DE102004012427A1 - Heat exchanger network and corrugated fin - Google Patents
Heat exchanger network and corrugated fin Download PDFInfo
- Publication number
- DE102004012427A1 DE102004012427A1 DE102004012427A DE102004012427A DE102004012427A1 DE 102004012427 A1 DE102004012427 A1 DE 102004012427A1 DE 102004012427 A DE102004012427 A DE 102004012427A DE 102004012427 A DE102004012427 A DE 102004012427A DE 102004012427 A1 DE102004012427 A1 DE 102004012427A1
- Authority
- DE
- Germany
- Prior art keywords
- heat exchanger
- wave
- cuts
- exchanger network
- flanks
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
-
- 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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
- F28F1/128—Fins with openings, e.g. louvered fins
-
- 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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
Landscapes
- 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
Die Erfindung betrifft ein Wärmetauschernetz mit wenigstens einer Reihe aus Flachrohren (1), durch die eine Flüssigkeit oder ein Gas strömt, mit dazwischen angeordneten Wellrippen (2), durch deren Wellenflanken (3) Kanäle (4) mit einem Lufteintritt (5) und einem Luftaustritt (6) gebildet sind, durch die Kühlluft hindurchströmt, wobei das Wärmetauschernetz vertikal zur Kühlluftströmungsrichtung angeordnet ist. Die Effizien des Wärmetausches wird dadurch verbessert, dass der jeweilige Lufteintritt (5) der Kanäle (4) versetzt zum jeweiligen Luftaustritt (6) der Kanäle (4) angeordnet ist, wobei sich der Versatz (40) entsprechend dem Winkel (beta) zwischen der schrägen Wellenlaufrichtung (30) und der Vertikalen (50) bzw. der Horizontalen (60) ergibt. DOLLAR A Die mittels Walzen hergestellte Wellrippe weist Wellenflanken (3) auf, die einen Neigungswinkel zu den Rändern (40) des Metallbandes besitzen, wobei durch deren zwischen den Wellenflanken (3) gebildeten Kanäle (4) Kühlluft strömt. Die Wellrippe zeichnet sich dadurch aus, dass in den Wellenflanken (3) Schnitte (7) angeordnet, die aus der Ebene der Wellenflanke (3) herausgestellt sind.The invention relates to a heat exchanger network with at least one row of flat tubes (1), through which a liquid or gas flows, with corrugated fins (2) arranged therebetween, through whose wave flanks (3) channels (4) with an air inlet (5) and a Air outlet (6) are formed, flows through the cooling air, wherein the heat exchanger network is arranged vertically to the cooling air flow direction. The efficiency of the heat exchange is improved in that the respective air inlet (5) of the channels (4) offset from the respective air outlet (6) of the channels (4) is arranged, wherein the offset (40) corresponding to the angle (beta) between the oblique wave direction (30) and the vertical (50) and the horizontal (60) results. DOLLAR A The corrugated rib produced by rolling has wave flanks (3), which have an inclination angle to the edges (40) of the metal strip, with cooling air flowing through the channels (4) formed between the wave flanks (3). The corrugated rib is characterized in that cuts (7) which are exposed from the plane of the corrugation flank (3) are arranged in the corrugated flanks (3).
Description
Die Erfindung betrifft ein Wärmetauschernetz mit wenigstens einer Reihe aus Flachrohren, durch die eine Flüssigkeit oder ein Gas strömt, mit dazwischen angeordneten Wellrippen, deren Wellenflanken Kanäle mit einem Lufteintritt und einem Luftaustritt bilden, durch die Kühlluft hindurchströmt, wobei das Wärmetauschernetz senkrecht zur Kühlluftströmungsrichtung angeordnet ist.The The invention relates to a heat exchanger network with at least one row of flat tubes through which a liquid or a gas is flowing, with interposed corrugated ribs, whose wave flanks channels with a Air inlet and form an air outlet through which cooling air flows through, wherein the heat exchanger network perpendicular to the cooling air flow direction is arranged.
Außerdem betrifft die Erfindung Wellrippen, die Bestandteil eines Wärmetauschernetzes sind.It also concerns the invention corrugated fins that form part of a heat exchanger network are.
