EP0984241B1 - Radiator for heating system with fluid circulation - Google Patents

Radiator for heating system with fluid circulation Download PDF

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Publication number
EP0984241B1
EP0984241B1 EP98870189A EP98870189A EP0984241B1 EP 0984241 B1 EP0984241 B1 EP 0984241B1 EP 98870189 A EP98870189 A EP 98870189A EP 98870189 A EP98870189 A EP 98870189A EP 0984241 B1 EP0984241 B1 EP 0984241B1
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EP
European Patent Office
Prior art keywords
radiator
header
elements
segments
distributor
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Expired - Lifetime
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EP98870189A
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German (de)
French (fr)
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EP0984241A1 (en
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GENEBREV SA
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GENEBREV SA
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Priority to ES98870189T priority Critical patent/ES2150309T3/en
Priority to DE69800161T priority patent/DE69800161T2/en
Priority to AT98870189T priority patent/ATE193371T1/en
Priority to EP98870189A priority patent/EP0984241B1/en
Publication of EP0984241A1 publication Critical patent/EP0984241A1/en
Application granted granted Critical
Publication of EP0984241B1 publication Critical patent/EP0984241B1/en
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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
    • F28F9/0221—Header boxes or end plates formed by stacked elements
    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • F28D1/0475—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 bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
    • 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
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • F28D2021/0036—Radiators for drying, e.g. towel 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
    • F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits

