EP1203923B1 - Echangeur de chaleur, en particulier sèche-linge à condensation - Google Patents

Echangeur de chaleur, en particulier sèche-linge à condensation Download PDF

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Publication number
EP1203923B1
EP1203923B1 EP01125856A EP01125856A EP1203923B1 EP 1203923 B1 EP1203923 B1 EP 1203923B1 EP 01125856 A EP01125856 A EP 01125856A EP 01125856 A EP01125856 A EP 01125856A EP 1203923 B1 EP1203923 B1 EP 1203923B1
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EP
European Patent Office
Prior art keywords
pipes
lamellae
heat exchanger
frames
disposed
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.)
Expired - Lifetime
Application number
EP01125856A
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German (de)
English (en)
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EP1203923A3 (fr
EP1203923A2 (fr
Inventor
Michael Kozica
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.)
AKG Thermotechnik GmbH and Co KG
Original Assignee
AKG Thermotechnik GmbH and Co KG
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Publication date
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Publication of EP1203923A2 publication Critical patent/EP1203923A2/fr
Publication of EP1203923A3 publication Critical patent/EP1203923A3/fr
Application granted granted Critical
Publication of EP1203923B1 publication Critical patent/EP1203923B1/fr
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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • 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
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F28F1/126—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 consisting of zig-zag shaped fins
    • 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
    • F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits

