EP1819458B1 - Verfahren zur herstellung eines wärmetauschers - Google Patents

Verfahren zur herstellung eines wärmetauschers Download PDF

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Publication number
EP1819458B1
EP1819458B1 EP05850232A EP05850232A EP1819458B1 EP 1819458 B1 EP1819458 B1 EP 1819458B1 EP 05850232 A EP05850232 A EP 05850232A EP 05850232 A EP05850232 A EP 05850232A EP 1819458 B1 EP1819458 B1 EP 1819458B1
Authority
EP
European Patent Office
Prior art keywords
flow tubes
openings
passages
receiving device
production
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
EP05850232A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1819458A1 (de
Inventor
Holger Auchter
Hans-Peter Heuss
Bruno Lösch
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1819458A1 publication Critical patent/EP1819458A1/de
Application granted granted Critical
Publication of EP1819458B1 publication Critical patent/EP1819458B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • 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
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • 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
    • 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
    • F28F9/0207—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions the longitudinal or transversal partitions being separate elements attached to header boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49833—Punching, piercing or reaming part by surface of second part

Definitions

  • the present invention relates to a method of manufacturing a heat exchanger.
  • the method will be described in relation to a heat exchanger used in automobiles, for example, in air conditioning systems of a motor vehicle and the like. However, the method can also be applied to other heat exchangers.
  • Such heat exchangers usually have a plurality of flow tubes, through which a refrigerant is passed. These flow tubes open into tubesheets, which are usually arranged at the ends of the tubes (see, eg US-A-4150556 ).
  • the tubesheets have openings through which the flow tubes are pushed or pushed.
  • these openings which are also referred to below as passages
  • several production methods are known from the prior art.
  • these passages can be produced by punching, or by tear methods, such as tearing or the like.
  • the material to be processed is stretched and torn apart during a tearing process.
  • stamping method The advantages of a stamping method are that the production is relatively simple, the opening or the passage thus produced has a high degree of accuracy and any sectional shape geometry can be produced. Used as a manufacturing process the tearing used from the full sheet metal, so funnel-shaped insertion bevels of the passage can be generated in this way and thus facilitated assembly and soldering processes can be achieved. In addition, in this case, in the contact or connection region between the flow-through tube and the passage, a solder coating results when using solder-coated starting sheets.
  • the object of the invention is to utilize the advantages of both methods in the production. This is achieved according to the invention by the subject matter of claim 1.
  • the dependent claims 2-6 relate to developments of the invention.
  • Reference numeral 1 refers to a receptacle or tube sheet according to the present invention.
  • This has two side edges 3a and 3b, which serve for connection to a further device, such as a lid.
  • the side edges may have inclined portions 4a and 4b which serve to engage with a lid.
  • the tube sheet has a thickness d which is between 0.2 and 3 mm, preferably between 0.5 and 2 mm and particularly preferably in the range of 0.5 to 1 mm.
  • a plurality of openings 6 is provided in the tube sheet. These openings have an elongated shape and lie together in a main plane H.
  • edges or collars 8 and at other regions 7 do not arise in the peripheral region of the openings 6 at a region of the circumference.
  • the main level H is in Fig. 1 represented by the two dashed lines.
  • this plane are the respective openings 6, more precisely the peripheral edges of the openings 6 in the areas 7, in which there are no collars.
  • edges 8 and the areas 7 without edges are shown here in steps. However, the transition can also be made continuously or mathematically differentiable.
  • the edges 8 themselves may have rounded shapes.
