EP2486360B1 - Wärmetauscher mit rohrboden - Google Patents

Wärmetauscher mit rohrboden Download PDF

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Publication number
EP2486360B1
EP2486360B1 EP10762676.4A EP10762676A EP2486360B1 EP 2486360 B1 EP2486360 B1 EP 2486360B1 EP 10762676 A EP10762676 A EP 10762676A EP 2486360 B1 EP2486360 B1 EP 2486360B1
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EP
European Patent Office
Prior art keywords
tubes
collar
height
collector plate
seal
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.)
Active
Application number
EP10762676.4A
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English (en)
French (fr)
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EP2486360A1 (de
Inventor
Patrick Boisselle
Gérard Gille
Didier Pottier
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42173635&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2486360(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Priority to PL10762676T priority Critical patent/PL2486360T3/pl
Publication of EP2486360A1 publication Critical patent/EP2486360A1/de
Application granted granted Critical
Publication of EP2486360B1 publication Critical patent/EP2486360B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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

Definitions

  • the invention relates to the field of heat exchangers, in particular for a motor vehicle.
  • the invention is particularly applicable to a mechanical type exchanger comprising a heat exchange bundle comprising tubes and heat exchange elements, called fins.
  • the fins are placed parallel to each other and perpendicular to the tubes. In other words, the fins are superimposed on each other.
  • the fins are pierced with holes allowing the passage of the tubes, the number of holes being equal to the number of tubes of said row.
  • the maintenance of the tube-fin bundle is achieved mechanically by means of a tool, also called olive, introduced inside the tubes so as to deform the walls of the tubes and forcibly apply them against the holes made in the fins.
  • a tool also called olive
  • the fins are spaced two by two in a separation step, of the order of a millimeter, for example.
  • the invention more particularly relates to heat exchangers having collector plates comprising a plurality of holes adapted to receive the ends of the tubes of the heat exchanger.
  • the ends of the tubes are each inserted into a collector plate provided with openings for receiving the tubes.
  • the collector plates are subsequently capped by lids so as to form collector boxes.
  • Sealing is thus ensured by controlling the compression of the seal against a collar, surrounding a hole of the collector plate, this control being, however, different depending on whether the tubes are of circular section or of oval or elongated section as it is more and more often the case to improve the performance of the exchangers.
  • the object of the invention is therefore to overcome the aforementioned drawbacks by providing a heat exchanger having at least one header plate comprising oval or elongated section tubes for which the compression of the seal on the periphery of the oval section of the tube is perfectly mastered so as to perfect the seal for this tube shape.
  • the subject of the invention is therefore a heat exchanger having a collector plate adapted to receive a cover of a collector box of said heat exchanger, said collector plate comprising at least one hole for the passage of a tube of said heat exchanger, said hole having a periphery provided with a collar, said collar having a height.
  • the invention provides for increasing the height of the necks of the header plate in areas where the tube offers the least resistance to compression so as to balance the distribution of compression forces of the seal on the periphery of the section of said tube.
  • the collar of oval or elongate shape has a major axis and a small axis and comprises at least a first portion said maximum height and a second portion said minimum height, said maximum height portion being located on the minor axis of collar and said portion of minimum height being located on the major axis of the collar.
  • the collar may have an intermediate portion between the minimum height portion and the maximum height portion, the height of which progressively changes between the two portions of minimum height and maximum height.
  • the neck section is oval or elongated.
  • the heat exchanger comprises a heat exchange bundle comprising said tubes and fins, said fins having holes for the passage of the tubes and being placed parallel to each other, and the tubes being mechanically deformed so as to apply them in force. against the holes for the passage of the tubes in the fins. In such a case, the walls of the tubes are deformed to force them against the holes of the fins for the passage of said tubes.
  • the heat exchanger further comprises a seal capable of being applied against said collecting plate and comprising a flange having substantially the same shape as that of the collet of the collector plate, the collar being inserted into the collar of the collector plate. the collecting plate.
  • FIG 1 a schematic view of a heat exchanger, for example, a cooling radiator of a motor vehicle.
