EP2372291A1 - Wärmetauschermodul umfassend einen Wärmetauscher mit rohrförmigen Sammelkästen - Google Patents

Wärmetauschermodul umfassend einen Wärmetauscher mit rohrförmigen Sammelkästen Download PDF

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Publication number
EP2372291A1
EP2372291A1 EP11160257A EP11160257A EP2372291A1 EP 2372291 A1 EP2372291 A1 EP 2372291A1 EP 11160257 A EP11160257 A EP 11160257A EP 11160257 A EP11160257 A EP 11160257A EP 2372291 A1 EP2372291 A1 EP 2372291A1
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EP
European Patent Office
Prior art keywords
heat exchanger
exchange module
manifolds
module according
heat exchange
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.)
Withdrawn
Application number
EP11160257A
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English (en)
French (fr)
Inventor
Jean Lavenu
Abdelkarim Rabii
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
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP2372291A1 publication Critical patent/EP2372291A1/de
Withdrawn legal-status Critical Current

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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
    • F28D1/0408—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
    • F28D1/0435—Combination of units extending one behind the other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/067—Details
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • F28D2021/0085—Evaporators
    • 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
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/143—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded injection molded

Definitions

  • the invention relates to the field of heat exchangers, especially for motor vehicles.
  • It relates more particularly to a heat exchange module comprising a first heat exchanger with molded manifolds and a second heat exchanger with tubular manifolds, in which the manifolds of the first heat exchanger are attached to the manifolds of the second heat exchanger. heat.
  • Such a heat exchange module is usually placed on the front face of a motor vehicle to be swept by an outside air flow under the effect of the vehicle speed and / or an associated motor-fan unit.
  • the second heat exchanger usually comprises two opposite tubular manifolds placed in a substantially vertical position and a bundle of tubes arranged in a substantially horizontal position.
  • This second heat exchanger forming a condenser is then mounted in a circulation loop of a refrigerant.
  • This loop further comprises another heat exchanger forming evaporator, located in the passenger compartment, and adapted to be traversed by a stream of air to cool it before sending it into the passenger compartment of the motor vehicle.
  • such a circulation loop can also be brought into operation in a heating or heat pump mode, the second heat exchanger of the front face then functioning as an evaporator and the other heat exchanger located in the passenger compartment. , functioning as a condenser to allow to heat the air to be sent in the cockpit.
  • the front condenser can also function as an evaporator, it is exposed to icing problems. However, it has been found that these problems could be overcome by placing the tubes of the condenser / evaporator in a substantially vertical position and the manifolds in a substantially horizontal position.
  • the invention generally aims to improve the fixing of the first heat exchanger and the second heat exchanger in a module of the aforementioned type.
  • the invention proposes for this purpose a heat exchange module of the type defined in the introduction, wherein the first heat exchanger comprises two spaced apart and aligned supports, molded with at least one of its collector boxes, so that to provide two open housings adapted to receive respectively two opposite ends of a first header of the second heat exchanger, and wherein the first heat exchanger further comprises holding members on at least one of its collector boxes; maintaining a second manifold of the second heat exchanger in a position where the opposite ends of the first manifold are received in their respective open housings.
  • the two supports of the first heat exchanger thus provide two positioning and reference supports for the ends of one of the manifolds of the second heat exchanger.
  • these two supports provide two open housing for receiving the opposite ends of this manifold, the establishment of the latter is effected particularly simple manner by interlocking.
  • the holding members of the first heat exchanger then make it possible to maintain the second heat exchanger in position relative to the first heat exchanger in a well-defined position.
  • the two aforementioned supports may be molded either with a single manifold or with two manifolds of the first heat exchanger.
  • these two supports are integrally molded with a first manifold and a second manifold of the first heat exchanger, and the holding members are also arranged on the first manifold and the second header of the first heat exchanger, so that the manifolds of the second heat exchanger extend in a direction substantially orthogonal to the manifolds of the first heat exchanger.
  • the manifolds of the first heat exchanger extend in a generally vertical direction, while the manifolds of the second heat exchanger extend in a generally horizontal direction.
  • the two supports and the two holding members are advantageously arranged respectively in the upper part and in the lower part of the first heat exchanger.
  • the first manifold of the second heat exchanger is placed in the upper position, that is to say above the second manifold.
  • the heat exchanger 12 comprises a bundle of tubes 16 interposed between two plastic molded manifolds, namely a manifold 18 on the left-hand side ( figure 1 ) and a manifold box 20 on the right ( figure 2 ). These two manifolds have been molded from a suitable plastic material and connected to the bundle 16 via respectively two collector plates 22 and 24 in a known manner. These two collector plates are respectively connected to the manifolds 18 and 20 by crimping or other similar means well known in the art.
  • the manifolds 18 and 20 of the first heat exchanger 12 extend in a generally vertical direction.
  • the tubes of the bundle 16 extend in a generally horizontal direction.
  • the heat exchanger 12 may be made for example in the form of a cooling radiator of a motor vehicle engine.
  • the second heat exchanger 14 comprises a bundle of tubes 26 extending between a first tubular collecting box 28 placed in the upper part ( Figures 1 and 2 ) and a second header 30 placed at the bottom ( figure 4 ).
  • the manifolds 28 and 30 here have a substantially circular cross section.
  • the two beams 16 and 26 extend in generally vertical and parallel planes, the flow of air successively passing through the beam 26 and the beam 16.
  • the two supports 32 and 34 of the heat exchanger 12 each delimit a U-shaped groove of limited axial length, for example of the order of 10 to 20 mm, to respectively receive the aforementioned tubular extensions 36 and 38.
  • These two U-shaped grooves are here open upwards to allow interlocking of the ends 36 and 38 of the manifold 28 by a downward vertical movement.
  • the U groove of at least one of the two supports 32 and 34, here that of the support 32, is closed by an abutment wall 40 which extends transversely to the groove ( figure 1 and 3 ).
  • This lug 42 makes it possible to guarantee the position of the manifold 28 in the direction of the arrow F 1 ( figure 3 ), that is to say in the axial direction of this manifold.
  • the lug 42 also guarantees anti-rotation of the manifold 28 in the supports 32 and 34.
  • the two supports 32 and 34 thus guarantee the positioning and referencing of the manifold 28 which, in the example, is placed in the upper part.
  • the holding members 44 are arranged to surround at least part of the ends 46 of the second tubular collecting box 30.
  • the ends 46 are also made in the form of tubular extensions which extend from one side to the other. other beam 26 for a length sufficient to be received in the holding members 44.
  • the two holding members 44 make it possible to prevent the second exchanger 14 from moving along the arrows F 2 shown in FIG. figure 5 , that is to say in a horizontal direction generally perpendicular to the plane of the beam 16.
  • the heat exchanger 14 can be easily set up by a translational movement in which the ends of the manifold 28 are received respectively in the supports 32 and 34, while the ends of the manifold 30 are received respectively in the holding members 44.
  • This locking could also be ensured by the holding members 44. However, it is preferred to use separate locking means.
  • These locking means advantageously comprise at least one clamping member fixed on the first heat exchanger 12, for example on at least one of its manifolds, or alternatively on an end flange (not shown) interposed between the two collector boxes mentioned above.
  • the figure 6 illustrates a first example in which these locking means are made in the form of a clamping member 50 in the form of a jumper comprising a curved branch 52 internally defining a semicircular groove.
  • This branch 52 is attached to the first heat exchanger 12, here on a manifold of the latter which defines a housing 54 of semicircular shape.
  • the branch 52 is fixed on the exchanger 12 by at least one screw 56 or the like. This defines a housing of substantially circular shape corresponding to the profile of the header box 30 of the heat exchanger 14.
  • the figure 7 shows another clamping member formed here in the form of a clipping pliers 58 comprising a flexible blade 60 having a generally arcuate profile extending about three quarters of a circumference and two curved ends 62 and 64 to allow a snug fit of one of the tubular manifolds, for example the manifold 30.
  • the clamp is provided with a screw 66 to be screwed into the heat exchanger 12, for example in one of its manifolds.
  • the invention is not limited to the embodiment described above by way of example. It is possible in particular to provide for the two supports 32 and 34 to be integrally molded with one of the manifolds of the heat exchanger 12 and for the holding members to be integrally molded with the other manifold of the heat exchanger 12.
  • the invention has been described more particularly with reference to a module in which the first heat exchanger 12 is a cooling radiator of a motor vehicle engine and the second heat exchanger 14 is a condenser or a condenser / evaporator, the invention is not limited to this particular application.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP11160257A 2010-03-31 2011-03-29 Wärmetauschermodul umfassend einen Wärmetauscher mit rohrförmigen Sammelkästen Withdrawn EP2372291A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052439A FR2958390B1 (fr) 2010-03-31 2010-03-31 Module d'echange de chaleur comprenant un echangeur de chaleur a boites collectrices tubulaires

