EP0789213A2 - Echangeur de chaleur pour véhicule automobile - Google Patents

Echangeur de chaleur pour véhicule automobile Download PDF

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Publication number
EP0789213A2
EP0789213A2 EP96114861A EP96114861A EP0789213A2 EP 0789213 A2 EP0789213 A2 EP 0789213A2 EP 96114861 A EP96114861 A EP 96114861A EP 96114861 A EP96114861 A EP 96114861A EP 0789213 A2 EP0789213 A2 EP 0789213A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
cooling
heat transfer
circuit
end walls
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
EP96114861A
Other languages
German (de)
English (en)
Other versions
EP0789213B1 (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 consisting of two manifolds and a fins / tube block integrated between them for a first circuit for guiding a heat exchanger medium and with heat exchanger means for at least one further circuit for guiding another heat exchanger medium.
  • a front area of a motor vehicle which is provided with a heat exchanger in the form of a cooler.
  • a strut is provided, which is tubular and is provided at its ends with line connections for integration into a coolant circuit.
  • the strut therefore represents a heat exchanger tube. This makes it possible to arrange a further coolant circuit in the immediate vicinity of the first coolant circuit of the cooler.
  • 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 at the outset, which enables the integration of the at least two different circuits of heat transfer media with little structural outlay.
  • the unit consisting of manifolds and fins / tube block is subdivided into at least two mutually independent heat transfer areas, the heat transfer means for the at least one further circuit being integrated in at least one heat transfer area.
  • the already existing elements of a heat exchanger known per se, in particular a cooler are modified in a simple manner in order to be able to integrate at least two circuits of different heat transfer media.
  • Additional components as is the case in the prior art due to the heat exchanger tube designed as a strut, are not required in the solution according to the invention, as a result of which both the structural outlay and the installation time for installing or removing the heat exchanger are considerable compared to the prior art is reduced.
  • the solution according to the invention requires less space than in the prior art. Compared to the prior art, fewer individual parts are provided, the solution according to the invention has a lower weight and a lower cost is achieved.
  • At least one partition arrangement is provided in each of the two collecting pipes at the same height for dividing each collecting pipe into the mutually independent heat transfer areas.
  • the at least one partition arrangement is formed by two end walls, which leave a space between them.
  • the provision of two end walls prevents the heat transfer media from mixing in the event of a leak in the region of the end walls. By the two spaced apart End walls thus secure separation of the heat transfer media is achieved.
  • the space delimited by the two end walls is provided with a control hole leading outwards.
  • This control hole serves as a leakage hole, which reveals leaks in the circuits in the area of the end walls.
  • a heat exchanger (1) according to FIGS. 1 to 3 represents a cooler which is intended for installation in a motor vehicle.
  • the cooler has two side collecting tubes (2, 3), between which a rib / tube block (4) extends in a manner known per se.
  • the fins / tube block (4) has a multiplicity of flat tubes (5) arranged parallel and at a distance from one another, between which corrugated fins are arranged in a manner which is not shown but is known.
  • the cooler (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 connects to the header pipe (2) in an upper end area, serves as the inlet of this cooling circuit to the cooler (1), a lower pipe (7), which is located in the area of a lower end of the cooling area (19). for the first cooling circuit is connected to the manifold (2), forms a return for this cooling circuit.
  • the flow chamber is located halfway through its flow chamber provided for the upper cooling circuit partition wall divided into two chamber sections.
  • a lower cooling area (20) of the cooler (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) serves to cool servo oil for power steering of the motor vehicle.
  • this lower cooling area (20) can also be used for other types of coolers.
  • Both manifolds (2, 3) are provided at the same height, ie at the same length of the respective manifold (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 manifolds (2 and 3) for the first cooling circuit to the lower cooling area (20).
  • the two lower end walls (16) of the partition arrangement (10) close a lower flow chamber in each manifold (2, 3) upwards, both flow chambers in the manifolds (2, 3) being part of the lower cooling area (20) for a further cooling circuit with a cooling liquid different from the cooling liquid 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. Also 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). However, due to the significantly higher pressures in the respective flow chambers of the two cooling areas (19, 20), the mixed cooling liquids from the intermediate space (15) will not be able to get into the upper or lower cooling area (19, 20).
  • the intermediate space (15) in the collecting pipe (2) is provided with a control bore (17) leading to the outside.
  • the control hole (17) leading to the outside.
  • a partition (11) is provided at the level of the two partition wall sections (10) instead of a flat tube (5). provided, the outer dimensions of which correspond to those of a flat tube (5).
  • the separating web (11) has a full cross section.
  • a total of four flat tubes (5) are assigned to the lower cooling area, two upper flat tubes (5) being assigned to the inlet and two lower flat tubes (5) to the return.
  • a bulkhead (12) divides the lower flow chamber of the manifold (2) into two sections, which causes the cooling liquid to circulate through the flat tubes (5).
  • a bypass bore (13) provided in the bulkhead (12) 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 each closed by an end wall (18).
  • the cooler (1) according to FIGS. 1 to 3 thus has two completely independent cooling circuits, essentially using the components of a cooler known per se.
  • the modification of a known cooler to the cooler according to the invention with two mutually independent cooling circuits is carried out by a few and simple measures, in that additional end walls (14, 16) are drawn into the header pipes (2 and 3) and one of the flat pipes (5) at the level of End walls (14, 16) is replaced by a separator (11) with a full cross section.
  • the additional pipe connections can also be connected with little effort.
  • the heat exchanger according to the present invention is not only a cooler, i.e. can be used as a condenser, but also as a radiator in an analogous manner.
  • the only difference is the choice of suitable heat transfer media, namely heating liquids in contrast to the cooling liquids described.

