EP1089049A2 - Wärmetauscher - Google Patents

Wärmetauscher Download PDF

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Publication number
EP1089049A2
EP1089049A2 EP00402626A EP00402626A EP1089049A2 EP 1089049 A2 EP1089049 A2 EP 1089049A2 EP 00402626 A EP00402626 A EP 00402626A EP 00402626 A EP00402626 A EP 00402626A EP 1089049 A2 EP1089049 A2 EP 1089049A2
Authority
EP
European Patent Office
Prior art keywords
core
side plate
side wall
heat exchanger
wing
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
EP00402626A
Other languages
English (en)
French (fr)
Other versions
EP1089049A3 (de
EP1089049B1 (de
Inventor
La Voyce Dey
James Koo
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 Inc
Original Assignee
Valeo Inc
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 Inc filed Critical Valeo Inc
Publication of EP1089049A2 publication Critical patent/EP1089049A2/de
Publication of EP1089049A3 publication Critical patent/EP1089049A3/de
Application granted granted Critical
Publication of EP1089049B1 publication Critical patent/EP1089049B1/de
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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core

Definitions

  • Such heat exchangers can be used as radiators or as condensers, but also in a number of other applications, especially like charge air coolers.
  • the side plates are particularly important during construction and handling of the exchanger heat. These side plates can be used for bring together the fins and tubes to form a core heat exchanger before fixing to distributors collector and tank. As it is better to provide the outer tubes of a fin on their outer edge to ensure good heat transmission, the plates can be attached to each of the two fins outside.
  • the assembly obtained is brazed in an oven.
  • the brazing coating applied to the bottom components so that upon cooling, the components are attached to each other.
  • the side plates known in the prior art can be of various shapes, for example an elongated flat plate or a curved plate on each side of the fixing surface. They may also have reinforcing ribs. Of suitable materials are aluminum or aluminum alloys.
  • a first problem that can appear is the "fall of fins" which takes place between the fins and the side plate during the melting period in the oven.
  • the fin begins by moving from a centered position symmetrically to the center of the side plate at an eccentric position.
  • the edge of the fin which faces the nucleus is lower than the normal face of the nucleus on one side and above this normal face on the opposite side.
  • the fall of fins takes place when the force of gravity is greater than the residual friction force in the end zone of the fin in contact with the tubes and the side plate.
  • Radiator fins that have been rolled up on the end radius of the tube, but this is not always effective.
  • Other fins use an element baking frame that extends very close to the surface fin, but it can cause discoloration nucleus surface or craterization if an accumulation of coating is present.
  • a third problem is that the materials of a chassis baking, often comprising strips or wires, cause discoloration when very close to coated surfaces.
  • the chassis material if it is in contact with the side plates, it tends to collect the coating material near the point of contact. This state is called “craterization”, and this results in marks on the surface of the side plates. These phenomena reduce the aesthetic qualities of the heat exchanger.
  • An object of the present invention is therefore at least partially mitigate the difficulties of art prior.
  • a side plate for a heat exchanger comprising a generally planar elongated core part, two interior side wall parts and two parts of external side wall, in which said core part joins said interior side wall portions, each said inner side wall portion joins a respective end to a said side wall part respective exterior, said side wall portions interior and exterior extend outside the plane of said core part, and at least one of said wall parts lateral lateral extends beyond said core part.
  • each said side wall part interior extends substantially perpendicular to said flat soul part and has an outer face, and each said part of the outer side wall is located along the outer face of an inner side wall portion respective.
  • said outer face of said part of inner side wall adjoins an outer face of said core part, said side plate having in in addition to a brazing coating material applied to said outer face of said core part.
  • said brazing coating material is applied only on said outer face of said soul part.
