form a block together with the flat tubes, and from at least one collecting box (6), in with the ends of the flat tubes open, and with spaced-apart projections (11), wherein the spacings of the projections (11) with the spacings of the flat tubes (1) correspond, so that the projections (11) in the region of the narrow sides (2) in the Engage ends of the flat tubes (1),
characterized in that the projections (11) are formed on an auxiliary part (10) which extends along the wall (61) of the collecting box (6) and which is connected thereto. Ganz-Metall-Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass der Sammelkasten (6) zwei an einem Basisabschnitt (60) abgebogene Wände (61) aufweist, welcher mit Aufnahmeöffnungen (62) für die Rohrenden ausgebildet ist.Whole-metal heat exchanger according to claim 1, characterized in that the collecting box (6) has two walls (61) bent at a base section (60) and formed with receiving openings (62) for the pipe ends. Ganz-Metall-Wärmetauscher nach Anspruch 2, dadurch gekennzeichnet, dass die Aufnahmeöffnungen (62) bis in die Wände (61) des Sammelkastens (6) hineintreten.All-metal heat exchanger according to claim 2, characterized in that the receiving openings (62) penetrate into the walls (61) of the collecting tank (6). Ganz-Metall-Wärmetauscher nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Zusatzteil (10) von außen etwa flach an der Wand (61) des Sammelkastens (6) anliegt.Whole-metal heat exchanger according to claim 1 or 2, characterized in that the additional part (10) from the outside approximately flat against the wall (61) of the collecting tank (6). Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Zusatzteil (10) mit weiteren Funktionen ausgestattet ist, beispielsweise mit Haltefunktionen für Zubehörteile o. Ä..All-metal heat exchanger according to one of the preceding claims, characterized in that the additional part (10) is equipped with other functions, for example with holding functions for accessories o. Ä .. Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Zusatzteil (10) mit einer Kontur versehen sein kann, die der Kontur der Wand (61) des Sammelkastens entspricht.All-metal heat exchanger according to one of the preceding claims, characterized in that the additional part (10) can be provided with a contour which corresponds to the contour of the wall (61) of the collecting tank. Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (11) erste Vorsprünge (11) sind, wobei das Zusatzteil (10) zwischen den ersten Vorsprüngen (11) zweite Vorsprünge (12) aufweist.Whole-metal heat exchanger according to one of the preceding claims, characterized in that the projections (11) are first projections (11), wherein the Additional part (10) between the first projections (11) has second projections (12). Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Sammelkasten (6) stirnseitige Öffnungen (65) aufweist.All-metal heat exchanger according to one of the preceding claims, characterized in that the collecting box (6) has end-side openings (65). Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Wärmetauscher an sich bekannte Seitenteile (30) aufweist, die sich über die Länge der Flachrohre (1) erstrecken und die die stirnseitigen Öffnungen (65) der Sammelkästen (6) verschließen.All-metal heat exchanger according to one of the preceding claims, characterized in that the heat exchanger has per se known side parts (30) which extend over the length of the flat tubes (1) and the end-side openings (65) of the collecting boxes (6). close. Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Zusatzteil (10) am Ende mit einem Haken (13) oder dergleichen ausgebildet ist, geeignet dazu, ein Seitenteil 30 des Wärmetauschers zu fixieren.All-metal heat exchanger according to one of the preceding claims, characterized in that the additional part (10) is formed at the end with a hook (13) or the like, suitable for fixing a side part 30 of the heat exchanger. Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (11) so geformt sind, beispielsweise konisch, dass das Einführen derselben in die Enden der Flachrohre (1) unterstützt wird.Whole-metal heat exchanger according to one of the preceding claims, characterized in that the projections (11) are shaped, for example conical, that the insertion of the same into the ends of the flat tubes (1) is supported. Ganz-Metall-Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Wärmetauscher vorzugsweise als luftgekühlter Ladeluftkühler einsetzbar ist.All-metal heat exchanger according to one of the preceding claims, characterized in that the heat exchanger is preferably used as an air-cooled intercooler.
EP05020325A 2005-06-11 2005-09-17 All-metal heat exchanger Withdrawn EP1764570A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05020325A EP1764570A1 (en) 2005-09-17 2005-09-17 All-metal heat exchanger
US11/916,459 US20080230213A1 (en) 2005-06-11 2006-02-18 Fully-Metal Heat Exchanger And Method For Its Production
KR1020087000720A KR100957665B1 (en) 2005-06-11 2006-02-18 Fully-Metal Heat Exchanger and Method for its Production
BRPI0611998-0A BRPI0611998A2 (en) 2005-06-11 2006-02-18 full metal heat exchanger and method for its production
PCT/EP2006/001487 WO2006133748A1 (en) 2005-06-11 2006-02-18 Fully-metal heat exchanger and method for its production
ES06707072T ES2302323T3 (en) 2005-06-11 2006-02-18 ENTIRE METALLIC HEAT EXCHANGERS AND PROCEDURE FOR MANUFACTURING.
EP06707072A EP1774245B1 (en) 2005-06-11 2006-02-18 Fully-metal heat exchanger and method for its production
DE502006000358T DE502006000358D1 (en) 2005-06-11 2006-02-18 ALL-METAL HEAT EXCHANGER AND METHOD FOR THE PRODUCTION THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05020325A EP1764570A1 (en) 2005-09-17 2005-09-17 All-metal heat exchanger

