EP0672882A1 - Ailette pour échangeur de chaleur - Google Patents

Ailette pour échangeur de chaleur Download PDF

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Publication number
EP0672882A1
EP0672882A1 EP94120181A EP94120181A EP0672882A1 EP 0672882 A1 EP0672882 A1 EP 0672882A1 EP 94120181 A EP94120181 A EP 94120181A EP 94120181 A EP94120181 A EP 94120181A EP 0672882 A1 EP0672882 A1 EP 0672882A1
Authority
EP
European Patent Office
Prior art keywords
rib
lugs
passages
ribs
tubes
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
EP94120181A
Other languages
German (de)
English (en)
Other versions
EP0672882B1 (fr
Inventor
Werner Dipl.-Ing. Helms (Fh)
Roland Hemminger
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 EP0672882A1 publication Critical patent/EP0672882A1/fr
Application granted granted Critical
Publication of EP0672882B1 publication Critical patent/EP0672882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular 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
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements
    • F28F2275/125—Fastening; Joining by methods involving deformation of the elements by bringing elements together and expanding
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/454—Heat exchange having side-by-side conduits structure or conduit section
    • Y10S165/50—Side-by-side conduits with fins
    • Y10S165/501—Plate fins penetrated by plural conduits
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/454—Heat exchange having side-by-side conduits structure or conduit section
    • Y10S165/50—Side-by-side conduits with fins
    • Y10S165/501—Plate fins penetrated by plural conduits
    • Y10S165/502—Lanced
    • Y10S165/503—Angled louvers
    • 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
    • Y10T29/49377—Tube with heat transfer means
    • Y10T29/49378—Finned tube
    • Y10T29/4938—Common fin traverses plurality of tubes

