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EP1811259A1 - Dispositif de fixation pour caloporteur - Google Patents

Dispositif de fixation pour caloporteur Download PDF

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Publication number
EP1811259A1
EP1811259A1 EP07001145A EP07001145A EP1811259A1 EP 1811259 A1 EP1811259 A1 EP 1811259A1 EP 07001145 A EP07001145 A EP 07001145A EP 07001145 A EP07001145 A EP 07001145A EP 1811259 A1 EP1811259 A1 EP 1811259A1
Authority
EP
European Patent Office
Prior art keywords
arrangement according
seal
flange
box
tube
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
EP07001145A
Other languages
German (de)
English (en)
Other versions
EP1811259B1 (fr
Inventor
Franco Ghiani
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 EP1811259A1 publication Critical patent/EP1811259A1/fr
Application granted granted Critical
Publication of EP1811259B1 publication Critical patent/EP1811259B1/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
    • F28F9/0219—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
    • 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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/067—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of 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
    • F28F2225/00—Reinforcing means
    • F28F2225/08—Reinforcing means for header boxes

Definitions

  • the invention relates to an arrangement for fastening a collecting tank on a tube plate of a heat exchanger according to the preamble of claim 1.
  • connection between a tube sheet and a collecting box for heat exchangers in various forms.
  • the type of connection depends on the selected materials of the tube plate on the one hand and the header box on the other.
  • a cohesive, compound by welding or soldering is preferred.
  • a plastic box and a tube sheet made of metal for.
  • As aluminum come mechanical connections, so-called flare with inserted seal used.
  • a closed sealing frame is inserted into a circumferential groove of the tube sheet, the collecting box is placed on the sealing frame and clamped to the ground by Umbördein the edge region of the soil.
  • the seal between the box and the tube bottom is arranged laterally on the box, ie in the region of the side walls of the box, and overlapped by the erected edge region of the base.
  • the seal preferably an O-ring thus enclosing the circumference of the box and is preferably arranged for guiding in a circumferential groove.
  • the tubesheet abuts with its edge region from the outside to the seal and exerts due to the mechanical connection of the soil with the box also the required sealing force. This sealing or pressing force is exerted essentially in a plane which is arranged approximately parallel to the plane of the tube bottom.
  • the advantage of the box / floor connection according to the invention lies in the reduced depth compared to the prior art.
  • the arrangement of the seal on the side walls of the header box eliminates existing in the prior art circumferential groove in the tube sheet in which the seal was added. Due to the arrangement according to the invention, the tube sheet without such a groove, ie up to the peripheral, erected edge region can be formed flat, so that the passages for receiving the tubes can extend to the edge region.
  • the block dimension, ie the depth of the tube / rib block corresponds approximately to the depth of the bottom or of the box received in the bottom.
  • the seal between the box and the floor can also be designed as a pasty seal, which is applied in a doughy form on the box and hardens after connection to the tube sheet.
  • Suitable sealing materials are, for example, silicone or a two-component plastic.
  • the edge region of the bottom has a lateral sealing region, to which a fastening region adjoins.
  • the sealing area is smooth and abuts the seal with a certain preload, while the mounting area is deformable and serves to establish a mechanical connection between the box and the floor.
  • the attachment portion for this purpose has T-shaped punched out locking elements, which are deformed after insertion of the box in the ground to U-shaped locking elements ("claws"), which engage with the box grooves and with the side walls of the box protruding ribs.
  • U-shaped locking elements By the U-shaped deformed locking elements, the box is on the one hand in the longitudinal direction of the tubes of the heat exchanger, ie secured perpendicular to the tube bottom plane and on the other hand transversely to this direction, ie in a plane parallel to the tube bottom.
