EP0444595A1 - Echangeur de chaleur, en particulier refroidisseur d'huile pour véhicule automobile - Google Patents

Echangeur de chaleur, en particulier refroidisseur d'huile pour véhicule automobile Download PDF

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Publication number
EP0444595A1
EP0444595A1 EP91102802A EP91102802A EP0444595A1 EP 0444595 A1 EP0444595 A1 EP 0444595A1 EP 91102802 A EP91102802 A EP 91102802A EP 91102802 A EP91102802 A EP 91102802A EP 0444595 A1 EP0444595 A1 EP 0444595A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
fold
flat
exchanger according
flat tube
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.)
Granted
Application number
EP91102802A
Other languages
German (de)
English (en)
Other versions
EP0444595B1 (fr
Inventor
Herbert Dr. Damsohn
Walter Dipl.-Ing. Wolf
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP0444595A1 publication Critical patent/EP0444595A1/fr
Application granted granted Critical
Publication of EP0444595B1 publication Critical patent/EP0444595B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • 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
    • F28D1/0308—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 the conduits being formed by paired plates touching each other
    • F28D1/0325—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 the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/10—Arrangements for sealing the margins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits

Definitions

  • the invention relates to a heat exchanger, in particular an oil cooler for motor vehicles, consisting of a plurality of flat tube sections through which a first heat exchange medium flows, which are closed on both sides by flat squeezing and / or by a flat squeezed standing seam and which are in parallel with the interposition of fins like ribs and the second heat exchange medium flowing against them.
  • Heat exchangers of this type are known (DE-GM 89 03 873).
  • the heat exchanger of this known type is produced in that a flat tube is bent in a zigzag or serpentine manner in such a way that the flat tube sections running between the bending points are parallel to one another.
  • the sealing of the flat tube sections which are provided through transverse bores with connecting pieces for the heat exchange medium, is achieved by squeezing the tube walls flat at the bending points on the one hand and at the two initially open ends of the tube by means of a squeezed standing seam. Sealing such standing seams creates certain difficulties, even when soldering is carried out.
  • the invention has for its object to design a heat exchanger of the type mentioned in such a way that the end closure of the flat tubes is carried out without great effort, but in such a way that the tightness is guaranteed in any case.
  • a heat exchanger of the type mentioned at the outset that the standing seams arranged on the tube ends are provided with a shaft contour running in the longitudinal direction of the fold. This can be done in a simple manner after folding by means of a corresponding pressing tool which presses the standing seam into a corrugated contour. On the one hand, this configuration results in a very stable closing fold. It also ensures its tightness because of the stable fold, even when the heat exchanger is exposed to relatively strong mechanical loads during operation, as is the case when used for oil coolers for motor vehicles.
  • the embodiment according to claims 4 to 6 has the advantage that in the area of the openings for connecting serve the flat tubes with each other, no deformation or distortion occur.
  • the features of claim 7 ensure a particularly tight fold and the features of subclaim 8 outline advantageous options for arranging the position of the fold with respect to the flat tube.
  • a heat exchanger is schematically indicated in its basic structure, which is to be used for the oil cooler of a motor vehicle.
  • the heat exchanger (1) of Fig. 1 consists of several flat tubes (2) of a certain length, which are arranged parallel to each other with their larger areas and are stacked on top of each other in the finished state with the interposition of lamellar fin plates (3).
  • Each of the flat tubes (2) is provided in the region of its ends with an opening (4) through which, as indicated by the arrow (5), one of the heat exchange media, for example the oil to be cooled, via connecting pieces (not shown) into the interior of the flat tube (2) can be guided, which is also filled in a known manner with inserted turbulence plates (6).
  • each flat tube (2) is also connected to one another via intermediate sleeves, so that a heat exchange medium in the direction of the arrow (5) can enter all flat tubes and leave them again through an outlet connection connecting one of the opposite openings (4) .
  • a so-called finned tube block is formed, which is flowed in the known manner in the direction of arrow (7) across the flat tubes (2) with the second heat exchange medium, for example with cooling air can.
  • Each of the flat tubes (2) consists of a tube piece that is initially open at both ends. The ends are sealed in that the walls of the flat tubes (2) are each compressed and folded into a standing seam (8) which, as can be seen in particular from FIG. 2, has a wave-like contour.
  • This can be achieved in a simple manner, for example, by first following the upper wall (9) of the flat tube (2) in the end region (9a) according to FIG. 3 is pressed down to about the level of the lower wall (10) by a tool into which the flat tube is inserted.
  • the parts (10b and 9b) of the walls (10 and 9) are initially parallel to one another. They are then folded over to the standing seam (11), which is initially still flat, but has four times the thickness of the walls (9 and 10).
  • the standing seam (11) is then pressed together in a pressing tool which has the shaft contour of the illustration in FIG. 2 in such a way that it reaches the approximately sinusoidal shaft contour shown in FIG has top (11 ') directed above. Since the corrugated contour is uniform, all apices (11 'and 11'') are seen over the entire length of the standing seam (11), each at the same distance from each other. The height (a) which the standing seam (11) thus formed occupies is also the same across the width (b) (FIG. 1) of each flat tube (2). 2 and 3, the configuration has been made so that the center line (12) of the sinusoidal shape of the standing seam (11) coincides approximately with the center longitudinal plane (13) of the flat tubes (2).
  • the distances between the apices (11 ') (the division) and the height (a) of the corrugations (the amplitude) in the central region of the fold (11) can be smaller than in the outer regions. It can be avoided that too much material is drawn into the fold when the fold (11) is squeezed in this central region, which lies on the end face of the flat tubes (2) in front of the openings (4). The area of the opening (4), via which each flat tube is connected to an adjacent one, is therefore less likely to be deformed or rejected. The connection of connecting pieces to neighboring pipes can therefore not be affected.
  • FIGS. 7 and 8 provides that the center line (12) of the sinusoidal shape of the standing seam (11) coincides approximately with the plane of the lower wall (10). This results in the fold shape shown in FIG. 8.
  • the embodiment of FIGS. 9 and 10 in turn provides that the standing seam (11) is shifted even further towards the center, but not yet as far as in FIGS. 2 and 3.
  • the center line (12) of the sinusoidal shape of the standing seam (11) lies somewhat above the inner surface of the lower wall (10).
  • All of the embodiments shown have the advantage of a very stable corrugated standing seam (11) which, as can be seen in each case from the sectional drawings of FIGS. 3, 4, 6, 8 and 10, also has very long and mutually curved sealing surfaces which are good and enable permanent sealing of the flat tubes (2), especially if soldering is then carried out.