Definitions

  • the invention relates to a heat exchanger of the type specified in the preamble of claim 1.
  • Heat exchangers of this type are known in numerous embodiments. They serve in their application to dryers the purpose of the coming of a dry room, wet process air to pass through process air channels while cooling with ambient air or ambient air flowing through cooling air channels.
  • the heat exchangers act as condensers for the process air, and the condensing water dripping from this drips into a collecting vessel. The thus dried process air is passed again after heating in the drying room.
  • the process air and cooling air channels are usually perpendicular to each other, so that the heat exchanger is flowed through in cross-flow of the process air and the cooling air.
  • heat exchangers with heat conduction elements pressed by elastic tension against the tubes are known (GB-A-2 216 643), in which recesses in the heat conducting elements have the same radius of curvature as the tubes.
  • heat exchangers made entirely of plastic can be produced comparatively inexpensively (eg EP 0 044 561 A2, EP 0 429 953 B1, DE 198 38 525 A1, DE 198 53 526 A1).
  • heat exchangers interfere with the poor heat conduction of the plastics to be used or the resulting lack of heat transfer, especially on the cooling air side.
  • Like. In or on the cooling air ducts lead here hardly to the desired products of heat transfer coefficient and heat exchange surface. This also applies if instead of individual tubes multi-tube or multi-chamber profiles are applied (DE 39 29 004 A1).
  • heat exchangers of the type described are known (US-A-3 489 209), which consist of plastic existing pipes and metal lamellae. The slats are not directly with the pipes, but with additional metal elements in contact, which in turn surround the plastic pipes. As a result, the heat exchanger on additional components.
  • heat exchangers which have frames made of plastic and pipes, which optionally consist of plastic or metal, wherein the frame and tubes can be connected to each other by a simple plug connection (DE 296 18 878 U1).
  • heat exchangers have no means for increasing the heat transfer, so that they are not useful for all and especially not for the above-mentioned applications.
  • the invention is therefore based on the technical problem of the heat exchanger of the type described initially in such a way that on the one hand has good heat transfer and heat transfer properties, on the other hand, however, can be produced inexpensively and with a relatively low overall weight.
  • the invention is based on the idea to combine the advantages of plastic and metal materials.
  • conventional plastics such as thermoplastics used, while where the heat conduction magnifying agent must be provided, made of metals such. B. aluminum-made slats, baffles od. Like. Be provided.
  • the means for achieving good heat exchange properties are held by elastic tension with the plastic pipes in investment, which can be a simple, inexpensive assembly of the various parts can be achieved.
  • Through the use of pipes and frames made of plastic also has the advantage that inexpensive connection methods can be applied by the pipes and frames z. B. are interconnected by plastic welding process. Further advantageous features of the invention will become apparent from the dependent claims.
  • the tubes 1 and 2 schematically show a plurality of tubes 1 formed as individual tubes, which have oval cross-sections and in a plurality of planes parallel to each other and in each plane parallel to each other in a plurality of columns are arranged.
  • the tubes 1 have wide wall sections 2 and narrow wall sections 3 and are arranged in the exemplary embodiment so that within each level their respective narrow wall sections 3 face each other, whereas in each case the broad wall sections 2 face each other in planes arranged one above the other.
  • the tubes 1 are arranged at preselected intervals so that between them channels 4 (Fig. 1) are present.
  • the tubes 1 are preferably used as flow channels for moist, coming from a drying room process air, while the channels 4 are arranged as perpendicular to the tubes 1 flow channels for cooling air and with heat conducting elements in the form of Slats 5 are provided, the z. B. from meandering shaped, in heat exchangers known per se strips and the tubes 1 facing, with the wide wall sections 2 to the plant coming broad sides 5a have.
  • the lamellae 5 preferably completely fill the channels 4 in a central part of the heat exchanger, while leaving free pipe ends 1a (FIG. 1) in front and behind in the outer sections. These are, as shown in FIG. 3, inserted in the assembly of the heat exchanger in openings 6 of frame 7, which are attached to the front and rear end of the heat exchanger and keep the tubes 1 at a distance.
  • the tubes 1 and frame 7 made of a plastic, for.
  • a plastic for.
  • a thermoplastic in the form of a polyolefin (PE, PP) or polyester (PET, PBT or ABS).
  • PET polyolefin
  • PET polyethylene
  • PBT polybis(ethylene terephthalate)
  • ABS polystyrene
  • the connection of the tubes 1 and the frame 7 can cost, ie od without the use of adhesives.
  • plastic welding methods such as ultrasonic, vibration, friction thermal contact, induction, laser or heating element welding are made, as indicated in Fig. 3 by blackened welds 8.
  • the pipe ends 1a can also be slightly widened for this purpose.
  • the lamellae 5 according to the invention consist of highly thermally conductive metals, and their preparation takes place for. B. in that thin aluminum strips are folded meandering.
  • the tubes 1 and fins 5 are elastically clamped together.
  • Fig. 3 to a heat exchanger, the tubes 1 are arranged to facilitate the representation in only one plane and analogous to FIGS. 1 and 2 together with one in each case in Fig. 3 above or below slat 5 one of Frame 7 together held pile.
  • This stack is braced from both sides by a respective side part 9 (or an end plate) which projects positively with its ends into corresponding recesses 10 of the frame 7 and thereby with its upper or lower broad side on a wide side facing it an associated lamella 5 is present.
