EP0990868B1 - Wärmetauscher - Google Patents
Wärmetauscher Download PDFInfo
- Publication number
- EP0990868B1 EP0990868B1 EP99118524A EP99118524A EP0990868B1 EP 0990868 B1 EP0990868 B1 EP 0990868B1 EP 99118524 A EP99118524 A EP 99118524A EP 99118524 A EP99118524 A EP 99118524A EP 0990868 B1 EP0990868 B1 EP 0990868B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- heat exchanger
- flat tubes
- soldering
- exchanger according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
- F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
-
- 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
Definitions
- the invention relates to a heat exchanger with the features in the preamble of claim 1.
- Heat exchangers equipped with these features are known from EP 798 531 known. Because the pressure loss of the heat-exchanging media is always low in this document, the passages are advantageously to the heat exchanger network been ordered. This ensures that the ends of the Pipes do not have to have an overhang that extends into the collecting space.
- the cross section of the passages has an inward curvature, to facilitate the insertion of the pipe ends.
- the disadvantage is that the ends The tubes need to be widened in a tulip-shaped manner due to the bulge to enlarge the reduced connecting area with the passages and to achieve a tight metallic connection by soldering.
- the Expanding requires an additional step.
- the individual tube ends are down to the level of the tube sheet level or even have been inserted into the passages up to this level, whereby the individual pipes with the same size of the heat exchanger may be slightly longer need, what with a variety of such pipes as additional weight and additional costs.
- the object of the invention is to further improve the stated state the technology regarding the metallic connection between the pipes and the tube sheets in a heat exchanger, which is the preamble of the claim 1 corresponds.
- the pipe ends the level of Fall below the tube sheet surface and with the passages a circumferential one Form the contact surface on which there is a soldering gap between the flat tube and Threading connects.
- the pipe ends are preferably not widened or drawn in, although after the inventive teaching these variants are also possible.
- soldering gaps on both sides cause the solder to adhere during the soldering process stuck in these soldering gaps and thus a perfect, tight solder connection arises.
- the heat exchangers to be soldered no longer have to be in one be placed in the soldering oven such that the solder in the joints can flow.
- the adhesive forces also hold the solder against gravity, i.e.
- the location of the heat exchanger to be soldered is irrelevant, which means essential Simplifications of the manufacturing process are possible.
- connection area is significantly smaller than in the prior art, solder joints can be produced according to the teaching of the invention, which in each Relationship meet the requirements.
- the tubes are designed as flat tubes, with the same positive effects also occur with all other cross-sectional shapes of the pipes.
- the tube ends are preferably located approximately around the thickness of the tube sheet below the one tube sheet surface. So that is occurring Pressure drop is extremely low.
- the opening angle of the also circumferential, acute-angled soldering gaps lies in Preferred range from 10 to 25 °, because it has been found that at this opening angle with a view to the adhesive forces to achieve the best results are.
- the opening angle of the two soldering gaps can be different or equally large opening angles can be provided on both soldering gaps become.
- the circumferential connection surface should have a width that is approximately in Thickness range of the tube sheets is or is larger, which is however significantly smaller than in EP 798 531.
- Heat exchangers of the generic type can be referred to as mass products where there are already supposedly minor improvements or Differences from the known prior art lead to considerable advantages.
- the heat exchanger consists of a plurality of tubes 1, the ends 2 in Openings 4 of the tube sheets 3 arranged and liquid-tight with the passages 5 are connected by soldering. There was only one in Figs Tube 1 shown because all tubes 1 of the heat exchanger in the same way are fastened in the openings 4 of the tube sheets 3.
- the tubes 1 are flat tubes. Below the tube sheet 3 is the cooling network, usually consisting from the aforementioned plurality of flat tubes 1 and between the flat tubes 1 arranged slats or corrugated ribs, not shown. Through the corrugated ribs cooling air usually flows through and 1 cooling water within the flat tubes or air, for example charge air, which is to be cooled.
- the pipe ends 2 are clear been arranged below the tube sheet surface 6.
- the distance between the tube ends 2 and the tube sheet surface 6 equal to the thickness d of the tube sheet 3.
- the same dimension has the width b of the contact surface -or Connection surface 7.
- the opening angle ⁇ is above and below 20 °. Only the lower opening angle ⁇ was drawn.
- the tube sheet 3 and / or the tubes 1 are made of solder-coated aluminum Service. But it could also be another solder-coated, metallic Trade material.
- solder layer melts and is in the soldering gaps by adhesive forces 8 drawn in or adheres to the soldering gaps 8. This will make the interface 7 slightly enlarged, because depending on how much solder is available, fill the soldering gaps 8 with the same and ensure a perfect, tight and durable solder joint.
- FIG. 2 is a view from the long side of the flat tube 1.
