EP1890102A1 - Plaque tubulaire voûtée pour un bac collecteur d'un échangeur thermique - Google Patents

Plaque tubulaire voûtée pour un bac collecteur d'un échangeur thermique Download PDF

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Publication number
EP1890102A1
EP1890102A1 EP07012127A EP07012127A EP1890102A1 EP 1890102 A1 EP1890102 A1 EP 1890102A1 EP 07012127 A EP07012127 A EP 07012127A EP 07012127 A EP07012127 A EP 07012127A EP 1890102 A1 EP1890102 A1 EP 1890102A1
Authority
EP
European Patent Office
Prior art keywords
flat
tubes
axis
curvature
floor
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
EP07012127A
Other languages
German (de)
English (en)
Other versions
EP1890102B1 (fr
Inventor
Klaus Kalbacher
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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
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Application filed by Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP1890102A1 publication Critical patent/EP1890102A1/fr
Application granted granted Critical
Publication of EP1890102B1 publication Critical patent/EP1890102B1/fr
Expired - Fee Related legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/08—Reinforcing means for header boxes

Definitions

  • the invention relates to a bottom part for a collecting box of a heat exchanger, e.g. a cooler, in particular oil cooler, with the other features in the preamble of claim 1.
  • a heat exchanger e.g. a cooler, in particular oil cooler
  • the bottom part also referred to as tube plate, for a collection box of this oil cooler consists of an at least partially flat flat part, which is designed approximately U-shaped in cross section.
  • a U-shaped in cross-section cover part is fastened such that it is received with its two-sided legs between side walls of the bottom part, wherein in this area a pressure-resistant connection between the bottom part and the lid part.
  • the bottom part contains openings for receiving Conssteckender pipes, which are in this case formed as flat tubes. In adaptation to the openings are approximately slit-shaped.
  • the flat part has at least one rounded region, namely in such a way that the flat central region merges on both sides via rounded side regions into the two side walls of the bottom part.
  • the slot-shaped openings for receiving and attaching contemplatsteckender Flat tubes extend transversely across the central region.
  • the tubes are juxtaposed to form spaces therebetween in which cooling fins are placed which enhance the heat exchange between the tubes and the medium to be cooled which flows through the tubes.
  • the tubes are pressure-tight in the openings of the bottom part, eg by soldering. If the collecting box is acted upon by a medium to be cooled, which flows through the tubes and can reach a second collecting box, the bottom part is pressurized, whereby the bottom part can deform such that it is bent in the direction of the tubes. Accordingly, the connections between the bottom part and the tubes are under heavy mechanical stress. These high mechanical loads can lead to damage, in particular leaks in the joints, and affect the life of such a designed heat exchanger.
  • the invention has for its object to provide a bottom part for a header of a heat exchanger, e.g. for an oil cooler, which allows an increased strength of the flat part itself and also the connections between the flat part and pipes to be fastened thereto.
  • a heat exchanger e.g. for an oil cooler
  • a bottom part for a collecting box of a heat exchanger of the type mentioned according to the invention in that the flat part has a biaxial, in particular correspondingly approximately a spherical cap, curved central part.
  • a bottom part 10 is shown, which is suitable for a collecting box of a heat exchanger 24, a part of which is indicated schematically in Fig. 4.
  • the heat exchanger 24 is suitable, for example, for an internal combustion engine, in particular a motor vehicle. It can be used as a cooler, in particular e.g. as an oil cooler, or instead as a condenser or as an evaporator and hereby e.g. be integrated into a refrigeration cycle.
  • the bottom part 10 consists of an at least partially flat flat part 11 with a in Fig. 1 to 3 upwardly facing side 12, on the flat part 11 a not further shown cover part, for example by soldering, welding od. Like. Can be fastened.
  • the flat portion 11 includes openings 13 which serve to receive therapeutically active devices 14, as shown in FIG. 4 can be seen.
  • the flat part 11 has at least a rounded portion and is characterized in particular in that this flat part 11 has a curved central part 15, the biaxial, in particular corresponding to about a spherical cap, and thus z. B. spherical segment, curved.
  • the curved central part 15 is curved about a in the drawings only schematically indicated, longitudinally extending first axis 16 and at the same time about a transversely, in particular approximately at right angles, to the first axis 16 extending second axis 17.
  • the flat part 11 has in the embodiment shown approximately rectangular contour with an approximately parallel to the first axis 16 extending longitudinal side 18 and a transverse thereto, in particular approximately at right angles thereto, extending transverse side 19. Accordingly, the curved central portion 15 is approximately rectangular. Accordingly, a longitudinal axis extending approximately parallel to the longitudinal side 18 of the flat part 11 forms the first axis 16 and thereby the axis of curvature for the transverse curvature of the central part 15, as can be seen from FIG. 1 and in particular from FIG.
  • the radius of curvature for this transverse curvature is designated r1 in FIG. 3, it being understood that the radius of curvature r1 is not to scale with respect to the other illustration in FIG.