Definitions

  • the invention relates to a modular ramp element according to the preamble of claim 1.
  • the invention also relates to a radiator for heating installation with a modular ramp element.
  • the invention relates to such radiators consisting of standardized parts, which have the advantage of times to use a small number of parts, which can be produced with high quality criteria for a reasonable price, and to allow forms of realization adapted to a number of aesthetic requirements and virtually unlimited techniques.
  • the first domestic radiators using standardized elements assembled were the radiators in melting.
  • Technical and mechanical properties of cast iron imposed very massive and unsightly forms.
  • temperature inequalities in the volume of radiators frequently caused leakage problems at the level of connections, as described in particular in EP-A-0 518 843.
  • stamped sheet steel radiators described in particular in GB-A-2.082.749 pose the problem of their continuous surfaces not very favorable to the flow air, noise, and also their resistance to large temperature variations.
  • EP-A-0 816 791 proposes a heating radiator formed of sections of aluminum ramps connected to tubes steel heatsinks, which does not solve the problems of temperature differences and due to variations in sections between the different elements, disturbs the flow of the heat transfer fluid.
  • Heat exchangers made up of elements of adjoining distribution ramps are known in particular by the EP-A-0 631 101 which was considered below as the closest state of the art.
  • the invention aims to put on the market radiators virtually eliminating problems inequality in the distribution of heat flows.
  • Another object of the invention is that, even in the case where such inequalities would occur, the radiator either able to make its effects negligible.
  • Another object of the invention is to produce modular radiators which allow, with a number of basic parts reduced, to cope with a large number of possibilities of adaptation.
  • the object of the invention is a ramp element modular for space heating radiator circulation of fluid, axially traversed by at least one distributor ramp segment, comprising means for connection to heat sink tubes and means for securing with at least one adjacent element, each ramp element comprising at least two segments of distributing ramps arranged in parallel, characterized in that these at least two segments being interconnected by chambers of clearable compensation.
  • the clearing house is made up of preferably by joining two cavities of shape and additional dimensions arranged on the end faces of two adjacent elements.
  • sealing means are arranged between two elements adjacent to the periphery of the two complementary cavities, preferably in a notch going around one of the cavities.
  • At at least one of the sealing means comprises a suitable element at least partially blocking the clearing house corresponding so as to limit the passage of fluid between at least two ramp segments.
  • the means of joining together with an element adjacent generally include at least one flange crossed by a longitudinal hole extending in a plane located between the axes of the distribution booms at each of the ends of the element and a member of bolts of corresponding dimensions accessible from outside.
  • the bolting member comprises for example a head with internal sides, a threaded rod, the piercing of a flanges of the element carrying a corresponding thread.
  • the distribution manifold may have a section elliptical or oval in shape.
  • the radiator advantageously comprises two sets ramp elements arranged in parallel, these elements of ramps and the corresponding dissipating tubes forming a tablecloth.
  • the radiator can include at least two layers arranged in such a way that their respective ramps form an angle between them, the end elements of two adjacent tablecloths being interconnected by pieces angles whose faces are able to cooperate with the faces end of the corresponding end elements.
  • the ramps are, in one embodiment, arranged along a vertical axis.
  • the hollow dissipating elements have advantageously sufficient mechanical characteristics to support objects to be dried.
  • the ramp elements include an even number of segments of ramp, a group of these segments being connected to the entrance of the radiator, another group of these segments being connected to the outlet of the radiator, sealing means being arranged in the clearing houses connecting the segments connected to these two groups.
  • the ends of these elements sink dissipators, hairpin, (or "U") being distinctly connected to each of these two groups of segments.
  • the radiator comprises at least one ramp end piece with a shape adapted to that of the end face of one of the ramp elements.
  • one of the end pieces supports a thermostatic valve seat extending to inside the cavity and a valve shutter thermostatic cooperating with said seat, the handle of said shutter being attached to the outside of said part end.
  • Figs. 1 and 3 are perspective views radiator rail elements according to the invention, double and triple ramp segments respectively.
  • Figs. 2 and 4 are perspective views with bursting radiators incorporating heads such as shown respectively in Figs. 1 and 3.
  • Fig. 5 is a perspective view of another embodiment of a radiator using elements head shown in Fig. 1.
  • Fig. 1 represents a head element 1 of radiator according to the invention.
  • This elongated element 1 includes two ramp segments 2, 4 arranged in parallel opening at each of their ends into cavities 5 formed in each of the end faces 6, 8 of item 1.
  • Element 1 is made in one piece from light metal, for example aluminum.
  • Hollow nipples 10 in the shape of a crown are aligned in parallel on one of the faces of element 1, the internal cavity of each of these crowns being in direct communication with the ramp segment 2, 4 corresponding.
  • the hollow nipples 10 form part of a simple connection device with elements heat sinks 12 such as the tubes shown in Fig. 2.
  • the outside diameter of these nipples 10 corresponds indeed substantially the inside diameter of the tubes 12 ce which allows a junction by nesting and welding or collage.
  • a gasket sealing (not shown) is arranged on the periphery of the cavity 5 of the face 6, for example in a groove 14 as shown in FIG. 1.
  • a chamber hermetic [5,5] called "clearing house” whose volume corresponds to twice that of the cavities 5; this room [5,5] connects with each other the ramp segments 2, 4 of the ramp elements 1 butted together.
  • the walls of the cavities 5 form a structure in box which rigidly connects the two segments of ramps 2, 4.
  • a rib (not visible in Fig. 1), of shape adapted to that of the groove 14 protrudes from to the end face 8 so as to be able to fit into the groove 14 when two ramp elements 1 are butted together, which prevents any relative transverse movement of these elements 1 butted.
  • Each end face 6, 8 is provided with means for connection to an adjacent element. As seen in the Fig. 1, two longitudinal holes 16, 18 allow the insertion of threaded elements (screws or bolts) securing two adjacent ramp elements 1.
  • One of these openings 16 is formed on a flange 20 projecting from the side face carrying the nipples 10.
  • the other hole 18 opens directly into the face standing.
  • the openings of one of the two end faces (6 or 8) are threaded.
  • the head of the threaded elements remains perfectly accessible even when the radiator is completely assembled.
  • the heat transfer fluid is therefore distributed between the different tablecloths and ramps in Tickelmann loops.
  • the configuration of the heads causes losses by itself very reduced loads since the throttles of section are reduced to a minimum. Consequently, the radiator spontaneously adopts a dissipation regime as close to the optimum as possible, without outside intervention.
  • the items 1 may include an appropriate number of parallel ramp segments.
  • Figs. 3 and 4 are shown elements with 3 ramp segments 2, 3, 4 and a radiator made from such elements 1.
  • the presence of the cavities 5 at the end of the elements 1 also allows several advantageous variants: designed elements of angular connections whose faces of end fit exactly on the end faces of two elements 1, allowing the realization of zig-zag ramps whose sheets 22 extending along intersecting planes. We thus has the possibility, always with the help of elements standardized, to produce a radiator extending so continues along the walls of a room, following partitions etc ...
  • Another advantage lies in the accessibility of cavities 5 forming the compensation chambers: it is possible, at will, interrupt the bypass which puts the segments of ramps 2, 4 in parallel in an element or a series elements using a partition tab 24 of which the dimensions correspond to the cross section of clearing house 5, 5. If necessary, this tongue 24 may be integral with the seal.
  • Inserting tabs 24 wisely arranged in the ramps 2, 4 allows the heat transfer fluid for complex circuits optimizing heat flow by adjusting pressure drops to each distribution node. It also allows you to play to certain ramp segments of the same element 1 of the roles separate. Thus, in FIG. 5, a first series of ramp segments 2 acts as an entry ramp for the heat transfer fluid, a second series ensuring the role of exit ramp.
  • the radiator shown in Fig. 5 includes bent hairpin heatsink tubes, making possible some particular decorative effects. Through elsewhere, the radiator of FIG. 5 can be supported only by its ramp, which solves the problems elongation of the dissipating tubes, under the effect of thermal expansion.
  • the radiator of FIG. 5, as well as those shown in Figs. 2 and 4, can be arranged as desired with the elements 1 extending vertically or horizontally without significantly affecting its performance. We can thus, taking into account the mechanical stresses involved, use the radiators of the invention as a dryer or heated towel racks in a bathroom.
  • Radiators made with elements 1 according to the invention have the advantage of having a very large area in contact with ambient air. They can therefore be very compact and / or use a heat transfer fluid at lower temperature than conventional radiators.
  • dissipative elements are represented here in the form of round tubes, it goes without saying that we can provide them with fins promoting dissipation heat or give them any shape you want.
  • the radiator rail elements of the invention make connections extremely possible compact: the ends of the ramps made up of these elements can be interconnected by pieces end in bowl 26 whose width does not exceed that end faces 6, 8. These end pieces 26 can already include threaded entries leading to a choice on the back, sideways or downwards of a radiator mounted, eliminating the need for connecting parts visible and minimizing the length of visible piping.
  • the installation of piping can also be simplified, the arrival and the heat transfer fluid outlet which can be provided from from two adjacent points.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Central Heating Systems (AREA)

Abstract

The radiator section (1), equipped with couplings (10) for tubes linked to another section above it, has connectors (16, 18) for joining it to another radiator section located end to end with it and contains at least two parallel heating fluid distribution channels (2, 4). The channels are linked by compensating chambers (5) at the ends of the section which can be fitted with separators to give a more complex fluid trajectory, while grooves (14) in the section ends are designed to receive seals between adjacent sections.

