EP0789213B1 - Echangeur de chaleur pour véhicule automobile - Google Patents

Echangeur de chaleur pour véhicule automobile Download PDF

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Publication number
EP0789213B1
EP0789213B1 EP96114861A EP96114861A EP0789213B1 EP 0789213 B1 EP0789213 B1 EP 0789213B1 EP 96114861 A EP96114861 A EP 96114861A EP 96114861 A EP96114861 A EP 96114861A EP 0789213 B1 EP0789213 B1 EP 0789213B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
heat
circuit
collection pipes
collection
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
Application number
EP96114861A
Other languages
German (de)
English (en)
Other versions
EP0789213A2 (fr
EP0789213A3 (fr
Inventor
Friedrich Krehl
Rainer Ruoff
Kurt Scharpf
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 EP0789213A2 publication Critical patent/EP0789213A2/fr
Publication of EP0789213A3 publication Critical patent/EP0789213A3/fr
Application granted granted Critical
Publication of EP0789213B1 publication Critical patent/EP0789213B1/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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to header boxes
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0443—Combination of units extending one beside or one above the other
    • 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
    • F28D2021/0084—Condensers
    • 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
    • F28D2021/0096—Radiators for space heating
    • 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
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media

Definitions

  • the invention relates to a heat exchanger for a motor vehicle, with a unit of two collecting tubes and a rib / tube block integrated between them for a first circuit for guiding a heat transfer medium, the tubes of the fins / tube block opening into the header tubes, and with heat transfer means for at least one further circuit for guiding one another heat transfer medium, the unit consisting of manifolds and Ribs / tube block a subdivision into at least two mutually independent Heat transfer areas is made, with at least one heat transfer area the heat transfer means for the at least one other Circuit are integrated, and being in both manifolds at the same height each at least one partition arrangement for dividing each manifold is provided in the mutually independent heat transfer areas, wherein at least one partition arrangement is formed by two end walls, that leave a space between them and the space between them End walls limited space with a control hole leading to the outside is provided.
  • Such a heat exchanger is in the form of a partial block cooler from the US patent 2,037,845.
  • Various fins / tube block units open in the partial block cooler in several collection boxes, which in turn with one on each side common water box are connected.
  • In the respective water box are two mutually spaced partitions are provided, a closed between them Form space.
  • the closed space is through two permanent openings open to one side.
  • Another heat exchanger is known from JP 4-369396 A.
  • the known Heat exchanger has three heat transfer areas, the different oil coolers form. All three heat transfer areas are in one Integrated ribs / tube block, which opens into a collecting tube on each side. Each manifold is divided into different parts by means of appropriate partition walls Divided heat transfer areas.
  • JP 4-268198 A is a heat exchanger with a single heat transfer area known in the inspection holes in a web section of a Collector tube are formed, which are open inwards to the fins / tube block.
  • a front area of a motor vehicle is known, which with a heat exchanger in the form of a heat exchanger is provided.
  • a strut is provided, which is tubular and at its ends with Line connections for integration into a coolant circuit is provided.
  • the strut therefore represents a heat exchanger tube. This makes it possible to close proximity to the first coolant circuit of the heat exchanger to arrange another coolant circuit.
  • the strut serves in particular as an oil cooler for a servo oil circuit in a power steering system.
  • the object of the invention is to provide a heat exchanger of the type mentioned create that with good use of the available space in simple Way a leak detection enables.
  • the solution according to the invention makes it possible to leak the circuits in the area of the end walls.
  • the control hole thus serves as a leak hole.
  • the solution according to the invention is also simple modified the already existing elements of a heat exchanger known per se, by at least two circuits of different heat transfer media to be able to integrate. Additional components are in the solution according to the invention not required, which means both the construction effort and the assembly time for installing or removing the heat exchanger is significantly reduced. It will be a requires little space, fewer items are provided and the invention Solution has a relatively low weight, which makes it overall there is a reduced cost.
  • By providing two end walls prevents leakage in the area of the end walls a mixture of the heat transfer media takes place. Through the two to each other spaced end walls is thus a safe separation of the heat transfer media achieved.
  • an inlet and a return of the first circuit arranged on one of the manifolds In an embodiment of the invention are an inlet and a return of the first circuit arranged on one of the manifolds. In a further embodiment of the invention an inlet and a return of the further circuit arranged on one of the manifolds.
