EP2299223A2 - Flat pipe for a heat exchanger - Google Patents
Flat pipe for a heat exchanger Download PDFInfo
- Publication number
- EP2299223A2 EP2299223A2 EP10175275A EP10175275A EP2299223A2 EP 2299223 A2 EP2299223 A2 EP 2299223A2 EP 10175275 A EP10175275 A EP 10175275A EP 10175275 A EP10175275 A EP 10175275A EP 2299223 A2 EP2299223 A2 EP 2299223A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sections
- flat tube
- side wall
- cross
- metal strip
- 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- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
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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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- 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
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
Definitions
- the invention relates to a flat tube for a heat exchanger according to the preamble of claim 1 and a heat exchanger with a stack of flat tubes according to the invention.
- DE 37 25 602 A1 describes a flat tube for a heat exchanger in which a sheet metal stiffener is folded several times around a longitudinal direction of the flat tube, so that two parallel side walls and a plurality of webs arranged between the side walls for dividing the flat tube into a plurality, extending in the longitudinal direction chambers are formed. At least one of the two side walls is formed as a continuous, continuous part of the metal strip.
- a respective separating section is formed between successive sections of the two side walls, by which adjacent chambers of the flat tube are separated from one another.
- the separating sections have a course which is not perpendicular to the side walls, at least in sections.
- an angle between the separating section and a perpendicular to the side walls between 5 ° and 60 °, more preferably between 10 ° and 45 °.
- This arrangement and orientation of the separating sections gives good mechanical stability of the flat tube and allows a good hydraulic cross section of the chambers separated by the separating sections for a given length of the cross-sectional line.
- the chambers of the flat tube formed by the separating sections can have a substantially triangular cross-section.
- At least one of the separating sections has a contact area formed by a multiple folding, which runs parallel to an adjacent separating section and rests flat against the latter.
- At least one short side wall of the flat tube has at least a double position of the sheet metal strip. This will cause the short sidewall stabilized and less sensitive, for example against falling rocks. Depending on the requirements but may also be present only single-walled design of the side walls of a flat tube according to the invention.
- a resilient expansion in the direction of the long sides which is caused by a displacement of portions of the cross-sectional line to each other by a flat pressure force on the parallel long side walls. This can generally be done an improved adjustment and adjustment of the flat tube during assembly, for example, during insertion into passages of a floor.
- the sheet metal strip consists of a preferably double-sided solder-plated aluminum-based sheet.
- the object of the invention is achieved for a heat exchanger by a heat exchanger with a stack of flat tubes according to the invention.
- a heat exchanger with a stack of flat tubes according to the invention.
- layers of ribs are provided between the flat tubes of the stack, wherein the flat tubes and the ribs are preferably connected together in a material-locking manner by soldering.
- FIG. 1 and Fig. 2 illustrated first embodiment shows a flat tube, which is made of a sheet metal strip from both sides solder-plated aluminum sheet.
- the sheet metal strip is folded several times around a longitudinal direction L of the flat tube, so that a first long side wall 1 and a second long side wall 2 and substantially perpendicular short side walls 3, 4 are formed by forming a plurality of sections 1a-1e, 2a-2d.
- the first long side wall 1 here comprises five sections 1a-1e, and the second long side long side wall 2 comprises a total of four sections 2a-2d.
- Fig. 2 shows a plan view of the cross section of the flat tube Fig. 1 or a frontal plan view in the longitudinal direction L.
- a cross-sectional line of sheet metal strip which illustrates its folding in otherwise prismatic shape with respect to the longitudinal direction L.
- At least one further section of the cross-sectional line arranged which is formed either as one of the short side walls 3, 4 or as between the parallel long side walls 1, 2 extending separating portion 5.
- each of the chambers 6 has an approximately triangular cross-sectional shape.
- the number of chambers thus corresponds to the sum of the numbers of sections of the long side walls 1, 2.
- Each of the chambers 6 thus has two sides, which are formed as separating sections 5 or as a short side 3, 4 and a side which is formed as a portion of one of the two side walls 1, 2.
- separating sections 5 which form the sides of one of the chambers 6, meet one another, they lie flat against one another over a given length over an abutment region 7.
- the abutment region 7 is formed by a multiple folding of the separating sections 5, which in addition to their folds at the transition to a section of the side walls 1, 2 can have up to two additional folds or kinks, see for example separating section 5c and separating section 5f.
