EP3040669B1 - Ailette de turbulateur pour un ensemble tubes-ailettes pour un échangeur de chaleur et rouleau de formation d'ailette conçu pour former ladite ailette de turbulateur - Google Patents

Ailette de turbulateur pour un ensemble tubes-ailettes pour un échangeur de chaleur et rouleau de formation d'ailette conçu pour former ladite ailette de turbulateur Download PDF

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Publication number
EP3040669B1
EP3040669B1 EP15202900.5A EP15202900A EP3040669B1 EP 3040669 B1 EP3040669 B1 EP 3040669B1 EP 15202900 A EP15202900 A EP 15202900A EP 3040669 B1 EP3040669 B1 EP 3040669B1
Authority
EP
European Patent Office
Prior art keywords
fin
turbulator
fold
tube
assembly
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.)
Revoked
Application number
EP15202900.5A
Other languages
German (de)
English (en)
Other versions
EP3040669A1 (fr
Inventor
Dawid Szostek
Boleslaw Kurowski
Jacek Zurek
Maciej Bednarczyk
Benjamin Farlay
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.)
Valeo Systemes Thermiques SAS
Valeo Autosystemy Sp zoo
Original Assignee
Valeo Systemes Thermiques SAS
Valeo Autosystemy Sp zoo
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55066431&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3040669(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valeo Systemes Thermiques SAS, Valeo Autosystemy Sp zoo filed Critical Valeo Systemes Thermiques SAS
Publication of EP3040669A1 publication Critical patent/EP3040669A1/fr
Application granted granted Critical
Publication of EP3040669B1 publication Critical patent/EP3040669B1/fr
Revoked 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like 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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element

Definitions

  • the present disclosure relates to a turbulator fin for a tube-fin assembly adapted to be used in a heat exchanger according to the peramble of independent claim 1. More particularly, the present disclosure relates to a turbulator fin and tube-fin assembly for a Charge Air Cooler (CAC) for use in the automotive industry.
  • CAC Charge Air Cooler
  • the disclosure also relates to a fin forming roll for forming a turbulator fin for the tube-fin assembly according to the preamble of independent claim 6.
  • the air used for the engine combustion is compressed in order to increase its density.
  • the thermodynamic effect of this compression is an increase in the temperature of the compressed air. If the compressed air is not cooled to a sufficient level, the engine combustion may not be efficient, or the combustion engine may not operate at all.
  • CAC Charge Air Cooler
  • Charge Air Coolers which comprise heat exchangers comprising tubes for guiding air through the heat exchangers, wherein the tubes are internally provided with turbulator fins.
  • DE 10 2006 050319 A1 discloses a turbulator fin for a tube-fin assembly according to the preamble of claim 1.
  • a turbulator fin normally comprises a folded metal sheet and serves for improving the heat exchange inside the heat exchanger. Each of the folds is provided with louvers to avoid laminar flow along the surface of the turbulator fin.
  • the tubes of a Charge Air Cooler have a rectangular cross section.
  • the turbulator fin has dimensions that fill the inside of the tube as much as possible.
  • Tubes for Charge Air Coolers are produced by means of electric welding or folding.
  • the result of such production processes is that the resulting tube height in the corners of the tube is reduced when compared to the remaining part of the tubes.
  • the present disclosure is directed to a turbulator fin for a tube-fin assembly adapted for a heat exchanger, according to claim 1.
  • the fold height of the end fold on both transverse sides of the sheet is reduced with respect to the fixed fold height.
  • the fold height of the folds towards at least one transverse side of the sheet decreases.
  • the disclosure relates to an assembly of a tube for a heat exchanger and a turbulator fin, wherein the assembly comprises a turbulator fin according to the present disclosure.
  • the disclosure relates to a heat exchanger comprising the assembly according to the disclosure.
  • the disclosure relates to a fin forming roll for forming a turbulator fin for a tube-fin assembly according to the present disclosure, wherein the roll comprises a plurality of folding dents, the folding dents essentially being triangular shaped, the fin forming roll being adapted to cooperate with a second fin forming roll to form a fin forming mill, characterized in that, the fin forming roll comprises at least a first and an adjacent second folding dent having a truncated top end.
  • CAC Charge Air Cooler
  • intercooler refers to the fact that heat exchange is performed in between two stages of compression, i.e. between compression in the compressor and compression in the cylinder of the engine.
  • aftercooler refers to the charge air being cooled after being compressed in the compressor.
  • FIG 1 shows a front end of turbulator fin 10 according to the present disclosure.
  • the turbulator fin 10 comprises a plurality of folds wherein each fold is delimited by upper fold lines 11 and lower fold lines 12.
  • a first fold has, together with an adjacent fold, essentially the form of a V or inversed V.
  • the turbulator fin 10 From one transverse side of the turbulator fin (the left in Figure 1 ) to a second transverse side of the turbulator fin (the right in Figure 1 ), the turbulator fin 10 has a turbulator tube height (Th) which is chosen to coincide with the interior of a cooling tube as shown with reference to Figures 2 and 3 .
  • Th turbulator tube height
  • Each fold has a fold height which is fixed for all folds of the turbulator fin 10 in order to provide the turbulator fin with the required turbulator tube height (Th).
  • the folds forming the transverse side of the turbulator fin 10 comprise a different fold height (hr). As shown in Figure 1 , folds 23 and 24 forming the transverse side of the sheet at the left hand side of Figure 1 have a different fold height than the remaining folds 21, 22 over the width of the fin adjacent folds which together essentially have the form of a V or an inversed V.
  • Figure 2 shows an assembly of a tube 30 having in its interior the turbulator fin 10 according to Figure 1 .
  • the corners 32 and 33 of the tube 30 provide the interior at the transverse side of the tube 30 seen at the left hand side of Figure 2 with reduced inside height.
  • the turbulator fin 10 can efficiently fill up the interior space of the tube 30 due to the reduced fold height (hr) of the folds 23, 24.
  • the tube 30 according to Figure 2 is, for instance, a tube 30 obtained by means of electric welding.
  • a cooling tube 40 is shown having in its interior the turbulator fin 10 according to Figure 1 .
  • the cooling tube 40 is obtained by means of folding, wherein the transverse side of the tube shows a first folding lip 41 and a second folding lip 42 which together form the outside wall of the tube 40.
  • the inside of the cooling tube 40 has a reduced height.
  • the turbulator fin 10 is capable of efficiently filling up the interior space of the cooling tube 40 because of the reduced height (hr) of folds 23 and 24.
  • FIG 4 a step in the production of a first and a second turbulator fin 10 according to the present disclosure is shown.
  • the turbulator fin 10 shown on the right hand side of Figure 4 is connected to the turbulator fin 10 shown on the left hand side and can be separated by cutting the two elements apart according to the cutting line 50.
  • Both turbulator fins 10 as shown in Figure 4 are obtained by folding a thin metal sheet by means of a folding mill with a first and a second cooperating forming roll.
  • An example of a roll to be used to obtain the turbulator fin 10 according to the present disclosure is shown in Figure 5 .
  • Figure 5 shows a first roll 60 and a second roll 70 of a pair of rolls which are together capable of forming a turbulator fin 10.
  • the roll 60 is provided at its circumference with a plurality of forming dents 61.
  • the forming dents are triangular shaped.
  • at least two adjacent dents 62, 63 have a truncated top.
  • the area between the dents 62, 63 may be filled up with element 64 to allow obtaining a folded sheet as shown in Figure 4 .
  • the second roll 70 has a corresponding shape with folding dents 71 and one truncated folding dent 72.
  • the roll 60 may be provided with a cutting element 65 to provide the cutting according to the cutting line 50 as mentioned with reference to Figure 4 .
  • the cutting according to the cutting line 50 may be executed in a further production process after completion of the forming of the metal sheet by means of rolls 60 and 70.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (6)