  • a heat exchanger comprising a collector, a tank, a series of tubes arranged to connect the collector to the tank, a series of fins intended to space the tubes, these fins extending along the length of the tubes, wherein said tubes include at least one tube outer, said outer tube having an outer edge and a first fin on this outer edge, a plate lateral extending between said manifold and said tank and having a soul portion engaged with said first fin, this side plate having a brazing coating on a face of said core part, in which the core part has a certain thickness and the side plate has a wing of the double of said thickness, said wing extending beyond said core part to form a fin support part.
  • a heat exchanger comprising a first distributor having a certain length and a certain transverse width and a second distributor, a heat exchanger core heat having a thickness less than said width, said core comprising a series of tubes and a series fins, wherein said tubes comprise at least one outer tube having an outer edge, said outer tube having a first fin on its outer edge, a plate side placed between said distributors and having a soul part having a face engaged with said first fin, a brazing coating being applied to said fin face, and wherein said side plate has a first part having a first width substantially equal to said thickness of the core and a second part having a second width greater than said first width, in which the soul part has a first thickness and the second part of the side plate has a wing double that said first thickness, said wing extending beyond said part core to form a fin support part.
  • Figure 1 is a perspective representation of a part of a heat exchanger with side plates according to a preferred embodiment of the present invention.
  • Figure 2 is a section along line II-II 'of the figure 1 which shows the side plate seen when looking from above the collector.
  • Figure 3 is a perspective representation of a heat exchanger with side plates having a wing part offset according to a second embodiment preferred of the present invention.
  • Figure 4 is a section along line IV-IV 'of the figure 3 which shows the side plate with an offset wing and a positioning tab, seen when looking from up the collector.
  • Figure 5 is a section similar to Figure 4 which shows another side plate with an offset wing and multiple positioning tabs, seen when looking from above the collector.
  • Figure 6 is a partial section of a heat exchanger heat with a side plate of the prior art.
  • Figure 6 is a partial cross section of a heat exchanger of the prior art.
  • This includes a generally C-shaped side plate 1 which is formed from a single sheet of material which is folded on each side in a single thickness.
  • This side plate thus has two opposite side walls spaced apart by a wall right base. It may also include a rib of reinforcement 3 formed by folding the material towards the outside of the heat exchanger.
  • a heat exchanger core 2 for a vehicle is shown attached to a distributor upper 4 and a lower distributor 6.
  • This core is consisting of multiple tubes 8 spaced by fins 12 and opposite side plates 18.
  • the two distributors are placed parallel to each other, the tubes 8 connecting them and being perpendicular to them.
  • the tubes have a section narrow rectangular (with rounded corners), so that they have two flat sides 10.
  • a series of sinuous fins 12, 16 are placed between the flat sides 10 of the neighboring tubes the along substantially the entire length of the tubes.
  • a coolant flows through the tubes 8 from a partially formed manifold by the upper distributor 4 to a reservoir formed in part by the lower distributor 6.
  • the fins 12, 16 are in contact with the tubes to provide greater cooling fluid heat removal surface. In addition, they provide structural support to the tubes. 8, which is important because the coolant can to be under pressure.
  • the invention is also applicable to heat exchangers used as air coolers supercharging, where pressurized air for example of a turbocharger is cooled by passing through the exchanger heat.
  • each side plate includes a generally planar elongated core portion as base wall 20, at opposite side ends of which join inner side wall portions 30, 31 which extend substantially perpendicular to the plane of the base wall 20.
  • the two wall parts lateral interior 30, 31 extend substantially from the same quantity from the plane of the base wall 20 before to come back on themselves to form wall parts respective external lateral 32, 33.
  • the wall parts lateral interior 30, 31 have exterior surfaces, and the outer side wall portions are located on along the outer surface of the side wall portion respective interior.
  • the side plate has a simple base wall thickness with wing portions 24, 22 of double thickness extending on either side of it.
  • the base wall has a outer face 23 which is in contact with the fin 16, and an inner face 21.