  • the fastening region of the tube plate is designed as a locking strip with a continuous outer edge and punched openings, which is bent around the flange of the box and fixed there by means of anchoring elements.
  • the edge region of the tube sheet and the flange of the box is made.
  • the tube sheet passages for receiving pipes in particular of flat tubes, wherein the passages are formed either to the side of the box or to the opposite side, d. H. the collar of the passages points either to the box or in the direction of the tube / rib block.
  • a maximum length for the passages which extend over the entire width of the soil and reach up to the wall of the edge region of the soil.
  • the collar of the passage on the narrow sides in the wall of the edge area over.
  • a maximum tube depth or block depth for the tube / rib block in relation to the bottom width can be achieved.
  • the block depth thus corresponds approximately to the overall depth of the heat exchanger.
  • the collection box and the tube sheet are self-locking connected to each other.
  • a seal can be pressed more strongly against the tubesheet and the collecting box.
  • pressure that would lead to loosening of the tube plate from the header be converted into a self-locking clamping force.
  • Fig. 1 shows a heat exchanger 1 shown in part, which a collection box 2, hereinafter also referred to as a short box called a tube sheet 3, hereafter also called bottom, and a tube / rib block 4, hereinafter also referred to as short block.
  • the heat exchanger 1 can be used as a coolant radiator for cooling an internal combustion engine of a motor vehicle or as a radiator heating and air conditioning of a motor vehicle - it is flowed through in this case of coolant and secondary side acted upon by ambient air.
  • the box 2 is preferably made of plastic, ie formed as a molded part. Likewise, however, is a preparation of metal, for. B. achtmetalldruck- or injection molding possible.
  • the collection box 2 is, as will be shown and explained in more detail below, formed as a box-shaped hollow body, which has a longitudinal side 2a with molded ribs 5 and a narrow side 2b, also with molded ribs 5. (the two opposite sides are not visible in this representation and therefore not marked).
  • the collecting box 2 thus has a substantially rectangular floor plan with rounded corners.
  • a nozzle 2c for the entry or exit of a heat exchange medium, for example, the coolant of a cooling circuit of an internal combustion engine.
  • the tube sheet 3 is made of a metal sheet, preferably aluminum sheet without cutting and takes the pipes of the block 4, not shown.
  • the tube plate 3 has on its upper side U-shaped locking elements 6 (so-called claws), which - which will be explained - are in engagement with the ribs 5.
  • Fig. 2 shows an enlarged section of the attachment of collection box 2 and tube sheet 3 in another isometric view.
  • the U-shaped deformed locking elements 6 are part of the bottom 3, pass through a groove 5 arranged in the groove 5 a and lie with their U-legs on both sides of the rib 5 at.
  • Fig. 3 shows in a 3-D representation of the open bottom 3, ie before the connection to the box 2, which is not shown here.
  • the tube plate 3 has an approximately rectangular planar bottom portion 3a, are received in which tube ends 7 of flat tubes of the block 4, not shown.
  • the flat tube ends 7 extend recognizably over the entire width (depth) of the bottom region 3a.
  • the bottom region 3 a surrounds an approximately vertically erected circumferential edge region 3 b, which has a multiplicity of T-shaped locking elements 6 'on its outer edge.
  • the tube sheet 3 is preferably made of an aluminum sheet, ie made of a board, wherein the T-shaped locking elements 6 'are punched out before the edge region 3b is set up.
  • Fig. 4 shows the "closed" tube sheet 3 with U-shaped locking elements 6, which are formed by deformation of the T-shaped locking elements 6 '. However, this transformation takes place after placing the box 2, which is omitted here - for better illustration.
  • Fig. 5 shows the box 2 in a 3-D representation and a cross section through the two longitudinal sides 2a, at the foot of a circumferential groove 8 for receiving a round cord seal 9 is arranged.