  • a bypass hole is in the bulkhead intended. This causes a pressure drop in the associated heat transfer circuit prevented.
  • a heat exchanger (1) according to FIGS. 1 to 3 represents a combination of one Condenser and an oil cooler, which is intended for installation in a motor vehicle is.
  • the heat exchanger has two side manifolds (2, 3) between which a ribs / tube block (4) extends in a manner known per se.
  • the Ribs / tube block (4) has a plurality of parallel and spaced apart Flat tubes (5), between which in a not shown, but known Way corrugated fins are arranged.
  • the heat exchanger (1) is divided into two different cooling areas (19, 20), of which the upper cooling area (19) in FIG. 1 is part of a cooling circuit for cooling an engine of the motor vehicle.
  • a first pipe (6) which is in an upper End area connects to the manifold (2) serves as the inlet of this cooling circuit to the heat exchanger (1), a lower tube (7) which in the area of a lower end of the cooling area (19) for the first cooling circuit to the manifold (2) is connected, forms a return for this cooling circuit.
  • a coolant for the upper cooling circuit from the manifold (2) through the fins / tube block (4) to the manifold (3) and back is at least in the manifold (2) at half its length intended for the upper cooling circuit
  • a lower cooling area (20) of the heat exchanger (1) is completely separated from the upper cooling area (19) in terms of flow.
  • the lower cooling circuit has oil as the cooling liquid, so that the lower cooling region (20) represents an oil cooler.
  • this lower cooling area in the heat exchanger system (1) is used to cool servo oil for power steering of the motor vehicle.
  • this lower cooling area (20) can also be used for other types of heat exchangers.
  • Both collecting tubes (2, 3) are provided at the same height, ie at the same length of the respective collecting tube (2, 3), each with a partition arrangement (10) which consists of two end walls (14, 16) arranged parallel and at a distance from one another ,
  • the two upper end walls (14) close off the two upper flow chambers of the header pipes (2 and 3) for the first cooling circuit towards the lower cooling area (20).
  • the two lower end walls (16) of the partition arrangement (10) close off a lower flow chamber in each manifold (2, 3), both flow chambers in the manifolds (2, 3) forming part of the lower cooling area (20) for a further cooling circuit with a coolant different from the coolant for the upper cooling circuit.
  • two further pipe connections (8, 9) are connected to the lower flow chamber of the collecting pipe (2), the pipe (8) forming an inlet and the pipe (9) forming a return for the cooling circuit of the lower cooling area (20).
  • An intermediate space (15) remains between the two end walls (14, 16) of each partition arrangement (10) and serves as a leakage space. If one of the two end walls (14, 16) is leaking, the leaking coolant enters this space (15) so that it cannot mix with the coolant of the other cooling circuit. In the event that both end walls (14, 16) are leaking, no cooling liquid can enter the cooling circuit of the other cooling area (19, 20), since the cooling liquids (2) will only mix with one another in the intermediate space (15).
  • the intermediate space (15) in the collecting pipe (2) is provided with a control bore (17) leading to the outside. As soon as one of the two end walls (14, 16) leaks, the corresponding coolant flows out through the intermediate space (15) and the control hole (17). Depending on the nature of the coolant, you can immediately see which of the two cooling circuits is leaking.
  • a partition (11) is provided at the level of the two partition sections (10) instead of a flat tube (5), the external dimensions of which are those of one Correspond to the flat tube (5).
  • the separating web (11) has a full cross section.
  • the lower cooling area is next to the corresponding lower flow chamber sections assigned a total of four flat tubes (5) in the header tubes (2 and 3), wherein two upper flat tubes (5) the inlet and two lower flat tubes (5) are assigned to the return.
  • a bulkhead (12) divides the lower flow chamber the manifold (2) in two sections, the circuit of the coolant caused by the flat tubes (5).
  • One provided in the bulkhead (12) Bypass hole (13) prevents a pressure drop in the lower cooling circuit.
  • the lower ends of the lower flow chambers of the two manifolds (2 and 3) are closed by a respective end wall (18).
  • the heat exchanger (1) according to FIGS. 1 to 3 thus has two completely independent cooling circuits, with essentially the Components of a heat exchanger known per se can be used.
  • the Modification of a known heat exchanger to the invention Heat exchangers with two independent cooling circuits are made by few and simple measures by simply adding additional ones to the manifolds (2 and 3) End walls (14, 16) are pulled in and one of the flat tubes (5) at the level of the end walls (14, 16) through a partition (11) with a full cross-section is replaced. The additional pipe connections are also connected without much effort.
  • the heat exchanger according to the present invention is not just a combination from condenser and oil cooler, but also as a radiator in an analogous manner used.