Description

L'invention concerne un élément de rampe modulaire selon le préambule de la revendication 1. L'invention se rapporte également à un radiateur pour installation de chauffage avec un élément de rampe modulaire.The invention relates to a modular ramp element according to the preamble of claim 1. The invention also relates to a radiator for heating installation with a modular ramp element.

L'invention se rapporte à de tels radiateurs constitués de pièces standardisées, qui ont l'avantage à la fois d'utiliser un petit nombre de pièces, lesquelles peuvent être produites avec des critères de qualité élevés pour un prix raisonnable, et de permettre des formes de réalisation adaptées à un nombre d'exigences esthétiques et techniques pratiquement illimitées.The invention relates to such radiators consisting of standardized parts, which have the advantage of times to use a small number of parts, which can be produced with high quality criteria for a reasonable price, and to allow forms of realization adapted to a number of aesthetic requirements and virtually unlimited techniques.

Les premiers radiateurs domestiques utilisant des éléments standardisés assemblés ont été les radiateurs en fonte. Les propriétés techniques et mécaniques de la fonte imposaient des formes très massives et peu esthétiques. Outre les problèmes des soufflures et la corrosion, les inégalités de température dans le volume des radiateurs provoquaient fréquemment des problèmes d'étanchéité au niveau des raccordements, tel que cela est décrit notamment dans EP-A-0 518 843.The first domestic radiators using standardized elements assembled were the radiators in melting. Technical and mechanical properties of cast iron imposed very massive and unsightly forms. In addition to the problems of blowing and corrosion, temperature inequalities in the volume of radiators frequently caused leakage problems at the level of connections, as described in particular in EP-A-0 518 843.

Les radiateurs en tôle d'acier embouti décrits notamment dans GB-A-2.082.749 posent quant à eux le problème de leurs surfaces continues peu favorables à l'écoulement de l'air, de bruit, et également de leur tenue à des variations de température importants.The stamped sheet steel radiators described in particular in GB-A-2.082.749 pose the problem of their continuous surfaces not very favorable to the flow air, noise, and also their resistance to large temperature variations.

EP-A-0 816 791 propose un radiateur de chauffage formé de sections de rampes en aluminium reliées à des tubes dissipeurs en acier, qui ne résout pas les problèmes de différences de température et, du fait de variations de sections entre les différents éléments, perturbe l'écoulement du fluide caloporteur. EP-A-0 816 791 proposes a heating radiator formed of sections of aluminum ramps connected to tubes steel heatsinks, which does not solve the problems of temperature differences and due to variations in sections between the different elements, disturbs the flow of the heat transfer fluid.

Des échangeurs de chaleur formés d'éléments de rampes de distribution accolés sont connus notamment par la demande EP-A-0 631 101 qui a été considérée ci-après comme l'état de la technique la plus proche.Heat exchangers made up of elements of adjoining distribution ramps are known in particular by the EP-A-0 631 101 which was considered below as the closest state of the art.

L'invention a pour but de mettre sur le marché des radiateurs éliminant pratiquement les problèmes d'inégalité dans la distribution des flux de chaleur.The invention aims to put on the market radiators virtually eliminating problems inequality in the distribution of heat flows.

Un autre but de l'invention est que, même au cas où de telles inégalités se produiraient, le radiateur soit à même d'en rendre les effets négligeables.Another object of the invention is that, even in the case where such inequalities would occur, the radiator either able to make its effects negligible.

Un autre but de l'invention est de produire des radiateurs modulaires qui permettent, avec un nombre de pièces de base réduit, de faire face à un grand nombre de possibilités d'adaptation.Another object of the invention is to produce modular radiators which allow, with a number of basic parts reduced, to cope with a large number of possibilities of adaptation.

L'objet de l'invention est un élément de rampe modulaire pour radiateur de chauffage à circulation de fluide, traversé axialement par au moins un segment de rampe distributrice, comprenant des moyens de raccordement à des tubes dissipateurs de chaleur et des moyens de solidarisation avec au moins un élément adjacent, chaque élément de rampe comprenant au moins deux segments de rampes distributrices disposés parallèlement, caractérisé en ce que ces au moins deux segments étant reliés entre eux par des chambres de compensation obturables.The object of the invention is a ramp element modular for space heating radiator circulation of fluid, axially traversed by at least one distributor ramp segment, comprising means for connection to heat sink tubes and means for securing with at least one adjacent element, each ramp element comprising at least two segments of distributing ramps arranged in parallel, characterized in that these at least two segments being interconnected by chambers of clearable compensation.

La chambre de compensation est formée de préférence par l'accolement de deux cavités de forme et de dimensions complémentaires disposées sur les faces de bout de deux éléments adjacents.The clearing house is made up of preferably by joining two cavities of shape and additional dimensions arranged on the end faces of two adjacent elements.

Avantageusement, des moyens d'étanchéité sont disposés entre deux éléments adjacents à la périphérie des deux cavités complémentaires, de préférence dans une encoche faisant le tour d'une des cavités.Advantageously, sealing means are arranged between two elements adjacent to the periphery of the two complementary cavities, preferably in a notch going around one of the cavities.

Suivant une forme de réalisation avantageuse, au moins un des moyens d'étanchéité comprend un élément apte à obturer au moins partiellement la chambre de compensation correspondante de façon à limiter le passage de fluide entre au moins deux segments de rampe.According to an advantageous embodiment, at at least one of the sealing means comprises a suitable element at least partially blocking the clearing house corresponding so as to limit the passage of fluid between at least two ramp segments.