  • At least one side part 9 in the relaxed state consists of a plate-shaped, but pre-bent sheet metal part, of which the lamella 5 facing and with this coming to rest broadside is convex, as shown in Fig. 3 schematically by a dot-dash line shown side part 9a is indicated.
  • the assembly of the various parts takes place z. B. characterized in that the stack formed from the tubes 1, the fins 5 and the side parts 9a od with a press. Like. Is compressed so that the side parts 9a from the pre-bent shape in a in Fig. 3 shown by solid lines, be brought in substantially plane-parallel shape 9.
  • the front and the rear frame 7 are attached, wherein the ends of the now acting as leaf springs side parts 9 enter the recesses 10 and are held in a form-fitting manner, while the pipe ends 1a with sufficient clearance in the openings 6, with the slats. 5 get into intimate contact and then liquid-tight or gas-tight welded to the frame 7 to form a stable heat exchanger block.
  • the side parts 9 are preferably extending over the entire width and depth of the heat exchanger block and therefore each act on the entire surface of their associated broad sides 5a of the outermost fins 5.
  • the lamellae 5 are preferably comparatively rigid in directions transverse to their broad sides in order to ensure a uniform transmission of force.
  • the heat exchanger according to the invention preferably has an additional means for improving the heat transfer or heat-conducting contact brought about by the elastic tensioning.
  • This agent contains z. B. to the respective pipe shape adapted broad sides 5a of the slats 5, wherein expediently at least those broad sides 5a are adapted, which abut the tubes 1.
  • These take in the embodiment in stacking the wide wall sections 2 of the tubes 1 and therefore have like this a substantially oval or parabolic contour.
  • the arrangement is preferably such that the radii of curvature of the recesses 5b are slightly larger than those of the tubes 1 in the region of the wide wall sections 2 (Fig. 2, left half). If the lamellae 5 are therefore pressed against the tubes 1 by the side parts 9 with a certain prestress (FIG. 2, right half), then they are pressed into a somewhat flatter shape and broadly formed into a good heat-conducting contact with the depressions 5b Placed surfaces of the slats 5, as clearly seen from a comparison of the left and right half of Fig. 2. It is clear that the distances from each other facing broad sides 5a of the slats 5 should be greater than the measured transverse to the broad sides 2 thickness of the tubes 1, so that a sufficiently large elastic contact pressure can be exerted.
  • the recesses 5b have, as shown in particular Fig. 1, in the assembled state continue the effect of a displacement assurance of the slats 5 against displacements transverse to the tube axes, whereby a total stable block formation is achieved even with thin wall thicknesses of the various parts.
  • the tubes 1 can be provided with different wall thicknesses for this purpose.
  • the tube outer walls and / or the facing broad sides 5a of the lamellae 5 can be covered with a thermal compound to improve the heat transfer.
  • both opposite broad sides 5a of the slats 5 are provided with the recesses 5b. It is understood that in the embodiment, such as the broad sides 5a are not continuously continuous (Fig. 1), but from the adjoining them sections of the meandering aluminum strips are formed.
  • Each two adjacent tubes 15 have a web 17 arranged between them in common.
  • the wide, between two webs arranged wall portions 16 are curved analogous to the tubes 1 (Fig. 1) oval or convex to the outside.
  • a plurality of multi-chamber profiles 14 are arranged next to one another or according to FIGS. 5 and 6 in several planes one above the other.
  • the multi-chamber profiles 14 consist according to the invention of plastic and can cost z. B. be prepared by extrusion.
  • lamellas 18 each consisting of metal are arranged between the individual multi-chamber profiles 14 or on their two sides forming the wide wall sections 16;
  • the multi-chamber profiles 15 are held on the lamellae 18 free ends 14 a (Fig. 4) in plastic frame 19 (Fig. 5), which the frame 7 of FIG. 3 except for the difference that they have openings 20 with a the width of the multi-chamber profiles 14 have corresponding length.
  • a stack formed from at least one multi-chamber profile 14 and an associated lamella is braced elastically to form a stable heat exchanger block on the upper side and possibly also on the lower side by a respective side part 21.
  • At least one of the side parts 21 is for this purpose as the side part 9a of FIG. 3 in the relaxed Condition convexly pre-bent, in the assembled state, however, formed with its ends in the manner of a leaf spring to a substantially plane-parallel plate by its ends are positively received in corresponding recesses 22 of the frame 19.
  • the side parts 21 extend between the frames 19 over the entire width and depth of the heat exchanger (Fig. 5).
  • each multi-chamber profile 14 includes a plurality of juxtaposed tubes 15, wherein the convex curvature of the individual broadside or wall sections 16 is selected so that it due to assembly 6), whereby an intimate contact between the wide wall sections 16 and the broad sides of the fins 18 and a good heat transfer between the process air side (tubes 15) and the cooling air side (fins 18 ). Because of the small width that can be given to each pipe section 15 without significant impairment of the desired function, there is no risk that the broad sides when pressing the fins 18 concave bend, as in the application of a single tube 1 on the size of a Multi-chamber profile 14 would inevitably be the case.
  • the assembly of the heat exchanger of Fig. 4 and 5 is analogous to that of FIG. 1 to 3.
  • the compound of the multi-chamber profiles 14 and the frame 19 is effected as shown in Fig. 1 to 3 expediently by welding.
  • sliding safety devices are additionally provided according to the invention.
