EP2017563B1 - Plaque de collecteur et son procédé de fabrication - Google Patents

Plaque de collecteur et son procédé de fabrication Download PDF

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Publication number
EP2017563B1
EP2017563B1 EP07112627A EP07112627A EP2017563B1 EP 2017563 B1 EP2017563 B1 EP 2017563B1 EP 07112627 A EP07112627 A EP 07112627A EP 07112627 A EP07112627 A EP 07112627A EP 2017563 B1 EP2017563 B1 EP 2017563B1
Authority
EP
European Patent Office
Prior art keywords
flaps
header plate
pair
header
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.)
Not-in-force
Application number
EP07112627A
Other languages
German (de)
English (en)
Other versions
EP2017563A1 (fr
Inventor
Marek Filipiak
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38922766&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2017563(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP07112627A priority Critical patent/EP2017563B1/fr
Priority to AT07112627T priority patent/ATE443840T1/de
Priority to DE602007002562T priority patent/DE602007002562D1/de
Publication of EP2017563A1 publication Critical patent/EP2017563A1/fr
Application granted granted Critical
Publication of EP2017563B1 publication Critical patent/EP2017563B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • 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
    • 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

Definitions

  • the present invention relates to a header plate for a heat exchanger, particularly, but not exclusively a header plate for use in a heat exchanger of an automobile.
  • a method of manufacturing the header plate is also provided.
  • Heat exchangers with flat sided tubes are widely used in various automotive applications. Typically, these tubes are inserted into pressed out slots S (see Fig. 1 ) on the header plate P of the heat exchanger. The tubes are then brazed or soldered to the header plate to provide a strong fluid tight connection there between.
  • the tubes are often brazed or soldered to the header plate at the same time as the header plate is brazed or soldered to the header tank.
  • the tubes are typically brazed to the header plate first and then the plastic tank is subsequently crimped to the header plate.
  • a significant depth component (indicated by D on Fig. 1 and Fig. 2 ) of the header plate P is needed to form the required connection. Therefore a problem with each of the presently available arrangements is that they occupy more space than is desired.
  • Another problem is that, in the present system, the relatively small contact area between the tubes and header plates can result in weakness of the joint which can lead to premature malfunction of the heat exchanger.
  • a heat exchanger header plate having oval tube receiving slots is described in United States Patent No. 5,390,519 , which discloses the preamble of claims 1 and 6.
  • a header plate for a heat exchanger comprising a base plate having a plurality of tube receiving slots formed therein, wherein at least one tube receiving slot comprises at least a pair of flaps and at least a pair of end walls folded toward said flaps characterised in that the flaps are rectangular flaps cut laterally into the tube receiving slot along the centre of the desired resultant tube receiving slot and which have a pair of short longitudinal cuts at each end of the rectangular flaps and which are folded away from the base plate and wherein the end walls have a lateral dimension large enough to form side walls of the header plate and are folded into contact with the rectangular flaps and wherein the contact between the side walls and the rectangular flaps allows brazing of the side walls to the rectangular flaps.
  • a method of manufacturing a header plate for a heat exchanger comprising providing a base plate, forming at least a pair of flaps in the base plate by making a plurality of cuts in the base plate, folding the flaps away from the base plate, folding at least a pair of end walls toward the flaps to thereby form a plurality of tube receiving slots characterised in that the step of forming the flaps comprises cutting laterally along the centre of the tube receiving slots and cutting short longitudinal cuts at each end of the desired resultant slot to form a pair of rectangular flaps and the method further includes the steps of folding the end walls into contact with the rectangular flaps and brazing the side walls to the rectangular flaps.
  • tube receiving slots refers to those known in the art and those with which the present invention is concerned and may include a mixture of both.
  • flaps could also consist of pair of end walls.
  • header plate 10 comprises a base plate having a number of pairs of flaps 1 cut and folded out there from.
  • the flaps are created by cutting laterally along the centre of the desired resultant slot and raising the pair of flaps 1 away from the header plate material.
  • a pair of short longitudinal cuts are also created at each end of flaps to allow them to be folded out more easily.
  • the header plate 10 will be in the form illustrated by Fig. 3 .
  • the length of the flaps 1 is such that border portions of the base plate defined by dashed lines 2 remain on either side of the flaps 1.
  • the border portions are folded along the dashed lines 2 until metal to metal contact occurs at a point 4 between the ends of the flaps 1 and the newly created end walls 3. This ensures that the subsequent soldering or brazing process provides good metallurgical contact. The result is a strong and leak free joint.
  • the completed header plate 10 is illustrated by Fig. 4 .
  • the flaps 1 provide tube receiving slots having a large area for contacting the flat sides of typical rectangular section heat exchanger tubes. This increased contact area and support significantly strengthens the resulting connection between the tubes and slots once brazing / soldering has been completed.
  • Another advantage is that a packaging reduction is achieved since the header plate of the present invention projects no further than a single sheet thickness from the front of the header tank. Such a packaging reduction is important in the automotive industry.
  • the tank can be completed in a variety of different ways.
  • the end walls 3 of the header plate 10 can be formed to be high enough to allow a capping section 12 to be bent round to seal off the top and ends of the tubes.
  • the side walls 3A can also be made tall enough to provide large depth tanks ( Fig. 6 ) or indeed tall enough to allow them to be folded around and welded together at either end 14 to form the header tank itself ( Fig. 7 ).
  • bracing members (not shown) between the walls and / or strengthening ribs 16 pressed into the surface of the walls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Tubes (AREA)
  • Making Paper Articles (AREA)

Claims (10)

