EP0578566A1 - Echangeur de chaleur à plusieurs rangées de tubes, notamment pour véhicules automobiles - Google Patents

Echangeur de chaleur à plusieurs rangées de tubes, notamment pour véhicules automobiles Download PDF

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Publication number
EP0578566A1
EP0578566A1 EP93401757A EP93401757A EP0578566A1 EP 0578566 A1 EP0578566 A1 EP 0578566A1 EP 93401757 A EP93401757 A EP 93401757A EP 93401757 A EP93401757 A EP 93401757A EP 0578566 A1 EP0578566 A1 EP 0578566A1
Authority
EP
European Patent Office
Prior art keywords
flange
tubes
heat exchanger
hole
exchanger according
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Withdrawn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
EP93401757A
Other languages
German (de)
English (en)
French (fr)
Inventor
Michel Potier
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 Thermique Moteur SA
Original Assignee
Valeo Thermique Moteur SA
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 Thermique Moteur SA filed Critical Valeo Thermique Moteur SA
Publication of EP0578566A1 publication Critical patent/EP0578566A1/fr
Withdrawn legal-status Critical Current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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/14—Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means

Definitions

  • the invention relates to a heat exchanger of the type comprising a bundle of parallel tubes arranged in rows and having respective ends received in a collecting plate provided with holes.
  • Such heat exchangers are used in particular in motor vehicles with an internal combustion engine to constitute either an engine cooling radiator or a cabin heating radiator.
  • the tubes of the bundle are traversed by a fluid, generally water added with an antifreeze, used for cooling the engine, while a flow of air scans the beam tubes.
  • a heat exchanger of the type comprising a bundle of parallel tubes arranged in rows, a collecting plate provided with holes each receiving the respective ends of several adjacent tubes belonging to different rows of the bundle, as well as a compressible seal provided with flanges, each of which is placed in a hole and has annular parts respectively surrounding the ends of the tubes received in the hole.
  • the spacing or not of the tubes, from one row to another can be brought to a minimum value.
  • the shape of the holes does not make it possible to obtain, after assembly, a uniform compression ratio of the seal over the entire periphery of the tubes introduced into the same hole.
  • This compression is weaker in the region of the joint between two ends of adjacent tubes because this region of the joint is thicker than the others.
  • the invention provides a heat exchanger of the aforementioned type, in which the annular parts of each flange of the joint join in pairs in a region of intersection which includes extra thicknesses of material capable of being compressed between the edge of the hole and the tube ends it receives.
  • the region of intersection of the flange may include extra thicknesses of material arranged inside the flange and suitable for being compressed by the ends of tubes received in the annular parts of the flange.
  • the region of intersection of the collar comprises a pair of thickeners of material disposed inside each of the annular parts of the collar.
  • the extra thicknesses of each pair are advantageously arranged symmetrically on either side of this large axis .
  • the region of intersection of the flange may include extra thicknesses of material placed outside the flange and suitable for being compressed by the edge of the hole.
  • this region of intersection advantageously comprises two opposite extra thicknesses capable of being compressed between two opposite regions of the hole, which form a constriction.
  • the heat exchanger may include both extra thicknesses of material arranged inside the flange and extra thicknesses of material disposed outside of the flange.
  • FIGS. 1 and 2 represent a collecting plate 10, also called a "hole plate", having a core 12 of generally rectangular shape.
  • the core 12 is preferably formed from a metallic material and is limited by two parallel edges 14 corresponding to the two long sides of the rectangle and two other parallel edges (not shown in the drawings) corresponding to the short sides of the rectangle.
  • each of the edges 14 firstly comprises a part 16 connected at right angles to the core 12, a part 18 connected at right angles to the part 16 and finally a part 20 connected at right angles to the part 18.
  • the parts 16 and 18 of each edge 14 thus define a groove 22 extending over the entire periphery of the plate 10 and the function of which will be explained below.
  • Each of the parts 20 is crenellated on its free edge to define a series of tabs 24 capable of being folded down to ensure the assembly of the collector plate with a wall of water box (not shown).
  • each of the holes 26 has, in the direction of its length, an axis of symmetry XX 'which extends perpendicular to the edges 14 of the collector plate 10.
  • Each of the holes 26 is formed by the union of two identical oval sections 28 which intersect at a constriction 30.