Claims (5)

  1. Echangeur de chaleur pour un véhicule automobile, comportant une unité constituée de deux tubes de collecte et un bloc à ailettes/tubes, qui est fixé entre ces tubes de collecte, pour un premier circuit pour le guidage d'un milieu de transfert thermique, les tubes du bloc à ailettes/tubes débouchant dans les tubes de collecte, ainsi que des moyens de transfert thermique pour au moins un autre circuit pour le guidage d'un autre milieu de transfert thermique, et dans lequel une division en au moins deux zones de transfert thermique (19, 20) indépendantes l'une de l'autre est réalisée dans l'unité formée par le tube de collecte (2, 3) et le bloc à ailettes/tubes (4), les moyens de transfert thermique pour l'au moins un autre circuit sont intégrés dans au moins une zone de transfert thermique (20), et respectivement au moins un dispositif à paroi de séparation (10) est prévu à une même hauteur dans les deux tubes de collecte (2, 3) pour une division de chaque tube de collecte (2, 3) en les zones de transfert thermique (19, 20) indépendantes l'une de l'autre, l'au moins un dispositif à paroi de séparation (10) est formé par deux parois de terminaison (14, 16), qui définissent entre elles un espace intercalaire (15), et l'espace intercalaire (15) délimité par les deux parois de terminaison (14, 16) comporte un perçage de contrôle (17) qui mène à l'extérieur, caractérisé en ce que le bloc à ailettes/tubes (4) comporte, à hauteur des espaces intercalaires (15) dans les deux tubes de collecte (2, 3), un dispositif à barrette de séparation (11) qui s'étend entre les deux tubes de collecte (2, 3).
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce qu'un dispositif d'arrivée et un dispositif de retour du premier circuit sont disposés sur l'un des tubes de collecte (2).
  3. Echangeur de chaleur selon la revendication 1 ou 2, caractérisé en ce qu'un dispositif d'arrivée et un dispositif de retour de l'autre circuit sont disposés sur l'un des tubes de collecte (2).
  4. Echangeur de chaleur selon l'une des revendications 1 à 3, caractérisé en ce qu'une paroi de séparation (12), qui divise le tube de collecte (2) en deux sections de chambre, est disposée au moins dans un tube de collecte (2).
  5. Echangeur de chaleur selon la revendication 1, caractérisé en ce qu'un perçage de bipasse (13) est prévu dans la paroi de séparation (12).
EP96114861A 1995-09-28 1996-09-17 Echangeur de chaleur pour véhicule automobile Expired - Lifetime EP0789213B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19536116 1995-09-28
DE19536116A DE19536116B4 (de) 1995-09-28 1995-09-28 Wärmeübertrager für ein Kraftfahrzeug

Publications (3)

Publication Number Publication Date
EP0789213A2 EP0789213A2 (fr) 1997-08-13
EP0789213A3 EP0789213A3 (fr) 1998-06-24
EP0789213B1 true EP0789213B1 (fr) 2002-12-11

Family

ID=7773440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96114861A Expired - Lifetime EP0789213B1 (fr) 1995-09-28 1996-09-17 Echangeur de chaleur pour véhicule automobile

Country Status (4)

Country Link
EP (1) EP0789213B1 (fr)
JP (1) JP3860256B2 (fr)
DE (2) DE19536116B4 (fr)
ES (1) ES2185730T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7523782B2 (en) 2004-07-31 2009-04-28 Valeo, Inc. Heat exchanger having a double baffle