- the separating sections are each inclined by an angle W relative to a perpendicular to the long side walls 1, 2.
- the angle W is in the presently shown, to scale example Fig. 2 between about 15 ° and about 25 ° depending on Tiennabêt.
- the present flat tube is particularly suitable when exerting a flat pressing force on the long side walls 1, 2 a to perform elastic expansion in the direction of the long sides 1, 2, wherein its diameter is reduced in the direction of the short sides 3, 4, for example, under curvature or inclination of the short sides 3, 4.
- the contact areas 7 due to their given Length ensures that even with such a resilient expansion at each contact point of each section a secure soldering is ensured by a shift of sections of the cross-sectional line is made to each other. It is understood that this resilient expansion takes place only in a relatively small proportion to the expansion of the flat tube, but this is advantageous to compensate for dimensional tolerances in the manufacture of the flat tube and the flat tube receiving structures such as passages of trays of collectors, etc.
- a heat exchanger with the illustrated flat tube according to the invention, several of the flat tubes are stacked on top of one another alternately with layers of rib plates, for example rib ribs or corrugated ribs.
- the ends of the flat tubes are inserted into suitable passages of trays of collectors of the heat exchanger, after which at least the trays, the flat tubes and the fin plates are brazed together as a common cassette block in a brazing furnace.
- the individual sections are integrally connected to each other in the contact areas 7, so that each one of the chambers 6 of the flat tube is formed fluid-tight and pressure-resistant.
- FIG. 3 and FIG. 4 show one opposite Fig. 1 and Fig. 2 modified embodiment in which the only difference is not the end-side separating portions 5a and 5h form the two ends of the cross-sectional line, but in each case an extension 3a, 4a parallel to the short side walls 3, 4 is present.
- the side walls 3, 4 are formed as a double, surface soldered layer of aluminum sheet. This stabilizes the short side walls 3, 4 and protects against perforation of the flat tube, for example by rockfall.
- the production takes place by rolling or folding in the longitudinal or transverse direction, whereby combined production methods are possible. It is conceivable to provide the individual sections with structures for generating turbulence. In the case of the sections of the side walls 1, 2, this can be done by embossed winglets, nubs or the like. In the case of the separating sections 5, apertures may alternatively or additionally be present in addition to such impressions.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Die Erfindung betrifft ein Flachrohr für einen Wärmetauscher nach dem Oberbegriff des Anspruchs 1 sowie einen Wärmetauscher mit einem Stapel von erfindungsgemäßen Flachrohren.The invention relates to a flat tube for a heat exchanger according to the preamble of
Es ist die Aufgabe der Erfindung, ein Flachrohr für einen Wärmetauscher anzugeben, das bei geringem Materialverbrauch eine hohe Festigkeit aufweist.It is the object of the invention to provide a flat tube for a heat exchanger, which has high strength with low material consumption.
Diese Aufgabe wird für ein eingangs genanntes Flachrohr erfindungsgemäß mit den kennzeichnenden Merkmaien des Anspruchs 1 gelöst. Die abwechselnde Anordnung der Abschnitte erlaubt eine hohe Druckfestigkeit der hierdurch gebildeten Kammern des Flachrohres.This object is achieved according to the invention for an initially mentioned flat tube with the characterizing Merkmaien of
In bevorzugter Ausführungsform ist zwischen aufeinander folgenden Abschnitten der beiden Seitenwände jeweils ein Trennabschnitt ausgebildet, durch den benachbarte Kammern des Flachrohres voneinander getrennt sind. Besonders bevorzugt haben die Trennabschnitte einen zumindest abschnittsweise zu den Seitenwänden nicht senkrechten Verlauf. Bevorzugt beträgt ein Winkel zwischen dem Trennabschnitt und einer zu den Seitenwänden Senkrechten zwischen 5° und 60°, besonders bevorzugt zwischen 10° und 45°. Durch diese Anordnung und Orientierung der Trennabschnitte ist eine gute mechanische Stabilität des Flachrohrs gegeben und ein guter hydraulischer Querschnitt der durch die Trennabschnitte separierten Kammern bei gegebener Länge der Querschnittslinie ermöglicht. Insbesondere können die durch die Trennabschnitte ausgebildeten Kammern des Flachrohres einen im Wesentlichen dreieckigen Querschnitt aufweisen.In a preferred embodiment, a respective separating section is formed between successive sections of the two side walls, by which adjacent chambers of the flat tube are separated from one another. Particularly preferably, the separating sections have a course which is not perpendicular to the side walls, at least in sections. Preferably, an angle between the separating section and a perpendicular to the side walls between 5 ° and 60 °, more preferably between 10 ° and 45 °. This arrangement and orientation of the separating sections gives good mechanical stability of the flat tube and allows a good hydraulic cross section of the chambers separated by the separating sections for a given length of the cross-sectional line. In particular, the chambers of the flat tube formed by the separating sections can have a substantially triangular cross-section.