Definitions

  • the invention relates to a fin for a heat exchanger according to the preamble of claim 1.
  • Such heat exchanger fins were known from DE-A-37 28 969 and also from DE-C-34 23 746.
  • the fin density or so-called fin pitch is decisive for the performance of a heat exchanger - for reasons of constant quality, this specified fin density must therefore be strictly observed, which is why certain spacers are provided for the positioning of the fins on the tubes.
  • the latter can either be formed as tabs protruding from the ribbed sheet, which then also act as turbulence generators, or by angled contact surfaces attached to the ends of the ribbed passages.
  • novel spacers in the form of lugs are partially embossed outwards from the wall of the passage, so that their upper edge forms a contact surface for the rib arranged above them.
  • the fact that several lugs are distributed over the circumference of the passage results in a good and stable support for the next rib.
  • the lugs are also easy to manufacture, since the additional step of folding after pulling through is eliminated.
  • the heat transfer is also ensured because the lugs are only partially provided and thus hardly restrict the heat transfer between the inner surface passage and the outer surface tube.
  • the invention being advantageously usable both for tubes with circular and also oval or elliptical cross sections.
  • the lugs advantageously have the shape of half pyramids or half cones, which are divided in the vertical and which widen upwards, that is to say in the direction of passage.
  • the lower tip of such a nose for example in the form of a half cone, is advantageously arranged somewhat above the fin plane, so that a continuous circumferential contact surface of a certain width is maintained between the tube and the fin passage for good heat transfer.
  • the lugs are embossed in tabs that protrude above the rest of the passage in terms of its height and thus determine the dimension of the rib division, ie the rib spacing.
  • the lugs offset from one another - this enables the maximum height of the tabs to be produced. If the rib spacing is smaller in relation to the pull-through width, the lugs or tabs can also lie opposite one another.
  • the invention also relates to a method for producing the passages with the lugs, which takes place in four or three successive work steps, the lugs being impressed either by a stamp stroke in the direction of passage or in the opposite direction.
  • Figure 1 shows a rib 1 in plan view with flat oval passages 2, which are arranged offset in two rows to one another, wherein each gill panels 3 are arranged between the passages 2.
  • the passages 2 take pipes, not shown, of the same cross section on, which are mechanically expanded compared to these passages and thereby establish the contact necessary for heat conduction or heat transfer.
  • the rib 1 essentially forms a flat surface 4.
  • Each passage 2 has - as will be explained in more detail below - three lugs 8, 9, 10.
  • the rib 1 is preferably made of aluminum or an aluminum alloy and has a thickness of approximately 0.1 mm.
  • Figure 2 shows a section II-II through the rib of Figure 1 in an enlarged form, so that in particular the known inclined gills of the gill panels 3 can be seen. They deflect the air sweeping over the fins, which increases the air-side heat transfer.
  • two passages 2 are shown in the side view, three tabs 5, 6, 7 each being recognizable, into which the lugs 8, 9, 10 are each stamped in the center.
  • the tabs 5, 6, 7 are thus arranged offset from one another, ie the tabs 5 and 7 are located at the front, and the tab 6 is located at the rear, ie on the rear longitudinal side of the passage 2.
  • a passage 2, also enlarged, is shown in FIG. 3 , namely in plan view a as a flat oval shape, from which the lugs 8, 9, 10 are clearly recognizable as bulges in the form of segments of a circle.
  • a dash-dotted line 11 is drawn in the interior of the flat oval passage 2, which delimits a punched-out section 12, so that the passage surface 2 'can be seen in the flat, not yet solid state.
  • Sections c and b of the passage are shown on the right and left of the passage a , the left illustration b showing the centrally arranged tab 6 with the nose 9 and the right illustration c showing the two off-center tabs 5 and 7 with the lugs 8 and 10.
  • the lugs 8, 9, 10 each have an outwardly sloping upper edge 8 ', 9', 10 ', which determines the distance H' (see FIG. 6) of the ribs. It is clear that the height H of the tabs 5, 6, 7 the height h of the rest of the passage exceeds - however, a continuous area 13 of height h is obtained, which rests on all sides on the outer circumference of the tube, so that a closed heat transfer surface is formed between the rib and tube, which also maintains the elastic tension required after expansion.
  • FIGS. 4a, 4b, 4c and 4d now - as already indicated in FIG. 3 by line 11 - show the individual process steps for producing the swipe according to the invention.
  • FIG. 4a shows the ribbed sheet 20 after punching, ie a strip 24 with rounded ends 22, 23 is cut out of the flat ribbed sheet 20 by means of a suitable punch, whereby offset tabs 25, 26, 27 are cut free.
  • FIG. 4b in the subsequent process step, tabs 28, 29, 30 are embossed into these tabs 25, 26, 27 by means of an embossing stamp, which are pyramid-shaped, that is to say are formed from two flat triangular surfaces inclined towards one another.
  • an embossing stamp which are pyramid-shaped, that is to say are formed from two flat triangular surfaces inclined towards one another.
  • the passage is completed, ie the collar 21 is pulled through by means of a stamp, not shown, so that it acquires a cylindrical shape (with a flat oval cross section) and the noses 25 ′′, 26 ′′, 27 ′′ as The triangles protrude outwards, which is made possible by corresponding cutouts 32, 33, 34 in the die.
  • the passages with the molded noses can be produced simply, quickly and with consistent quality.
  • FIGS. 4b and 4c Another method is also possible in which the method steps according to FIGS. 4b and 4c only take place at the end, namely by means of an embossing stamp that enters the finished passage from above.
  • FIG. 5 shows an enlarged section of a tube 40, on which ribs 41 to 45 are “threaded”.
  • This tube 40 is part of a heat exchanger (not shown in more detail), the tube shape and division and fin design of which could correspond to FIG.
  • the ribs 41 to 45 are mechanically joined to the tube 40, ie connected by expanding the tube 40 with respect to the rib passages by means of a metallic press fit. So there is no soldering or gluing, ie material connection is necessary.
  • FIG. 6 shows an enlargement of a section from FIG. 5, namely a part of the tube wall 40 and three rib cutouts 41, 42, 43 which, with their passages 46, 47, 48 of height h, lie closely and circumferentially on the tube 40, while their noses 49, 50 , 51 protrude from the outer wall of the tube 40 and determine the distance H 'between the ribs 41, 42, 43 with its upper edge.
  • the rib spacing H ' is slightly smaller than the height H of the tabs (see FIG. 3b, c) because the rib passage has a transition radius on which the lugs are supported.
  • FIGS. 5 and 6 show the finished tube / fin arrangement, ie after the tube 40 has been expanded in the mechanically finished state of the tube and fin passages.
  • Such fins which are connected to a bundle of parallel tubes, which in turn are received in tube sheets of collecting tanks, are used in particular in heat exchangers for motor vehicles, e.g. as a coolant / air cooler for the engine or as a heating heat exchanger.
  • heat exchangers for motor vehicles, e.g. as a coolant / air cooler for the engine or as a heating heat exchanger.
  • flat oval pipe cross-sections have an advantageous effect with regard to the air-side pressure drop.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP94120181A 1994-02-16 1994-12-20 Ailette pour échangeur de chaleur Expired - Lifetime EP0672882B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4404837A DE4404837A1 (de) 1994-02-16 1994-02-16 Rippe für Wärmetauscher
DE4404837 1994-02-16

Publications (2)

Publication Number Publication Date
EP0672882A1 true EP0672882A1 (fr) 1995-09-20
EP0672882B1 EP0672882B1 (fr) 1998-10-07

Family

ID=6510337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94120181A Expired - Lifetime EP0672882B1 (fr) 1994-02-16 1994-12-20 Ailette pour échangeur de chaleur