  • the mechanical type heat exchanger In other words, it is generally composed of at least one heat exchange bundle 2 comprising tubes 4 arranged parallel to each other and heat exchange elements, called fins 10.
  • the fins 10 are placed parallel to each other and perpendicular to the tubes 4. In other words, the fins are superimposed on each other.
  • the fins are pierced with holes 18 allowing the passage of the tubes 4, the number of holes 18 being equal to the number of tubes of said row.
  • the beam 2 is mounted between two collector boxes 6 and 8.
  • Each tube 4 has a free end 12 mechanically assembled to a header plate 14, also called a “collector”, which forms, with a lid, each manifold 6 and 8.
  • the ends 12 of the tubes inserted in the collector plate have exactly the same section as the tubes, in the common part receiving the fins 10. After assembly, the ends of the tubes are deformed / flared so as to secure them to the manifold plate 14 and to compress a seal (described later).
  • the collector plate 14 comprises a core 16 of general shape. rectangular delimiting a multiplicity of holes 18, here of oval or elongate section, adapted to receive the ends 12 of the tubes.
  • Each hole 18 is surrounded by a collar 20 directed towards the fins 10, the collars 20 making it possible to increase the contact area between the outer peripheral wall of each of the tubes 4 and the collector plate 14.
  • the section of the collars 20 is defined by the contour resulting from a section in a plane substantially transverse to said collars.
  • the core 16 is extended by a peripheral groove 22 defining a groove and terminated by a peripheral rim 24 forming foldable legs, also called crimping tabs.
  • the header plate 14 receives a compressible seal 26 which is applied to the core 16 of the header plate.
  • the seal 26 comprises a multiplicity of flanges 30 which are each introduced into a hole 18 to seal between the end 12 of a tube and the collar 20 corresponding.
  • the core 28 forms at its periphery a bead 32 disposed in the channel 22 and adapted to seal with one or other of the covers of the manifolds 6 or 8 when the peripheral flange 24 is folded.
  • the section of the end 12 of the tubes 4 and holes 18 of the collector plate 14 have a substantially oval shape characterized by a major axis A and a small axis B.
  • the section of the tubes 4 is defined here by the contour 4 tubes resulting from a section in a plane substantially transverse to said tubes.
  • the invention provides for increasing the height of the collars 20 of the collector plate 14 in the zones where the tube 4 offers the least resistance to compression so as to balance the distribution of compression forces of the seal on the periphery of the section of said tube 4.
  • the portions 36 of small axis B are those offering the least resistance to compression of the flanges 30 of the seal 26.
  • the tube 4 is less resistant in its minor axis B than in its large axis A.
  • the figure 4 illustrates the characteristic shape of the collar 20 of the header plate 14 according to the invention.
  • the collar 20 thus has a portion 38 of minimum height H1 facing the portion 34 of major axis A of the tube 4 and a portion 40 of maximum height H2 facing the portion 36 of minor axis B of the tube 4.
  • An intermediate portion 42 ensures continuity between the portions 38 and 40 of different heights and has a height progressively evolving between the portions 38 of minimum height H1 and 40 of maximum height H2. In other words, one thus creates ends of collars no longer rectilinear or on the same plane as known in the prior art, but collars with a progressive form.
  • the major axis A of the tube 4 is 2.5 times greater than the minor axis B, the minimum height H1 of the portion 38 is then equal to 3mm and. the maximum height H2 of the portion 40 is equal to 3.5 mm.
  • the major axis A may be for example 2.8 or 3 times greater than the minor axis B of the tube 4.
  • more the section of the end 12 of the tubes 4 is elongated plus the difference between the values of the heights H1 and H2 is important. This ensures an optimum seal between the collars 20 and the ends 12 of the tubes 4, the tube resistant to the force exerted by the compression of the collar 30 of the seal 26.
  • the flange 30 of the seal 26 has the same characteristic shape as that of the collar 20.
  • the contact surface between the flange 30 of the seal and the tube 4 is thus increased so as to distribute the forces on the periphery as well as possible. said tube.
  • the forces applied to the tube thus become compatible with its resistance.
  • the invention therefore benefits from a heat exchanger having a collector plate relatively simple to achieve, to obtain a uniform distribution of forces on the periphery of oval or elongated tubes.
  • the compression of the joint between the ends of the tubes and the collars of the collector plate is perfectly controlled and its sealing is all the more optimal.
  • the shape of the collars of the heat exchanger according to the invention is applicable to any type of collector regardless of the number of rows for the collector plate bundles.
  • the invention is particularly applicable to the realization mechanical type heat exchangers for motor vehicles and in particular for radiators for cooling or heating.