Les moyens de solidarisation avec un élément adjacent comprennent généralement au moins une bride traversée par un percement longitudinal s'étendant dans un plan situé entre les axes des rampes distributrices à chacune des extrémités de l'élément et un organe de boulonnage de dimensions correspondantes accessible depuis l'extérieur.The means of joining together with an element adjacent generally include at least one flange crossed by a longitudinal hole extending in a plane located between the axes of the distribution booms at each of the ends of the element and a member of bolts of corresponding dimensions accessible from outside.

L'organe de boulonnage comprend par exemple une tête à pans internes, une tige filetée, le percement d'une des brides de l'élément portant un filet correspondant.The bolting member comprises for example a head with internal sides, a threaded rod, the piercing of a flanges of the element carrying a corresponding thread.

La rampe distributrice peut présenter une section de forme elliptique ou ovale.The distribution manifold may have a section elliptical or oval in shape.

L'invention a également pour objet un radiateur pour installation de chauffage à circulation de fluide caractérisé en ce qu'il comprend

  • au moins un élément de rampe modulaire tel que décrit ci-dessus,
  • des éléments creux dissipateurs de chaleur reliés à leurs extrémités respectives par des moyens de connexion adéquats à des segments de rampe distributrice connectés à l'entrée du radiateur et à des segments de rampe distributrice connectés à la sortie du radiateur.
The invention also relates to a radiator for a fluid circulation heating installation, characterized in that it comprises
  • at least one modular ramp element as described above,
  • hollow heat-dissipating elements connected at their respective ends by means of suitable connection to the manifold segments connected to the inlet of the radiator and to the manifold segments connected to the outlet of the radiator.

Le radiateur comprend avantageusement deux jeux d'éléments de rampes disposés parallèlement, ces éléments de rampes et les tubes dissipateurs correspondants formant une nappe.The radiator advantageously comprises two sets ramp elements arranged in parallel, these elements of ramps and the corresponding dissipating tubes forming a tablecloth.

Le radiateur peut comprendre au moins deux nappes disposées de façon telle que leurs rampes respectives forment un angle entre elles, les éléments d'extrémité de deux nappes adjacentes étant reliés entre eux par des pièces d'angles dont les faces sont aptes à coopérer avec les faces de bout des éléments d'extrémité correspondants. The radiator can include at least two layers arranged in such a way that their respective ramps form an angle between them, the end elements of two adjacent tablecloths being interconnected by pieces angles whose faces are able to cooperate with the faces end of the corresponding end elements.

Les rampes sont, dans une forme de réalisation, disposées suivant un axe vertical.The ramps are, in one embodiment, arranged along a vertical axis.

Dans ce cas, les éléments creux dissipateurs, ont avantageusement des caractéristiques mécaniques suffisantes pour servir de support à des objets à sécher.In this case, the hollow dissipating elements have advantageously sufficient mechanical characteristics to support objects to be dried.

Suivant un mode de réalisation avantageux, les éléments de rampe comprennent un nombre pair de segments de rampe, un groupe de ces segments étant relié à l'entrée du radiateur, un autre groupe de ces segments étant relié à la sortie du radiateur, des moyens d'étanchéité étant disposés dans les chambres de compensation reliant les segments connectés à ces deux groupes.According to an advantageous embodiment, the ramp elements include an even number of segments of ramp, a group of these segments being connected to the entrance of the radiator, another group of these segments being connected to the outlet of the radiator, sealing means being arranged in the clearing houses connecting the segments connected to these two groups.

Avantageusement, les extrémités de ces éléments creux dissipateurs, en épingle à cheveux, (ou en "U") étant raccordés distinctement à chacun de ces deux groupes de segments.Advantageously, the ends of these elements sink dissipators, hairpin, (or "U") being distinctly connected to each of these two groups of segments.

De préférence, le radiateur comporte au moins une pièce d'extrémité de rampe de forme adaptée à celle de la face de bout d'un des éléments de rampe.Preferably, the radiator comprises at least one ramp end piece with a shape adapted to that of the end face of one of the ramp elements.

Avantageusement, une des pièces d'extrémité supporte un siège de valve thermostatique s'étendant à l'intérieur de la cavité et un obturateur de valve thermostatique coopérant avec ledit siège, la manette dudit obturateur étant fixée à l'extérieur de ladite pièce d'extrémité.Advantageously, one of the end pieces supports a thermostatic valve seat extending to inside the cavity and a valve shutter thermostatic cooperating with said seat, the handle of said shutter being attached to the outside of said part end.

D'autres possibilités et avantages de l'invention ressortiront de la description ci-après de plusieurs formes de réalisation particulières, référence étant faite aux dessins annexés, dans lesquels:Other possibilities and advantages of the invention Several forms will emerge from the description below of specific achievements, reference being made to annexed drawings, in which:

Les Figs. 1 et 3 sont des vues en perspective d'éléments de rampe de radiateurs suivant l'invention, respectivement à double et à triple segments de rampe.Figs. 1 and 3 are perspective views radiator rail elements according to the invention, double and triple ramp segments respectively.

Les Figs. 2 et 4 sont des vues en perspective avec éclatement de radiateurs intégrant des têtes telles que montrées respectivement aux Figs. 1 et 3.Figs. 2 and 4 are perspective views with bursting radiators incorporating heads such as shown respectively in Figs. 1 and 3.