  • one of the 32 exterior side wall parts only goes up to level of the inner face 21 of the base wall 20, while the other outer side wall portion 33 extends beyond the outer face 23 of the base wall 20 to form a fin support portion 26 which extends along the side of the fin 16.
  • Each side plate 18 is made of a single piece of material, preferably aluminum or aluminum alloy, provided on one side with brazing coating. This side corresponds to the outer face 23 of the base wall 20, the outer face of the inner wall parts, the face interior of the exterior wall portions and the portion of fin support, in other words the faces which are in contact with other sides of the side plate or with the fin 16. The sides of the side plate which are exposed to view are left uncoated.
  • the side plate has several advantages. First place, as the wings are double thick, they give to the side plate better rigidity than would a single thickness wing. That means we can take a smaller material for the side plate thickness and get the same rigidity and the same support than with a thicker side plate with wings only one thickness. The reduced thickness leads to material expenditure reductions.
  • the coating may also be possible to reduce the amount of brazing coating.
  • the coating when the coating is applied by a hot rolled process, it is accepted that its minimum thickness is 3% to 5% of the thickness of the material to which it is applied; therefore, the reduction in the thickness of the material allows a reduction the thickness of the coating.
  • the minimum thickness of the coating is not itself determined by the weight of the material but by the need to maintain a coating sufficient during the core soldering operation. In all case, reducing the coating thickness may reduce the dissolution of the fin.
  • a second heat exchanger has a core thickness less than the width of the distributors.
  • This heat exchanger has a distributor plate upper 104 and a lower distributor plate 106 which are connected by a series of tubes 108. These tubes have a narrow rectangular section (with rounded corners), so that they have two flat sides 110. A series of fins sinuous 112 are placed between the flat sides 110 of the neighboring tubes along substantially the entire length of the tubes.
  • the plate side has a base wall 120 and two wings 124, 128.
  • Each plate lateral 118 has a first rear wing 124 which extends in straight line between the rear of the upper distributor 104 and the rear of the lower distributor 106.
  • the front wing 128 has a first region 122 which generally extends parallel to the rear wing 124 over about four-fifths of the length of side plate, spacing between wings and the width of the base wall here being the width of the core.
  • the base wall of the side plate widens outward to a width corresponding substantially to that of the dispenser upper 104 and extends to this distributor over a constant width region.
  • the front wing 128 has a outwardly inclined region 130 which extends to a upper region 132 parallel to the rear wing 124, but spaced therefrom substantially the width of the dispenser superior.
  • the rear wing 124 has a double thickness of similar to the wings 24 of the first embodiment.
  • the first region 122 of the front wing has a part folded back which extends to form part of fin support, as shown in relation to figure 2.
  • the upper region 132 of the front wing consists of a single thickness of the material of the plate, and in this region, the base wall 120 extends forward, as shown, fins 116.
  • Each elongated zone has a part cut curved back to form a support leg of fin 134.
  • the legs 134 support the fins 116 towards one end and the wing support portion of wing 128 supports these towards the other end.
  • the inclined region 130 is also of simple thickness, bent at the required angle.
  • FIG. 4 The layout of the second embodiment is visible under partial section shape in Figure 4. This shows clearly the position of the lug 134 which supports the fins.
  • Figures 3 and 4 is brazed with the core away from everything brazing frame. This realization allows to use large tanks, widening side plate providing additional structural support for these reservoirs, in which case an extension is envisaged to both extremities. Instead, only one tank can be significantly wider than the nucleus.
  • a third embodiment of the invention is visible as a partial section in Figure 5.
  • This embodiment is similar to the second achievement but there it is provided an additional bracket 136.
  • This bracket is fixed to the face 120 of the side plate 118 and is located in a hollow of the fin 116.
  • This construction has the advantage by compared to the prior art, in addition to providing support structural for the core, to also provide support for to prevent it from falling.