  1. Ailette de turbulateur (10) pour un ensemble tube-ailette conçu pour un échangeur thermique, l'ailette de turbulateur (10) comprenant une feuille ondulée avec une pluralité de plis adjacents (21, 22) entre un premier côté transversal de la feuille et un second côté transversal de la feuille, chaque pli ayant une hauteur de pli fixe délimitée par des lignes de pli adjacent (11, 12) et chaque pli ayant une longueur de pli s'étendant dans la direction longitudinale de la feuille, le pli d'extrémité (23) formant le bord de la feuille d'au moins un côté transversal de la feuille ayant une hauteur de pli (hr) réduite comparée à la hauteur de pli fixe, caractérisée en ce que l'ensemble de deux plis adjacents (21, 22) prend essentiellement une forme de V, où l'ensemble de l'au moins un pli d'extrémité (23) avec hauteur de pli (hr) réduite et son pli adjacent (24) prennent essentiellement la forme d'un V tronqué.
  2. Ailette de turbulateur (10) selon la revendication 1, dans laquelle la hauteur de pli (hr) du pli d'extrémité (23) sur les deux côtés transversaux de la feuille est réduite par rapport à la hauteur de pli fixe (h).
  3. Ailette de turbulateur (10) selon la revendication 1 ou 2, dans laquelle la hauteur de pli des plis diminue en direction d'au moins un côté transversal de la feuille.
  4. Ensemble d'un tube (30, 40) pour un échangeur thermique et une ailette de turbulateur (10), dans lequel l'ensemble comprend une ailette de turbulateur (10) selon l'une quelconque des revendications précédentes.
  5. Échangeur thermique comprenant l'ensemble selon la revendication 4.
  6. Rouleau (60) formant ailette pour former une ailette de turbulateur pour un ensemble tube-ailette selon l'une quelconque des revendications 1 à 4, dans lequel le rouleau (60) comprend une pluralité de dents de pliage (61) ; les dents de pliage (61) prenant pour l'essentiel une forme triangulaire, le rouleau (60) formant ailette étant conçu pour coopérer avec un second rouleau (70) formant ailette pour former un laminoir formant ailette, caractérisé en ce que le rouleau (60) formant ailette comprend au moins une première (62) et une seconde dent de pliage (63) adjacente ayant une extrémité supérieure tronquée.
EP15202900.5A 2014-12-30 2015-12-29 Ailette de turbulateur pour un ensemble tubes-ailettes pour un échangeur de chaleur et rouleau de formation d'ailette conçu pour former ladite ailette de turbulateur Revoked EP3040669B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL410816A PL228722B1 (pl) 2014-12-30 2014-12-30 Żebro turbulizujące dla zespołu rurowo-żebrowego przystosowanego dla wymiennika ciepła, walec kształtujący żebro turbulizujące oraz zespół składający się z rury dla wymiennika ciepła i żebra turbulizującego oraz wymiennik ciepła