Die senkrechte Anordnung solcher Wärmetauschernetze im Kühlluftstrom ist insbesondere in Einsatzfällen im Automobilbereich diejenige, die am meisten anzutreffen ist.The vertical arrangement of such heat exchanger networks in the cooling air flow is especially in use cases in the automotive sector, the one that is the most common.
Es gibt Ausnahmen, in denen das Wärmetauschernetz mit einem Neigungswinkel zur anströmenden Kühlluft angeordnet werden muss, die meistens durch Einbauzwänge verursacht werden.It There are exceptions in which the heat exchanger network must be arranged with an angle of inclination to the incoming cooling air, mostly by installation constraints caused.
Aus
der
Die Aufgabe der Erfindung besteht darin, ein Wärmetauschernetz und eine dafür geeignete Wellrippe vorzuschlagen, die für die senkrechte Anordnung des Wärmetauschernetzes eine verbesserte Effizienz des Wärmetausches verspricht. Diese Aufgabe wird durch die Merkmale aus dem Anspruch 1 erfindungsgemäß gelöst, wobei diese Lösung die bevorzugte von zwei alternativen Lösungen ist.The The object of the invention is a heat exchanger network and a suitable Well rib to be proposed for the vertical arrangement of the heat exchanger network an improved efficiency of the heat exchange promises. This object is achieved by the features of the claim 1 solved according to the invention, wherein this solution which is the preferred of two alternative solutions.
Der Anspruch 11 beschreibt die zweite erfindungsgemäße Lösung, in der vorgesehen ist, dass der jeweilige Lufteintritt der Kanäle ohne Versatz zum jeweiligen Luftaustritt der Kanäle angeordnet ist, wobei die Wellenflanken eine Kontur aufweisen, die aus einem einzigen Bogen besteht.Of the Claim 11 describes the second solution according to the invention, in which it is provided that the respective air inlet of the channels without offset to the respective Air outlet of the channels is arranged, wherein the wave flanks have a contour, the consists of a single sheet.
Weil, wie es die erste Lösung vorsieht, die durch die Wellenflanken gebildeten Kanäle der Wellrippen so ausgebildet sind, dass der jeweilige Lufteintritt in jeden der Kanäle versetzt zum jeweiligen Luftaustritt aus jedem der Kanäle angeordnet ist, wird jedes Luftteilchens zu einem intensiven Kontakt mit den Wellenflanken gezwungen. Bei vertikal stehenden Flachrohren mit erfindungsgemäßen Wellrippen kann die Luft nicht mehr, wie beim Stand der Technik, horizontal durch die Kanäle hindurchströmen, denn sie wird um den Versatz in der Vertikalen umgelenkt. Wählt man hingegen horizontal liegende Flachrohre mit erfindungsgemäßen Wellrippen dazwischen, so wird die horizontal strömende Kühlluft entsprechend dem Versatz in der Horizontalen umgelenkt.Because, as the first solution provides, the channels formed by the corrugations of the corrugated fins are formed so that the respective air inlet into each of channels offset from the respective air outlet from each of the channels arranged is, each air particle becomes an intense contact with the Wave flanks forced. For vertical flat tubes with Corrugated ribs according to the invention can the air is no longer horizontal, as in the prior art the channels flow through, because it is redirected by the offset in the vertical. You choose however, horizontal flat tubes with corrugated fins according to the invention in between, the horizontally flowing cooling air becomes the offset deflected in the horizontal.
Die Größe des Versatzes wird durch die Größe des Winkels zwischen der Wellenlaufrichtung und der Vertikalen beeinflusst. Selbstverständlich auch durch die Tiefe des Wärmetauschernetzes. Bei einem tieferen Wärmetauschernetz ist bei gleichem Winkel der Versatz betragsmäßig größer als bei einem flacheren Wärmetauschernetz. Die Kühlluft folgt den Wellenflanken und wird dadurch umgelenkt.The Size of the offset is determined by the size of the angle between the wave direction and the vertical. Of course also through the depth of the heat exchanger network. For a deeper heat exchanger network At the same angle, the offset is greater in magnitude than in a flatter one Heat exchanger network. The cooling air follows the wave flanks and is thereby redirected.
