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US20110030935A1 - Multi-Circuit Heat Exchanger - Google Patents

Multi-Circuit Heat Exchanger Download PDF

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Publication number
US20110030935A1
US20110030935A1 US12/525,934 US52593407A US2011030935A1 US 20110030935 A1 US20110030935 A1 US 20110030935A1 US 52593407 A US52593407 A US 52593407A US 2011030935 A1 US2011030935 A1 US 2011030935A1
Authority
US
United States
Prior art keywords
exchanger
tubes
mechanical connection
connection means
circuits
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.)
Abandoned
Application number
US12/525,934
Other languages
English (en)
Inventor
Christian Riondet
Jean-Michel Haincourt
Jean-Marc Lesueur
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
Assigned to VALEO SYSTEMES THERMIQUES reassignment VALEO SYSTEMES THERMIQUES ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAINCOURT, JEAN-MICHEL, LESUEUR, JEAN-MARC, RIONDET, CHRISTIAN
Publication of US20110030935A1 publication Critical patent/US20110030935A1/en
Abandoned 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
    • F28D1/0443—Combination of units extending one beside or one above 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/08—Reinforcing means for header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00—Thermal insulation; Thermal decoupling
    • F28F2270/02—Thermal insulation; Thermal decoupling by using blind conduits

Definitions

  • the present invention relates to a multicircuit exchanger.
  • an exchanger comprising at least two independent or partially independent circuits inside which at least two fluids which may or not be different circulate before being cooled by a circulation of external air.
  • exchangers comprises a series of thin light alloy cylindrical tubes, often of flattened shape leading into two collector rings.
  • the seal between these tubes and the collector ring is provided by the interposition of elastic seals or by braising.
  • Very thin light alloy interlocked strips folded in an accordion shape are inserted between the tubes in order to increase the contact area between the exchanger and the ambient air travelling between the tubes; these interlocked strips conventionally being called inserts.
  • multicircuit exchangers comprise a separating partition in the two collector rings in order to separate the two circuits.
  • the structural elements close to this partition mainly the thin tubes
  • the thinnest structures such as the tubes are the most susceptible to breakage and to generating leaks.
  • the invention departs from the architectures mentioned above and proposes an exchanger comprising at least two circuits, this exchanger comprising:
  • this exchanger is characterized in that the mechanical means consists in a total or partial closing off of at least one tube situated next to the partitions.
  • Separatation means an imaginary line connecting the two partitions that are present respectively in each of the collector rings and that mark the boundary or limit between each of the two circuits. In a conventional manner, this separation consists in a straight line or a plane extending in the plane of extension or in the axis of the tubes and/or of the partitions.
  • the multicircuit exchanger according to the invention can have additional elements and/or features described below taken in isolation or in combination:
  • FIG. 1 is a schematic cross section of a multicircuit exchanger with two independent circuits according to the prior art.
  • FIG. 2 shows schematically an exemplary embodiment of an exchanger with two independent circuits according to the invention.
  • FIGS. 3 to 8 are variant embodiments of an exchanger with two independent circuits according to the invention also in schematic cross section.
  • FIG. 1 shows an exchanger 1 with two independent circuits as is conventionally produced according to the prior art. It comprises a first circuit A inside which a first fluid circulates and a circuit B inside which a second fluid circulates.
  • This exchanger comprises two collector rings C 1 and C 2 responsible for collecting the fluid. These collector rings are each separated in two portions by a wall P 1 and P 2 .
  • a set of tubes (in this instance numbering 7 ) t 1 to t 7 connect the two collector rings. Thin interlocked strips made of aluminum alloy folded in the shape of an accordion are inserted between the tubes to increase the area of contact between the tubes and the surrounding air.
  • Each circuit comprise an inlet and an outlet.
