EP2342523B1 - Rippe für einen wärmetauscher und wärmetauscher mit einer solchen rippe - Google Patents

Rippe für einen wärmetauscher und wärmetauscher mit einer solchen rippe Download PDF

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Publication number
EP2342523B1
EP2342523B1 EP09823102.0A EP09823102A EP2342523B1 EP 2342523 B1 EP2342523 B1 EP 2342523B1 EP 09823102 A EP09823102 A EP 09823102A EP 2342523 B1 EP2342523 B1 EP 2342523B1
Authority
EP
European Patent Office
Prior art keywords
fin
heat exchanger
tubes
hole
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.)
Active
Application number
EP09823102.0A
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English (en)
French (fr)
Other versions
EP2342523A1 (de
Inventor
Patrick Boisselle
Erwan Vigneras
Gérard Gille
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
Original Assignee
Valeo Systemes Thermiques SAS
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Publication date
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP2342523A1 publication Critical patent/EP2342523A1/de
Application granted granted Critical
Publication of EP2342523B1 publication Critical patent/EP2342523B1/de
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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
    • 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
    • F28F2240/00—Spacing means

Definitions

  • the invention relates to a fin for heat exchanger according to the preamble of claim 1 and a heat exchanger comprising such a fin.
  • Such a fin is known, for example, from FIG. EP 0 903 555 A2 .
  • a fin for a heat exchanger comprising a body provided with at least one hole for the passage of a tube of the heat exchanger and a means called spacing, fin in which the hole has an outline with two so-called large sides and two so-called small sides, and, wherein the spacing means is located on a small side of the contour of the passage hole of the tube.
  • Such a fin is used in a so-called mechanical type exchanger with reference to its method of assembly, for example an engine cooling radiator.
  • a mechanical type heat exchanger is generally composed of at least one heat exchange bundle comprising tubes and heat exchange elements, called fins.
  • the fins are placed parallel to each other and perpendicular to the tubes. In other words, the fins are superimposed on each other.
  • the fins are pierced with holes allowing the passage of the tubes, the number of holes being equal to the number of tubes of said row.
  • Maintaining the tubes-aillettes beam is made mechanically by means of a tool, also called olive, introduced inside the tubes so as to deform the walls of the tubes and forcibly apply against the holes made in the fins.
  • a tool also called olive
  • the fins are spaced two by two in a separation step, of the order of a millimeter, for example.
  • the ends of the tubes are then each inserted in a collector plate provided with openings for receiving the tubes.
  • the collector plates are subsequently capped by lids so as to form collector boxes.
  • a fin as described above is particularly known from the document US 3,771,595 .
  • the step of separation between two adjacent fins is carried out by means of spacing means.
  • This spacing means is obtained by cutting and perforating the metal strip constituting the fin in an identical cut the shape of the section of the tubes, while sparing pieces of material around the perimeter of the cut. These pieces of material, also called collars, are then raised to form the spacing means.
  • the heat exchanger of the document US 3,771,595 have oval section tubes.
  • the passage holes for the tubes of the fin are therefore also oval with two perpendicular axes of symmetry respectively having a large and a small dimension.
  • these fins have the disadvantage of being unable to be applied to heat exchangers in which the separation pitch between two fins is greater than the smallest dimension of the passage hole for the tube of the heat exchanger.
  • the separation pitch of the fin can not be greater than the small size of the passage hole of the tube.
  • the separation step is limited by the height of the collar.
  • the invention proposes a fin according to claim 1.
  • Such a fin makes it possible to obtain a separation pitch greater than the smallest dimension of the tube passage and this taking into account a possible recalibration of the separation step.
  • the bearing surface is located in the extension of the spacer means, which allows to adjust the separation step regardless of the height of the spacer or collar.
  • the invention also relates to a heat exchanger comprising at least one fin as described above and wherein the fin is traversed by heat exchange tubes.
  • a heat exchanger 1 of the mechanical type comprises two manifolds 2.
  • the manifolds 2 are placed in communication via at least one set of aligned tubes 4, in which a coolant circulates.
  • the heat exchanger 1 may in particular be used as a cooling radiator of the engine coolant.
  • the coolant is engine coolant such as, for example, water with added glycol.
  • the tubes 4 are oblong with two so-called large sides and two so-called small sides, the short sides being rounded.
  • the large opposite sides each have a concavity.