  • the two sections 28 are generally elliptical, their respective major axes being aligned in the direction of the axis XX '.
  • the respective centers of the two elliptical sections 28 define between them a center distance or not P.
  • the distance between two adjacent holes 26 defines a center distance E whose direction is perpendicular to that of the step P.
  • Each of the holes 26 is surrounded by a collar 32 whose contour corresponds to that of the two sections 28, including their throttle 30.
  • Each of the collars 30 is projecting relative to the core 12 on the side opposite the legs 24.
  • each hole 26 is intended to receive the respective ends of two tubes belonging to two adjacent rows of a bundle formed by two rows of tubes. Within the same row, the tubes are separated two by two by a center distance E ( Figure 1).
  • the seal 34 made of a compressible elastomeric material, comprises a core 36 of generally rectangular shape corresponding to that of the 'core 12 of the header plate 10.
  • the core 36 is limited by two longitudinal beads 38 corresponding to the two long sides of the rectangle and two lateral beads (not shown) corresponding to the two short sides of the rectangle.
  • the beads 38 are attached to the core 36 by a veil of material 40. This gives a bead extending over the entire periphery of the seal and suitable for being introduced into the groove of the collector plate.
  • the core 36 is provided with compressible collars 42 each of which has a shape adapted to that of a hole 26 so that it can be introduced into the latter when the core 36 of the seal 34 is applied against the core 12 of the collector plate.
  • Each collar 42 thus has the general shape of an 8 formed by two oval annular parts 44 joined together by a region of intersection 46 forming a material bridge between the two annular parts.
  • the core 36 forms, inside each compressible collar 42, two orifices suitable for each receiving one end of a tube of the bundle.
  • the heat exchanger also comprises a bundle 52 formed of two rows of tubes 54 of non-circular section which pass through a multiplicity of parallel fins 56.
  • the tubes 54 are separated in pairs by a center distance E within the same row and by a step P from one row to another.
  • the tubes 54 have respective ends 58 of non-circular shape spaced from one another with the same center distance and the same pitch as the tubes.
  • the intersection region 46 of the collar 42 firstly comprises a pair of thickeners of material 60 disposed inside each of the two annular parts 44 of the collar 42 (FIG. 5).
  • the annular parts 44 are provided to adapt each around an end 58 having, as already indicated, a generally oval or elliptical section with a major axis XX '.
  • the extra thicknesses 60 of each pair are arranged symmetrically with respect to this major axis XX 'on the side of the end of the oval or elliptical section which is connected to the region of intersection 46.
  • the extra thicknesses 60 are delimited by a straight edge which constitutes a cord encroaching on the oval or elliptical section intended to be then occupied by one end of the tube 58.
  • the region of intersection 46 also comprises two extra thicknesses of material 62 arranged outside the flange and suitable for being compressed by the edge of the hole 30.
  • the extra thicknesses 62 consequently limit the region d 'intersection 46 in a direction perpendicular to that of the major axis XX'.
  • the extra thicknesses 62 each connect the outside of the two annular parts 44.
  • the extra thicknesses 62 have, before compression of the joint, a curved shape as shown in solid lines in FIG. 5.
  • the two extra thicknesses 62 are compressed respectively between two opposite regions of the throat 30 of the hole 26 (FIG. 1).
  • the two extra thicknesses 62 then conform to the shape of the two opposite regions of the constriction 30 as shown in broken lines in FIG. 5.
  • the two extra thicknesses 62 approach each other which also compresses the attached.
  • intersection region 46 is compressed not only in the direction of the axis XX ', but also in a direction perpendicular to this axis.
  • the compression ratio between the flange and the end of the tube is substantially constant not only in the annular parts 44, but also in the region of intersection 46.
  • the invention can also be applied to heat exchangers whose end sections of the tubes have different shapes.
  • each of the flanges of the joint then comprises more than two annular parts and at least two regions of intersection.

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)
EP93401757A 1992-07-08 1993-07-06 Echangeur de chaleur à plusieurs rangées de tubes, notamment pour véhicules automobiles Withdrawn EP0578566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR929208481A FR2693545B1 (fr) 1992-07-08 1992-07-08 Echangeur de chaleur à plusieurs rangées de tubes, notamment pour véhicules automobiles.
FR9208481 1992-07-08

Publications (1)

Publication Number Publication Date
EP0578566A1 true EP0578566A1 (fr) 1994-01-12

Family

ID=9431708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401757A Withdrawn EP0578566A1 (fr) 1992-07-08 1993-07-06 Echangeur de chaleur à plusieurs rangées de tubes, notamment pour véhicules automobiles