  • the fluid of the circuit A enters the circuit via the inlet Ea and leaves via the outlet Sa after having circulated in the tubes t 1 , t 2 , t 3 , t 4 .
  • the fluid of the circuit B enters the circuit via the inlet Eb and leaves via the outlet Sb after having circulated in the tubes t 5 , t 6 , and t 7 . If the average temperature of the first fluid in the circuit A is higher than the average temperature of the second fluid of the circuit B, then the tubes t 1 to t 4 are hotter than the tubes t 5 to t 7 . In this case, the tubes t 1 to t 5 tend to expand more than the tubes t 5 to t 7 .
  • the exchanger mainly comprises
  • the mechanical connection S consists of a tube t 4 made of light alloy.
  • this type of tube is similar to the tubes used for the circulation of fluid.
  • the tube t 4 used as an additional structure no fluid circulates.
  • one or two stopper(s) 3 close(s) off one or both end(s) of the tube t 4 .
  • the tube t 4 is not supplied with a fluid, it is at an intermediate temperature which somewhat reduces the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of two tubes t 3 and t 4 made of light alloy. These two tubes are closed off at one or both of their ends and therefore, as in the preceding example, are not traversed by the fluids.
  • the tubes t 3 and t 4 are not supplied with a fluid, they are at an intermediate temperature which somewhat reduces the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of two tubes t 4 and t 5 made of light alloy. These two tubes are closed off at one or both of their ends and therefore, as in the preceding example, are not traversed by the fluids.
  • the tubes t 4 and t 5 are not supplied with a fluid, they are at an intermediate temperature which somewhat reduces the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of four tubes t 3 , t 4 , t 5 and t 6 made of light alloy. These four tubes are closed off at one or both of their ends and therefore, as in the preceding example, are not traversed by the fluids.
  • the tubes t 4 , t 5 , t 6 , and t 7 are not supplied with a fluid, they are at an intermediate temperature which somewhat reduces the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of a tube t 4 made of light alloy. This tube is partially closed off and is traversed by the fluid but with a weaker flow rate. The influence of such a tube on the structural stresses is therefore less than if it was a tube that was completely closed off but all the same makes it possible to somewhat reduce the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of two tubes t 3 and t 4 made of light alloy. These tubes are partially closed off and are traversed by the fluid but with a weaker flow rate. The influence of such tubes on the structural stresses is therefore weaker than if they were tubes that were completely closed off, but all the same makes it possible to somewhat reduce the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of three tubes t 3 , t 4 and t 5 made of light alloy. These tubes are partially closed off and are traversed by the fluid but with a weaker flow rate. The influence of such tubes on the structural stresses is therefore weaker than if they were tubes that were completely closed off but makes it possible all the same to somewhat reduce the stresses due to the temperature differences that exist between the two circuits.
  • the mechanical connection S consists of a metal plate P, in this instance made of light alloy, which passes completely through the exchanger 1 .
  • This plate P is braised to the periphery of each collector ring in order to ensure the seal between the two circuits, and therefore forms a rigid link between the two collector rings.
  • this plate P is at an intermediate temperature which reduces the stresses due to the temperature differences that exist between the two circuits.
  • This plate may advantageously be replaced by a hollow plate ( FIG. 10 ).

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)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
US12/525,934 2007-02-06 2007-12-11 Multi-Circuit Heat Exchanger Abandoned US20110030935A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FRFR0700815 2007-02-06
FR0700815A FR2912209B1 (fr) 2007-02-06 2007-02-06 Echangeur multi circuits
PCT/EP2007/063740 WO2008107031A1 (fr) 2007-02-06 2007-12-11 Echangeur multi circuits

Publications (1)

Publication Number Publication Date
US20110030935A1 true US20110030935A1 (en) 2011-02-10

Family

ID=38520613

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/525,934 Abandoned US20110030935A1 (en) 2007-02-06 2007-12-11 Multi-Circuit Heat Exchanger

Country Status (6)