La Fig. 5 est une vue en perspective d'un autre mode de réalisation d'un radiateur utilisant des éléments de tête montrés à la Fig. 1.Fig. 5 is a perspective view of another embodiment of a radiator using elements head shown in Fig. 1.

La Fig. 1 représente un élément 1 de tête de radiateur suivant l'invention. Cet élément 1 allongé comprend deux segments de rampe 2, 4 disposés parallèlement débouchant par chacune de leurs extrémités dans des cavités 5 ménagées dans chacune des faces de bout 6, 8 de l'élément 1.Fig. 1 represents a head element 1 of radiator according to the invention. This elongated element 1 includes two ramp segments 2, 4 arranged in parallel opening at each of their ends into cavities 5 formed in each of the end faces 6, 8 of item 1.

L'élément 1 est façonné d'une seule pièce en métal léger, par exemple de l'aluminium.Element 1 is made in one piece from light metal, for example aluminum.

Des tétons creux 10 en forme de couronne sont alignés parallèlement sur une des faces de l'élément 1, la cavité interne de chacune de ces couronnes étant en communication directe avec le segment de rampe 2, 4 correspondant.Hollow nipples 10 in the shape of a crown are aligned in parallel on one of the faces of element 1, the internal cavity of each of these crowns being in direct communication with the ramp segment 2, 4 corresponding.

Les tétons creux 10 forment partie d'un dispositif simple de raccordement avec des éléments dissipateurs de chaleur 12 tels que les tubes représentés à la Fig. 2.The hollow nipples 10 form part of a simple connection device with elements heat sinks 12 such as the tubes shown in Fig. 2.

Le diamètre extérieur de ces tétons 10 correspond en effet sensiblement au diamètre intérieur des tubes 12 ce qui permet une jonction par emboítement et soudure ou collage.The outside diameter of these nipples 10 corresponds indeed substantially the inside diameter of the tubes 12 ce which allows a junction by nesting and welding or collage.

Lors de l'assemblage d'un radiateur, un joint d'étanchéité (non représenté) est disposé sur le pourtour de la cavité 5 de la face 6, par exemple dans une rainure 14 telle que représentée à la Fig. 1. En appliquant l'une contre l'autre les deux faces de bout 6, 8 complémentaires de deux éléments 1 adjacents, on forme une chambre hermétique [5,5] dite "chambre de compensation" dont le volume correspond à deux fois celui des cavités 5; cette chambre [5,5] met en communication les uns avec les autres les segments de rampes 2, 4 des éléments de rampe 1 aboutés.When assembling a radiator, a gasket sealing (not shown) is arranged on the periphery of the cavity 5 of the face 6, for example in a groove 14 as shown in FIG. 1. By applying one against the other the two end faces 6, 8 complementary of two adjacent elements 1, we form a chamber hermetic [5,5] called "clearing house" whose volume corresponds to twice that of the cavities 5; this room [5,5] connects with each other the ramp segments 2, 4 of the ramp elements 1 butted together.

Les parois des cavités 5 forment une structure en caisson qui relie rigidement entre eux les deux segments de rampes 2, 4. The walls of the cavities 5 form a structure in box which rigidly connects the two segments of ramps 2, 4.

Une nervure (non visible sur la Fig. 1), de forme adaptée à celle de la rainure 14 fait saillie par rapport à la face de bout 8 de façon à pouvoir s'encastrer dans la rainure 14 lorsque deux éléments de rampe 1 sont aboutés, ce qui empêche tout mouvement transversal relatif de ces éléments 1 aboutés.A rib (not visible in Fig. 1), of shape adapted to that of the groove 14 protrudes from to the end face 8 so as to be able to fit into the groove 14 when two ramp elements 1 are butted together, which prevents any relative transverse movement of these elements 1 butted.

Chaque face de bout 6, 8 est munie de moyens de raccordement à un élément adjacent. Comme on le voit à la Fig. 1, deux percements longitudinaux 16, 18 permettent l'insertion d'éléments filetés (vis ou boulons) solidarisant deux éléments de rampes 1 adjacents.Each end face 6, 8 is provided with means for connection to an adjacent element. As seen in the Fig. 1, two longitudinal holes 16, 18 allow the insertion of threaded elements (screws or bolts) securing two adjacent ramp elements 1.

Un de ces percements 16 est ménagé sur une bride 20 faisant saillie sur la face latérale portant les tétons 10. L'autre percement 18 débouche directement dans la face de bout. Avantageusement, les percements d'une des deux faces de bout (6 ou 8) sont filetés.One of these openings 16 is formed on a flange 20 projecting from the side face carrying the nipples 10. The other hole 18 opens directly into the face standing. Advantageously, the openings of one of the two end faces (6 or 8) are threaded.

Comme on peut le constater en se référant aux Figs. 2 et 4, la tête des éléments filetés reste parfaitement accessible même lorsque le radiateur est complètement monté.As can be seen by referring to Figs. 2 and 4, the head of the threaded elements remains perfectly accessible even when the radiator is completely assembled.

L'espacement prévu entre deux segments de rampes 2, 4 permet l'insertion d'un outil de forme appropriée (clé à pans hexagonaux) pour serrer ou desserrer les éléments filetés.The spacing between two ramp segments 2, 4 allows the insertion of an appropriately shaped tool (wrench hexagon) to tighten or loosen the elements threaded.

Il est donc possible, le cas échéant, de démonter par le milieu un radiateur en place pour enlever ou insérer un nouvel élément 1, pratique impossible avec les radiateurs connus de l'état de la technique.It is therefore possible, if necessary, to disassemble through the middle a radiator in place to remove or insert a new element 1, practical not possible with radiators known from the state of the art.