- the end 2 of the flat tube 1 has been slightly sculpted, but the upper and lower solder gap 8 with its described advantages is retained.
- the tulip which does not require an additional work step, because it is necessary for network installation is carried out at the same time that the tube sheets are being pulled up
- Advantages that the cohesion of the parts before soldering is improved and that the solder gap 8 is narrower, which further improves the adhesion effect. It will also depend on the degree of deformation of the passages 5, whether you choose this Embodiment decides, or the one from Fig. 1 chooses.
- Fig. 3 shows the basic structure of an intercooler and only a part thereof.
- Flat tubes 1 and folded fins 9 form a heat exchanger network together.
- the hot charge air flows through the flat tubes 1, as by means Flow arrows has been indicated.
- the cooling air flows freely through the Slats 9 occupied spaces.
- the heat exchanger network is replaced by a Side part 10 limited, usually at the opposite ends too is connected to the tube sheets 3.
- the tube sheet 3 has on the peripheral edge a U-shaped deformation in which a seal 11 is located.
- In this u-shaped Forming is a so-called air box 12 with its in the circumferential Forming appropriate edge termination used and by bending individual tabs of the U-shaped forming attached sealing.
- the hot one Charge air enters the air box 12 through the charge air inlet 13 and is distributed on the flat tubes 1. Because the flat tubes 1 are slightly below the level of the Tube bottom 3 ends, the pressure loss of the charge air remains very low.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Separation By Low-Temperature Treatments (AREA)
Description
Claims (6)
- Wärmetauscher mit einer Vielzahl von Flachrohren (1), deren Enden (2) in als Durchzüge (5) ausgebildete Öffnungen (4) in Rohrböden (3) stecken, die Durchzüge (5) weisen zu einem Wärmetauschernetz hin, das aus den Flachrohren (1) und aus Wellrippen (9) besteht; die Durchzüge (5) haben einen zu den Flachrohrenden (2) hin gewölbten Querschnitt, wobei die Enden (2) mit den Durchzügen (5) flüssigkeitsdicht metallisch verbunden sind; durch die Flachrohre (1) und um die Flachrohre (1) herum strömen unterschiedliche wärmeaustauschende Medien, dadurch gekennzeichnet, daß
die Rohrenden (2) das Niveau der Rohrbodenoberfläche (6) unterschreiten und mit den Durchzügen (5) eine umlaufende Kontaktfläche (7) ausbilden, an die sich beidseitig ein Lötspalt (8) zwischen Flachrohr (1) und Durchzug (5) anschließt. - Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, daß die Rohrenden (2) vorzugsweise um die Dicke (d) des Rohrbodens (3) die Rohrbodenoberfläche (6) unterschreiten.
- Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, daß die Lötspalte (8) etwa einen Öffnungswinkel (α) von 10 bis 25° aufweisen und beide Lötspalte (8) gleiche oder unterschiedliche Öffnungswinkel (α) besitzen.
- Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Querschnitt der Flachrohre (1) an den Rohrenden (2) identisch mit dem übrigen Rohrquerschnitt ist.
- Wärmetauscher nach einen der vorstehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Rohrenden (2) unter Beibehaltung des Lötspaltes (8) aufgetulpt sind.
- Wärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die umlaufende Kontakt-oder Verbindungsfläche (7) eine Breite (b) hat, die ungefähr der Dicke (d) des Rohrbodens (3) entspricht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19844848 | 1998-09-30 | ||
DE19844848A DE19844848A1 (de) | 1998-09-30 | 1998-09-30 | Wärmetauscher |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0990868A2 EP0990868A2 (de) | 2000-04-05 |
EP0990868A3 EP0990868A3 (de) | 2000-07-26 |
EP0990868B1 true EP0990868B1 (de) | 2002-08-28 |
Family
ID=7882797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99118524A Expired - Lifetime EP0990868B1 (de) | 1998-09-30 | 1999-09-18 | Wärmetauscher |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0990868B1 (de) |
AT (1) | ATE223028T1 (de) |
DE (2) | DE19844848A1 (de) |