Von ganz besonderem Vorteil ist es, wenn in einem wesentlichen Abschnitt der Wellenflanken Schnitte vorhanden sind, die aus der Ebene der jeweiligen Wellenflanke herausragen. Solche vorzugsweise kiemenartigen Schnitte sind nicht grundsätzlich neu jedoch hat sie nach Wissen der Anmelderin bisher niemand bei mit einem Neigungswinkel und/oder mit einer Kontur verlaufenden Wellungen der Wellrippe vorgesehen.From very particular advantage is when in a substantial section The wave flank cuts that are present from the plane of the protrude each wave flank. Such preferably gill-like Cuts are not basic However, to date, to the knowledge of the applicant, no one has yet added it with an inclination angle and / or with a contour running Wellings of the corrugated fin provided.
Gemäß weiterer abhängiger Ansprüche können die Schnitte unterschiedlich konfiguriert sein und bewirken besondere Vorteile. Die Flächen der Wellenflanken können eben sein oder eine Kontur besitzen. Die Schnitte bedeuten, dass die erwähnten Kanäle sowie die Luftein – und die Luftaustritte nicht so zu verstehen sind, dass die gleichen Luftteilchen, die durch einen Eintritt in den jeweiligen Kanal eintreten auch durch den zugeordneten Austritt wieder austreten. Vielmehr ist beabsichtigt, die Kanäle nicht diskret auszubilden, so dass sich wenigstens ein Teil der Kühlluft auf benachbarte Kanäle verteilen kann, bevor sie an den Austritten das Wärmetauschernetz wieder verläßt.According to others dependent claims can the cuts are configured differently and cause special Advantages. The surfaces the wave flanks can be even or have a contour. The cuts mean that the mentioned channels as well as the air inlet and the air outlets are not to be understood that the same Air particles that enter through an entrance into the respective channel also exit through the associated outlet again. Rather, it is intended the channels not discrete, so that at least a part of the cooling air on adjacent channels can disperse before returning to the exits the heat exchanger network leaves.
Die erfindungsgemäße Wellrippe zeichnet sich dadurch aus, dass in den mit einem Neigungswinkel verlaufenden Wellenflanken Schnitte angeordnet, die aus der Ebene der Wellenflanke herausgestellt sind. Eine solche erfindungsgemäße Wellrippe kann selbstverständlich auch bei einem mit einer Neigung zur Kühlluftströmungsrichtung angeordnetem Wärmetauschernetz vorgesehen werden.The Corrugated rib according to the invention is characterized by being in the one with a tilt angle extending wavefronts arranged cuts, coming out of the plane the wave flank are exposed. Such a corrugated fin according to the invention of course even with a arranged with an inclination to the cooling air flow direction heat exchanger networks be provided.
Zu dem auch vom Stand der Technik erreichten Vorteil einer längeren Verbindungsstrecke zwischen der Wellrippe und den Breitseiten der Flachrohre, die einen intensiveren Wärmeaustausch bewirkt, weil sie schräg zur Längsachse der Flachrohre verläuft, kommt erfindungsgemäß eine weiter gesteigerte Wärmetauschintensität hinzu, die sich dadurch einstellt, dass (siehe oben) jedes Kühlluftteilchen an den Wellenflanken nach oben oder nach unten bzw. nach rechts oder links umgelenkt wird. Eine besonders steigernde Wirkung auf den Wärmeaustausch besitzen die Schnitte in den Wellrippen.At the same time achieved by the prior art advantage of a longer link between The corrugated fin and the broad sides of the flat tubes, which causes a more intensive heat exchange, because it extends obliquely to the longitudinal axis of the flat tubes, according to the invention added to a further increased heat exchange intensity, which sets in that (see above) each cooling air particles on the wave flanks up or is deflected down or to the right or left. The cuts in the corrugated ribs have a particularly increasing effect on the heat exchange.
Auf den ersten Blick mag der Unterschied zum Stand der Technik relativ klein erscheinen. Es muss jedoch angefügt werden, dass die wirtschaftliche Herstellung solcher Wellrippen auf Walzmaschinen ein besonderes Know – How erfordert. Insbesondere die Anbringung der kiemenartigen Schnitte in die schräg stehenden bzw. geneigten Wellenflanken bereitet enorme Probleme, die von den Erfindern gelöst wurden.On At first glance, the difference to the state of the art may seem relative appear small. However, it must be added that the economic Production of such corrugated fins on rolling machines a special Know-how requires. In particular, the attachment of the gill-like cuts in the oblique standing or inclined wave flanks causes enormous problems, which was solved by the inventors were.