  • This form of tube is also called “bean” or "peanut” form.
  • the tubes 4 are aligned in parallel in a direction said first direction.
  • the first direction is, here, perpendicular to the direction of a flow of air F through the heat exchanger. In other words, the tubes are superimposed on each other in a first direction.
  • the coolant circulating in the tubes 4 exchanges calories with the air flow F.
  • a fin 6 is intended to be traversed by the air flow in a given direction said second direction.
  • the fins 6 are arranged transversely to the axis of the tubes 4 and parallel to the manifolds 2. In other words, the fins 6 are superimposed on each other, the distance separating two adjacent fins being designated by separation step.
  • the direction of superposition of the fins 6 is perpendicular to the direction of superposition of tubes 4.
  • the fins 6 are metal strips of substantially rectangular shape and have dimensions in width and length substantially equal to those of the manifolds 2. Each fin 6 extends substantially along a plane called general extension plane.
  • a fin 6 comprises a body provided with at least one hole 8 for the passage of a tube 4 of the heat exchanger 1. This hole is shown in FIG. figure 3 of this application.
  • the hole 8 has an outline, here elongated corresponding to the shape of the tube 4 passing through the fin 6.
  • the outline of the tube 8 comprises two so-called long sides 10 and two so-called small sides 12.
  • the contour of the hole 8 has, here, an oblong shape where each of the two long sides 10 has a concavity.
  • oblong shape means a shape longer than wide and having at both ends a rounded portion.
  • the fin 6 further comprises a so-called spacing means 14.
  • the spacing means 14, also called pin, is, here, located on a small side 12 of the contour of the passage hole 8 of the tube 4.
  • the spacing means 14 is placed perpendicular to the direction of the air flow F.
  • the spacing means 14 extends from the body of the metal band constituting the fin and this in a plane different from the general plane of extension of the fin 6.
  • the spacing means 14 extends substantially perpendicular to the general extension plane of the fin.
  • the spacing means 14 is here made from the material of the fin body 6.
  • the spacing means 14 is obtained by, in particular, punching and lifting the metal forming the fin 6. During punching, it is expected to leave two strands of material, these two strands are then raised to form the means of spacing 14.
  • the spacing means or collar 14 defines the separation step between two adjacent fins of the heat exchange bundle. As a reminder, separation step means the distance separating two fins in the direction of stacking them in the heat exchanger.
  • the collar 14 further comprises a surface 16 adapted to support another fin.
  • the spacing means 14 is provided with an outgrowth 16 extending in a plane different from the plane of extension of the latter.
  • the protrusion or bearing surface 16 of the spacer means extends substantially parallel to the general extension plane of the fin 6. This protrusion allows the maintenance of a regular separation pitch between the fins 6 of the heat exchanger 1.
  • a surface 16 adapted to support another fin can be seen as a protuberance unfolding in a plane different from that of the collar 14.
  • the surface 16 adapted to support another fin is made in the form of a raised edge or tongue 16.
  • the spacing means 14 has an end connected to the fin 6 and a the distal end of the end connected to the fin 6.
  • the distal end of the spacer means 14 comprises the bearing surface 16, which here extends substantially parallel to the general extension plane of the fin 6.
  • the tongue 16 is in the extension of the spacing means 14 and is substantially elongate in shape, flat and narrow.
  • the connection between the spacing means 14 and the tongue 16 is effected via, here, a radiated part.
  • the tongue 16 is connected to the collar 14.
  • the tongue 16 is made of material material from the spacing means 14 and the body of the fin 6.
  • the surface 16 adapted to support another fin is obtained by rolling out the two strands of material forming the spacing means 14. This rolling is obtained using a radially punched.
  • a fin 6 according to the invention thus makes it possible to reuse a part of the material which is normally discarded after punching to create the hole 8 for the tube. It will be noted that this additional material stored on the exchanger and in contact with the tube is only beneficial for heat exchange.
  • the fin 6 further comprises at least one means 18 capable of disturbing the flow of air F.
  • the means 18 capable of disturbing the flow of air F is formed by louvers parallel to the direction of the air flow F.
  • the punching is carried out using punches adapted to the shape of the tube.
  • the punches used have a form called peanuts.
  • Additional manufacturing steps may be provided in which the height of the strands of material 14 is calibrated to obtain the desired pitch by means of a shaving pile and / or forming transverse slits in order to obtain the average 18 capable of disturbing the flow of air, and / or splitting the metal strip to obtain at least two metal strips.