La présence d'une chambre de compensation [5,5] dans les éléments de têtes de radiateurs de l'invention permet d'adopter une répartition de flux de fluide caloporteur en séries parallèles.The presence of a clearing house [5,5] in the radiator head elements of the invention allows to adopt a fluid flow distribution coolant in parallel series.

Le fluide caloporteur se distribue donc entre les différentes nappes et rampes en boucles de Tickelmann. La configuration des têtes entraíne par elle-même des pertes de charges très réduites puisque les étranglements de section sont réduits à un minimum. En conséquence, le radiateur adopte spontanément un régime de dissipation thermique aussi près de l'optimum que possible, sans intervention extérieure.The heat transfer fluid is therefore distributed between the different tablecloths and ramps in Tickelmann loops. The configuration of the heads causes losses by itself very reduced loads since the throttles of section are reduced to a minimum. Consequently, the radiator spontaneously adopts a dissipation regime as close to the optimum as possible, without outside intervention.

En fonction de la puissance à dissiper, les éléments 1 peuvent comprendre un nombre approprié de segments de rampes parallèles. Aux Figs. 3 et 4 sont représentés des éléments à 3 segments de rampe 2, 3, 4 et un radiateur réalisé à partir de tels éléments 1.Depending on the power to be dissipated, the items 1 may include an appropriate number of parallel ramp segments. In Figs. 3 and 4 are shown elements with 3 ramp segments 2, 3, 4 and a radiator made from such elements 1.

La parfaite étanchéité obtenue entre les éléments 1 permet en outre de s'affranchir d'une forme de section particulière (telle que la forme ronde, obligatoire lorsque l'on a recours à des nipples filetés). En conséquence, on peut choisir des sections mieux adaptées à des contraintes d'écoulement ou aux sollicitations mécaniques (section ovale, elliptique etc.).The perfect seal obtained between the elements 1 also makes it possible to overcome a section shape particular (such as the round shape, mandatory when threaded nipples are used). Consequently, we can choose sections better suited to constraints flow or mechanical stress (section oval, elliptical etc.).

Comme le montre la Fig. 4, on peut étendre à un nombre de rampes quelconque le principe de cet élément de rampe 1, le flux fluide caloporteur se répartissant toujours de façon équilibrée entre les différentes nappes 22 parallèles. On constatera également que même en cas d'apparition d'un défaut pour une raison externe (accumulation de débris, particules provenant de l'installation) le radiateur peut continuer à fonctionner, du fait du rééquilibrage automatique des flux dans la structure; en outre, la structure des éléments 1 limite et l'emboítement des cavités annule ou empêche tout déplacement relatif des éléments 1, cause reconnue de défauts d'étanchéité ayant pour origine la dilatation différentielle des tubes dissipateurs 12, surtout lorsque l'on utilise des grandes longueurs de tubes.As shown in Fig. 4, we can extend to a any number of ramps the principle of this element of ramp 1, the heat transfer fluid flow always distributing balanced between the different layers 22 parallel. We will also note that even in case appearance of a fault for an external reason (accumulation of debris, particles from installation) the radiator can continue to operate, due to the automatic rebalancing of flows in the structure; furthermore, the structure of elements 1 limits and the interlocking of the cavities cancels or prevents any displacement relative of elements 1, recognized cause of faults sealing due to differential expansion heatsink tubes 12, especially when using long lengths of tubing.

La présence des cavités 5 au bout des éléments 1 permet en outre plusieurs variantes avantageuses: on a ainsi conçu des éléments de raccords angulaires dont les faces de bout s'emboítent exactement sur les faces de bout de deux éléments 1, permettant la réalisation de rampes en zig-zag dont les nappes 22 s'étendant suivant des plans sécants. On a ainsi la possibilité, toujours à l'aide d'éléments standardisés, de produire un radiateur s'étendant de façon continue le long des murs d'une pièce, suivant des cloisons etc...The presence of the cavities 5 at the end of the elements 1 also allows several advantageous variants: designed elements of angular connections whose faces of end fit exactly on the end faces of two elements 1, allowing the realization of zig-zag ramps whose sheets 22 extending along intersecting planes. We thus has the possibility, always with the help of elements standardized, to produce a radiator extending so continues along the walls of a room, following partitions etc ...

Un autre avantage réside dans l'accessibilité des cavités 5 formant les chambres de compensation: l'on peut, à volonté, interrompre le pontage qui met les segments de rampes 2, 4 en parallèle dans un élément ou une série d'éléments à l'aide d'une languette de cloisonnement 24 dont les dimensions correspondent à la section transversale de la chambre de compensation 5, 5. Le cas échéant, cette languette 24 peut être solidaire du joint d'étanchéité.Another advantage lies in the accessibility of cavities 5 forming the compensation chambers: it is possible, at will, interrupt the bypass which puts the segments of ramps 2, 4 in parallel in an element or a series elements using a partition tab 24 of which the dimensions correspond to the cross section of clearing house 5, 5. If necessary, this tongue 24 may be integral with the seal.