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)
  • Separation By Low-Temperature Treatments (AREA)
EP00402626A 1999-09-29 2000-09-21 Wärmetauscher Expired - Lifetime EP1089049B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/408,342 US6179050B1 (en) 1999-09-29 1999-09-29 Heat exchangers
US408342 1999-09-29

Publications (3)

Publication Number Publication Date
EP1089049A2 true EP1089049A2 (de) 2001-04-04
EP1089049A3 EP1089049A3 (de) 2002-02-06
EP1089049B1 EP1089049B1 (de) 2005-11-30

Family

ID=23615881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00402626A Expired - Lifetime EP1089049B1 (de) 1999-09-29 2000-09-21 Wärmetauscher

Country Status (7)

Country Link
US (1) US6179050B1 (de)
EP (1) EP1089049B1 (de)
JP (1) JP2001141387A (de)
AT (1) ATE311582T1 (de)
BR (1) BR0004523A (de)
DE (1) DE60024387D1 (de)
PL (1) PL342866A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2805606B1 (fr) * 2000-02-24 2002-07-05 Valeo Thermique Moteur Sa Boite collectrice a tubulure integree pour echangeur de chaleur
US6675883B1 (en) 2002-07-08 2004-01-13 Modine Manufacturing Company Manifold for heat exchanger
DE10359806A1 (de) * 2003-12-19 2005-07-14 Modine Manufacturing Co., Racine Wärmeübertrager mit flachen Rohren und flaches Wärmeübertragerrohr
US7395853B2 (en) 2004-10-01 2008-07-08 Delphi Technologies, Inc. Heat exchanger assembly for a motor vehicle
US20080105415A1 (en) * 2005-02-17 2008-05-08 Martin Harich Chamber For Holding A Fluid For A Heat Exchanger, Heat Exchanger, More Particularly For A Heat Exchange Unit, And A Heat Exchange Unit, In Particular In The Form Of A Monoblock
DE102005010493A1 (de) * 2005-03-08 2006-09-14 Modine Manufacturing Co., Racine Wärmeübertrager mit flachen Rohren und flaches Wärmeübertragerrohr
US7594327B2 (en) * 2005-04-11 2009-09-29 Modine Manufacturing Company Heat exchanger and method of making the same
DE102005053924B4 (de) * 2005-11-11 2016-03-31 Modine Manufacturing Co. Ladeluftkühler in Plattenbauweise
US7874349B2 (en) * 2006-03-16 2011-01-25 Visteon Global Technologies, Inc. Heat exchanger tank
KR101184208B1 (ko) * 2006-04-14 2012-09-19 한라공조주식회사 열교환기
US7673468B2 (en) * 2006-09-26 2010-03-09 Delphi Technologies, Inc. High efficiency evaporatively cooled condenser
US8424592B2 (en) * 2007-01-23 2013-04-23 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
CN101589286B (zh) * 2007-01-23 2011-09-28 摩丁制造公司 热交换器和方法
US20090250201A1 (en) * 2008-04-02 2009-10-08 Grippe Frank M Heat exchanger having a contoured insert and method of assembling the same
AU2011201083B2 (en) * 2010-03-18 2013-12-05 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US9644897B2 (en) * 2010-06-15 2017-05-09 Hanon Systems Heater core with dual plate pipe connector
FR3064054B1 (fr) * 2017-03-17 2021-06-18 Valeo Systemes Thermiques Radiateur a plaque d’extremite en u orientee vers l’exterieur, et systeme de chauffage, ventilation ou climatisation correspondant
FR3064053B1 (fr) * 2017-03-17 2019-03-22 Valeo Systemes Thermiques Radiateur a plaque d’extremite en u orientee vers l’interieur, et systeme de chauffage, ventilation ou climatisation correspondant
DE102018221487A1 (de) * 2018-12-12 2020-06-18 Mahle International Gmbh Wärmeübertrager für ein Kraftfahrzeug und zugehöriges Herstellungsverfahren