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WO1998009124A1 (fr) * 1996-08-29 1998-03-05 Zexel Corporation Echangeur thermique
JP3810875B2 (ja) 1997-01-24 2006-08-16 カルソニックカンセイ株式会社 一体型熱交換器
DE19729239A1 (de) * 1997-07-09 1999-01-14 Behr Gmbh & Co Rohr-/Rippenblock für einen Wärmeübertrager und Herstellungsverfahren hierfür
DE19915389A1 (de) 1999-04-06 2000-10-12 Behr Gmbh & Co Mehrblock-Wärmeübertrager
DE19921273A1 (de) * 1999-05-07 2000-11-09 Behr Industrietech Gmbh & Co Wärmeübertrager, insbesondere für Schienenfahrzeuge
DE19957307A1 (de) * 1999-11-29 2001-05-31 Behr Gmbh & Co Zweikreis-Wärmeübertrager
JP2003028592A (ja) * 2001-07-16 2003-01-29 Denso Corp 熱交換器
US6938675B2 (en) 2000-10-11 2005-09-06 Denso Corporation Heat exchanger
GB2377268A (en) * 2001-07-07 2003-01-08 Visteon Global Tech Inc A heat exchanger with isolated cooling circuits
US6793012B2 (en) 2002-05-07 2004-09-21 Valeo, Inc Heat exchanger
EP1532417A4 (fr) 2002-06-18 2008-07-30 Showa Denko Kk Echangeur thermique de type unite
US7337832B2 (en) 2003-04-30 2008-03-04 Valeo, Inc. Heat exchanger
JP4280545B2 (ja) * 2003-05-14 2009-06-17 カルソニックカンセイ株式会社 複合型熱交換器
JP2004340485A (ja) * 2003-05-15 2004-12-02 Calsonic Kansei Corp 複合型熱交換器
US6942014B2 (en) 2003-05-30 2005-09-13 Valeo, Inc. Heat exchanger having an improved baffle
US6904963B2 (en) 2003-06-25 2005-06-14 Valeo, Inc. Heat exchanger
US7527087B2 (en) 2003-06-30 2009-05-05 Valeo, Inc. Heat exchanger
US7073570B2 (en) 2003-09-22 2006-07-11 Visteon Global Technologies, Inc. Automotive heat exchanger
US7096932B2 (en) * 2003-12-22 2006-08-29 Modine Manufacturing Company Multi-fluid heat exchanger and method of making same
US7360584B2 (en) 2004-11-19 2008-04-22 Modine Manufacturing Company Thermal relief mechanism for combination-type heat exchangers
DE102006017434B4 (de) 2005-08-04 2020-03-12 Hanon Systems Mehrflutiger Wärmeübertrager
US20070044953A1 (en) * 2005-08-31 2007-03-01 Valeo, Inc. Heat exchanger
FR2898669B1 (fr) 2006-03-15 2008-12-05 Valeo Systemes Thermiques Boite collectrice amelioree pour echangeur a chambres multiples et echangeur de chaleur correspondant
WO2008064199A1 (fr) * 2006-11-22 2008-05-29 Johnson Controls Technology Company Évaporateur multicanaux comprenant un collecteur séparant l'écoulement
WO2008064247A1 (fr) * 2006-11-22 2008-05-29 Johnson Controls Technology Company Échangeur de chaleur multicanal polyvalent
FR2912209B1 (fr) * 2007-02-06 2013-08-23 Valeo Systemes Thermiques Echangeur multi circuits
DE102007044739A1 (de) * 2007-09-18 2009-03-26 Behr Gmbh & Co. Kg Wärmeübertrager insbesondere eines Kraftfahrzeuges mit einem Kühlrohre umfassenden Wärmeübertragerblock
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Publication number Priority date Publication date Assignee Title
US7523782B2 (en) 2004-07-31 2009-04-28 Valeo, Inc. Heat exchanger having a double baffle

Also Published As

Publication number Publication date
DE19536116A1 (de) 1997-04-03
ES2185730T3 (es) 2003-05-01
DE59609973D1 (de) 2003-01-23
JPH09152296A (ja) 1997-06-10
EP0789213A2 (fr) 1997-08-13
DE19536116B4 (de) 2005-08-11
JP3860256B2 (ja) 2006-12-20
EP0789213A3 (fr) 1998-06-24

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