Die Erfindung wird nachfolgend in einigen Ausführungsbeispielen beschrieben.The Invention will be described below in some embodiments.
Die
Der
Wärmetauscher
ist gemäß
In
der
Da
in den Wellenflanken
Die
In
der
Die
Die
Die
Die
Die
Die
Ähnlich sind
die Verhältnisse
in den
Die
Die
erfindungsgemäßen Wellrippen
Claims (12)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004012427A DE102004012427A1 (en) | 2004-03-13 | 2004-03-13 | Heat exchanger network and corrugated fin |
EP05003995A EP1574801A3 (en) | 2004-03-13 | 2005-02-24 | Heat exchanger and corrugated fin |
US11/078,849 US20050199378A1 (en) | 2004-03-13 | 2005-03-11 | Heat exchanger core and corrugated rib |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004012427A DE102004012427A1 (en) | 2004-03-13 | 2004-03-13 | Heat exchanger network and corrugated fin |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004012427A1 true DE102004012427A1 (en) | 2005-09-29 |
Family
ID=34813695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004012427A Withdrawn DE102004012427A1 (en) | 2004-03-13 | 2004-03-13 | Heat exchanger network and corrugated fin |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050199378A1 (en) |
EP (1) | EP1574801A3 (en) |
DE (1) | DE102004012427A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007031675A1 (en) * | 2007-07-06 | 2009-01-08 | Behr Gmbh & Co. Kg | Heat exchanger, has flat current-conducting units for certain medium, and corrugated ribs with wave crests, which are arranged opposite to depth direction of exchanger in inclined manner |
DE102009021177A1 (en) | 2009-05-13 | 2010-11-18 | Behr Gmbh & Co. Kg | Fin for heat exchanger, has rib plate with multiple rib flanks extending substantially in geometric flow direction, where multiple through holes are formed with greater height than rib flanks |
DE102011004306A1 (en) * | 2011-02-17 | 2012-08-23 | Behr Gmbh & Co. Kg | Rib for a heat exchanger |
US8276652B2 (en) | 2006-04-13 | 2012-10-02 | Visteon Global Technologies, Inc. | High performance louvered fin for heat exchanger |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7267162B2 (en) * | 2005-06-10 | 2007-09-11 | Delphi Technologies, Inc. | Laminated evaporator with optimally configured plates to align incident flow |
ES2329805T3 (en) * | 2005-12-03 | 2009-12-01 | Modine Manufacturing Company | HEAT EXCHANGE HEAT, MANUFACTURING PROCEDURE AND HEAT EXCHANGER. |
US7540320B1 (en) * | 2006-02-10 | 2009-06-02 | Thomas Middleton Semmes | High efficiency conditioning air apparatus |
US20070246202A1 (en) * | 2006-04-25 | 2007-10-25 | Yu Wen F | Louvered fin for heat exchanger |
US20120055657A1 (en) * | 2010-09-02 | 2012-03-08 | George Moser | Compact heat exchanger |
CN101975492A (en) * | 2010-10-19 | 2011-02-16 | 广东美的制冷设备有限公司 | Novel heat exchanging device |
DE102011050275A1 (en) * | 2011-05-11 | 2012-11-15 | Gea Energietechnik Gmbh | Air-dried dry cooler |
WO2015184168A1 (en) * | 2014-05-28 | 2015-12-03 | Rbc Green Energy Ii, Llc | Air-cooled heat exchange system |
EP3575728B1 (en) | 2018-05-30 | 2020-12-16 | Valeo Autosystemy SP. Z.O.O. | A core of a heat exchanger comprising corrugated fins |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4142019A1 (en) * | 1991-12-19 | 1993-06-24 | Behr Gmbh & Co | SHAFT RIB FOR FLAT TUBE HEAT EXCHANGER |
EP0826942A2 (en) * | 1996-08-30 | 1998-03-04 | General Motors Corporation | Corrugated cooling fin with louvers |