  • the groove 8 serves to position and guide the round cord seal 9, also called O-ring, during assembly of the box 2, ie when inserted into the open bottom 3, as shown in Fig. 3.
  • the round cord seal 9 is a closed, preferably molded from an elastomer sealing frame which is inserted with slight bias in the groove 8.
  • the corner areas of the box 2 and the tube bottom 3 are sufficiently rounded to ensure proper installation of the seal on both sides.
  • Fig. 6 shows a cross section through the collecting box 2 with longitudinal sides 2a, groove 8 and inserted round cord seal 9.
  • the groove 8 is open to the outside, but the sealing frame 9 can not fall out of the groove 8 after insertion due to its bias.
  • the ribs 5 are arranged, which have on their underside an approximately rectangular groove 5a formed.
  • the box 2 is - as mentioned - used with inserted round cord seal 9 in the open bottom 3.
  • Fig. 7 shows the finished connection (mounting arrangement) between the box 2 and tube sheet 3, with U-shaped locking elements 6, which rest on the top of the flange 2d.
  • the tube sheet 3 is inserted with its locking elements 6 'in the grooves 5a until the upper edge of the flange 2d below the lower edge of the locking elements 6' is - then the locking elements-6 'are bent inwardly around the respective ribs 5, so that they include these as U-shaped locking elements 6.
  • Box 2 and bottom 3 are thus fixed against each other in all directions.
  • the round cord seal 9 is slightly deformed by the system on the inside of the edge region 3b in the manner of an O-ring, so that the required Sealing effect is achieved without requiring a relatively high contact pressure would be required.
  • a pasty seal for example based on silicone
  • a two-component plastic can be deposited in a corresponding groove, wherein the plastic cures after application to air.
  • the two-component plastic is introduced into a groove, for example, by means of a two-component plastic injection technique. We first introduce a first component and then the second component, in particular injected. In another embodiment, the two components are mixed and then introduced into the groove, in particular injected.
  • the bottom 3, ie the flat bottom portion 3 a has passages 10 for receiving flat tubes 11, which communicate with the interior of the collecting box 2 and are part of the above-mentioned block 4.
  • the passages 10 are - as known per se - produced by punching and Kragen realise, wherein the collar of the passages 10 are formed in this embodiment, to the side of the block. This results in a maximum clear width Di of the passage 10 (corresponds to the depth of the flat tube 11).
  • the outer dimension of the passage 10 is denoted by Da and corresponds to the width of the bottom 3.
  • the collar of the passage 10 is thus in the edge region 3b of the bottom 3 over.
  • the block depth of the heat exchanger which corresponds approximately to the dimension Di, is thus only slightly smaller than the bottom width Da, more precisely, only by twice the bottom wall thickness less.
  • FIG. 8 shows a (closed) bottom 12 which is placed on pipe ends 13 of a tube / rib block 14.
  • the tube sheet 12 has a circumferential edge region 12a arranged at the outer edges Locking strips 15, which are notched in the corner areas.
  • Fig. 9 shows a collecting box 16, which with respect to circumferential groove 8 and inserted round cord seal 9 corresponds to the previous embodiment (therefore, the same reference numerals).
  • the collecting box has a circumferential flange 16a with a top 16b on which anchoring elements 17 are arranged in the form of a series of teeth.
  • Fig. 10 shows an enlarged section of the finished connection, ie the locking bar 15 in engagement with the anchoring elements 17 on the box 16.
  • the locking bar 15 of the tube sheet 12 has a continuous outer edge 15 a and behind arranged openings 15 b, which in shape and arrangement as Tooth rack formed anchoring elements 17 correspond.
  • the four circumferentially arranged locking strips 15 are bent inwardly such that the teeth 17 pass through the openings 15b in the locking strip 15 and thus bring about a positive connection.
  • the sealing of collecting tank and tube sheet takes place in the same manner as in the previous embodiment:
  • the edge region 12a of the bottom 12 exerts a (in the drawing) horizontal contact pressure on the O-ring 9, ie approximately parallel to the plane of the tube bottom 12th