  1. Plaque de collecteur pour un échangeur de chaleur, la plaque de collecteur comprenant une plaque de base ayant une pluralité de fentes de réception de tubes formées en elle-même, dans laquelle au moins une fente de réception de tube comprend au moins une paire de joues (1) et au moins une paire de parois terminales repliées vers lesdites joues (1),
    caractérisée en ce que les joues sont des joues rectangulaires (1) découpées latéralement dans la fente de réception de tube le long du centre de la fente de réception de tube résultante désirée et qui possèdent une paire de découpes longitudinales courtes à chaque extrémité des joues rectangulaires (1) et sont repliées en éloignement de la plaque de base, et dans laquelle les parois terminales ont une dimension latérale suffisamment grande pour former des parois latérales (3) de la plaque de collecteur et sont repliées jusqu'en contact avec les joues rectangulaires (1), et dans laquelle le contact entre les parois latérales (3) et les joues rectangulaires (1) permet le brasage des parois latérales (3) sur les joues rectangulaires (1).
  2. Plaque de collecteur selon la revendication 1, dans laquelle les bordures de la paire de parois terminales (3) sont jointes l'une à l'autre.
  3. Plaque de collecteur selon l'une ou l'autre des revendications 1 ou 2, dans laquelle la paire de parois terminales (3) sont pourvues d'au moins une caractéristique parmi des éléments d'entretoisement et des nervures de renforcement.
  4. Plaque de collecteur selon l'une quelconque des revendications précédentes, dans laquelle la paire de parois terminales (3) sont adaptées pour permettre de former un tronçon de capuchon (12) en cintrant une portion de celles-ci par-dessus les extrémités des tubes d'un échangeur de chaleur
  5. Réservoir-collecteur d'un échangeur de chaleur, comprenant une plaque de collecteur selon la revendication 1.
  6. Procédé de fabrication d'une plaque de collecteur pour un échangeur de chaleur, le procédé comprenant de fournir une plaque de base, de former au moins une paire de joues (1) dans la plaque de base en effectuant une pluralité de découpes dans la plaque de base, en repliant les joues (1) en éloignement de la plaque de base, en repliant au moins une paire de parois terminales (3) vers les joues (1) pour former ainsi une pluralité de fentes de réception de tubes,
    caractérisé en ce que l'étape de formation des joues (1) comprend de couper latéralement le long du centre des fentes de réception de tubes et de couper des courtes découpes longitudinales à chaque extrémité de la fente résultante désirée pour former une paire de joues rectangulaires (1), et le procédé inclut en outre les étapes consistant à replier les parois terminales (3) jusqu'en contact avec les joues rectangulaires (1) et à braser les parois latérales (3) sur les joues rectangulaires (1).
  7. Procédé de fabrication d'une plaque de collecteur selon la revendication 6, dans lequel l'étape consistant à replier la paire de parois terminales (3A) inclut aussi l'étape consistant à les joindre l'une à l'autre.
  8. Procédé de fabrication d'une plaque de collecteur selon l'une ou l'autre des revendications 6 ou 7, comprenant en outre l'étape consistant à replier une portion de la plaque de collecteur autour des tubes d'un échangeur de chaleur pour former un tronçon de capuchon (12).
  9. Procédé de fabrication d'une plaque de collecteur selon l'une quelconque des revendications 6 à 8, comprenant en outre de former au moins une caractéristique parmi des éléments d'entretoisement et des nervures de renforcement dans la paire de parois terminales (3).
  10. Procédé de fabrication d'un réservoir-collecteur pour échangeur de chaleur, comprenant l'étape de fabrication d'une plaque de collecteur selon le procédé de la revendication 6.
EP07112627A 2007-07-17 2007-07-17 Plaque de collecteur et son procédé de fabrication Not-in-force EP2017563B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07112627A EP2017563B1 (fr) 2007-07-17 2007-07-17 Plaque de collecteur et son procédé de fabrication
AT07112627T ATE443840T1 (de) 2007-07-17 2007-07-17 Rohrboden und herstellungsverfahren dafür
DE602007002562T DE602007002562D1 (de) 2007-07-17 2007-07-17 Rohrboden und Herstellungsverfahren dafür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07112627A EP2017563B1 (fr) 2007-07-17 2007-07-17 Plaque de collecteur et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2017563A1 EP2017563A1 (fr) 2009-01-21
EP2017563B1 true EP2017563B1 (fr) 2009-09-23

Family

ID=38922766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07112627A Not-in-force EP2017563B1 (fr) 2007-07-17 2007-07-17 Plaque de collecteur et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP2017563B1 (fr)
AT (1) ATE443840T1 (fr)
DE (1) DE602007002562D1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390519A (en) * 1992-11-27 1995-02-21 Nippondenso Co., Ltd. Method for manufacturing long products by press working

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5794692A (en) * 1993-10-28 1998-08-18 Modine Manufacturing Co. Header and tank construction for a heat exchanger
JP3624486B2 (ja) * 1994-12-20 2005-03-02 株式会社デンソー 熱交換器およびその製法
DE19605108A1 (de) * 1995-09-26 1997-03-27 Lingemann Helmut Gmbh & Co Sammelrohr für Wärmetauscher sowie Verfahren und Vorrichtung zu seiner Herstellung
JP3880098B2 (ja) * 1996-03-27 2007-02-14 昭和電工株式会社 熱交換器及びヘッダーパイプの製造方法
FR2860289B1 (fr) * 2003-09-26 2017-10-20 Valeo Thermique Moteur Sa Echangeur de chaleur de forme cintree et procede pour sa fabrication

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390519A (en) * 1992-11-27 1995-02-21 Nippondenso Co., Ltd. Method for manufacturing long products by press working

Also Published As

Publication number Publication date
ATE443840T1 (de) 2009-10-15
DE602007002562D1 (de) 2009-11-05
EP2017563A1 (fr) 2009-01-21

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