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)
EP91102802A 1990-03-02 1991-02-26 Echangeur de chaleur, en particulier refroidisseur d'huile pour véhicule automobile Expired - Lifetime EP0444595B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9002440U 1990-03-02
DE9002440U DE9002440U1 (de) 1990-03-02 1990-03-02 Wärmetauscher, insbesonder Ölkühler für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
EP0444595A1 true EP0444595A1 (fr) 1991-09-04
EP0444595B1 EP0444595B1 (fr) 1994-05-04

Family

ID=6851531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91102802A Expired - Lifetime EP0444595B1 (fr) 1990-03-02 1991-02-26 Echangeur de chaleur, en particulier refroidisseur d'huile pour véhicule automobile

Country Status (2)

Country Link
EP (1) EP0444595B1 (fr)
DE (2) DE9002440U1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692691A1 (fr) * 1994-07-12 1996-01-17 Valeo Engine Cooling AB Echangeur de chaleur comprenant des tubes plats empilés et procédé pour sa fabrication
DE19605340A1 (de) * 1996-02-14 1997-08-21 Behr Gmbh & Co Wärmeübertrager und Verfahren zu seiner Herstellung
WO1997027619A3 (fr) * 1996-01-27 1997-10-23 Manfred Diels Procede pour produire des elements de refroidissement composes de plusieurs profiles partiels en metal pour monter sur des composants a semi-conducteur, profiles pour produire des elements de refroidissement de ce type et elements de refroidissement obtenus selon ledit procede
DE19723878B4 (de) * 1997-06-06 2007-10-25 Behr Gmbh & Co. Kg Wärmeübertrager
CN100365371C (zh) * 2001-12-18 2008-01-30 阿尔法拉瓦尔股份有限公司 热交换板以及包括该热交换板的板组件和热交换器
CN109612102A (zh) * 2018-12-17 2019-04-12 大连理工大学 一种换热片式快速高压气体预加热装置
DE102004007510B4 (de) 2004-02-13 2019-08-14 Mahle International Gmbh Wärmeübertrager, insbesondere Ölkühler für Kraftfahrzeuge
IT201800005663A1 (it) * 2018-05-24 2019-11-24 Dispositivo scambiatore termico