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EP1764570A1 true EP1764570A1 (en) 2007-03-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006057314B4 (en) * 2005-12-09 2010-04-08 DENSO CORPORATION, Kariya-shi heat exchangers
DE102010009533B3 (en) * 2010-02-26 2011-06-22 Modine Manufacturing Co., Wis. Heat exchanger e.g. charge air- or exhaust gas heat exchanger, has row of openings arranged in housing parts, and projections internally lying at narrow walls of flat tubes and extending through openings into ends of flat tubes
US8844504B2 (en) 2010-03-18 2014-09-30 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
DE102013218164B4 (en) 2012-09-14 2018-12-20 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Intercooler

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DE1953438A1 (en) * 1968-10-23 1970-04-30 Chausson Usines Sa Heat exchanger for cooling flow media, especially oil
GB2048451A (en) * 1979-04-21 1980-12-10 Imi Marston Radiators Ltd Tubular heat exchangers
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EP0479012A1 (en) * 1990-10-05 1992-04-08 Behr GmbH & Co. Heat exchanger
EP0704666A1 (en) * 1994-09-29 1996-04-03 Zexel Corporation Heat exchanger
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DE19935688A1 (en) * 1999-07-29 2001-02-01 Behr Gmbh & Co Heat transfer element for coolant cooling comprises oval tubes in ribbed block clamped together at their ends by U-section clamping element soldered into tube ends.
US20010040021A1 (en) * 2000-01-28 2001-11-15 Stephane Avequin Heat-exchange module, for a motor vehicle in particular
WO2005050120A1 (en) * 2003-11-20 2005-06-02 Behr Gmbh & Co. Kg Heat exchanger, especially charge air cooler for motor vehicles

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1953438A1 (en) * 1968-10-23 1970-04-30 Chausson Usines Sa Heat exchanger for cooling flow media, especially oil
GB2048451A (en) * 1979-04-21 1980-12-10 Imi Marston Radiators Ltd Tubular heat exchangers
DE3809944A1 (en) * 1988-03-24 1989-10-12 Sueddeutsche Kuehler Behr Heat exchanger, in particular a radiator for an internal-combustion engine of a motor vehicle, and method for producing it
DE3834822A1 (en) * 1988-10-13 1990-04-19 Sueddeutsche Kuehler Behr Heat exchanger
EP0479012A1 (en) * 1990-10-05 1992-04-08 Behr GmbH & Co. Heat exchanger
EP0704666A1 (en) * 1994-09-29 1996-04-03 Zexel Corporation Heat exchanger
DE19857435A1 (en) * 1997-12-22 1999-06-24 Valeo Thermique Moteur Sa heat exchanger
DE19935688A1 (en) * 1999-07-29 2001-02-01 Behr Gmbh & Co Heat transfer element for coolant cooling comprises oval tubes in ribbed block clamped together at their ends by U-section clamping element soldered into tube ends.
US20010040021A1 (en) * 2000-01-28 2001-11-15 Stephane Avequin Heat-exchange module, for a motor vehicle in particular
WO2005050120A1 (en) * 2003-11-20 2005-06-02 Behr Gmbh & Co. Kg Heat exchanger, especially charge air cooler for motor vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006057314B4 (en) * 2005-12-09 2010-04-08 DENSO CORPORATION, Kariya-shi heat exchangers
DE102010009533B3 (en) * 2010-02-26 2011-06-22 Modine Manufacturing Co., Wis. Heat exchanger e.g. charge air- or exhaust gas heat exchanger, has row of openings arranged in housing parts, and projections internally lying at narrow walls of flat tubes and extending through openings into ends of flat tubes
US8844504B2 (en) 2010-03-18 2014-09-30 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
DE102013218164B4 (en) 2012-09-14 2018-12-20 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Intercooler

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