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)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP07001145A 2006-01-19 2007-01-19 Dispositif de fixation pour caloporteur Not-in-force EP1811259B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006002854A DE102006002854A1 (de) 2006-01-19 2006-01-19 Befestigungsanordnung für Wärmeübertrager

Publications (2)

Publication Number Publication Date
EP1811259A1 true EP1811259A1 (fr) 2007-07-25
EP1811259B1 EP1811259B1 (fr) 2009-04-15

Family

ID=37898623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07001145A Not-in-force EP1811259B1 (fr) 2006-01-19 2007-01-19 Dispositif de fixation pour caloporteur

Country Status (3)

Country Link
EP (1) EP1811259B1 (fr)
AT (1) ATE428901T1 (fr)
DE (2) DE102006002854A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2541184A1 (fr) * 2011-06-27 2013-01-02 Denso Corporation Matériau de joint pour échangeur de chaleur et échangeur de chaleur l'utilisant
WO2023046840A1 (fr) * 2021-09-24 2023-03-30 Sogefi Air & Cooling Dispositif de distribution de liquide caloporteur

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019320A1 (de) * 2008-04-16 2009-10-22 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere Abgasverdampfer eines Kraftfahrzeuges
DE102009009807A1 (de) * 2009-02-20 2010-08-26 Behr Gmbh & Co. Kg Mechanische Verbindung zwischen einem Rohrboden und einem Sammelkasten eines Wärmeübertragers
DE102012206982A1 (de) 2012-04-26 2013-10-31 Behr Gmbh & Co. Kg Wärmeübertrager

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735337A1 (fr) * 1995-03-27 1996-10-02 Valeo Thermique Moteur Echangeur de chaleur, notamment pour véhicule automobile
FR2742528A1 (fr) * 1995-12-13 1997-06-20 Valeo Thermique Moteur Sa Echangeur de chaleur a plaque collectrice renforcee, notamment pour vehicule automobile
WO2000033009A1 (fr) * 1998-11-30 2000-06-08 Valeo Thermique Moteur Procede d'assemblage d'un echangeur de chaleur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841470A1 (de) * 1988-12-09 1990-06-13 Sueddeutsche Kuehler Behr Wasserkastenklemmverbindung
DE4425238C2 (de) * 1994-07-16 1997-05-15 Laengerer & Reich Gmbh & Co Wärmeaustauscher, insbesondere Kühler
DE29611633U1 (de) * 1996-07-04 1997-10-30 Autokühler GmbH & Co KG, 34369 Hofgeismar Wärmeaustauscher
FR2805036B1 (fr) * 2000-02-10 2002-06-14 Valeo Thermique Moteur Sa Echangeur de chaleur avec joint d'etancheite ameliore, en particulier pour vehicule automobile
DE10016029A1 (de) * 2000-03-31 2001-10-04 Modine Mfg Co Wärmetauscher mit einer Vielzahl von Rohren
US7121329B2 (en) * 2001-10-30 2006-10-17 Modine Manufacturing Company Plastic tanked heat exchanger-side, header tank assembly
EP1450123A1 (fr) * 2003-02-20 2004-08-25 Behr France S.A.R.L. Echangeur de chaleur assemblé mécaniquement, en particulier pour véhicules automobiles
DE10335344A1 (de) * 2003-08-01 2005-03-10 Modine Mfg Co Kraftfahrzeugkühler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735337A1 (fr) * 1995-03-27 1996-10-02 Valeo Thermique Moteur Echangeur de chaleur, notamment pour véhicule automobile
FR2742528A1 (fr) * 1995-12-13 1997-06-20 Valeo Thermique Moteur Sa Echangeur de chaleur a plaque collectrice renforcee, notamment pour vehicule automobile
WO2000033009A1 (fr) * 1998-11-30 2000-06-08 Valeo Thermique Moteur Procede d'assemblage d'un echangeur de chaleur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2541184A1 (fr) * 2011-06-27 2013-01-02 Denso Corporation Matériau de joint pour échangeur de chaleur et échangeur de chaleur l'utilisant
WO2023046840A1 (fr) * 2021-09-24 2023-03-30 Sogefi Air & Cooling Dispositif de distribution de liquide caloporteur
FR3127562A1 (fr) * 2021-09-24 2023-03-31 Sogefi Air & Cooling Dispositif de distribution de liquide caloporteur

Also Published As

Publication number Publication date
ATE428901T1 (de) 2009-05-15
DE502007000590D1 (de) 2009-05-28
EP1811259B1 (fr) 2009-04-15
DE102006002854A1 (de) 2007-07-26

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