Bei einer besonders bevorzugten Weiterbildung weist dabei zumindest einer der Trennabschnitte einen durch eine mehrfache Faltung ausgebildeten Anlagebereich auf, der parallel zu einem benachbarten Trennabschnitt verläuft und flächig an diesem anliegt. Hierdurch ist zum einen ein großer Hub im Zuge einer mechanischen Kompression des Flachrohrs während einer Montage ermöglicht und zum anderen eine besonders flächige und somit stabile stoffschlüssige Verbindung der Anlagebereiche, zum Beispiel mittels einer Verlötung.In a particularly preferred development, at least one of the separating sections has a contact area formed by a multiple folding, which runs parallel to an adjacent separating section and rests flat against the latter. In this way, on the one hand a large stroke in the course of a mechanical compression of the flat tube during assembly allows and on the other hand a particularly flat and thus stable cohesive connection of the investment areas, for example by means of a soldering.
Bei einer bevorzugten Ausführungsform der Erfindung ist es vorgesehen, dass zumindest eine kurze Seitenwand des Flachrohrs eine zumindest doppelte Lage des Blechstreifens aufweist. Hierdurch wird die kurze Seitenwand stabilisiert und unempfindlicher, zum Beispiel gegen Steinschlag. Je nach Anforderungen kann aber auch eine nur einwandige Ausgestaltung der Seitenwände eines erfindungsgemäßen Flachrohres vorliegen.In a preferred embodiment of the invention, it is provided that at least one short side wall of the flat tube has at least a double position of the sheet metal strip. This will cause the short sidewall stabilized and less sensitive, for example against falling rocks. Depending on the requirements but may also be present only single-walled design of the side walls of a flat tube according to the invention.
Allgemein vorteilhaft ist es vorgesehen, dass durch eine flächige Andruckkraft auf die parallelen langen Seitenwände eine federelastische Ausdehnung in Richtung der langen Seiten erfolgt, die durch ein Verschieben von Abschnitten der Querschnittslinie zueinander bedingt ist. Hierdurch kann allgemein eine verbesserte Anpassung und Justage des Flachrohrs während einer Montage, zum Beispiel während eines Einfügens in Durchzüge eines Bodens, erfolgen.Generally, it is provided that a resilient expansion in the direction of the long sides, which is caused by a displacement of portions of the cross-sectional line to each other by a flat pressure force on the parallel long side walls. This can generally be done an improved adjustment and adjustment of the flat tube during assembly, for example, during insertion into passages of a floor.
Bei einer bevorzugten Ausführungsform besteht der Blechstreifen aus einem bevorzugt beidseitig lotplattiertem Blech auf Aluminiumbasis.In a preferred embodiment, the sheet metal strip consists of a preferably double-sided solder-plated aluminum-based sheet.
Die Aufgabe der Erfindung wird für einen Wärmetauscher durch einen Wärmetauscher mit einem Stapel aus erfindungsgemäßen Flachrohren gelöst. In bevorzugter Detailgestaltung sind zwischen den Flachrohren des Stapels dabei jeweils Lagen von Rippen vorgesehen, wobei die Flachrohre und die Rippen bevorzugt durch Verlötung stoffschlüssig miteinander verbunden sind.The object of the invention is achieved for a heat exchanger by a heat exchanger with a stack of flat tubes according to the invention. In a preferred detailed design, in each case layers of ribs are provided between the flat tubes of the stack, wherein the flat tubes and the ribs are preferably connected together in a material-locking manner by soldering.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus den nachfolgend beschriebenen Ausführungsbeispielen sowie aus den abhängigen Ansprüchen.Further advantages and features of the invention will become apparent from the embodiments described below and from the dependent claims.