L'insertion de languettes 24 judicieusement disposés dans les rampes 2, 4 permet de faire parcourir au fluide caloporteur des circuits complexes optimisant les flux de chaleur par l'ajustement des pertes de charges à chaque noeud de distribution. Il permet aussi de faire jouer à certains segments de rampe d'un même élément 1 des rôles distincts. Ainsi, à la Fig. 5, une première série de segments de rampe 2 assure le rôle de rampe d'entrée du fluide caloporteur, une deuxième série assurant le rôle de rampe de sortie.Inserting tabs 24 wisely arranged in the ramps 2, 4 allows the heat transfer fluid for complex circuits optimizing heat flow by adjusting pressure drops to each distribution node. It also allows you to play to certain ramp segments of the same element 1 of the roles separate. Thus, in FIG. 5, a first series of ramp segments 2 acts as an entry ramp for the heat transfer fluid, a second series ensuring the role of exit ramp.

Le radiateur montré à la Fig. 5 comprend des tubes dissipateurs coudés en épingle à cheveux, ce qui rend possible certains effets décoratifs particuliers. Par ailleurs, le radiateur de la Fig. 5 peut être supporté uniquement par sa rampe, ce qui résout les problèmes d'allongement des tubes dissipateurs, sous l'effet de la dilatation thermique.The radiator shown in Fig. 5 includes bent hairpin heatsink tubes, making possible some particular decorative effects. Through elsewhere, the radiator of FIG. 5 can be supported only by its ramp, which solves the problems elongation of the dissipating tubes, under the effect of thermal expansion.

Le radiateur de la Fig. 5, aussi bien que ceux montrés aux Figs. 2 et 4, peut être disposé au choix avec les éléments 1 s'étendant verticalement ou horizontalement sans altérer notablement ses performances. On peut ainsi, en tenant compte des sollicitations mécaniques impliquées, utiliser les radiateurs de l'invention comme sèche-linge ou porte-essuies chauffants dans une salle de bain.The radiator of FIG. 5, as well as those shown in Figs. 2 and 4, can be arranged as desired with the elements 1 extending vertically or horizontally without significantly affecting its performance. We can thus, taking into account the mechanical stresses involved, use the radiators of the invention as a dryer or heated towel racks in a bathroom.

Les radiateurs réalisés avec les éléments 1 suivant l'invention ont l'avantage de présenter une très grande surface en contact avec l'air ambiant. Ils peuvent donc être très compacts et/ou utiliser un fluide caloporteur à plus basse température que des radiateurs classiques.Radiators made with elements 1 according to the invention have the advantage of having a very large area in contact with ambient air. They can therefore be very compact and / or use a heat transfer fluid at lower temperature than conventional radiators.

Bien que les éléments dissipateurs soient représentés ici sous la forme de tubes ronds, il va de soi que l'on peut les munir d'ailettes favorisant la dissipation de chaleur ou leur donner toute forme souhaitée.Although the dissipative elements are represented here in the form of round tubes, it goes without saying that we can provide them with fins promoting dissipation heat or give them any shape you want.

Les éléments de rampes de radiateurs de l'invention rendent possible des raccordements extrêmement compacts: les extrémités des rampes constituées de ces éléments peuvent être interconnectées par des pièces d'extrémité en cuvette 26 dont la largeur n'excède pas celle des faces de bout 6, 8. Ces pièces d'extrémité 26 peuvent déjà comprendre des entrées taraudées débouchant au choix sur l'arrière, latéralement ou vers le bas d'un radiateur monté, rendant inutile l'usage de pièces de raccordement apparentes et minimisant la longueur de tuyauterie visible.The radiator rail elements of the invention make connections extremely possible compact: the ends of the ramps made up of these elements can be interconnected by pieces end in bowl 26 whose width does not exceed that end faces 6, 8. These end pieces 26 can already include threaded entries leading to a choice on the back, sideways or downwards of a radiator mounted, eliminating the need for connecting parts visible and minimizing the length of visible piping.

Il est également possible de monter des sièges de vannes (telles que les vannes thermostatiques) à l'intérieur même de ces pièces d'extrémité en cuvette 26, faisant disparaítre tous les éléments en saillie du radiateur (à l'exclusion de la tête de la vanne elle-même).It is also possible to mount seats valves (such as thermostatic valves) inside even of these bowl end pieces 26, making disappear all the elements projecting from the radiator (at excluding the valve head itself).

Par une disposition judicieuse des languettes de cloisonnement 24 et des pièces d'extrémité, la pose des tuyauteries peut également être simplifiée, l'arrivée et la sortie de fluide caloporteur pouvant être assurées à partir de deux points adjacents.By a judicious arrangement of the tabs of partitioning 24 and end pieces, the installation of piping can also be simplified, the arrival and the heat transfer fluid outlet which can be provided from from two adjacent points.

Claims (17)