  • These retaining webs 23 lie in the assembled Condition from the outside to lie between the multi-chamber profiles 14 slats 18 and thereby prevent their lateral displacement.
  • the right and left side surfaces of the lamellae 18 may be provided with retaining webs 24 projecting beyond their height, which in the installed state bear against the multichamber profiles 14 lying between the lamellae 18 from outside and thereby prevent lateral displacements of the fins 18.
  • FIGS. 7 and 8 are distinguished from those of FIGS. 1 to 6, characterized in that first and second tubes 26, 27 in the form of multi-chamber profiles and first and second frames 28, 29 each form units that are made of one piece plastic Consist of injection molded parts.
  • first and second tubes 26, 27 in the form of multi-chamber profiles and first and second frames 28, 29 each form units that are made of one piece plastic Consist of injection molded parts.
  • To simplify the production of the heat exchanger is composed of three parts, namely the first, z. B. front frame 28 and attached thereto first tubes 26, the second, z. B. rear frame 29 and attached thereto second tubes 27 and between the tubes 26, 27 to be arranged, here wave-shaped or also according to FIG. 4 to 6 formed slats 30 with the same thickness.
  • the tubes 26 of the front frame 28 are perpendicular to the rear and the tubes 27 of the rear frame 29 each perpendicular to the front, wherein they are each coaxially aligned with passages 31 which pass through the frames 28, 29 to the tubes 26th , 27 analogous to FIG. 3 and 5 od to be arranged on the outer sides of the frame 28, 29 collecting boxes.
  • the tubes 26 of the front frame 28 are perpendicular to the rear and the tubes 27 of the rear frame 29 each perpendicular to the front, wherein they are each coaxially aligned with passages 31 which pass through the frames 28, 29 to the tubes 26th , 27 analogous to FIG. 3 and 5 od to be arranged on the outer sides of the frame 28, 29 collecting boxes.
  • the tubes 26 of the front frame 28 are perpendicular to the rear and the tubes 27 of the rear frame 29 each perpendicular to the front, wherein they are each coaxially aligned with passages 31 which pass through the frames 28, 29 to the tubes 26th , 27 analogous to FIG
  • first and second tubes 26 and 27 are arranged alternately in different planes, wherein in FIG. 7 the frame 28 forms three first and the frame 29 two second tube planes and in each case a plane of tubes 27 between two levels of tubes 26 is arranged.
  • the tubes 26, 27 it would also be possible to attach the tubes 26, 27 to the frame 28, 29, that in each plane both first tubes 26 of a frame 28 and second tubes 27 of the other frame are arranged.
  • the tubes 26 and 27 have tapered cross-sections, which are largest in the region of the associated frames 28, 29 and gradually decrease in the direction of their free ends. This facilitates, inter alia, the demolding of the units 26, 28 and 27, 29 in their production by injection molding of plastic.
  • the frames 28, 29 have further passages 32. These are sized and shaped so that they can accommodate the free ends of those tubes 26, 27 in themselves, which are fastened to the respective other frame 28, 29. Therefore, the two consisting of the frame 28 and the tubes 26 and from the frame 29 and the tubes 27, each integrally manufactured units in the manner shown in Fig. 7 in the direction of arrows v , w are moved toward each other until the free Ends of the tubes 26, 27 respectively enter into the associated passages 32 of the frame 28, 29, thereby obtained analogous to Fig. 1 to 3, a block in which the free ends of the individual tubes 26, 27 and the frames 28, 29 preferably by Welding can be connected with each other.
  • the cross-sectional tapers of the tubes 26, 27 are preferably uniform throughout. This results in the joining of the two units between the tubes 26, 27 channels with continuously substantially constant height, which allows the arrangement and uniform contact of fins 30 with the same thickness throughout and facilitates. Moreover, it is clear that the passages 31, 32 arranged in the manner of a grid distributed in the frame 28, 29, as it corresponds to the arrangement of the frame 28, 29 fixed pipes.
  • such a dimensioning of the cross-sectional tapers of the tubes 26, 27 is provided that when approaching the frame 28, 29 in the direction of arrows v and w previously inserted slats 30 analogous to the embodiments of FIG. 1 to 6 transverse to the tubes 26, 27 elastically biased and thereby brought into a good heat-conducting contact with these.
  • the means could be to provide the tubes 26, 27 analogous to FIG. 1 to 6 with trapezoidal or oval cross-sections, in addition to their wide wall sections elastically deform and / or provide pre-bent side portions 33 which are positively inserted into recesses 34 of the frame 28, 29 and elastically clamp the entire block.
  • the invention has the advantage that on the side of the tubes (eg process air side) smooth and thus insensitive surfaces, on the side of the fins or baffles (eg cooling air side), however, large heat exchange surfaces with high heat conductivity are obtained in the individual surface sections, as z. B. in the application of heat exchanger described in tumble dryers is desired.
  • the invention is not limited to the described embodiments, which can be modified in many ways. This applies z. B. for the tube shapes used in the individual case, since the tubes can be provided in particular with other than the buckling and cross sections shown. Further, if necessary, the pipes can be internally provided with webs which are known per se and enlarge their surfaces, or the like, which, although they are of little use in terms of their heat conduction, can give them increased stability. Also, the combination of single tubes and multi-chamber tubes within one and the same heat exchanger is possible. Furthermore, the number of tubes and fins used and the number of tube levels provided per heat exchanger depend entirely on the needs of the individual case.