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437877C2 (de) * 1994-10-22 1997-08-07 Behr Gmbh & Co Wärmetauscher, insbesondere Ölkühler
US6496543B1 (en) 1996-10-29 2002-12-17 Qualcomm Incorporated Method and apparatus for providing high speed data communications in a cellular environment
DE19753724A1 (de) * 1997-12-04 1999-06-10 Behr Gmbh & Co Wärmeübertrager
DE19755037A1 (de) * 1997-12-11 1999-06-17 Behr Gmbh & Co Wärmeübertrager und Verfahren zu seiner Herstellung
KR100537666B1 (ko) * 2003-06-27 2005-12-20 현대자동차주식회사 자동차의 오일쿨러

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB444964A (en) * 1934-09-27 1936-03-27 Edwin James Bowman Improvements in and relating to radiator tubes
FR962385A (fr) * 1950-06-09
FR1367685A (fr) * 1963-06-13 1964-07-24 M E T O Soc D Applic Mecanique Procédé de fabrication de radiateurs de chauffage central, et nouveaux types de radiateurs ainsi obtenus
FR2005480A1 (fr) * 1968-04-03 1969-12-12 Ass Eng Ltd
US4298061A (en) * 1980-08-15 1981-11-03 The Singer Company Heat exchanger with crimped flange seam

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7129100U (de) * 1971-10-14 Siemens Ag Luft Luft-Kuhler
US4011905A (en) * 1975-12-18 1977-03-15 Borg-Warner Corporation Heat exchangers with integral surge tanks
US4084635A (en) * 1976-08-18 1978-04-18 Midland-Ross Corporation Heat recovery and heat distributing apparatus
IT1203212B (it) * 1978-12-27 1989-02-15 Piemontese Radiatori Scambiatore di calore particolarmente per il raffreddamento dell olio di lubrificazione di motori a combustione interna
DE3033413A1 (de) * 1980-09-05 1982-04-15 Malcolm Rex Walter Marleston South-Australia Heath Waermetauscher
DE8417650U1 (de) * 1984-06-09 1984-10-18 Bolin GmbH, 6000 Frankfurt Rekuperativer plattenwaermetauscher
FR2575279B1 (fr) * 1984-12-21 1989-07-07 Barriquand Echangeur a plaques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962385A (fr) * 1950-06-09
GB444964A (en) * 1934-09-27 1936-03-27 Edwin James Bowman Improvements in and relating to radiator tubes
FR1367685A (fr) * 1963-06-13 1964-07-24 M E T O Soc D Applic Mecanique Procédé de fabrication de radiateurs de chauffage central, et nouveaux types de radiateurs ainsi obtenus
FR2005480A1 (fr) * 1968-04-03 1969-12-12 Ass Eng Ltd
US4298061A (en) * 1980-08-15 1981-11-03 The Singer Company Heat exchanger with crimped flange seam

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692691A1 (fr) * 1994-07-12 1996-01-17 Valeo Engine Cooling AB Echangeur de chaleur comprenant des tubes plats empilés et procédé pour sa fabrication
WO1997027619A3 (fr) * 1996-01-27 1997-10-23 Manfred Diels Procede pour produire des elements de refroidissement composes de plusieurs profiles partiels en metal pour monter sur des composants a semi-conducteur, profiles pour produire des elements de refroidissement de ce type et elements de refroidissement obtenus selon ledit procede
DE19605340A1 (de) * 1996-02-14 1997-08-21 Behr Gmbh & Co Wärmeübertrager und Verfahren zu seiner Herstellung
DE19723878B4 (de) * 1997-06-06 2007-10-25 Behr Gmbh & Co. Kg Wärmeübertrager
CN100365371C (zh) * 2001-12-18 2008-01-30 阿尔法拉瓦尔股份有限公司 热交换板以及包括该热交换板的板组件和热交换器
DE102004007510B4 (de) 2004-02-13 2019-08-14 Mahle International Gmbh Wärmeübertrager, insbesondere Ölkühler für Kraftfahrzeuge
IT201800005663A1 (it) * 2018-05-24 2019-11-24 Dispositivo scambiatore termico
WO2019224767A1 (fr) * 2018-05-24 2019-11-28 Ecosfera S.R.L. Dispositif d'échange de chaleur
CN109612102A (zh) * 2018-12-17 2019-04-12 大连理工大学 一种换热片式快速高压气体预加热装置

Also Published As

Publication number Publication date
EP0444595B1 (fr) 1994-05-04
DE9002440U1 (de) 1990-05-03
DE59101527D1 (de) 1994-06-09

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