EP2810009B1 - Radiateur de refroidissement pour vehicule, notamment automobile - Google Patents

Radiateur de refroidissement pour vehicule, notamment automobile Download PDF

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Publication number
EP2810009B1
EP2810009B1 EP13705741.0A EP13705741A EP2810009B1 EP 2810009 B1 EP2810009 B1 EP 2810009B1 EP 13705741 A EP13705741 A EP 13705741A EP 2810009 B1 EP2810009 B1 EP 2810009B1
Authority
EP
European Patent Office
Prior art keywords
tubes
corrugations
tube
fluid
radiator
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.)
Revoked
Application number
EP13705741.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2810009A1 (fr
Inventor
Christian Riondet
Alan Day
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47748584&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2810009(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 PL13705741T priority Critical patent/PL2810009T3/pl
Publication of EP2810009A1 publication Critical patent/EP2810009A1/fr
Application granted granted Critical
Publication of EP2810009B1 publication Critical patent/EP2810009B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05358—Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
    • 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
    • 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
    • F28F1/06—Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • 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
    • F28F2001/027—Tubular elements of cross-section which is non-circular with dimples

Definitions

  • the invention relates to a cooling radiator for a vehicle, in particular an automobile. It may in particular be radiators for cooling the engine of the vehicle.
  • An exchanger according to the preamble of claim 1 is known from US 2012/0024510 .
  • Cooling radiators are known comprising a bundle of parallel tubes and two collectors (or manifolds) in which the corresponding ends of the tubes are connected in a fixed and sealed manner. A cooling fluid can thus flow through the tubes and exchange heat with an external air flow passing between the tubes. For this, the radiators are placed on the front of the vehicle and the air flow reaches the radiator passing through the calender.
  • the invention proposes for this purpose a cooling radiator for a vehicle, in particular an automobile, according to claim 1.
  • flat tube is meant a tube comprising two large parallel flat faces connected by lateral sides or radii, the total height of the tube, that is to say, its dimension in the direction perpendicular to the large flat faces, being less than the total width of the tube, that is to say its dimension in the direction perpendicular to the total height of the tube and the longitudinal axis of the tube.
  • a particularly advantageous embodiment of the invention is based on the link made by the applicant between the operating characteristics of the pumps used in the cooling loops and the characteristics of the radiator for optimizing their operation.
  • the figure 1 illustrates the overall efficiency "e” of a pump according to the flow "D" of fluid it generates. It is observed that the efficiency begins to grow until a certain flow rate before decreasing. In other words, there is a flow rate value for which the efficiency of the pump is maximum, here about 4000 liters per hour.
  • the figure 2 illustrates the "P" pressure of the fluid leaving the pump as a function of the flow "D" that it generates. It is observed that the pressure decreases with the flow rate.
  • the pressure drop due to the other circuit components such as the engine or the circulation channels between the engine and the cooling radiator being known or specified, it is possible to evaluate a corresponding pressure drop for the radiator.
  • a parameter influencing in particular the pressure drop generated by a radiator as defined above is the profile of the tube and even more specifically the internal height h T of the tube.
  • Internal height means the distance between the inner walls of the flat faces of the tube or the height of the fluid circulation blade in the tube, such a distance being measured at a portion of the walls not exhibiting corrugations.
  • the curves 3 and 4 illustrate in this way the relationship between this parameter and, respectively, the outlet pressure of the pump and the overall efficiency of the latter.
  • the invention thus proposes a radiator in which the tubes have an internal height of between 0.6 and 1.5 mm, more particularly between 0.8 and 1.2 mm.
  • the pump operates optimally in this value range.
  • the invention relates to a cooling radiator 1 for a vehicle, in particular an automobile, comprising a beam for exchanging heat between a first and a second fluid.
  • the first fluid consists, for example, of a cooling fluid such as a mixture of water and glycol.
  • the second fluid consists, for example, of air.
  • Said radiator may be configured to be placed on the front face of a motor vehicle so as to be swept by a flow of ambient air passing through a radiator grille of the vehicle.
  • Said beam comprises a row of tubes 2, parallel to each other, for the flow of the first fluid.
  • Said tubes 2 extend in a longitudinal direction marked A in the figure.
  • Each tube 2 here has two longitudinal ends 2A fixedly and sealingly connected to manifolds 3, 4 of the radiator for the circulation of said first fluid through said radiator.
  • Said manifolds 3, 4 comprise, for example, a header plate and a lid defining an interior volume of the box.
  • fastening flanges not shown. They may also comprise, respectively, inlet and outlet pipes 5 and 6.
  • the collector plates of said collector boxes 3, 4 are, for example metal, including aluminum or aluminum alloys.
  • the covers are, for example, plastic and crimped on the collector plates.
  • the collector plates and lids are both metal, especially aluminum or aluminum alloys.
  • interlayers 7 increasing the heat exchange surface between the fluid flowing in the tubes 2 and the air flowing between said tubes 2.
  • the tubes 2 and the spacers 7 are here stacked alternatively in the direction B, perpendicular to the axis A in the plane of the figure.
  • the radiator may also include lateral cheeks 8 protecting the beam on either side of the stack of tubes 2 and tabs 7.
  • tubes 2 are flat.
  • the tubes 2 comprise two large flat faces 10a, 10b, parallel, connected by lateral sides or radii 12.
  • the height of the tubes that is to say that is, their dimension in the direction perpendicular to the planar faces 10a, 10b, which corresponds to the stacking direction B of the tubes 2 and the spacers 7, is smaller than the width L T of said tubes 2, that is to say their dimension in the direction perpendicular to the direction B and the longitudinal axis A of the tubes 2, the latter being orthogonal to the plane of the figure.
  • the tubes 2 are, for example, of the type comprising a strip 14, folded on itself so as to define a plurality of channels 16a, 16b for circulating the fluid.
  • Said tubes 2 may in particular have a configuration in which said strip 14 has legs 18a, 18b joining a first 10a to the second 10b of said flat faces of the tube so as to define said channels 16a, 16b.
  • said strip 14 has legs 18a, 18b joining a first 10a to the second 10b of said flat faces of the tube so as to define said channels 16a, 16b.
  • said legs 18a, 18b have, for example, a base formed of a bent portion 20 of the strip 14 connecting them to the first planar face 10a. They are extended here against each other to finish against the second flat face 10b, especially via their edge. Here they define two channels 16a, 16b of substantially equal section. In other words, said legs 18a, 18b are located along a median plane of the tubes 2. The latter substantially have a substantially B-shaped profile in this way.
  • Such tubes 2 are sealed, for example, by soldering, the brazing of the tubes 2 of the same exchanger taking place, in particular, simultaneously with the brazing of all the metal parts of the exchanger.
  • said sheet of material 14 is, for example, aluminum or aluminum alloy.
  • said tubes 2 are provided with corrugations 22 configured to disrupt the flow of said first fluid.
  • Corrugations 22 means shapes having a protruding profile towards the channel or channels 16a, 16b defined by said tubes 2. At the figure 6 , some of said corrugations 22 are in the cutting plane while others are located behind.
  • the corrugations 22 may be derived from material of a wall of the tube, that is to say, here the strip 14. They are formed, for example, by stamping said strip 14. They are located, in particular, at the planar faces 10a, 10b of the tubes. Said corrugations 22 have, for example, a free end (26). By this is meant that they are not in contact with the opposite planar face 10a, 10b or with any other of said corrugations 22.
  • said tubes 2 are furthermore spaced apart in the direction B by a pitch Tp (visible at figure 5 ), said no tubes, between 5 and 8 mm. Said tube pitch is between 6 and 7 mm.
  • tubes 2 having an internal height h T of between 0.6 and 1.5 mm, more particularly between 0.8 and 1.2 mm.
  • internal height is meant as already said the distance between the inner walls 24a, 24b of the flat faces 10a, 10b of the tubes 2 or the blade height of circulation of the first fluid in said tubes 2, such a distance being measured at the part of the walls showing no corrugations 22.
  • Said tubes 2 may have a material thickness e T less than 270 ⁇ m, more particularly 230 ⁇ m, more particularly 200 ⁇ m.
  • corrugations 22 may have on the surface of the tube 2 any possible distributions or shapes. They may thus, for example, be arranged in rows or staggered on the same flat face 10a, 10b and / or a flat face 10a, 10b to another. They may also be circular or elongated sections, forming or not at the same angle or different angles relative to the longitudinal axis A of the tubes.