  • An approximately parallel to the transverse side 19 of the flat part 11 extending transverse axis forms the second axis 17 and is the axis of curvature for the longitudinal curvature of the central part 15.
  • the radius of curvature for this longitudinal curvature is shown schematically in Fig. 2 with r2. It is understood that here too the size of the radius of curvature r2 in comparison to the representation of the flat part 11 is not to scale, since r2 is significantly greater in practice than in the illustration of FIG.
  • the radius of curvature r1 about the first axis 16 may be different from that of r2 about the second axis 17. Then results in the curved central portion 15 a deviating from a spherical portion biaxial curvature. Instead, the radius of curvature r1 about the first axis 16 may be the same as that r2 about the second axis. Then arises for the curvature of the central part 15 such as a spherical cap, d. H. a sphere section.
  • the transverse curvature of the curved central part 15 is greatest approximately in the region of the middle of the longitudinal side 18 due to the longitudinal curvature, the size of the curvature decreasing from this center to both sides in the longitudinal direction.
  • the curved central part 15 is surrounded by a flat edge region 20 on the longitudinal side 18 and transverse side 19, which is not curved.
  • This flat edge region 20 has at least on one side, in particular on the side 12, approximately planar attachment surfaces 21, which serve for the attachment of a cover part thereto.
  • At least most of the openings 13 used to receive tubes 14 are contained in the curved central part 15.
  • the arrangement may be such that e.g. only the outermost edge 22 of the two longitudinally outermost openings 13, which is adjacent to the flat local edge region 20, has no transverse curvature about the first axis 16.
  • the arrangement can also be made such that only individual regions of the flat part 11 have a biaxial curvature and other regions only a uniaxial curvature, in particular transverse curvature.
  • Viewed in the longitudinal direction of the central part 15 can, for. B. at the beginning of a biaxial curved region are present, to which a uniaxially curved region, for. B. with transverse curvature, follows, then followed by a biaxially curved region.
  • the tubes 14 are formed as flat tubes.
  • the openings 13 are formed as a correspondingly adapted slots.
  • the slot profile of these openings 13 is directed transversely to the longitudinal side 18 and the first axis 16 of the curved central part 15.
  • At least some of these particular slot-shaped openings 13 are delimited by a passage 23, are created by the enlarged contact surfaces on the respective pipe 14 facing inside of the passage 23 and thus the strength and the guarantee of a tight connection between the flat part 11 and the individual tubes fourteenth is increased.
  • the passages 23 point towards the side 12 of the flat part 11, to which the cover part (not shown) is to be fastened. Thus, the passages 23 then protrude when the collecting box is formed toward its interior.
  • the passages 23 but also to the other, the side 12 opposite side point.
  • the passages 23 advantageously each have the same height, i. Instead, the passages 23, for example in the middle region of the central part 15, can also be higher than in the adjacent regions.
  • the height of the passages 23 may be e.g. starting from the middle on both sides in the longitudinal direction 18.
  • the flat part 11 represents an integral component and is formed, for example, of aluminum. The production takes place for example by injection molding or deep drawing.
  • the flat part 11 has a cross-sectional thickness of the order of about 0.8 to 6 mm.
  • the bottom part 10 is suitable for this and a cover part, not shown, which e.g. is placed on the mounting surfaces 21, a collecting box for a heat exchanger, e.g. for an oil cooler, to assemble.
  • the cover part not shown, on the flat, not curved edge portion 20 of the flat part 11, and in this case in particular on the flat mounting surfaces 21 of this, for. by welding, soldering od.
  • the cover part may also be formed of aluminum and preferably consists of a deep-drawn part.
  • Fig. 4 shows a part of a heat exchanger 24 having at least one bottom part 10, to which a cover part, not shown, can be fastened to form a collecting box, and with tubes 14 in the form of, for example, flat tubes, which are received in corresponding slit-shaped openings 13 in the bottom part 10 and pressure-tight by eg soldering, welding od. Like. Are attached.
  • the fastening of the tubes 14 takes place at the openings 13 and the passages 23.
  • the bottom part 10 and / or the collector to be formed therefrom have the features described above. It can be seen that the tubes 14 despite the biaxial, z. B. approximately spherical segment, curved central portion 15 all have the same length.
  • tubes 14 protrude with their ends, which protrude beyond the flat portion 11 and are directed towards the interior of a collecting box to be formed on different levels over the bottom part 10 and protrude accordingly different far into the interior of a manner to be formed Collection box into it.
  • the tubes 14, which are located approximately in the region of the center of the central part 15, with their ends continue on the bottom part 10 than the remaining tubes 14, which connect in the longitudinal direction 18, starting from the center, on both sides. These adjoining on both sides of tubes 14 are end less than the bottom part 10 over than the tubes 14 in the region of the center.