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)

Claims (5)

  1. Wärmetauscher, umfassend ein Wärmeaustauschbündel (2) und mindestens einen Sammelkasten (6, 8) umfassend einen Deckel und eine Sammelplatte (14), die geeignet ist, den Deckel aufzunehmen, wobei das Bündel (2) Rohre (4) von ovaler oder länglicher Form umfasst, wobei die Sammelplatte Löcher (18) für den Durchgang der Rohre (4) umfasst, wobei die Rohre (18) eine Peripherie aufweist, die mit einem Kragen (20) von ovaler oder länglicher Form versehen ist, wobei der Wärmetauscher ferner eine Dichtung (26) umfasst, die geeignet ist, sich an die Sammelplatte (14) anzulegen, und umfassend einen Flansch (30), der im Wesentlichen dieselbe Form wie jene des Kragens (20) der Sammelplatte (14) aufweist und in den Kragen (20) eingesetzt ist, dadurch gekennzeichnet, dass der Kragen (20) eine variable Höhe (H1, H2) auf der Peripherie des Loches (18) aufweist, so dass die Höhe der Krägen (20) in den Zonen, in denen das Rohr (4) den geringsten Kompressionswiderstand bietet, vergrößert ist, um die Verteilung der Kompressionskräfte der Dichtung (26) an der Peripherie des Querschnitts des Rohrs (4) auszugleichen.
  2. Wärmetauscher nach Anspruch 1, bei dem der Kragen (20) mindestens einen ersten Abschnitt (38) mit so genannter Minimalhöhe (H1) und einen zweiten Abschnitt (40) mit so genannter Maximalhöhe (H2) umfasst, wobei der Abschnitt mit Maximalhöhe (H2) auf der kurzen Achse (B) und der Abschnitt mit Minimalhöhe (H1) auf der langen Achse (A) angeordnet ist.
  3. Wärmetauscher nach Anspruch 2, dadurch gekennzeichnet, dass der Kragen (20) einen Zwischenabschnitt (42) zwischen dem Abschnitt (38) mit Minimalhöhe (H1) und dem Abschnitt (40) mit Maximalhöhe (H2) aufweist, dessen Höhe sich progressiv zwischen den beiden Abschnitten mit Minimalhöhe (38) und Maximalhöhe (40) entwickelt.
  4. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass je länger der Querschnitt des Kragens (20) ist, desto größer das Verhältnis zwischen den beiden Höhen (H1) und (H2) des Kragens (20) der Sammelplatte (14) ist.
  5. Wärmetauscher nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Bündel (2) Rippen (10) umfasst, wobei die Rippen (10) Löcher für die Durchführung der Rohre (4) umfassen und parallel zueinander angeordnet sind, wobei die Rohre (4) mechanisch verformt werden, um sie fest an die Löcher für die Durchführung der Rohre in den Rippen (10) anzulegen.
EP10762676.4A 2009-10-08 2010-10-07 Wärmetauscher mit rohrboden Active EP2486360B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10762676T PL2486360T3 (pl) 2009-10-08 2010-10-07 Wymiennik ciepła ze ścianą sitową

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0904805A FR2951259B1 (fr) 2009-10-08 2009-10-08 Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant
PCT/EP2010/064987 WO2011042491A1 (fr) 2009-10-08 2010-10-07 Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant

Publications (2)

Publication Number Publication Date
EP2486360A1 EP2486360A1 (de) 2012-08-15
EP2486360B1 true EP2486360B1 (de) 2015-06-03

Family

ID=42173635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10762676.4A Active EP2486360B1 (de) 2009-10-08 2010-10-07 Wärmetauscher mit rohrboden

Country Status (9)