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)
EP13705741.0A 2012-02-03 2013-02-01 Radiateur de refroidissement pour vehicule, notamment automobile Revoked EP2810009B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13705741T PL2810009T3 (pl) 2012-02-03 2013-02-01 Chłodnica do pojazdu, w szczególności do pojazdu samochodowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1251015A FR2986472B1 (fr) 2012-02-03 2012-02-03 Radiateur de refroidissement pour vehicule, notamment automobile
PCT/EP2013/052084 WO2013113900A1 (fr) 2012-02-03 2013-02-01 Radiateur de refroidissement pour vehicule, notamment automobile

Publications (2)

Publication Number Publication Date
EP2810009A1 EP2810009A1 (fr) 2014-12-10
EP2810009B1 true EP2810009B1 (fr) 2018-08-22

Family

ID=47748584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13705741.0A Revoked EP2810009B1 (fr) 2012-02-03 2013-02-01 Radiateur de refroidissement pour vehicule, notamment automobile

Country Status (7)

Country Link
US (1) US9671169B2 (pl)
EP (1) EP2810009B1 (pl)
JP (2) JP2015505605A (pl)
CN (1) CN104169669A (pl)
FR (1) FR2986472B1 (pl)
PL (1) PL2810009T3 (pl)
WO (1) WO2013113900A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179588A1 (ja) * 2016-04-11 2017-10-19 カルソニックカンセイ株式会社 熱交換器
JP2020529573A (ja) * 2017-07-31 2020-10-08 ヴァレオ システム テルミク 攪乱装置を有する熱交換器用チューブ
DE102017222742A1 (de) * 2017-12-14 2019-06-19 Hanon Systems Rohr, insbesondere Flachrohr für einen Abgaskühler und Abgaskühler
JP7181725B2 (ja) * 2018-08-09 2022-12-01 マレリ株式会社 熱交換チューブ及び熱交換器
DE102019000723A1 (de) * 2019-01-31 2020-08-06 Hydac Cooling Gmbh Kühler
DE102020202313A1 (de) * 2020-02-24 2021-08-26 Mahle International Gmbh Wärmeübertrager
FR3141481A1 (fr) 2022-10-26 2024-05-03 Ferco Système de verrouillage pour une menuiserie coulissante