Country Link
US (1) US20110030935A1 (fr)
EP (1) EP2115374A1 (fr)
JP (1) JP2010518344A (fr)
CN (1) CN101600930A (fr)
FR (1) FR2912209B1 (fr)
WO (1) WO2008107031A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140008044A1 (en) * 2012-07-06 2014-01-09 Samsung Electronics Co., Ltd. Heat exchanger and method of manufacturing the same
EP2952832A1 (fr) * 2014-06-06 2015-12-09 Vaillant GmbH Système de pompe à chaleur avec économiseur intégré
US20160370119A1 (en) * 2015-06-17 2016-12-22 Mahle International Gmbh Heat exchanger assembly having a refrigerant distribution control using selective tube port closures
US20170328637A1 (en) * 2016-05-13 2017-11-16 Denso Thermal Systems S.P.A. Heat exchanger with dummy tubes
US20180112925A1 (en) * 2015-04-24 2018-04-26 Hexsol Italy Srl Tube-nest heat exchanger with improved structure
US10627165B2 (en) * 2016-09-13 2020-04-21 Samsung Electronics Co., Ltd. Heat exchanger
US11118840B2 (en) * 2016-10-10 2021-09-14 Magen Eco Energy A.C.S. Ltd Heat exchanger and module thereof

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008038498A1 (de) * 2008-08-20 2010-02-25 Behr Gmbh & Co. Kg Wärmetauscher für ein Kraftfahrzeug
FR2947330B1 (fr) * 2009-06-25 2014-01-03 Valeo Systemes Thermiques Echangeur de chaleur comprenant un faisceau de tubes avec un tube inactif
FR2947331B1 (fr) * 2009-06-29 2011-07-29 Valeo Systemes Thermiques Echangeur de chaleur comprenant un faisceau de tubes avec au moins un tube inactif
WO2011142673A2 (fr) * 2010-05-14 2011-11-17 Van Weleveld Beheer B.V. Élément de raccordement pour raccorder des âmes de panneaux à âme creuse
NL1038239C2 (nl) * 2010-09-14 2012-03-15 Weleveld Beheer B V Van Verbindingselement voor het verbinden van kanalen van kanaalplaten.
NL1037959C2 (nl) * 2010-05-14 2011-11-15 Weleveld Beheer B V Van Verbindingselement voor het verbinden van kanalen van kanaalplaten.
JP5278372B2 (ja) * 2010-05-17 2013-09-04 トヨタ自動車株式会社 車両の冷却装置
CA2839884C (fr) * 2013-02-19 2020-10-27 Scambia Holdings Cyprus Limited Echangeur thermique a plaques comprenant des elements de separation
BR102013014855B1 (pt) * 2013-06-13 2020-12-01 Valeo Sistemas Automotivos Ltda trocador de calor para veículo
JP6414504B2 (ja) * 2015-04-14 2018-10-31 株式会社デンソー 熱交換器
FR3044396B1 (fr) * 2015-11-30 2019-12-20 Valeo Systemes Thermiques Echangeur de chaleur pour vehicule automobile comprenant une boite collectrice
FR3049051B1 (fr) * 2016-03-18 2019-04-19 Valeo Systemes Thermiques Echangeur de chaleur et procede de fabrication associe
FR3054654B1 (fr) * 2016-07-29 2019-07-12 Valeo Systemes Thermiques Plaque collectrice pour echangeur de chaleur
JP2018084159A (ja) * 2016-11-22 2018-05-31 株式会社デンソー 冷却装置
JP2018146216A (ja) * 2017-03-09 2018-09-20 株式会社ティラド 複数流路熱交換器
JP6890509B2 (ja) * 2017-09-13 2021-06-18 三菱電機株式会社 空気調和機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875834A (en) * 1997-09-11 1999-03-02 Long Manufacturing Ltd. Baffle insert for heat exchangers
US20050217831A1 (en) * 2002-06-18 2005-10-06 Showa Denko K.K. Unit-type heat exchanger