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120769A (en) * 1982-05-25 1983-12-07 Sueddeutsche Kuehler Behr Heat exchanger in particular a radiator for motor vehicles
FR2614688A1 (fr) * 1987-04-30 1988-11-04 Chausson Usines Sa Echangeur de chaleur du type a tubes et ailettes munies de joues laterales
JPH02150697A (ja) * 1988-11-29 1990-06-08 Nippondenso Co Ltd 熱交換器
DE4106296A1 (de) * 1991-02-28 1992-09-03 Behr Gmbh & Co Waermetauscher, insbesondere wasser/luft-kuehler fuer brennkraftmaschinen
US5667004A (en) * 1996-04-29 1997-09-16 General Motors Corporation Molded plastic heat exchanger mounting channel
DE19737273A1 (de) * 1997-08-27 1999-03-04 Behr Gmbh & Co Wärmetauscher
DE19824659A1 (de) * 1998-06-03 1999-12-09 Behr Gmbh & Co Wärmeübertrager, insbesondere Kühler für Kraftfahrzeuge

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US1743785A (en) * 1928-10-11 1930-01-14 Winchester Repeating Arms Co Heat exchanger
DE2418132C2 (de) * 1974-04-13 1982-12-23 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Wärmetauscher, insbesondere Kühler für Kraftfahrzeuge
GB2064751B (en) * 1979-12-10 1983-10-19 Imi Marston Radiator Services Radiator core and method of assembly
FR2503346B2 (fr) * 1980-11-24 1986-02-21 Chausson Usines Sa Echangeur de chaleur assemble mecaniquement du type a tubes et ailettes
GB2098313A (en) * 1981-05-09 1982-11-17 Imi Radiators Heat exchanger for automobiles
US4433227A (en) * 1982-09-20 1984-02-21 General Motors Corporation Method of inductively heating workpieces to a uniform temperature
US4745966A (en) * 1986-07-22 1988-05-24 Westinghouse Electric Corp. Heat exchangers and electrical apparatus having heat exchangers
JPH0228360U (de) * 1988-08-09 1990-02-23
FR2749649B1 (fr) * 1996-06-05 1998-09-04 Valeo Thermique Moteur Sa Radiateur de vehicule brase muni d'un support d'accessoire

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120769A (en) * 1982-05-25 1983-12-07 Sueddeutsche Kuehler Behr Heat exchanger in particular a radiator for motor vehicles
FR2614688A1 (fr) * 1987-04-30 1988-11-04 Chausson Usines Sa Echangeur de chaleur du type a tubes et ailettes munies de joues laterales
JPH02150697A (ja) * 1988-11-29 1990-06-08 Nippondenso Co Ltd 熱交換器
DE4106296A1 (de) * 1991-02-28 1992-09-03 Behr Gmbh & Co Waermetauscher, insbesondere wasser/luft-kuehler fuer brennkraftmaschinen
US5667004A (en) * 1996-04-29 1997-09-16 General Motors Corporation Molded plastic heat exchanger mounting channel
DE19737273A1 (de) * 1997-08-27 1999-03-04 Behr Gmbh & Co Wärmetauscher
DE19824659A1 (de) * 1998-06-03 1999-12-09 Behr Gmbh & Co Wärmeübertrager, insbesondere Kühler für Kraftfahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 395 (M-1016), 27 août 1990 (1990-08-27) & JP 02 150697 A (NIPPON DENSO CO LTD), 8 juin 1990 (1990-06-08) *

Also Published As

Publication number Publication date
DE60024387D1 (de) 2006-01-05
PL342866A1 (en) 2001-04-09
ATE311582T1 (de) 2005-12-15
US6179050B1 (en) 2001-01-30
EP1089049A3 (de) 2002-02-06
BR0004523A (pt) 2001-10-16
JP2001141387A (ja) 2001-05-25
EP1089049B1 (de) 2005-11-30

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