Country Link
EP (1) EP2486360B1 (de)
CN (2) CN105823366B (de)
BR (1) BR112012006987B1 (de)
ES (1) ES2545697T3 (de)
FR (1) FR2951259B1 (de)
IN (1) IN2012DN02438A (de)
MX (1) MX2012004131A (de)
PL (1) PL2486360T3 (de)
WO (1) WO2011042491A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056731A1 (fr) * 2016-09-29 2018-03-30 Valeo Systemes Thermiques Plaque collectrice, echangeur de chaleur et procede de fabrication associe

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2951259B1 (fr) 2009-10-08 2014-02-28 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant
DE102012219268A1 (de) * 2012-10-22 2014-04-24 Mahle International Gmbh Wärmetauscher
DE102013217689A1 (de) * 2013-09-04 2015-03-05 Behr Gmbh & Co. Kg Rohrboden
US9518789B2 (en) * 2014-09-04 2016-12-13 Caterpillar Inc. Seal for heat exchanger of machine
FR3026170A1 (fr) * 2014-09-24 2016-03-25 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur, boite collectrice et echangeur de chaleur
FR3054729B1 (fr) * 2016-07-27 2019-12-13 Valeo Systemes Thermiques Dispositif de refroidissement de batteries et procede de fabrication correspondant
FR3060726B1 (fr) * 2016-12-19 2019-10-25 Valeo Systemes Thermiques Echangeur de chaleur a plaque de renfort.

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488627A (en) 1946-02-28 1949-11-22 Young Radiator Co Tube and header-plate assembly for heat-exchange units
US4150556A (en) 1978-02-27 1979-04-24 Mccord Corporation Radiator tank headsheet and method
FR2474674A1 (fr) 1980-01-24 1981-07-31 Ferodo Sa Tube pour echangeur de chaleur a corps de section oblongue et extremite cylindrique
DE3316960A1 (de) 1982-05-17 1983-11-17 VEB Blechverformungswerk Leipzig, DDR 7031 Leipzig Boden fuer den tank eines rohrwaermetauschers und werkzeug zu dessen herstellung
JPS5929994A (ja) 1982-08-11 1984-02-17 Ntn Toyo Bearing Co Ltd 熱交換器
US4730669A (en) 1986-02-03 1988-03-15 Long Manufacturing Ltd. Heat exchanger core construction utilizing a diamond-shaped tube-to-header joint configuration
DE3910357A1 (de) 1989-03-30 1990-10-04 Autokuehler Gmbh & Co Kg Leitblech fuer einen waermetauscher und daraus hergestelltes waermetauschernetz
US5348082A (en) 1992-04-24 1994-09-20 Valeo Thermique Moteur Heat exchanger with tubes of oblong cross section, in particular for motor vehicles
DE4445590A1 (de) 1994-12-20 1996-06-27 Behr Gmbh & Co Wärmetauscher, Verfahren zu dessen Herstellung sowie Werkzeug zur Durchführung des Verfahrens
US5535821A (en) 1993-05-11 1996-07-16 Valeo Thermique Moteur Heat exchanger especially for a motor vehicle
FR2740869A1 (fr) 1995-11-02 1997-05-09 Valeo Thermique Moteur Sa Echangeur de chaleur a tubes de section ovale ou oblongue et son procede d'assemblage
JPH1151592A (ja) 1997-08-04 1999-02-26 Sanden Corp 熱交換器の製造方法
DE19832464A1 (de) 1998-07-18 2000-01-20 Behr Gmbh & Co Dichtungselement und Verfahren zum Abdichten von mit Rissen behafteten Wärmeübertragerrohren
DE10123675A1 (de) 2001-05-16 2002-11-21 Behr Gmbh & Co Wärmeübertrager und Verfahren zu dessen Herstellung
DE102007059673A1 (de) 2006-12-13 2008-08-07 Behr Gmbh & Co. Kg Wärmetauscher zum Wärmetausch zwischen einem ersten Fluid und einem zweiten Fluid
WO2011042491A1 (fr) 2009-10-08 2011-04-14 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771595A (en) * 1971-09-22 1973-11-13 Modine Mfg Co Heat exchange device
US5036913A (en) * 1990-11-05 1991-08-06 Valeo Engine Cooling, Incorporated Vehicle radiator with tube to header joint formed of a composite weld and solder bond
DE4305945A1 (de) * 1993-02-26 1994-09-01 Behr Gmbh & Co Wärmetauscher, insbesondere für Kraftfahrzeuge