Country Status (4)

Country Link
US (2) US5582244A (fr)
EP (1) EP0672882B1 (fr)
DE (2) DE4404837A1 (fr)
ES (1) ES2123089T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803695A3 (fr) * 1996-04-25 1998-08-26 Denso Corporation Echangeur de chaleur avec ailettes à plaques
US5975200A (en) * 1997-04-23 1999-11-02 Denso Corporation Plate-fin type heat exchanger
EP1890101A1 (fr) * 2006-08-08 2008-02-20 Behr GmbH & Co. KG Ailette pour échangeur de chaleur, échangeur de chaleur avec une telle ailette et procédé pour fabriquer l'échangeur de chaleur

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752567A (en) * 1996-12-04 1998-05-19 York International Corporation Heat exchanger fin structure
DE19741856A1 (de) 1997-09-23 1999-03-25 Behr Gmbh & Co Rippe für einen Wärmeübertrager und Verfahren zur Herstellung von Rippendurchzügen in derartigen Rippen
DE29800739U1 (de) * 1998-01-17 1999-05-12 Robert Bosch Gmbh, 70469 Stuttgart Wärmeübertrager für brennstoffbeheizte Wassererhitzer
JP4188475B2 (ja) * 1998-12-22 2008-11-26 日高精機株式会社 熱交換器の製造方法
US6253839B1 (en) * 1999-03-10 2001-07-03 Ti Group Automotive Systems Corp. Refrigeration evaporator
FR2827801B1 (fr) * 2001-07-24 2003-10-31 Valeo Thermique Moteur Sa Procede de fabrication d'ailettes de refroidissement
DE10227930A1 (de) * 2002-06-21 2004-01-08 Behr Gmbh & Co. Wärmeübertrager, insbesondere für ein Kraftfahrzeug
JP4729840B2 (ja) * 2003-08-12 2011-07-20 セイコーエプソン株式会社 液体噴射ヘッドの製造方法およびそれによって得られた液体噴射ヘッド
US7004242B2 (en) * 2004-06-14 2006-02-28 Advanced Heat Transfer, Llc Enhanced heat exchanger apparatus and method
US20060218791A1 (en) * 2005-03-29 2006-10-05 John Lamkin Fin-tube heat exchanger collar, and method of making same
US20090044408A1 (en) * 2005-03-29 2009-02-19 John Lamkin Fin-Tube Heat Exchanger Collar, and Method of Making Same
US7273094B2 (en) * 2005-07-27 2007-09-25 Asia Vitag Components Co. Ltd. Cooling fin unit
US10415894B2 (en) * 2006-01-26 2019-09-17 Ingersoll-Rand Company Fin and tube heat exchanger
US8166776B2 (en) 2007-07-27 2012-05-01 Johnson Controls Technology Company Multichannel heat exchanger
US20100006276A1 (en) * 2008-07-11 2010-01-14 Johnson Controls Technology Company Multichannel Heat Exchanger
US20110030932A1 (en) * 2009-08-07 2011-02-10 Johnson Controls Technology Company Multichannel heat exchanger fins
FR2958027B1 (fr) * 2010-03-25 2012-03-23 Valeo Systemes Thermiques Ailette pour echangeur de chaleur et echangeur de chaleur equipe de telles ailettes.
DE102011075071A1 (de) * 2011-05-02 2012-11-08 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Ladeluftkühler
WO2013069299A1 (fr) * 2011-11-10 2013-05-16 パナソニック株式会社 Ailette de transfert de chaleur, échangeur de chaleur à tube à ailettes et dispositif de pompe à chaleur
DE102012002234A1 (de) 2012-02-04 2013-08-08 Volkswagen Aktiengesellschaft Wärmetauscher mit mehreren Lamellen und Verfahren zur Herstellung einer Lamelle für einen Wärmetauscher
WO2014091536A1 (fr) * 2012-12-10 2014-06-19 三菱電機株式会社 Dispositif d'échange de chaleur à tube plat
JP6314106B2 (ja) * 2015-03-16 2018-04-18 リンナイ株式会社 熱交換器用の伝熱フィン、及びそれを備えた熱交換器
FR3037388B1 (fr) * 2015-06-12 2019-07-26 Valeo Systemes Thermiques Ailette d'un echangeur thermique notamment pour vehicule automobile, et echangeur thermique correspondant
FR3038977B1 (fr) * 2015-07-17 2019-08-30 Valeo Systemes Thermiques Echangeur de chaleur a ailettes comprenant des persiennes ameliorees
FR3038976B1 (fr) * 2015-07-17 2019-08-09 Valeo Systemes Thermiques Echangeur de chaleur a ailettes comprenant des persiennes ameliorees
JP6479252B2 (ja) * 2016-02-24 2019-03-06 三菱電機株式会社 熱交換器
US11313630B2 (en) * 2016-07-01 2022-04-26 Mitsubishi Electric Corporation Heat exchanger and refrigeration cycle apparatus having heat exchanger
JP2020535384A (ja) * 2017-09-30 2020-12-03 サンホワ（ハンチョウ） マイクロ チャンネル ヒート イクスチェンジャー カンパニー リミテッド 熱交換器及びフィン
JP6656279B2 (ja) * 2018-02-15 2020-03-04 三菱電機株式会社 熱交換器
CA3036460A1 (fr) * 2018-03-14 2019-09-14 Rheem Manufacturing Company Ailette d'echangeur thermique
US11774187B2 (en) * 2018-04-19 2023-10-03 Kyungdong Navien Co., Ltd. Heat transfer fin of fin-tube type heat exchanger
USD906268S1 (en) 2018-09-11 2020-12-29 Rheem Manufacturing Company Heat exchanger fin
TWM586379U (zh) * 2018-11-14 2019-11-11 訊凱國際股份有限公司 散熱器與散熱鰭片
EP3686714A1 (fr) * 2019-01-25 2020-07-29 Asetek Danmark A/S Système de refroidissement comprenant une unité d'échange de chaleur
GB2629104A (en) * 2021-12-14 2024-10-16 Kyungdong Navien Co Ltd Fins and heat exchanger comprising same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1075272A (en) * 1963-06-27 1967-07-12 Chausson Usines Sa Improvements in or relating to heat exchanger cores
GB1174402A (en) * 1966-06-03 1969-12-17 English Electric Co Ltd Heat Exchangers.
GB2088035A (en) * 1980-10-22 1982-06-03 Serck Industries Ltd Finned-tube heat exchanger