Nachfolgend werden bevorzugte Ausführungsbeispiele der Erfindung beschrieben und anhand der anliegenden Zeichnungen näher erläutert.
- Fig.
- 1 zeigt eine räumliche Ansicht eines ersten Ausführungsbeispiels eines erfindungsgemäßen Flachrohrs.
- Fig. 2
- zeigt eine Draufsicht auf das Flachrohr aus
Fig. 1 in einer Längs- richtung. - Fig. 3
- zeigt eine räumliche Ansicht eines zweiten Ausführungsbeispiels der Erfindung.
- Fig. 4
- zeigt eine Draufsicht auf das Flachrohr aus
Fig. 3 in einer Längs- richtung.
- FIG.
- 1 shows a three-dimensional view of a first exemplary embodiment of a flat tube according to the invention.
- Fig. 2
- shows a plan view of the flat tube
Fig. 1 in a longitudinal direction. - Fig. 3
- shows a spatial view of a second embodiment of the invention.
- Fig. 4
- shows a plan view of the flat tube
Fig. 3 in a longitudinal direction.
Das in
Die erste lange Seitenwand 1 umfasst vorliegend fünf Abschnitte 1a-1e, und die zweite lange Seite lange Seitenwand 2 umfasst insgesamt vier Abschnitte 2a-2d.The first
Zwischen zwei der aufeinander folgenden Abschnitte der langen Seitenwände 1, 2 ist dabei jeweils zumindest ein weiterer Abschnitt der Querschnittslinie angeordnet, der entweder als eine der kurzen Seitenwände 3, 4 oder als ein sich zwischen den parallelen langen Seitenwänden 1, 2 erstreckender Trennabschnitt 5 ausgebildet ist.Between two of the successive sections of the
Vorliegend sind insgesamt acht Trennabschnitte 5a-5h ausgebildet, also ein Abschnitt weniger als die Gesamtanzahl der Abschnitte der langen Seitenwände 1, 2. Durch die Trennabschnitte 5 und die kurzen Seitenwände 3, 4 werden insgesamt neun voneinander separierte Kammern 6 ausgebildet, wobei jede der Kammern 6 eine annähernd dreieckige Querschnittsform aufweist. Die Anzahl der Kammern entspricht somit der Summe der Anzahlen der Abschnitte der langen Seitenwände 1, 2.In the present case, a total of eight separating
Jede der Kammern 6 hat somit zwei Seiten, die als Trennabschnitte 5 oder als kurze Seite 3, 4 ausgebildet sind sowie eine Seite, die als ein Abschnitt einer der beiden Seitenwände 1, 2 ausgebildet ist. An den Stellen, an denen zwei Trennabschnitte 5, die die Seiten einer der Kammern 6 bilden, aufeinander treffen, liegen sie über eine gegebene Länge über einen Anlagebereich 7 flächig aneinander an. Der Anlagebereich 7 ist durch eine mehrfache Faltung der Trennabschnitte 5 ausgebildet, die zusätzlich zu ihren Faltungen am Übergang zu einem Abschnitt der Seitenwände 1, 2 bis zu zwei zusätzliche Faltungen bzw. Abknickungen aufweisen können, siehe etwa Trennabschnitt 5c und Trennabschnitt 5f.Each of the
Die Trennabschnitte sind gegenüber einer Senkrechten zu den langen Seitenwänden 1, 2 jeweils um einen Winkel W geneigt. Der Winkel W beträgt im vorliegend dargestellten, maßstabsgerechten Beispiel nach
Durch die gewinkelte Ausbildung der Trennabschnitte 5 sowie die Anlagebereiche 7 ist das vorliegende Flachrohr in besonderem Maße geeignet, bei Ausübung einer flächigen Andruckkraft auf die langen Seitenwände 1, 2 eine federelastische Ausdehnung in Richtung der langen Seiten 1, 2 zu vollziehen, wobei sein Durchmesser in Richtung der kurzen Seiten 3, 4 verringert wird, zum Beispiel unter Aufwölbung oder Schrägstellung der kurzen Seiten 3, 4. Dabei sorgen insbesondere die Anlagebereiche 7 auf Grund ihrer gegebenen Länge dafür, dass auch bei einer solchen federelastischen Ausdehnung an jeder Kontaktstelle der einzelnen Abschnitte eine sichere Verlötung gewährleistet ist, indem eine Verschiebung von Abschnitten der Querschnittslinie zueinander erfolgt. Es versteht sich, dass diese federelastische Ausdehnung nur in einem relativ kleinen Verhältnis zur Ausdehnung des Flachrohrs erfolgt, was jedoch zum Ausgleich von Maßtoleranzen bei der Fertigung des Flachrohrs sowie das Flachrohr aufnehmender Strukturen wie etwa Durchzüge von Böden von Sammlern etc. vorteilhaft ist.Due to the angled design of the separating sections 5 and the