  • edges 8 are shown here with a constant height h, but the height can vary in different areas. Also, the height of the edges or collars 8 differ from opening 6 to opening 6.
  • the openings have a central region 6a which has a reduced width compared to the remaining region of the opening.
  • This narrowed area serves to receive a central region of the flow tubes (not shown), which are pushed through the openings 6. Since in this area relatively high demands on the exact sectional shape must be made, this area is produced by stamping, that is, in this area no peripheral edge or collar 8 occurs.
  • a gap 11 occurs, resulting from the tearing process.
  • This gap 11 is also represented by a straight course. However, the gap 11 may also have curved edges.
  • the plane H in which the openings 6 are arranged, offset laterally relative to a bottom plane B.
  • the ground plane B is understood to be the plane from which the side edges 3a and 3b extend. From the bottom plane B to the openings 6 out a slope 12 is provided.
  • the main plane H and the ground plane B geometrically substantially coincide, just as it would also be conceivable that the main plane H with respect to Fig. 1 is arranged below the ground plane B. In this case, the openings 6 are located farther from the end portions of the flow tubes (not shown) than the bottom plane B of the receiver 1.
  • the reference numeral 21 denotes a partition wall which divides the respective openings 6 into a left side area and a right side area. More specifically, the entire recording device 1 is also divided into a left-side and a right-side region.
  • this subdivision can be carried out substantially symmetrically, but embodiments are also possible in which the division takes place asymmetrically.
  • the partition wall 21 is in each case alternately against steps 22, more precisely at the sections 22a and 22b of the steps 22, which run essentially parallel to the plane of the partition wall.
  • the steps 22 also have sections 24a and 24b which extend substantially perpendicular to the plane of the partition, and sections 25a and 25b which extend obliquely with respect to the plane of the partition 21.
  • the partition wall is in each case on the narrowed portion 6a of the openings 6.
  • the partition 21 may have slots (not shown) which receive the ends of the flow tubes (also not shown) at least in the region of the opening 6.
  • the receiving device 1 and thus the lid or bottom of the device for the exchange of heat in a left-side and a right-side portion is divided.
  • this subdivision also continues into the flow-through devices (not shown) inserted into the receiving device.
  • the technical manufacturing difficulty lies in the production or design of the transition regions of the two methods in the region of the openings or passages. After the joining process, ie after insertion of the flow tubes into the openings, this transition region must not have any large soldering gaps in order not to adversely affect the soldering process following the assembly and to prevent the occurrence of leaks.
  • matched tools are used for the individual molding processes, that is, in particular but not exclusively for the punching and the tearing process, such as, for example, matched punches and dies.
  • the tools are preferably selected such that they have an overlapping region in the transition regions between the regions in which the respective processes are used, that is to say that in the transition regions processing of the material takes place by both methods or by both tools.
  • the tools by suitably dimensioning the tools, it can be achieved that, in the case where a punching process is first followed by a tearing process, substantially no further forces are applied to the already punched areas of the openings by the tearing process, resulting in deformation lead the already punched material.
  • Fig. 2 shows a further embodiment of the bottom device 1 of the device according to the invention for the exchange of heat in a perspective view from above.
  • the bottom device 1 has passages 6, which are covered by collars 8.
  • the collars 8 by means of bevels 12 with a base 13 of the bottom device 1 connected.
  • a bottom portion 14 is shown with opposing steps 22 for receiving the partition 21.
  • a gap 11 is arranged in each case.
  • the passages 6 with the collars 8 and the gap 11 can be produced by a previously described combined tear and punching process.
  • Fig. 3 shows the bottom device 1 of Fig. 2 from below, ie in backward view.