Publications (2)

Publication Number Publication Date
EP3040669A1 EP3040669A1 (fr) 2016-07-06
EP3040669B1 true EP3040669B1 (fr) 2017-08-16

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ID=55066431

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Application Number Title Priority Date Filing Date
EP15202900.5A Revoked EP3040669B1 (fr) 2014-12-30 2015-12-29 Ailette de turbulateur pour un ensemble tubes-ailettes pour un échangeur de chaleur et rouleau de formation d'ailette conçu pour former ladite ailette de turbulateur

Country Status (2)

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EP (1) EP3040669B1 (fr)
PL (1) PL228722B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3521745B1 (fr) * 2018-02-06 2022-10-05 Valeo Autosystemy SP. Z.O.O. Ensemble ailette et tube plat d'un échangeur de chaleur
EP4343253A1 (fr) * 2022-09-20 2024-03-27 Alfa Laval Corporate AB Procédé d'assemblage d'un échangeur de chaleur à plaques et à ailettes et échangeur de chaleur à plaques et à ailettes

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688311A (en) 1986-03-03 1987-08-25 Modine Manufacturing Company Method of making a heat exchanger
JP2000097589A (ja) 1998-09-24 2000-04-04 Showa Alum Corp 熱交換器用チューブ
EP1090700A2 (fr) 1999-10-08 2001-04-11 Calsonic Kansei Corporation Bande formée et formage par profileuse
JP2003336989A (ja) 2002-05-15 2003-11-28 Denso Corp 熱交換器用チューブ及びその製造方法
DE102005050366A1 (de) 2004-10-25 2006-04-27 Denso Corp., Kariya Wärmeaustauscher und Verfahren zu seiner Herstellung
DE102006050319A1 (de) 2005-10-28 2007-05-03 Denso Corp., Kariya Wärmeaustauscherrohr und Verfahren zu seiner Herstellung
DE102006006670A1 (de) 2006-02-14 2007-08-23 Modine Manufacturing Co., Racine Flachrohr für Wärmetauscher
DE102007033177A1 (de) 2007-07-17 2009-01-22 Modine Manufacturing Co., Racine Kühlflüssigkeitskühler
DE102008013018A1 (de) 2008-03-07 2009-09-10 Modine Manufacturing Co., Racine Flaches Wärmetauscherrohr
DE102012211350A1 (de) 2012-06-29 2014-01-02 Behr Gmbh & Co. Kg Flachrohr und Wärmeübertrager mit einem solchen Flachrohr

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688311A (en) 1986-03-03 1987-08-25 Modine Manufacturing Company Method of making a heat exchanger
JP2000097589A (ja) 1998-09-24 2000-04-04 Showa Alum Corp 熱交換器用チューブ
EP1090700A2 (fr) 1999-10-08 2001-04-11 Calsonic Kansei Corporation Bande formée et formage par profileuse
JP2003336989A (ja) 2002-05-15 2003-11-28 Denso Corp 熱交換器用チューブ及びその製造方法
DE102005050366A1 (de) 2004-10-25 2006-04-27 Denso Corp., Kariya Wärmeaustauscher und Verfahren zu seiner Herstellung
DE102006050319A1 (de) 2005-10-28 2007-05-03 Denso Corp., Kariya Wärmeaustauscherrohr und Verfahren zu seiner Herstellung
US20070095514A1 (en) 2005-10-28 2007-05-03 Denso Corporation Tube for heat exchanger and method of manufacturing the same
DE102006006670A1 (de) 2006-02-14 2007-08-23 Modine Manufacturing Co., Racine Flachrohr für Wärmetauscher
DE102007033177A1 (de) 2007-07-17 2009-01-22 Modine Manufacturing Co., Racine Kühlflüssigkeitskühler
DE102008013018A1 (de) 2008-03-07 2009-09-10 Modine Manufacturing Co., Racine Flaches Wärmetauscherrohr
DE102012211350A1 (de) 2012-06-29 2014-01-02 Behr Gmbh & Co. Kg Flachrohr und Wärmeübertrager mit einem solchen Flachrohr

Also Published As

Publication number Publication date
EP3040669A1 (fr) 2016-07-06
PL228722B1 (pl) 2018-04-30
PL410816A1 (pl) 2016-07-04

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