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)

Claims (6)

  1. Rippe (6) für einen Wärmetauscher, umfassend einen Körper, der mit mindestens einem Loch (8) für den Durchgang eines Rohrs (4) des Wärmetauschers (1) versehen ist, und ein Mittel (14), das als Abstandshalter bezeichnet wird, wobei das Loch (8) eine Kontur mit zwei als groß bezeichneten Seiten (10) und zwei als klein bezeichneten Seiten (12) aufweist, und wobei das Abstandshaltermittel (14) auf einer kleinen Seite (12) der Kontur des Lochs (8) für den Durchgang des Rohrs (4) angeordnet ist, wobei das Abstandshaltermittel (14) eine Anlagefläche (16) umfasst, welche geeignet ist, eine andere Rippe zu stützen, und in der Form eines erhöhten Rands (16) im Wesentlichen parallel zu einer Ebene ausgeführt ist, die als allgemeine Verlängerung der Rippe bezeichnet wird, dadurch gekennzeichnet, dass das Abstandshaltermittel (14) eine Trennstufe zwischen der Rippe und einer benachbarten Rippe des Wärmetauschers definiert, die größer ist als die kleinste Abmessung des Lochs (8).
  2. Rippe nach dem vorhergehenden Anspruch, wobei die Anlagefläche (16), die geeignet ist, eine andere Rippe zu stützen, aus demselben Material wie das Abstandshaltermittel (14) hergestellt ist.
  3. Rippe nach Anspruch 1 oder 2, ferner umfassend mindestens ein Mittel (18), das geeignet ist, einen Luftstrom (F), der die Rippe (6) durchquert, zu verwirbeln.
  4. Rippe nach dem vorhergehenden Anspruch, wobei das Mittel (18), das geeignet ist, den Luftstrom zu verwirbeln, durch Klappen gebildet wird, wobei die Klappen parallel zur Richtung des Luftstroms (F) sind.
  5. Wärmetauscher (1), umfassend mindestens eine Rippe (6) nach einem der vorhergehenden Ansprüche, wobei die Rippe von Rohren (4) durchquert wird, in denen ein Wärmeübertragungsfluid zirkuliert.
  6. Wärmetauscher nach dem vorhergehenden Anspruch, wobei die Rohre (4) eine längliche Form aufweisen.
EP09823102.0A 2008-10-29 2009-10-12 Rippe für einen wärmetauscher und wärmetauscher mit einer solchen rippe Active EP2342523B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0806005A FR2937719B1 (fr) 2008-10-29 2008-10-29 Ailette pour echangeur de chaleur et echangeur de chaleur comportant une telle ailette
PCT/EP2009/063256 WO2010049261A1 (fr) 2008-10-29 2009-10-12 Ailette pour echangeur de chaleur et echangeur de chaleur comportant une telle ailette

Publications (2)

Publication Number Publication Date
EP2342523A1 EP2342523A1 (de) 2011-07-13
EP2342523B1 true EP2342523B1 (de) 2017-04-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09823102.0A Active EP2342523B1 (de) 2008-10-29 2009-10-12 Rippe für einen wärmetauscher und wärmetauscher mit einer solchen rippe

Country Status (6)

Country Link
EP (1) EP2342523B1 (de)
CN (1) CN102272547A (de)
BR (1) BRPI0920049B1 (de)
FR (1) FR2937719B1 (de)
MX (1) MX2011004502A (de)
WO (1) WO2010049261A1 (de)

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EP3862713A4 (de) * 2018-11-07 2021-12-01 Daikin Industries, Ltd. Wärmetauscher und klimaanlage

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CN106918261B (zh) * 2015-12-25 2022-03-08 浙江盾安热工科技有限公司 一种翅片及热交换器
EP3257869B1 (de) 2016-06-17 2019-01-23 Trinseo Europe GmbH Silanvermittelte verbesserung der gummilagerstabilität
US11365309B2 (en) 2016-08-17 2022-06-21 Continental Reifen Deutschland Gmbh Rubber blend, sulfur-crosslinkable rubber mixture, and vehicle tire
US20210363333A1 (en) 2016-08-17 2021-11-25 Continental Reifen Deutschland Gmbh Rubber blend, sulfur-crosslinkable rubber mixture, and vehicle tire
EP3330657B1 (de) 2016-12-01 2020-10-28 Modine Manufacturing Company Luftrippe für einen wärmetauscher und verfahren zur herstellung davon
DE102017211247A1 (de) 2017-07-03 2019-01-03 Continental Reifen Deutschland Gmbh Schwefelvernetzbare Kautschukmischung
PL3434699T3 (pl) 2017-07-27 2020-05-18 Trinseo Europe Gmbh Zastosowanie określonych monomerów aminosililowych w produkcji kauczuku
DE102017218948A1 (de) 2017-10-24 2019-04-25 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
DE102018217197A1 (de) 2018-10-09 2020-04-09 Continental Reifen Deutschland Gmbh Schwefelvernetzbare Kautschukmischung
DE102018221587A1 (de) 2018-12-13 2020-06-18 Continental Reifen Deutschland Gmbh Spike und Fahrzeugluftreifen
DE102020204151A1 (de) 2020-03-31 2021-09-30 Continental Reifen Deutschland Gmbh Schwefelvernetzbare Gummierungsmischung
DE102020204152A1 (de) 2020-03-31 2021-09-30 Continental Reifen Deutschland Gmbh Schwefelvernetzbare Gummierungsmischung
EP3907254A1 (de) 2020-05-05 2021-11-10 Continental Reifen Deutschland GmbH Schwefelvernetzbare gummierungsmischung
EP3907257A1 (de) 2020-05-05 2021-11-10 Continental Reifen Deutschland GmbH Schwefelvernetzbare gummierungsmischung
DE102020209894A1 (de) 2020-08-05 2022-02-10 Continental Reifen Deutschland Gmbh Schwefelvernetzbare Kautschukmischung und Fahrzeugluftreifen
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Also Published As

Publication number Publication date
FR2937719B1 (fr) 2013-12-27
BRPI0920049B1 (pt) 2022-05-10
FR2937719A1 (fr) 2010-04-30
MX2011004502A (es) 2011-05-24
CN102272547A (zh) 2011-12-07
EP2342523A1 (de) 2011-07-13
WO2010049261A1 (fr) 2010-05-06
BRPI0920049A2 (pt) 2015-12-15

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