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  • 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)
  • Drying Of Solid Materials (AREA)

Claims (13)

  1. Echangeur de chaleur, en particulier pour sèche-linge à condensation, avec une pluralité de tubes (1) bouchés à leurs extrémités, fixés dans des ouvertures (6) de cadres (7) et une pluralité de canaux (4) situés entre les tubes (1), dans lesquels sont disposées des lamelles (5) constituées de lames de métal pliées, servant à la conduction de chaleur, dans lequel les cadres (7) et les tubes (1) sont en matière plastique et dans lequel les tubes (1) et les lamelles (5) sont serrés ensemble de manière élastique, caractérisé par le fait que les lamelles (5) sont maintenues en contact avec les tubes (1) par le serrage élastique et qu'il est prévu un moyen pour améliorer le transfert de chaleur ainsi obtenu entre les tubes (1) et les lamelles (5), les tubes (1) étant constitués de tubes individuels présentant des sections ovales ainsi que des sections de paroi étroites et larges (2, 3), les lamelles (5) présentant des côtés larges (5a) venant en contact avec les côtés larges (2) des tubes (1) et le moyen contenant des creux (5b) adaptés à la forme des tubes, formés dans les côtés larges (5a) des lamelles (5), qui sont munis de rayons de courbure plus grands que n'en présentent les côtés larges (2) des tubes (1) à l'état non monté.
  2. Echangeur de chaleur selon la revendication 1, caractérisé par le fait que des lamelles (5) empilées les unes au-dessus des autres et des tubes (1) disposés entre leurs côtés larges (5a) forment une pile qui est serrée élastiquement par deux pièces latérales (9, 9a) disposées sur deux côtés opposés.
  3. Echangeur de chaleur, en particulier pour sèche-linge à condensation, avec une pluralité de tubes (15) bouchés à leurs extrémités, fixés dans des ouvertures (20) de cadres (19) et une pluralité de canaux situés entre les tubes (15), dans lesquels sont disposées des lamelles (18) constituées de lames de métal pliées, servant à la conduction de chaleur, dans lequel les cadres (19) et les tubes (15) sont en matière plastique et dans lequel les tubes (15) et les lamelles sont serrés ensemble de manière élastique, caractérisé par le fait que les lamelles (18) sont maintenues en contact avec les tubes (15) par le serrage élastique et qu'il est prévu un moyen pour améliorer le transfert de chaleur ainsi obtenu entre les tubes (15) et les lamelles (18), les tubes (15) étant constitués de profilés à chambres multiples (14) qui présentent une pluralité de chambres parallèles disposées côte à côte, les lamelles (18) étant munies d'une épaisseur essentiellement constante et le moyen contenant des sections de paroi (16) des tubes (15) bombées vers l'extérieur, tournées vers les lamelles (18).
  4. Echangeur de chaleur selon la revendication 3, caractérisé par le fait qu'une pluralité de lamelles (18) alternativement empilées les unes au-dessus des autres et de profilés à chambres multiples (14) disposés entre elles forment une pile et que la pile est serrée élastiquement par deux pièces latérales (21) disposées à des extrémités opposées.
  5. Echangeur de chaleur selon l'une des revendications 2 ou 4, caractérisé par le fait que les pièces latérales (9, 9a) sont constituées de plaques précambrées, tenues dans les cadres (7, 19) par ajustement géométrique.
  6. Echangeur de chaleur, en particulier pour sèche-linge à condensation, avec une pluralité de tubes (26, 27) bouchés à leurs extrémités, fixés dans des ouvertures (32) de cadres (28, 29) et une pluralité de canaux (4) situés entre les tubes (26, 27), dans lesquels sont disposées des lamelles (30) constituées de lames de métal pliées, servant à la conduction de chaleur, dans lequel les cadres (28, 29) et les tubes (26, 27) sont en matière plastique et dans lequel les tubes (26, 27) et les lamelles (30) sont serrés ensemble de manière élastique, caractérisé par le fait que les lamelles (30) sont maintenues en contact avec les tubes (26, 27) par le serrage élastique et qu'il est prévu un moyen pour améliorer le transfert de chaleur ainsi obtenu entre les tubes (26, 27) et les lamelles (30), deux cadres (28, 29) situés de part et d'autre étant prévus, auxquels sont fixées chaque fois une des extrémités de premiers et de deuxièmes tubes (26, 27) formant différents plans de tubes, chaque cadre (28, 29) présentant des passages (32) pour recevoir les extrémités libres des tubes (26, 27) fixés à l'autre cadre (28, 29) et des lamelles (30) d'épaisseur essentiellement constante étant disposées entre les plans de tubes, et que le moyen est constitué de sections des premiers et deuxièmes tubes (26, 27) se rétrécissant dans des sens opposés.
  7. Echangeur de chaleur selon la revendication 6, caractérisé par le fait que le serrage élastique des lamelles (30) est réalisé par disposition et fixation des extrémités libres des tubes (26, 27) dans les passages (32) des cadres (28, 29).
  8. Echangeur de chaleur selon la revendication 6 ou 7, caractérisé par le fait que les tubes (26, 27) sont constitués de tubes individuels ou de profilés à chambres multiples.
  9. Echangeur de chaleur selon l'une des revendications 6 à 8, caractérisé par le fait que les tubes (26, 27) et les cadres (28, 29) sont réunis en deux pièces en matière plastique moulées par injection réalisées d'un bloc.
  10. Echangeur de chaleur selon l'une des revendications 1 à 9, caractérisé par le fait que les tubes (1, 15, 26, 27) sont assemblés par soudage avec les cadres (7, 19, 28, 29).
  11. Echangeur de chaleur selon l'une des revendications 1 à 10, caractérisé par le fait qu'il présente des dispositifs de blocage (5b, 23, 24) empêchant des déplacements entre les tubes (1, 15) et les lamelles (5, 18).
  12. Echangeur de chaleur selon la revendication 11, caractérisé par le fait que les dispositifs de blocage (23, 24) sont constitués d'arêtes de retenue prévues sur les profilés à chambres multiples (14) ou les lamelles (18).
  13. Echangeur de chaleur selon l'une des revendications 1 à 12, caractérisé par le fait que les lamelles (5, 18, 30) sont réalisées en aluminium.
EP01125856A 2000-11-01 2001-10-30 Echangeur de chaleur, en particulier sèche-linge à condensation Expired - Lifetime EP1203923B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20018679U 2000-11-01
DE20018679 2000-11-01