WO2000063631A2 (en) * | 1999-04-19 | 2000-10-26 | Peerless Of America, Inc. | Corrugated fin and method of making |
EP1229296A1 (en) * | 2001-01-31 | 2002-08-07 | Calsonic Kansei Corporation | Louvered fin for a heat exchanger |
DE10249451A1 (en) * | 2002-03-09 | 2003-09-18 | Behr Gmbh & Co | heat exchangers |
DE69720935T2 (en) * | 1996-12-18 | 2004-03-11 | Valeo Thermique Moteur, Le Mesnil | Metallic fin for a heat exchanger |
Family Cites Families (10)
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US1454107A (en) * | 1923-05-08 | Mqoid-cooling radiator | ||
US1458128A (en) * | 1919-10-13 | 1923-06-12 | Edward T Curran | Radiator |
FR565207A (en) * | 1923-04-18 | 1924-01-22 | Radiator for automotive internal combustion engines | |
GB2027533B (en) * | 1978-05-31 | 1982-12-22 | Covrad Ltd | Heat exchangers |
JPS58178192A (en) * | 1982-04-14 | 1983-10-19 | Nippon Radiator Co Ltd | Corrugated fin |
US4657070A (en) * | 1984-02-15 | 1987-04-14 | Hudson Products Corporation | Air-cooled vapor condensers |
US5505257A (en) * | 1993-06-18 | 1996-04-09 | Goetz, Jr.; Edward E. | Fin strip and heat exchanger construction |
US5765630A (en) * | 1996-09-19 | 1998-06-16 | Siemens Electric Limited | Radiator with air flow directing fins |
JP4158225B2 (en) * | 1997-07-25 | 2008-10-01 | 株式会社デンソー | Heat exchanger and housing cooling device |
JP2004177082A (en) * | 2002-11-29 | 2004-06-24 | Matsushita Electric Ind Co Ltd | Heat exchanger |
-
2004
- 2004-03-13 DE DE102004012427A patent/DE102004012427A1/en not_active Withdrawn
-
2005
- 2005-02-24 EP EP05003995A patent/EP1574801A3/en not_active Withdrawn
- 2005-03-11 US US11/078,849 patent/US20050199378A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4142019A1 (en) * | 1991-12-19 | 1993-06-24 | Behr Gmbh & Co | SHAFT RIB FOR FLAT TUBE HEAT EXCHANGER |
EP0826942A2 (en) * | 1996-08-30 | 1998-03-04 | General Motors Corporation | Corrugated cooling fin with louvers |
DE69707381T2 (en) * | 1996-08-30 | 2002-06-27 | Delphi Tech Inc | Corrugated cooling fin with slits |
DE69720935T2 (en) * | 1996-12-18 | 2004-03-11 | Valeo Thermique Moteur, Le Mesnil | Metallic fin for a heat exchanger |
WO2000063631A2 (en) * | 1999-04-19 | 2000-10-26 | Peerless Of America, Inc. | Corrugated fin and method of making |
EP1229296A1 (en) * | 2001-01-31 | 2002-08-07 | Calsonic Kansei Corporation | Louvered fin for a heat exchanger |
DE10249451A1 (en) * | 2002-03-09 | 2003-09-18 | Behr Gmbh & Co | heat exchangers |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8276652B2 (en) | 2006-04-13 | 2012-10-02 | Visteon Global Technologies, Inc. | High performance louvered fin for heat exchanger |
DE102007031675A1 (en) * | 2007-07-06 | 2009-01-08 | Behr Gmbh & Co. Kg | Heat exchanger, has flat current-conducting units for certain medium, and corrugated ribs with wave crests, which are arranged opposite to depth direction of exchanger in inclined manner |
DE102009021177A1 (en) | 2009-05-13 | 2010-11-18 | Behr Gmbh & Co. Kg | Fin for heat exchanger, has rib plate with multiple rib flanks extending substantially in geometric flow direction, where multiple through holes are formed with greater height than rib flanks |
DE102011004306A1 (en) * | 2011-02-17 | 2012-08-23 | Behr Gmbh & Co. Kg | Rib for a heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
US20050199378A1 (en) | 2005-09-15 |
EP1574801A2 (en) | 2005-09-14 |
EP1574801A3 (en) | 2006-05-17 |
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