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT127067B (de) * 1930-06-02 1932-02-25 E H Hugo Dr Ing Junkers Auf Rohre aufzuschiebende Rippe für Wärmeaustauscher.
FR1028904A (fr) * 1950-10-26 1953-05-28 élément échangeur de température pour applications industrielles
GB775675A (en) * 1954-05-31 1957-05-29 Lawrence Holdings Overseas Ltd Improvements in finned tube core structures for heat exchangers
US3245465A (en) * 1964-12-09 1966-04-12 Young Radiator Co Heat-exchanger core-unit construction
US3771595A (en) * 1971-09-22 1973-11-13 Modine Mfg Co Heat exchange device
JPS589358B2 (ja) * 1975-10-22 1983-02-21 三洋電機株式会社 ネツコウカンキノセイゾウホウホウ
JPS5267047A (en) * 1975-11-28 1977-06-03 Hitachi Ltd Method of manufacturing fins for air exchanger
JPS55107897A (en) * 1979-02-09 1980-08-19 Nippon Denso Co Ltd Heat exchanger
GB2047399B (en) * 1979-04-20 1982-12-08 Du Pont Fabrication of finned-tube heat exchangers
JPS58127092A (ja) * 1982-01-25 1983-07-28 Nippon Denso Co Ltd 熱交換器及びその製法
JPS6449892A (en) * 1987-08-20 1989-02-27 Fujitsu General Ltd Heat exchanger
DE3910357A1 (de) * 1989-03-30 1990-10-04 Autokuehler Gmbh & Co Kg Leitblech fuer einen waermetauscher und daraus hergestelltes waermetauschernetz
AT394108B (de) * 1990-07-31 1992-02-10 Vaillant Gmbh Lamellenblock-waermetauscher
DE4129573C2 (de) * 1991-09-06 1997-10-23 Behr Gmbh & Co Wärmetauscher

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1075272A (en) * 1963-06-27 1967-07-12 Chausson Usines Sa Improvements in or relating to heat exchanger cores
GB1174402A (en) * 1966-06-03 1969-12-17 English Electric Co Ltd Heat Exchangers.
GB2088035A (en) * 1980-10-22 1982-06-03 Serck Industries Ltd Finned-tube heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803695A3 (fr) * 1996-04-25 1998-08-26 Denso Corporation Echangeur de chaleur avec ailettes à plaques
US5975200A (en) * 1997-04-23 1999-11-02 Denso Corporation Plate-fin type heat exchanger
EP1890101A1 (fr) * 2006-08-08 2008-02-20 Behr GmbH & Co. KG Ailette pour échangeur de chaleur, échangeur de chaleur avec une telle ailette et procédé pour fabriquer l'échangeur de chaleur

Also Published As

Publication number Publication date
US5706695A (en) 1998-01-13
ES2123089T3 (es) 1999-01-01
DE4404837A1 (de) 1995-08-17
DE59407053D1 (de) 1998-11-12
US5582244A (en) 1996-12-10
EP0672882B1 (fr) 1998-10-07

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