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0710811A2 (en) 1994-11-04 1996-05-08 Nippondenso Co., Ltd. Corrugate fin type heat exchanger
DE10127084A1 (de) 2000-06-17 2002-03-28 Behr Gmbh & Co Wärmeübertrager, insbesondere für Kraftfahrzeuge
US20020153131A1 (en) 1988-08-12 2002-10-24 Calsonic Kansei Corporation Multi-flow type heat exchanger
US20050045314A1 (en) 2004-08-26 2005-03-03 Valeo, Inc. Aluminum heat exchanger and method of making thereof
WO2005052490A1 (de) 2003-10-28 2005-06-09 Behr Gmbh & Co. Kg Strömungskanal für einen wärmeübertrager und wärmeübertrager mit derartigen strömungskanälen
US20070287334A1 (en) 2006-06-13 2007-12-13 Calsonic Kansei Corporation Flat tube adapted for heat exchanger
WO2010089287A1 (de) 2009-02-05 2010-08-12 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere heizkörper für kraftfahrzeuge

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US4470452A (en) * 1982-05-19 1984-09-11 Ford Motor Company Turbulator radiator tube and radiator construction derived therefrom
US5730213A (en) * 1995-11-13 1998-03-24 Alliedsignal, Inc. Cooling tube for heat exchanger
JPH1194481A (ja) * 1997-09-25 1999-04-09 Gac Kk 熱交換器用チューブおよび熱交換器
SE521816C2 (sv) * 1999-06-18 2003-12-09 Valeo Engine Cooling Ab Fluidtransportrör samt fordonskylare med sådant
JP2001174177A (ja) * 1999-12-21 2001-06-29 Denso Corp 車両用ラジエータ
JP4501286B2 (ja) * 2000-02-25 2010-07-14 株式会社デンソー 熱交換器
US7073570B2 (en) * 2003-09-22 2006-07-11 Visteon Global Technologies, Inc. Automotive heat exchanger
US7182128B2 (en) * 2005-03-09 2007-02-27 Visteon Global Technologies, Inc. Heat exchanger tube having strengthening deformations
JP2006266528A (ja) * 2005-03-22 2006-10-05 T Rad Co Ltd 熱交換器用偏平チューブ
JP2006317117A (ja) * 2005-05-16 2006-11-24 Denso Corp 熱交換器
JP2009524003A (ja) * 2006-01-19 2009-06-25 モーディーン・マニュファクチャリング・カンパニー フラットチューブ、フラットチューブ型熱交換器及びその製造方法
KR101250771B1 (ko) * 2006-09-21 2013-04-04 한라공조주식회사 열교환기
FR2924794B1 (fr) * 2007-12-11 2015-12-11 Valeo Systemes Thermiques Tubes multicanaux pour un echangeur de chaleur brase
US20100116481A1 (en) * 2008-11-12 2010-05-13 Evans Timothy V Heat Exchanger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020153131A1 (en) 1988-08-12 2002-10-24 Calsonic Kansei Corporation Multi-flow type heat exchanger
EP0710811A2 (en) 1994-11-04 1996-05-08 Nippondenso Co., Ltd. Corrugate fin type heat exchanger
DE10127084A1 (de) 2000-06-17 2002-03-28 Behr Gmbh & Co Wärmeübertrager, insbesondere für Kraftfahrzeuge
WO2005052490A1 (de) 2003-10-28 2005-06-09 Behr Gmbh & Co. Kg Strömungskanal für einen wärmeübertrager und wärmeübertrager mit derartigen strömungskanälen
US20050045314A1 (en) 2004-08-26 2005-03-03 Valeo, Inc. Aluminum heat exchanger and method of making thereof
US20070287334A1 (en) 2006-06-13 2007-12-13 Calsonic Kansei Corporation Flat tube adapted for heat exchanger
WO2010089287A1 (de) 2009-02-05 2010-08-12 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere heizkörper für kraftfahrzeuge
US20120024510A1 (en) 2009-02-05 2012-02-02 Michael Kohl Heat exchanger, in particular a heating element for motor vehicles

Also Published As

Publication number Publication date
FR2986472B1 (fr) 2014-08-29
US20150041106A1 (en) 2015-02-12
JP2018087684A (ja) 2018-06-07
JP2015505605A (ja) 2015-02-23
PL2810009T3 (pl) 2019-03-29
CN104169669A (zh) 2014-11-26
FR2986472A1 (fr) 2013-08-09
WO2013113900A1 (fr) 2013-08-08
EP2810009A1 (fr) 2014-12-10
US9671169B2 (en) 2017-06-06

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