  1. Modular header element (1) for a heating radiator with fluid circulation, through which passes axially at least one distributor header segment, comprising means (10) of connection to heat dissipating elements (12) and means (16, 18) for fixing together with at least one adjacent element (1, 26), each header element (1) comprising at least two distributor header segments (2, 3, 4) arranged in parallel, characterized in that these at least two segments (2, 3, 4) are connected to one another by means of compensating chambers (5, 5) capable of being shut off.
  2. Modular header element (1) according to Claim 1, characterized in that each compensating chamber (5, 5) is formed by placing against one another two cavities (5) of complementary shape and dimensions which are arranged on the end faces (6, 8) of two adjacent header elements (1).
  3. Header element (1) according to Claim 2, characterized in that sealing means are arranged between two adjacent elements (1) on the periphery of the two complementary cavities (5).
  4. Header element (1) according to Claim 3, characterized in that the sealing means are arranged in a groove (14) running around one of the cavities (5).
  5. Header element (1) according to any one of Claims 2 to 4, characterized in that it comprises a removable partitioning tab (24) capable of at least partially shutting off the corresponding compensating chamber (5, 5), so as to limit the passage of fluid between at least two header segments (2, 3, 4).
  6. Element according to any one of the preceding claims, characterized in that the means (16, 18) for fixing together with an adjacent element comprise at least one flange (20), through which passes a longitudinal duct (16) extending in a plane located between the axes of the distributor headers (2, 3, 4) at each of the ends (6, 8) of the element (1), and a bolting member having corresponding dimensions and accessible from outside.
  7. Element according to Claim 6, characterized in that the bolting member comprises a socketed head and a threaded rod, the duct (16, 18) of one of the flanges (20) of the element (1) carrying a corresponding thread.
  8. Element according to any one of the preceding claims, characterized in that the distributor header segments (2, 3, 4) have an elliptically or ovally shaped cross section.
  9. Radiator for a heating system with fluid circulation, characterized in that it comprises - at least one modular header element (1) according to any one of the preceding claims, - hollow heat dissipating elements (12) connected at their respective ends, by suitable connection means, to a distributor header connected to the inlet of the radiator and to a distributor header connected to the outlet of the radiator.
  10. Radiator according to Claim 9, characterized in that it comprises two sets of header elements (1) arranged in parallel, these header elements (1) and the corresponding dissipating tubes (12) forming a sheet (22).
  11. Radiator according to Claim 10, characterized in that it comprises at least two sheets (22), the end elements (1) of two adjacent sheets being connected to one another by means of angle pieces, the faces of which are capable of cooperating with the end faces of the corresponding end elements (1).
  12. Radiator according to Claim 9, characterized in that the header elements comprise an even number of header segments, one group of these segments being connected to the inlet of the radiator, another group of these segments being connected to the outlet of the radiator, and sealing tabs (24) being arranged in the compensating chambers (5, 5) connecting the segments connected to these two groups.
  13. Radiator according to Claim 12, characterized in that the ends of U-shaped dissipating elements (12) are connected separately to each of these two groups of segments.
  14. Radiator according to any one of Claims 9 to 13, characterized in that it comprises at least one end piece (26) having a shape adapted to that of the end face (6, 8) of one of the header elements (1).
  15. Radiator according to Claim 14, characterized in that one of the end pieces (26) supports a thermostatic valve seat extending inside the cavity (5) and in a thermostatic valve shutter cooperating with the said seat, the handle of the said shutter being fastened to the outside of the said end piece (26).
  16. Radiator according to any one of Claims 9 to 15, characterized in that the headers are arranged along a vertical axis.
  17. Radiator according to Claim 16, characterized in that the dissipating elements (12) have mechanical characteristics sufficient for serving as a support for articles to be dried.
EP98870189A 1998-09-03 1998-09-03 Radiator for heating system with fluid circulation Expired - Lifetime EP0984241B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES98870189T ES2150309T3 (en) 1998-09-03 1998-09-03 RADIATOR FOR HEATING INSTALLATION WITH FLUID CIRCULATION.
DE69800161T DE69800161T2 (en) 1998-09-03 1998-09-03 Radiator for heating system with liquid circulation
AT98870189T ATE193371T1 (en) 1998-09-03 1998-09-03 RADIATOR FOR HEATING SYSTEM WITH LIQUID CIRCULATION
EP98870189A EP0984241B1 (en) 1998-09-03 1998-09-03 Radiator for heating system with fluid circulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98870189A EP0984241B1 (en) 1998-09-03 1998-09-03 Radiator for heating system with fluid circulation

Publications (2)

Publication Number Publication Date
EP0984241A1 EP0984241A1 (en) 2000-03-08
EP0984241B1 true EP0984241B1 (en) 2000-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98870189A Expired - Lifetime EP0984241B1 (en) 1998-09-03 1998-09-03 Radiator for heating system with fluid circulation

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EP (1) EP0984241B1 (en)
AT (1) ATE193371T1 (en)
DE (1) DE69800161T2 (en)
ES (1) ES2150309T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035819A1 (en) * 2007-07-31 2009-02-05 Kermi Gmbh tubular radiator
CN106642826B (en) * 2015-10-28 2019-04-19 丹佛斯微通道换热器（嘉兴）有限公司 Heat exchanger
CN108088301A (en) * 2017-12-25 2018-05-29 江西鑫田车业有限公司 A kind of Universal type radiator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078361A (en) * 1980-06-24 1982-01-06 Delanair Ltd Heat exchangers and heat exchanger headers
GB2082749B (en) 1980-08-22 1984-04-18 Myson Group Ltd Improved radiator
BE1004933A3 (en) 1991-06-11 1993-03-02 Genebrev Sa Devices for sealing heat exchangers.
BE1006570A5 (en) 1993-06-22 1994-10-18 Genebrev Sa Device for assembly heat exchangers.
SE501908C2 (en) * 1993-10-21 1995-06-19 Tetra Laval Holdings & Finance Heat exchanger with interconnected modules
EP0816791A1 (en) 1996-07-04 1998-01-07 S.I.R.A. Spa Method for mounting steel pipes inside a modular cast aluminium radiator

Also Published As

Publication number Publication date
DE69800161T2 (en) 2001-01-25
ES2150309T3 (en) 2000-11-16
ATE193371T1 (en) 2000-06-15
EP0984241A1 (en) 2000-03-08
DE69800161D1 (en) 2000-06-29

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