  • the bottom section 14 with the steps 22 the narrowed central regions 6a of the passages 6 can be seen.
  • FIGS. 4 and FIG. 5 correspond to the FIGS. 2 and 3 in a further perspective view.
  • Fig. 6 shows the inventive device for exchanging heat using the ground device of Fig. 2 ,
  • Flat tubes or flow-through devices 15 with flow chambers 16 and 17 and a narrowed region 18, which separates the flow chambers 16, 17, are inserted into the bottom device 1 through the passages 6 with their narrowed central regions 6a.
  • a partition wall 21 is provided with slots 23, which serves for a separation of the flow flow in two areas.
  • the partition wall 21 is supported by the steps 22.
  • the slots 23 of the partition wall 21 serve to receive the constricted regions 18 of the flat tubes 15.
  • Fig. 7 shows the device after Fig. 6 consisting of bottom device 1, a plurality of inserted Flachrohre15 and a partition wall 21st
  • Fig. 8 shows a section perpendicular to the introduced partition 21 through the bottom device 1 of Fig. 2 , The section through a slot 23 of the partition wall 21 and thus along a passage 6 runs.
  • Fig. 9 shows a further section perpendicular to the introduced partition wall 21 through the bottom device 1 of Fig. 2 wherein the section through a region of the partition wall 21 without a slot and thus does not run along a passage 6, so that the base 13 of the bottom device 1 can be seen.
  • Fig. 10 shows a further embodiment of a bottom device 1 with passages 6, which are comprised of collars 8, which are arranged on slopes 12, wherein the slopes 12 provide the connection to the base 13 of the bottom device 1.
  • Analogous to the ground facility of Fig. 2 is a substantially perpendicular to the passages 5 extending bottom portion 14 is provided with opposing steps 22, which serves to receive a partition wall, not shown.
  • perpendicular to the bottom portion 14 extending receiving portion 30 is provided, the guide surfaces 31 a, 31 b, 31 c, and 31 d, which are perpendicular to the plane of the bottom device 1.
  • a partition wall can be introduced into the bottom device 1, which is arranged parallel to the passages 6. If a further dividing wall with a corresponding design is likewise introduced into the bottom section 14 provided for receiving a dividing wall, a fourfold division of the flow flow is possible. Otherwise opened by the arrangement of two receiving devices for partitions, namely the bottom portion 14 and the receiving portion 30, the possibility of arranging a partition perpendicular or parallel to the passages. 6
  • Fig. 11 shows the bottom device 1 of Fig. 10 in rear view It can be seen that the intersection of the two receiving portions 14 and 30 in the rear view in the shape of a cross 32 has.
  • Fig. 12 shows an embodiment of the device according to the invention for the exchange of heat in an exploded view with a bottom device 1 according to
  • FIG. 10 another partition wall 33 and a plurality of flat tubes 15.
  • the further partition 33 extends in the direction of the elongated passages 6 and leads to a flow separation into two areas, if only this further partition wall 33 is used. If a corresponding "first" separating wall 21, not shown, is additionally introduced in the bottom section 14, a quadruple subdivision is effected.
  • Fig. 13 shows the embodiment of the inventive device for exchanging heat of Fig. 12 in an exploded view in rear view with a bottom device 1 according to Fig. 10
  • a further separating wall 33 and a plurality of flat tubes 15 can be seen.
  • the cross 32 which is arranged approximately centrally in the bottom device 1, can be used so that a dividing wall can be used which extends either in the direction perpendicular or in the direction parallel to the passages 6.
  • Fig. 14 shows the device for exchanging heat according to Fig. 28 in the assembled state with partition 31, bottom device 1 and a plurality of flat tubes 40th
  • FIG. 1 shows a cross section through a bottom device 1 provided with a further partition wall 33 along the bottom section 14 of FIG Fig. 10 so that the narrowed portions 6a of the passages 6 can be seen in the base 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP05850232A 2004-12-03 2005-12-05 Verfahren zur herstellung eines wärmetauschers Not-in-force EP1819458B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004058574 2004-12-03
DE102005018187 2005-04-19
PCT/EP2005/013010 WO2006058792A1 (de) 2004-12-03 2005-12-05 Verfahren zur herstellung eines wärmetauschers