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)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
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 true EP0789213A2 (fr) 1997-08-13
EP0789213A3 EP0789213A3 (fr) 1998-06-24
EP0789213B1 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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0855566A2 (fr) * 1997-01-24 1998-07-29 Calsonic Corporation Echangeur de chaleur intégré
WO2003106910A1 (fr) * 2002-06-18 2003-12-24 Showa Denko K.K. Echangeur thermique de type unite
US6793012B2 (en) 2002-05-07 2004-09-21 Valeo, Inc Heat exchanger
US6904963B2 (en) 2003-06-25 2005-06-14 Valeo, Inc. Heat exchanger
WO2005066563A1 (fr) * 2003-12-22 2005-07-21 Modine Manufacturing Company Echangeur thermique multifluide et son procede de fabrication
US6942014B2 (en) 2003-05-30 2005-09-13 Valeo, Inc. Heat exchanger having an improved baffle
WO2007027354A1 (fr) * 2005-08-31 2007-03-08 Valeo, Inc. Échangeur thermique
WO2007104667A1 (fr) 2006-03-15 2007-09-20 Valeo Systemes Thermiques Boîte collectrice améliorée pour échangeur à chambres multiples et échangeur de chaleur correspondant
US7337832B2 (en) 2003-04-30 2008-03-04 Valeo, Inc. Heat exchanger
US7527087B2 (en) 2003-06-30 2009-05-05 Valeo, Inc. Heat exchanger

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0859209A4 (fr) * 1996-08-29 1999-06-09 Zexel Corp Echangeur thermique
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
US6938675B2 (en) 2000-10-11 2005-09-06 Denso Corporation Heat exchanger
JP2003028592A (ja) * 2001-07-16 2003-01-29 Denso Corp 熱交換器
GB2377268A (en) * 2001-07-07 2003-01-08 Visteon Global Tech Inc A heat exchanger with isolated cooling circuits
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
US7073570B2 (en) 2003-09-22 2006-07-11 Visteon Global Technologies, Inc. Automotive heat exchanger
US7523782B2 (en) 2004-07-31 2009-04-28 Valeo, Inc. Heat exchanger having a double baffle
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
WO2008064247A1 (fr) * 2006-11-22 2008-05-29 Johnson Controls Technology Company Échangeur de chaleur multicanal polyvalent
WO2008064263A2 (fr) * 2006-11-22 2008-05-29 Johnson Controls Technology Company Échangeur de chaleur multicanaux à circuit multiblocs
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
DE102008038498A1 (de) 2008-08-20 2010-02-25 Behr Gmbh & Co. Kg Wärmetauscher für ein Kraftfahrzeug
DE202010005710U1 (de) * 2010-06-24 2011-11-10 Autokühler GmbH & Co. KG Wärmetauscher

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Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE4100483A1 (de) 1991-01-10 1992-07-16 Daimler Benz Ag Kraftfahrzeugfront mit einem durch karosserierahmenteile umgrenzten karosseriedurchbruch fuer die anordnung eines waermetauschers

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0855566A3 (fr) * 1997-01-24 1999-06-16 Calsonic Corporation Echangeur de chaleur intégré
US6173766B1 (en) 1997-01-24 2001-01-16 Calsonic Kansei Corporation Integrated heat exchanger
EP0855566A2 (fr) * 1997-01-24 1998-07-29 Calsonic Corporation Echangeur de chaleur intégré
US6942023B2 (en) 2002-05-07 2005-09-13 Valeo, Inc. Heat exchanger
US6793012B2 (en) 2002-05-07 2004-09-21 Valeo, Inc Heat exchanger
US7059393B2 (en) 2002-05-07 2006-06-13 Valeo, Inc. Heat exchanger
US7156162B2 (en) 2002-06-18 2007-01-02 Showa Denko K.K. Unit-type heat exchanger
WO2003106910A1 (fr) * 2002-06-18 2003-12-24 Showa Denko K.K. Echangeur thermique de type unite
US7337832B2 (en) 2003-04-30 2008-03-04 Valeo, Inc. Heat exchanger
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
WO2005066563A1 (fr) * 2003-12-22 2005-07-21 Modine Manufacturing Company Echangeur thermique multifluide et son procede de fabrication
GB2422424A (en) * 2003-12-22 2006-07-26 Modine Mfg Co Multi-fluid heat exchanger and method of making same
US7096932B2 (en) 2003-12-22 2006-08-29 Modine Manufacturing Company Multi-fluid heat exchanger and method of making same
WO2007027354A1 (fr) * 2005-08-31 2007-03-08 Valeo, Inc. Échangeur thermique
WO2007104667A1 (fr) 2006-03-15 2007-09-20 Valeo Systemes Thermiques Boîte collectrice améliorée pour échangeur à chambres multiples et échangeur de chaleur correspondant

Also Published As

Publication number Publication date
DE19536116B4 (de) 2005-08-11
DE59609973D1 (de) 2003-01-23
ES2185730T3 (es) 2003-05-01
JP3860256B2 (ja) 2006-12-20
EP0789213B1 (fr) 2002-12-11
DE19536116A1 (de) 1997-04-03
JPH09152296A (ja) 1997-06-10
EP0789213A3 (fr) 1998-06-24

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