Publications (3)

Publication Number Publication Date
EP1203923A2 EP1203923A2 (fr) 2002-05-08
EP1203923A3 EP1203923A3 (fr) 2003-08-13
EP1203923B1 true EP1203923B1 (fr) 2006-07-26

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EP01125856A Expired - Lifetime EP1203923B1 (fr) 2000-11-01 2001-10-30 Echangeur de chaleur, en particulier sèche-linge à condensation

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EP (1) EP1203923B1 (fr)
AT (1) ATE334373T1 (fr)
DE (1) DE50110536D1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004007070U1 (de) * 2004-05-03 2005-09-15 Akg Thermotechnik Gmbh & Co Kg Wärmeaustauscher, insbesondere für Kondensations-Wäschetrockner
EP1662223B1 (fr) * 2004-11-24 2007-03-14 Modine Manufacturing Company Echangeur de chaleur et son procédé de fabrication
DE202006009710U1 (de) * 2006-06-19 2007-10-31 Autokühler GmbH & Co. KG Wärmeaustauschernetz und damit hergestellter Wärmeaustauscher
WO2009013179A2 (fr) * 2007-07-23 2009-01-29 M.T.A. S.P.A. Echangeur de chaleur pourvu de minicanaux et/ou de microcanaux et son procédé de fabrication
AT506262B1 (de) * 2009-04-02 2011-07-15 Avl List Gmbh Thermoelektrische generatoreinheit
ES2385767B1 (es) * 2009-04-15 2013-06-17 Bsh Electrodomesticos España S.A. Licuador así como también bomba de calor y aparato doméstico con un licuador de tal tipo.
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Publication number Publication date
ATE334373T1 (de) 2006-08-15
DE50110536D1 (de) 2006-09-07
EP1203923A3 (fr) 2003-08-13
EP1203923A2 (fr) 2002-05-08

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