ES (1) | ES2182441T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009022983A1 (de) | 2008-06-10 | 2009-12-17 | Behr Gmbh & Co. Kg | Wärmetauscher |
WO2011120977A2 (fr) | 2010-03-31 | 2011-10-06 | Valeo Systemes Thermiques | Echangeur de chaleur à performances accrues |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19750748C2 (de) * | 1997-11-14 | 2003-04-24 | Behr Gmbh & Co | Plattenwärmetauscher |
DE10016029A1 (de) * | 2000-03-31 | 2001-10-04 | Modine Mfg Co | Wärmetauscher mit einer Vielzahl von Rohren |
DE10147192A1 (de) * | 2001-09-25 | 2003-04-17 | Modine Mfg Co | Wärmeaustauscher mit einem Rippen-Flachrohr-Block und Herstellungsverfahren |
DE10343239B4 (de) * | 2003-09-17 | 2021-09-09 | Mahle International Gmbh | Wärmeübertrager |
DE102004003047A1 (de) * | 2004-01-20 | 2005-08-11 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere Kühlmittel- oder Ladeluftkühler für Kraftfahrzeuge |
JP5264181B2 (ja) * | 2005-02-03 | 2013-08-14 | ベール ゲーエムベーハー ウント コー カーゲー | 熱交換器 |
US7413006B2 (en) | 2006-04-06 | 2008-08-19 | Modine Manufacturing Company | Header plate for use in a heat exchanger |
DE102007052888A1 (de) | 2007-11-02 | 2009-05-07 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere für ein Fahrzeug |
DE102009035089A1 (de) * | 2009-07-28 | 2011-02-03 | Behr Gmbh & Co. Kg | Wärmetauscher, Brennkraftmaschine und Verwendung des Wärmetauschers |
DE102009037305A1 (de) | 2009-08-14 | 2011-03-03 | Behr Gmbh & Co. Kg | Wärmeübertrager |
US8851157B2 (en) | 2010-05-13 | 2014-10-07 | Adams Thermal Systems, Inc. | Partial reverse ferrule header for a heat exchanger |
FR3015016B1 (fr) * | 2013-12-13 | 2019-05-17 | Valeo Systemes Thermiques | Boite collectrice et echangeur thermique correspondant |
GB2550952B (en) | 2016-06-02 | 2020-07-01 | Denso Marston Ltd | A header plate for a heat exchanger |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR775271A (fr) * | 1934-05-25 | 1934-12-22 | Radiateur de refroidissement pour moteur thermique de voitures automobiles ou autres applications similaires | |
CA1154577A (en) * | 1979-05-01 | 1983-10-04 | Ralph G. Nanos | Method for reinforcing heat exchanger tube to header joints |
DE4332269C2 (de) * | 1993-09-23 | 1996-10-02 | Berg Hans Gmbh & Co Kg | Anschlußgarnitur für Heizkörper sowie Verfahren zur Herstellung einer Anschlußgarnitur |
JP3316082B2 (ja) * | 1994-05-12 | 2002-08-19 | 株式会社ゼクセルヴァレオクライメートコントロール | 熱交換器のヘッダタンク |
JPH08327283A (ja) * | 1995-05-30 | 1996-12-13 | Sanden Corp | 熱交換器の熱交換チューブ接合構造 |
DE19543986A1 (de) * | 1995-11-25 | 1997-05-28 | Behr Gmbh & Co | Wärmetauscher und ein Verfahren zur Herstellung eines Wärmetauschers |
SE513642C2 (sv) * | 1996-03-29 | 2000-10-16 | Valeo Engine Cooling Ab | Värmeväxlare samt sätt vid framställning av en dylik |
JP3822279B2 (ja) * | 1996-05-22 | 2006-09-13 | 臼井国際産業株式会社 | Egrガス冷却装置 |
DE19757034A1 (de) * | 1997-12-20 | 1999-06-24 | Behr Gmbh & Co | Wärmetauscher, insbesondere Ladeluftkühler |
-
1998
- 1998-09-30 DE DE19844848A patent/DE19844848A1/de not_active Withdrawn
-
1999
- 1999-09-18 EP EP99118524A patent/EP0990868B1/de not_active Expired - Lifetime
- 1999-09-18 ES ES99118524T patent/ES2182441T3/es not_active Expired - Lifetime
- 1999-09-18 AT AT99118524T patent/ATE223028T1/de not_active IP Right Cessation
- 1999-09-18 DE DE59902453T patent/DE59902453D1/de not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009022983A1 (de) | 2008-06-10 | 2009-12-17 | Behr Gmbh & Co. Kg | Wärmetauscher |
WO2011120977A2 (fr) | 2010-03-31 | 2011-10-06 | Valeo Systemes Thermiques | Echangeur de chaleur à performances accrues |
CN102933930A (zh) * | 2010-03-31 | 2013-02-13 | 法雷奥热系统公司 | 具有增强性能的热交换器 |
US9366487B2 (en) | 2010-03-31 | 2016-06-14 | Valeo Systemes Thermiques | Heat exchanger having enhanced performance |
CN102933930B (zh) * | 2010-03-31 | 2016-08-24 | 法雷奥热系统公司 | 具有增强性能的热交换器 |
Also Published As
Publication number | Publication date |
---|---|
DE59902453D1 (de) | 2002-10-02 |
EP0990868A3 (de) | 2000-07-26 |
DE19844848A1 (de) | 2000-04-06 |
ES2182441T3 (es) | 2003-03-01 |
EP0990868A2 (de) | 2000-04-05 |
ATE223028T1 (de) | 2002-09-15 |
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