Zur Ausbildung eines Wärmetauschers mit dem gezeigten erfindungsgemäßen Flachrohr werden mehrere der Flachrohre alternierend mit Lagen von Rippenblechen, zum Beispiel Stegrippen oder Wellrippen, aufeinander gestapelt. Die Enden der Flachrohre werden in geeignete Durchlüge von Böden von Sammlern des Wärmetauschers eingeführt, wonach zumindest die Böden, die Flachrohre und die Rippenbleche als gemeinsamer kassettierter Block in einem Lötofen miteinander verlötet werden. Dabei werden in den Anlagebereichen 7 die einzelnen Abschnitte stoffschlüssige miteinander verbunden, so dass jede einzelne der Kammern 6 des Flachrohrs fluiddicht und druckfest ausgebildet ist.To form a heat exchanger with the illustrated flat tube according to the invention, several of the flat tubes are stacked on top of one another alternately with layers of rib plates, for example rib ribs or corrugated ribs. The ends of the flat tubes are inserted into suitable passages of trays of collectors of the heat exchanger, after which at least the trays, the flat tubes and the fin plates are brazed together as a common cassette block in a brazing furnace. In this case, the individual sections are integrally connected to each other in the
Claims (11)
dadurch gekennzeichnet,
dass die erste lange Seitenwand (1) aus mehreren ersten Abschnitten (1a-1e) der Querschnittslinie ausgebildet ist, und dass die zweite Seitenwand aus mehreren zweiten Abschnitten (2a-2d) ausgebildet ist, wobei im Verlauf der Querschnittslinie die mehreren ersten Abschnitte (1a-1e) und die mehreren zweiten Abschnitte (2a-2e) abwechselnd aufeinander folgen.A flat tube for a heat exchanger, comprising a sheet metal strip, the sheet metal strip having a multiple folding around a longitudinal direction (L) of the flat tube, so that by sections (1a-1e, 2a-2e) of a cross-sectional line of the sheet metal strip, a first long side wall (1) and a substantially opposite, second long side wall (2) of the flat tube are formed,
characterized,
in that the first long side wall (1) is formed of a plurality of first portions (1a-1e) of the cross-sectional line, and that the second side wall is formed of a plurality of second portions (2a-2d), wherein in the course of the cross-sectional line, the plurality of first portions (1a -1e) and the plural second sections (2a-2e) follow one another alternately.
dadurch gekennzeichnet,
dass die erste Seitenwand (1) aus mehreren ersten Abschnitten (1a-1e) der Querschnittslinie ausgebildet ist, und dass, die zweite Seitenwand aus mehreren zweiten Abschnitten (2a-2d) ausgebildet ist, wobei im Verlauf der Querschnittslinie die mehreren ersten Abschnitte (1a-1e) und die mehreren zweiten Abschnitte (2a-2e) abwechselnd aufeinander folgen.Flat tube for a heat exchanger, comprising a metal strip, wherein the metal strip has a multiple folding around a longitudinal direction (L) of the flat tube, so that through sections (1a-1e, 2a-2e) of a cross-sectional line of the sheet metal strip, a side wall (1) and advantageously a substantially opposite, second side wall (2) of the round or oval tube are formed,
characterized,
in that the first side wall (1) is formed from a plurality of first sections (1a-1e) of the cross-sectional line, and in that the second side wall is formed from a plurality of second sections (2a-2d), wherein in the course of the cross-sectional line the plurality of first sections (1a -1e) and the plural second sections (2a-2e) follow one another alternately.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009041618A DE102009041618A1 (en) | 2009-09-17 | 2009-09-17 | Flat tube for a heat exchanger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2299223A2 true EP2299223A2 (en) | 2011-03-23 |