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488627A (en) 1946-02-28 1949-11-22 Young Radiator Co Tube and header-plate assembly for heat-exchange units
US4150556A (en) 1978-02-27 1979-04-24 Mccord Corporation Radiator tank headsheet and method
FR2474674A1 (fr) 1980-01-24 1981-07-31 Ferodo Sa Tube pour echangeur de chaleur a corps de section oblongue et extremite cylindrique
DE3316960A1 (de) 1982-05-17 1983-11-17 VEB Blechverformungswerk Leipzig, DDR 7031 Leipzig Boden fuer den tank eines rohrwaermetauschers und werkzeug zu dessen herstellung
JPS5929994A (ja) 1982-08-11 1984-02-17 Ntn Toyo Bearing Co Ltd 熱交換器
US4730669A (en) 1986-02-03 1988-03-15 Long Manufacturing Ltd. Heat exchanger core construction utilizing a diamond-shaped tube-to-header joint configuration
DE3910357A1 (de) 1989-03-30 1990-10-04 Autokuehler Gmbh & Co Kg Leitblech fuer einen waermetauscher und daraus hergestelltes waermetauschernetz
US5348082A (en) 1992-04-24 1994-09-20 Valeo Thermique Moteur Heat exchanger with tubes of oblong cross section, in particular for motor vehicles
US5535821A (en) 1993-05-11 1996-07-16 Valeo Thermique Moteur Heat exchanger especially for a motor vehicle
DE4445590A1 (de) 1994-12-20 1996-06-27 Behr Gmbh & Co Wärmetauscher, Verfahren zu dessen Herstellung sowie Werkzeug zur Durchführung des Verfahrens
FR2740869A1 (fr) 1995-11-02 1997-05-09 Valeo Thermique Moteur Sa Echangeur de chaleur a tubes de section ovale ou oblongue et son procede d'assemblage
DE69610059T2 (de) 1995-11-02 2001-04-12 Valeo Thermique Moteur, La Verriere Wärmetauscher mit Rohren mit ovalem oder länglichem Querschnitt und Verfahren zur dessen Herstellung
JPH1151592A (ja) 1997-08-04 1999-02-26 Sanden Corp 熱交換器の製造方法
DE19832464A1 (de) 1998-07-18 2000-01-20 Behr Gmbh & Co Dichtungselement und Verfahren zum Abdichten von mit Rissen behafteten Wärmeübertragerrohren
DE10123675A1 (de) 2001-05-16 2002-11-21 Behr Gmbh & Co Wärmeübertrager und Verfahren zu dessen Herstellung
DE102007059673A1 (de) 2006-12-13 2008-08-07 Behr Gmbh & Co. Kg Wärmetauscher zum Wärmetausch zwischen einem ersten Fluid und einem zweiten Fluid
WO2011042491A1 (fr) 2009-10-08 2011-04-14 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056731A1 (fr) * 2016-09-29 2018-03-30 Valeo Systemes Thermiques Plaque collectrice, echangeur de chaleur et procede de fabrication associe
WO2018060650A1 (fr) * 2016-09-29 2018-04-05 Valeo Systemes Thermiques Plaque collectrice, échangeur de chaleur et procédé de fabrication associé

Also Published As

Publication number Publication date
CN105823366B (zh) 2023-08-04
CN105823366A (zh) 2016-08-03
WO2011042491A1 (fr) 2011-04-14
FR2951259B1 (fr) 2014-02-28
IN2012DN02438A (de) 2015-08-21
BR112012006987A2 (pt) 2016-04-12
ES2545697T3 (es) 2015-09-15
FR2951259A1 (fr) 2011-04-15
BR112012006987B1 (pt) 2020-04-22
MX2012004131A (es) 2012-08-17
CN102575915A (zh) 2012-07-11
PL2486360T3 (pl) 2015-12-31
EP2486360A1 (de) 2012-08-15

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