Publications (2)

Publication Number Publication Date
EP1819458A1 EP1819458A1 (de) 2007-08-22
EP1819458B1 true EP1819458B1 (de) 2011-02-23

Family

ID=35889654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05850232A Not-in-force EP1819458B1 (de) 2004-12-03 2005-12-05 Verfahren zur herstellung eines wärmetauschers

Country Status (6)

Country Link
US (1) US9089890B2 (ja)
EP (1) EP1819458B1 (ja)
JP (1) JP2008522131A (ja)
AT (1) ATE499163T1 (ja)
DE (1) DE502005011008D1 (ja)
WO (1) WO2006058792A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003631A1 (de) * 2010-04-01 2011-10-06 Behr Gmbh & Co. Kg Verfahren zur Herstellung eines Metallteils

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8851157B2 (en) * 2010-05-13 2014-10-07 Adams Thermal Systems, Inc. Partial reverse ferrule header for a heat exchanger
DE102011075071A1 (de) * 2011-05-02 2012-11-08 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Ladeluftkühler
DE102011076225A1 (de) 2011-05-20 2012-11-22 Behr Gmbh & Co. Kg Wärmetauscher
GB2491187B (en) * 2011-05-27 2014-02-26 Halla Visteon Climate Control Header for heat exchangers
JP5829055B2 (ja) * 2011-06-03 2015-12-09 サンデンホールディングス株式会社 熱交換器

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GB169855A (en) 1920-07-19 1921-10-13 Henry Garner Improvements in radiators for motor vehicles and the like
US3021804A (en) * 1955-02-18 1962-02-20 Modine Mfg Co Method of fabricating heat exchangers
US3245465A (en) * 1964-12-09 1966-04-12 Young Radiator Co Heat-exchanger core-unit construction
US4150556A (en) * 1978-02-27 1979-04-24 Mccord Corporation Radiator tank headsheet and method
US4234041A (en) * 1978-11-15 1980-11-18 Mccord Corporation Radiator tank headsheet and method
US4400965A (en) * 1980-03-27 1983-08-30 Modine Manufacturing Company Forming integral flanges in a sheet apparatus therefore
DD211225A3 (de) * 1982-05-17 1984-07-04 Umform & Plastverarb Fz Boden fuer den tank eines rohrwaermetauschers und werkzeug zu dessen herstellung
US5243842A (en) * 1988-07-14 1993-09-14 Showa Aluminum Kabushiki Kaisha Method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs
US4881594A (en) * 1989-03-27 1989-11-21 General Motors Corporation Header plate for pressure vessels, heat exchangers and the like
DE3910357A1 (de) * 1989-03-30 1990-10-04 Autokuehler Gmbh & Co Kg Leitblech fuer einen waermetauscher und daraus hergestelltes waermetauschernetz
US5327959A (en) * 1992-09-18 1994-07-12 Modine Manufacturing Company Header for an evaporator
EP0656517B1 (de) * 1993-12-03 1999-02-10 Valeo Klimatechnik GmbH & Co. KG Wasser/Luft-Wärmetauscher aus Aluminium für Kraftfahrzeuge
JPH08254399A (ja) 1995-01-19 1996-10-01 Zexel Corp 熱交換器
FR2752930B1 (fr) * 1996-08-29 1998-11-13 Valeo Thermique Moteur Sa Collecteur a collets, a base d'aluminium, pour echangeur de chaleur, notamment de vehicule automobile
JP3414171B2 (ja) 1996-11-29 2003-06-09 株式会社デンソー 熱交換器
JP3822958B2 (ja) 1997-08-04 2006-09-20 サンデン株式会社 熱交換器の製造方法
DE19752139B4 (de) * 1997-11-25 2004-06-03 Behr Gmbh & Co. Wärmeübertrager für ein Kraftfahrzeug
FR2780153B1 (fr) 1998-06-23 2000-09-08 Valeo Thermique Moteur Sa Echangeur de chaleur a tubes plats, en particulier pour vehicule automobile
US6446337B1 (en) * 2000-11-28 2002-09-10 S & Z Tool & Die Co., Inc. Formation of tube slots in clad aluminum materials
US6802362B2 (en) * 2002-02-21 2004-10-12 Thermal Corp. Fin with elongated hole and heat pipe with elongated cross section
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JP2004286358A (ja) * 2003-03-24 2004-10-14 Calsonic Kansei Corp 熱交換器のコア部構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003631A1 (de) * 2010-04-01 2011-10-06 Behr Gmbh & Co. Kg Verfahren zur Herstellung eines Metallteils

Also Published As

Publication number Publication date
EP1819458A1 (de) 2007-08-22
US9089890B2 (en) 2015-07-28
ATE499163T1 (de) 2011-03-15
US20080121388A1 (en) 2008-05-29
WO2006058792A1 (de) 2006-06-08
DE502005011008D1 (de) 2011-04-07
JP2008522131A (ja) 2008-06-26

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