EP2299223A3 EP2299223A3 (en) | 2013-12-11 |
Family
ID=43334503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10175275.6A Withdrawn EP2299223A3 (en) | 2009-09-17 | 2010-09-03 | Flat pipe for a heat exchanger |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2299223A3 (en) |
DE (1) | DE102009041618A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020073744A1 (en) * | 2018-10-11 | 2020-04-16 | 丹佛斯有限公司 | Pipe assembly and heat exchanger |
Citations (6)
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DE2031904A1 (en) * | 1970-06-27 | 1972-01-13 | Siemens Ag | Tube shaped profiles - with axial separation wall from strip |
DE3327660A1 (en) * | 1983-06-20 | 1984-12-20 | Motoren Turbinen Union | Method for the production of small shaped tubes for tubular heat exchangers |
DE3610618A1 (en) * | 1986-03-29 | 1987-10-01 | Mtu Muenchen Gmbh | PROFILE TUBE WITH ELLIPTICAL OR LANZETT-SHAPED SECTION FOR TUBE HEAT EXCHANGER AND METHOD FOR THE PRODUCTION THEREOF |
JPH11101586A (en) * | 1997-09-26 | 1999-04-13 | Toyo Radiator Co Ltd | Flat tube for heat exchanger |
DE102006054036A1 (en) * | 2006-11-16 | 2008-05-21 | Behr Gmbh & Co. Kg | Flat tube, in particular for a heat exchanger |
DE102008007610A1 (en) * | 2008-02-04 | 2009-08-06 | Behr Gmbh & Co. Kg | Multi-chamber flat tube for use in e.g. high temperature heat exchanger, to exchange heat between exhaust gas and coolant in motor vehicle, has bar with edge portions partially formed as part of side sections of metal strip |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3725602A1 (en) | 1987-08-01 | 1989-02-09 | Sueddeutsche Kuehler Behr | FLAT TUBE FOR A HEAT EXCHANGER |
DE19635456A1 (en) * | 1996-08-31 | 1998-03-05 | Behr Gmbh & Co | Heat exchanger, especially for vehicle air conditioning |
DE10201512A1 (en) * | 2002-01-17 | 2003-07-31 | Behr Gmbh & Co | Multi-chamber flat tube |
DE102006054814B4 (en) * | 2006-11-22 | 2010-07-01 | Modine Manufacturing Co., Racine | Soldered flat tube for capacitors and / or evaporators |
DE102008007611A1 (en) * | 2008-02-04 | 2009-08-06 | Behr Gmbh & Co. Kg | Multi-chamber flat pipe for use in e.g. exhaust gas cooler, in internal-combustion engine of motor vehicle, has bar formed with edge sections of side section of metal strip and part of edge sections forming arrangement for bar flap |
-
2009
- 2009-09-17 DE DE102009041618A patent/DE102009041618A1/en not_active Withdrawn
-
2010
- 2010-09-03 EP EP10175275.6A patent/EP2299223A3/en not_active Withdrawn
Patent Citations (6)
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DE2031904A1 (en) * | 1970-06-27 | 1972-01-13 | Siemens Ag | Tube shaped profiles - with axial separation wall from strip |
DE3327660A1 (en) * | 1983-06-20 | 1984-12-20 | Motoren Turbinen Union | Method for the production of small shaped tubes for tubular heat exchangers |
DE3610618A1 (en) * | 1986-03-29 | 1987-10-01 | Mtu Muenchen Gmbh | PROFILE TUBE WITH ELLIPTICAL OR LANZETT-SHAPED SECTION FOR TUBE HEAT EXCHANGER AND METHOD FOR THE PRODUCTION THEREOF |
JPH11101586A (en) * | 1997-09-26 | 1999-04-13 | Toyo Radiator Co Ltd | Flat tube for heat exchanger |
DE102006054036A1 (en) * | 2006-11-16 | 2008-05-21 | Behr Gmbh & Co. Kg | Flat tube, in particular for a heat exchanger |
DE102008007610A1 (en) * | 2008-02-04 | 2009-08-06 | Behr Gmbh & Co. Kg | Multi-chamber flat tube for use in e.g. high temperature heat exchanger, to exchange heat between exhaust gas and coolant in motor vehicle, has bar with edge portions partially formed as part of side sections of metal strip |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020073744A1 (en) * | 2018-10-11 | 2020-04-16 | 丹佛斯有限公司 | Pipe assembly and heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
DE102009041618A1 (en) | 2011-03-24 |
EP2299223A3 (en) | 2013-12-11 |
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