Publications (1)

Publication Number Publication Date
EP2372291A1 true EP2372291A1 (de) 2011-10-05

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Family Applications (1)

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EP11160257A Withdrawn EP2372291A1 (de) 2010-03-31 2011-03-29 Wärmetauschermodul umfassend einen Wärmetauscher mit rohrförmigen Sammelkästen

Country Status (2)

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EP (1) EP2372291A1 (de)
FR (1) FR2958390B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996684A (en) * 1996-05-04 1999-12-07 Ford Motor Company Radiator and condenser assembly
EP1103398A1 (de) * 1999-11-26 2001-05-30 MAGNETI MARELLI CLIMATIZZAZIONE S.p.A. Wärmetauschereinheit für Kraftfahrzeuge
FR2814230A1 (fr) * 2000-09-20 2002-03-22 Valeo Thermique Moteur Sa Module d'echange de chaleur pour vehicule automobile
WO2002077556A1 (fr) * 2001-03-27 2002-10-03 Valeo Thermique Moteur Module d'echange de chaleur a montage simplifie pour vehicule automobile
WO2005073654A1 (de) * 2004-01-29 2005-08-11 Behr Gmbh & Co. Kg Anordnung zur gegenseitigen befestigung von wärmeübertragern
EP1757888A2 (de) * 2005-08-27 2007-02-28 Behr GmbH & Co. KG Anordnung zur Befestigung eines Wärmeübertragers an einem anderen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996684A (en) * 1996-05-04 1999-12-07 Ford Motor Company Radiator and condenser assembly
EP1103398A1 (de) * 1999-11-26 2001-05-30 MAGNETI MARELLI CLIMATIZZAZIONE S.p.A. Wärmetauschereinheit für Kraftfahrzeuge
FR2814230A1 (fr) * 2000-09-20 2002-03-22 Valeo Thermique Moteur Sa Module d'echange de chaleur pour vehicule automobile
WO2002077556A1 (fr) * 2001-03-27 2002-10-03 Valeo Thermique Moteur Module d'echange de chaleur a montage simplifie pour vehicule automobile
WO2005073654A1 (de) * 2004-01-29 2005-08-11 Behr Gmbh & Co. Kg Anordnung zur gegenseitigen befestigung von wärmeübertragern
EP1757888A2 (de) * 2005-08-27 2007-02-28 Behr GmbH & Co. KG Anordnung zur Befestigung eines Wärmeübertragers an einem anderen

Also Published As

Publication number Publication date
FR2958390B1 (fr) 2015-01-02
FR2958390A1 (fr) 2011-10-07

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