EP2017563A1 - Rohrboden und Herstellungsverfahren dafür - Google Patents

Rohrboden und Herstellungsverfahren dafür Download PDF

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Publication number
EP2017563A1
EP2017563A1 EP07112627A EP07112627A EP2017563A1 EP 2017563 A1 EP2017563 A1 EP 2017563A1 EP 07112627 A EP07112627 A EP 07112627A EP 07112627 A EP07112627 A EP 07112627A EP 2017563 A1 EP2017563 A1 EP 2017563A1
Authority
EP
European Patent Office
Prior art keywords
header plate
header
pair
heat exchanger
flaps
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
EP07112627A
Other languages
English (en)
French (fr)
Other versions
EP2017563B1 (de
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(A1) "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 AT07112627T priority Critical patent/ATE443840T1/de
Priority to EP07112627A priority patent/EP2017563B1/de
Priority to DE602007002562T priority patent/DE602007002562D1/de
Publication of EP2017563A1 publication Critical patent/EP2017563A1/de
Application granted granted Critical
Publication of EP2017563B1 publication Critical patent/EP2017563B1/de
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 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 cut into and folded away from the base plate, and at least a pair of end walls folded toward said 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.
  • 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 may also be 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)
EP07112627A 2007-07-17 2007-07-17 Rohrboden und Herstellungsverfahren dafür Not-in-force EP2017563B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT07112627T ATE443840T1 (de) 2007-07-17 2007-07-17 Rohrboden und herstellungsverfahren dafür
EP07112627A EP2017563B1 (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 (de) 2007-07-17 2007-07-17 Rohrboden und Herstellungsverfahren dafür

Publications (2)

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

Family

ID=38922766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07112627A Not-in-force EP2017563B1 (de) 2007-07-17 2007-07-17 Rohrboden und Herstellungsverfahren dafür

Country Status (3)

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

Citations (6)

* 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
EP0651221A2 (de) * 1993-10-28 1995-05-03 Modine Manufacturing Company Konstruktion einer Endkammer für einen Wärmetauscher
EP0718580A1 (de) * 1994-12-20 1996-06-26 Nippondenso Co., Ltd. Wärmetauscher und Verfahren zu seiner Herstellung
DE19605108A1 (de) * 1995-09-26 1997-03-27 Lingemann Helmut Gmbh & Co Sammelrohr für Wärmetauscher sowie Verfahren und Vorrichtung zu seiner Herstellung
JPH09264689A (ja) * 1996-03-27 1997-10-07 Showa Alum Corp 熱交換器
FR2860289A1 (fr) * 2003-09-26 2005-04-01 Valeo Thermique Moteur Sa Echangeur de chaleur de forme cintree et procede pour sa fabrication

Patent Citations (6)

* 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
EP0651221A2 (de) * 1993-10-28 1995-05-03 Modine Manufacturing Company Konstruktion einer Endkammer für einen Wärmetauscher
EP0718580A1 (de) * 1994-12-20 1996-06-26 Nippondenso Co., Ltd. Wärmetauscher und Verfahren zu seiner Herstellung
DE19605108A1 (de) * 1995-09-26 1997-03-27 Lingemann Helmut Gmbh & Co Sammelrohr für Wärmetauscher sowie Verfahren und Vorrichtung zu seiner Herstellung
JPH09264689A (ja) * 1996-03-27 1997-10-07 Showa Alum Corp 熱交換器
FR2860289A1 (fr) * 2003-09-26 2005-04-01 Valeo Thermique Moteur Sa Echangeur de chaleur de forme cintree et procede pour sa fabrication

Also Published As

Publication number Publication date
ATE443840T1 (de) 2009-10-15
EP2017563B1 (de) 2009-09-23
DE602007002562D1 (de) 2009-11-05

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