Country Status (7)

Country Link
US (1) US5299636A (es)
EP (1) EP0578566A1 (es)
JP (1) JPH06174392A (es)
KR (1) KR940002595A (es)
BR (1) BR9302777A (es)
FR (1) FR2693545B1 (es)
MX (1) MX9304099A (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746493B1 (fr) * 1996-03-22 1998-05-15 Valeo Thermique Moteur Sa Collecteur pour echangeur de chaleur, notamment de vehicule automobile
FR2794852B1 (fr) * 1999-06-08 2001-08-31 Valeo Thermique Moteur Sa Echangeur de chaleur comprenant une rangee de tubes traversant des trous d'une plaque collectrice
EP1195570B1 (en) 2000-10-06 2003-08-20 Visteon Global Technologies, Inc. Method of making a tube for a heat exchanger
JP4109444B2 (ja) * 2001-11-09 2008-07-02 Ｇａｃ株式会社 熱交換器およびその製造方法
DE10322211A1 (de) * 2003-05-16 2004-12-02 Modine Manufacturing Co., Racine Wärmetauscherblock
US7461689B2 (en) * 2004-06-01 2008-12-09 Modine Manufacturing Company Thermal cycling resistant tube to header joint for heat exchangers
DE112008002905T5 (de) * 2007-11-01 2010-12-30 Modine Manufacturing Co., Racine Wärmetauscher
US9328966B2 (en) * 2007-11-01 2016-05-03 Modine Manufacturing Company Heat exchanger with a baffle reinforcement member
DE102009049483A1 (de) * 2009-10-15 2011-04-21 Modine Manufacturing Co., Racine Wärmetauscher und Dichtungsanordnung dafür
AU2011201083B2 (en) * 2010-03-18 2013-12-05 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
CN102959353B (zh) * 2010-08-03 2015-01-21 江森自控科技公司 带有可变形隔壁的多通道管
DE102011076172A1 (de) * 2011-05-20 2012-11-22 J. Eberspächer GmbH & Co. KG Lamellenwärmeübertrager
DE102014206612A1 (de) * 2014-04-04 2015-10-29 Mahle International Gmbh Wärmetauscher
FR3037643B1 (fr) * 2015-06-22 2019-07-12 Valeo Systemes Thermiques Echangeur de chaleur et procede de fabrication associe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546824A (en) * 1984-03-19 1985-10-15 Mccord Heat Transfer Corporation Heat exchanger
DE8708104U1 (de) * 1987-06-06 1987-07-23 Erhardt Bischoff GmbH & Co KG Fabrik für Kraftfahrzeugteile, 7067 Plüderhausen Durchführungselement zur Durchführung eines Rohres durch ein Gehäuse
EP0429401A2 (en) * 1989-10-20 1991-05-29 BORLETTI CLIMATIZZAZIONE S.r.l. A heat exchanger for motor-vehicle air-conditioning systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475709B1 (fr) * 1980-02-08 1985-12-06 Chausson Usines Sa Tube pour echangeur de chaleur et echangeur a plaque collectrice et a assemblage mecanique comportant ce tube
FR2674322B1 (fr) * 1991-03-20 1998-02-13 Valeo Thermique Moteur Sa Echangeur de chaleur a faisceau de tubes, en particulier pour vehicule automobile.
FR2674321B1 (fr) * 1991-03-20 1993-06-04 Valeo Thermique Moteur Sa Echangeur de chaleur a plusieurs rangees de tubes, en particulier pour vehicule automobile.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546824A (en) * 1984-03-19 1985-10-15 Mccord Heat Transfer Corporation Heat exchanger
DE8708104U1 (de) * 1987-06-06 1987-07-23 Erhardt Bischoff GmbH & Co KG Fabrik für Kraftfahrzeugteile, 7067 Plüderhausen Durchführungselement zur Durchführung eines Rohres durch ein Gehäuse
EP0429401A2 (en) * 1989-10-20 1991-05-29 BORLETTI CLIMATIZZAZIONE S.r.l. A heat exchanger for motor-vehicle air-conditioning systems

Also Published As

Publication number Publication date
US5299636A (en) 1994-04-05
FR2693545B1 (fr) 1994-09-30
BR9302777A (pt) 1994-02-08
JPH06174392A (ja) 1994-06-24
MX9304099A (es) 1994-02-28
KR940002595A (ko) 1994-02-17
FR2693545A1 (fr) 1994-01-14

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