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)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
EP20070012127 2006-08-09 2007-06-21 Plaque tubulaire voûtée pour un bac collecteur d'un échangeur thermique Expired - Fee Related EP1890102B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610037192 DE102006037192A1 (de) 2006-08-09 2006-08-09 Bodenteil für einen Sammelkasten eines Wärmeaustauschers

Publications (2)

Publication Number Publication Date
EP1890102A1 true EP1890102A1 (fr) 2008-02-20
EP1890102B1 EP1890102B1 (fr) 2013-04-03

Family

ID=38694948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070012127 Expired - Fee Related EP1890102B1 (fr) 2006-08-09 2007-06-21 Plaque tubulaire voûtée pour un bac collecteur d'un échangeur thermique

Country Status (3)

Country Link
EP (1) EP1890102B1 (fr)
DE (1) DE102006037192A1 (fr)
WO (1) WO2008021162A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096398A1 (fr) * 2008-02-28 2009-09-02 Behr GmbH & Co. KG Plaque collectrice d'un boitier de collecte pour eau de refroidissement et caloporteur pour véhicules automobiles
DE102012202886A1 (de) * 2012-02-24 2013-08-29 Behr Gmbh & Co. Kg Wärmeübertrager
WO2015086195A1 (fr) * 2013-12-13 2015-06-18 Valeo Systemes Thermiques Boîte collectrice et échangeur thermique correspondant
DE102019209222A1 (de) * 2019-06-26 2020-12-31 Krones Ag Röhrenwärmetauscher

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1016251A (en) * 1960-09-22 1966-01-05 Richardsons Westgarth & Co Improvements in or relating to heat exchangers
US4207944A (en) * 1978-02-15 1980-06-17 Joseph Oat Corporation Heat exchanger for withstanding cyclic changes in temperature
DE3121226A1 (de) * 1980-06-05 1982-03-11 Valeo, 75017 Paris Lochplatte fuer einen roehren-waermeaustauscher bei fluidumwaelzeinrichtungen
EP0198581A2 (fr) * 1985-04-12 1986-10-22 Modine Manufacturing Company Echangeur
DE4004949A1 (de) * 1989-02-17 1990-08-23 Diesel Kiki Co Mit einem uebertragungs-medium gefuellter waermetauscher der parallelfluss-bauart
JP2005308366A (ja) * 2004-04-26 2005-11-04 T Rad Co Ltd 熱交換器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2742531B1 (fr) * 1995-12-13 1998-01-30 Valeo Thermique Moteur Sa Plaque collectrice d'echangeur de chaleur, procede pour sa fabrication et echangeur de chaleur comprenant une telle plaque collectrice
CN100483046C (zh) * 2003-07-08 2009-04-29 昭和电工株式会社 蒸发器、制冷循环及车辆
US7303003B2 (en) * 2004-12-24 2007-12-04 Showa Denko K.K. Heat exchanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1016251A (en) * 1960-09-22 1966-01-05 Richardsons Westgarth & Co Improvements in or relating to heat exchangers
US4207944A (en) * 1978-02-15 1980-06-17 Joseph Oat Corporation Heat exchanger for withstanding cyclic changes in temperature
DE3121226A1 (de) * 1980-06-05 1982-03-11 Valeo, 75017 Paris Lochplatte fuer einen roehren-waermeaustauscher bei fluidumwaelzeinrichtungen
EP0198581A2 (fr) * 1985-04-12 1986-10-22 Modine Manufacturing Company Echangeur
DE4004949A1 (de) * 1989-02-17 1990-08-23 Diesel Kiki Co Mit einem uebertragungs-medium gefuellter waermetauscher der parallelfluss-bauart
JP2005308366A (ja) * 2004-04-26 2005-11-04 T Rad Co Ltd 熱交換器

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096398A1 (fr) * 2008-02-28 2009-09-02 Behr GmbH & Co. KG Plaque collectrice d'un boitier de collecte pour eau de refroidissement et caloporteur pour véhicules automobiles
DE102012202886A1 (de) * 2012-02-24 2013-08-29 Behr Gmbh & Co. Kg Wärmeübertrager
WO2015086195A1 (fr) * 2013-12-13 2015-06-18 Valeo Systemes Thermiques Boîte collectrice et échangeur thermique correspondant
FR3015016A1 (fr) * 2013-12-13 2015-06-19 Valeo Systemes Thermiques Boite collectrice et echangeur thermique correspondant
US20160377357A1 (en) * 2013-12-13 2016-12-29 Valeo Systemes Thermiques Collection box and corresponding heat exchanger
DE102019209222A1 (de) * 2019-06-26 2020-12-31 Krones Ag Röhrenwärmetauscher

Also Published As

Publication number Publication date
WO2008021162A3 (fr) 2008-07-03
DE102006037192A1 (de) 2008-02-14
EP1890102B1 (fr) 2013-04-03
WO2008021162A2 (fr) 2008-02-21

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