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JPS54149056A (en) * 1976-11-29 1979-11-21 Sa France Ferodo Production method of heat exchanger
FR2712674B1 (fr) * 1993-11-19 1996-01-19 Valeo Thermique Moteur Sa Echangeur de chaleur et procédé de refroidissement utilisant un fluide caloporteur à différentes températures.
FR2715216B1 (fr) * 1994-01-20 1996-02-16 Valeo Thermique Moteur Sa Tube d'échangeur de chaleur, procédé pour sa conformation et échangeur de chaleur comprenant de tels tubes.
DE19536116B4 (de) * 1995-09-28 2005-08-11 Behr Gmbh & Co. Kg Wärmeübertrager für ein Kraftfahrzeug
JPH11351785A (ja) * 1998-06-04 1999-12-24 Denso Corp 熱交換器およびその製造方法
FR2785376B1 (fr) * 1998-10-29 2001-01-12 Valeo Thermique Moteur Sa Echangeur de chaleur multifonction, notamment pour vehicule automobile
JP2003302190A (ja) * 2002-04-09 2003-10-24 Toyo Radiator Co Ltd コルゲートフィン型熱交換器
JP2004278867A (ja) * 2003-03-13 2004-10-07 Calsonic Kansei Corp 熱交換器のコア部構造
JP4179104B2 (ja) * 2003-08-26 2008-11-12 株式会社デンソー 複式熱交換器
JP2005083725A (ja) * 2003-09-11 2005-03-31 Calsonic Kansei Corp 一体型熱交換器
CN1910420B (zh) * 2003-12-11 2010-05-12 贝尔两合公司 热交换装置系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875834A (en) * 1997-09-11 1999-03-02 Long Manufacturing Ltd. Baffle insert for heat exchangers
US20050217831A1 (en) * 2002-06-18 2005-10-06 Showa Denko K.K. Unit-type heat exchanger

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140008044A1 (en) * 2012-07-06 2014-01-09 Samsung Electronics Co., Ltd. Heat exchanger and method of manufacturing the same
US9863722B2 (en) * 2012-07-06 2018-01-09 Samsung Electronics Co., Ltd. Refrigerator having heat exchanger including baffle blocking header tube
EP2952832A1 (fr) * 2014-06-06 2015-12-09 Vaillant GmbH Système de pompe à chaleur avec économiseur intégré
US20180112925A1 (en) * 2015-04-24 2018-04-26 Hexsol Italy Srl Tube-nest heat exchanger with improved structure
US10684077B2 (en) * 2015-04-24 2020-06-16 Hexsol Italy Srl Tube-nest heat exchanger with improved structure
US20160370119A1 (en) * 2015-06-17 2016-12-22 Mahle International Gmbh Heat exchanger assembly having a refrigerant distribution control using selective tube port closures
US10126065B2 (en) * 2015-06-17 2018-11-13 Mahle International Gmbh Heat exchanger assembly having a refrigerant distribution control using selective tube port closures
US20170328637A1 (en) * 2016-05-13 2017-11-16 Denso Thermal Systems S.P.A. Heat exchanger with dummy tubes
US10627165B2 (en) * 2016-09-13 2020-04-21 Samsung Electronics Co., Ltd. Heat exchanger
US11118840B2 (en) * 2016-10-10 2021-09-14 Magen Eco Energy A.C.S. Ltd Heat exchanger and module thereof

Also Published As

Publication number Publication date
WO2008107031A8 (fr) 2008-11-20
FR2912209A1 (fr) 2008-08-08
WO2008107031A1 (fr) 2008-09-12
CN101600930A (zh) 2009-12-09
FR2912209B1 (fr) 2013-08-23
EP2115374A1 (fr) 2009-11-11
JP2010518344A (ja) 2010-05-27

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Legal Events

Date Code Title Description
AS Assignment

Owner name: VALEO SYSTEMES THERMIQUES, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RIONDET, CHRISTIAN;HAINCOURT, JEAN-MICHEL;LESUEUR, JEAN-MARC;SIGNING DATES FROM 20090826 TO 20090901;REEL/FRAME:025187/0490

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION