EP0660065B1 - Radiateur à conduites tubulaires - Google Patents

Radiateur à conduites tubulaires Download PDF

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Publication number
EP0660065B1
EP0660065B1 EP94119745A EP94119745A EP0660065B1 EP 0660065 B1 EP0660065 B1 EP 0660065B1 EP 94119745 A EP94119745 A EP 94119745A EP 94119745 A EP94119745 A EP 94119745A EP 0660065 B1 EP0660065 B1 EP 0660065B1
Authority
EP
European Patent Office
Prior art keywords
radiator
inner tube
tubes
tube
outer 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.)
Expired - Lifetime
Application number
EP94119745A
Other languages
German (de)
English (en)
Other versions
EP0660065A3 (fr
EP0660065A2 (fr
Inventor
Marco Giacomini
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.)
Giacomini SpA
Original Assignee
Giacomini SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giacomini SpA filed Critical Giacomini SpA
Publication of EP0660065A2 publication Critical patent/EP0660065A2/fr
Publication of EP0660065A3 publication Critical patent/EP0660065A3/fr
Application granted granted Critical
Publication of EP0660065B1 publication Critical patent/EP0660065B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • 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
    • F28F21/061—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material for domestic or space-heating systems
    • 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
    • F28D1/0477—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 being bent in a serpentine or zig-zag
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/14—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically both tubes being bent
    • 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

Definitions

  • the present invention relates to one of two concentric tubes existing radiator, as described in the preamble of claim 1 is.
  • tubular radiators are known, for example from CH-A-338478, and are used in apartment heating systems and especially in the bathrooms, where they are also often used as tumble dryers.
  • the known tubular radiators essentially consist of two collecting tubes, one for the water inlet and the other for the water return after flow in the radiator, connected to one another by a series of parallel tubes which form a type of conductor. The space between two parallel tubes is used as a dryer for delicates.
  • Similar examples of construction of tubular radiators are shown in the following patent documents: CH-A-675293, CH-A-675472 and EP-A-0564422. These radiators, which are very aesthetically pleasing, have two important disadvantages that make their use difficult.
  • the individual horizontal tubes must be attached to each manifold by welding or otherwise. This means a high cost burden for the manufacture of such radiators, since the many welding points have to be carried out with the utmost care in order to guarantee radiator tightness on the one hand and perfect aesthetic appearance on the other. This point is particularly expensive to manufacture these radiators from difficult-to-work material, such as stainless steel, which would be particularly suitable for the function as a radiator in bathrooms. Furthermore, the ladder-shaped radiators, that is to say with collectors attached on both sides, have the disadvantage that, when used as a dryer, the delicates have to be inserted "vertically compared to the tubes" into the narrow gaps between two tubes, which can be extremely tedious .
  • a heating or cooling device is known from CH-A-338478, which has the features of the preamble of claim 1.
  • the known radiator has a tube in which at least one section is surrounded by a line through which the heat or cold carrier flows after the flows through the said tube and the outside surface of which the heat or cold is given off to the outside.
  • the said tube can be bent in a meandering shape.
  • the design of the double pipe according to this prior art in which the inflow liquid flows through the entire pipe length before it can flow back through the annular gap formed between the inner pipe and the outer pipe, does not regulate the temperature distribution over the length of the pipe allowed.
  • this construction one is forced to accept the automatically forming temperature distribution along the length of the pipe, since there is no way to actively influence this distribution.
  • the tubes with a circular cross-section are also considered to be more excellent in the field of the present invention.
  • 1 shows an outer tube 1 curved in several points (in the specific case in 5 points) and forms a type of snake lying on one level. Inside the tube 1, an inner tube 2 is contained, which accordingly turns out to be substantially concentric compared to the outer tube 1 - this concept is then better explained below.
  • the outer diameter of the tube 2 is smaller in comparison to the inner diameter of the tube 1, so that between the two tubes 1 and 2 a substantially annular cavity of adequate size for the passage of the liquid at the desired speed is formed.
  • the concept of the snake according to the present invention has the expanded meaning of a flat, curved tube (flat snake) or three-dimensional, for example in the spiral snake, which is achieved by winding the tube around a virtual cylinder, so that windings with a desired Slope arise.
  • a flat, curved tube flat snake
  • three-dimensional for example in the spiral snake, which is achieved by winding the tube around a virtual cylinder, so that windings with a desired Slope arise.
  • a first preferred form of such a snake shown in FIG. 4, it consists of at least two straight sections 3 and 4 connected by a curve 5. This is the simplest embodiment of the present invention.
  • the snake consists of at least two first straight sections 6, 7 (see FIGS.
  • the snake shown as an example in FIG. 1 includes six straight arms connected by five curved zones: This is also a graphic simplification of the inventive concept, since a real radiator according to the invention can have many more "branches" (that is, by means of two straight parts connected to a curved zone (serpentine bends formed), as many as are necessary to achieve the heat radiation effect required for use.
  • the outer tube 1 has a connection on one side, shown in detail in FIGS. 2 and 3, while it is closed at the other end by an end plate 11.
  • the inner tube 2 has a plurality of connection openings (14 ', 14 ", ..., 14 x) which are distributed along the inner tube (2).
  • the tubular radiator and the manufacturing method of the same according to the invention make it possible to achieve the purposes mentioned in the introduction in an optimal way, they open the way radiators of a new dimension and of any type, without any welding and suitable for a variety of uses, particularly as dryers and radiators for bathrooms. Due to the absence of any welding, they also offer materials that would otherwise hardly be used for the purpose, the possibility of using them (such as stainless steel and aluminum) and thus the costly and demanding choice of colors can be dispensed with (think of the infinite variant of colors on the market).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Drying Of Solid Materials (AREA)
  • Central Heating Systems (AREA)
  • Materials For Medical Uses (AREA)
  • Resistance Heating (AREA)

Claims (5)

  1. Elément chauffant constitué de deux conduits (1, 2) concentriques insérés l'un dans l'autre, le conduit (1) extérieur étant fermé à une de ses extrémités, tandis que le conduit (2) intérieur pénètre dans le conduit (1) extérieur sensiblement le long de toute la longueur de ce dernier et est relié à la région intérieure en forme d'anneau de ce même dernier au moins par une ouverture (14) de liaison frontale ménagée à l'extrémité du conduit intérieur, et dans lequel un liquide chaud s'écoule dans une direction dans le tube (2) intérieur et dans une direction opposée dans la région intérieure en forme d'anneau formée entre le tube (2) intérieur et le tube (1) extérieur,
       les tubes (1, 2) concentriques étant coudés en un ou plusieurs points et forment ainsi une spirale,
       caractérisé en ce que
       une pluralité d'ouvertures (14', 14", ..., 14x) supplémentaires sont réparties le long du tube (2) intérieur, leur diamètre et distances mutuelles étant calculés de sorte qu'une répartition de température uniforme est assurée sur la surface extérieure du conduit (1).
  2. Elément chauffant suivant la revendication 1,
       caractérisé en ce que
       le conduit (1) extérieur est en métal, tandis que le conduit (2) intérieur est en plastique.
  3. Elément chauffant suivant la revendication 2,
       caractérisé en ce que
       le conduit (1) extérieur métallique est en aluminium ou en acier inoxydable.
  4. Elément chauffant suivant la revendication 2,
       caractérisé en ce que
       le liquide chaud s'écoule dans l'élément chauffant par le conduit (2) intérieur, qui sert d'entrée pour le liquide et s'écoule en sortie par la zone (13) creuse en forme d'anneau entre les deux tubes (1, 2) qui sert de refluement.
  5. Procédé de fabrication de l'élément chauffant suivant les revendications précédentes 1 à 3,
       le conduit (2) intérieur est d'abord inséré par poussée dans le conduit (1) extérieur rectiligne et en ce que les deux conduits (1, 2) concentriques sont ensuite coudés ensemble en un ou plusieurs points (7, 9, 10), jusqu'à ce qu'il soit donné à la totalité des deux conduits (1, 2) la conformation intérieure nécessaire pour l'élément chauffant.
EP94119745A 1993-12-23 1994-12-14 Radiateur à conduites tubulaires Expired - Lifetime EP0660065B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH384493 1993-12-23
CH384493 1993-12-23
CH3844/93 1993-12-23

Publications (3)

Publication Number Publication Date
EP0660065A2 EP0660065A2 (fr) 1995-06-28
EP0660065A3 EP0660065A3 (fr) 1996-01-03
EP0660065B1 true EP0660065B1 (fr) 1999-08-18

Family

ID=4264694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119745A Expired - Lifetime EP0660065B1 (fr) 1993-12-23 1994-12-14 Radiateur à conduites tubulaires

Country Status (3)

Country Link
EP (1) EP0660065B1 (fr)
AT (1) ATE183582T1 (fr)
DE (1) DE59408641D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103278030A (zh) * 2013-05-30 2013-09-04 四川东方能源科技股份有限公司 管道型焊机冷却器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2259433A (en) * 1937-11-15 1941-10-14 Hoover Co Heat exchanger
CH338478A (de) * 1955-12-16 1959-05-31 Bric S A Heiz- oder Kühleinrichtung
DE3722319A1 (de) * 1987-07-07 1989-01-19 Bayer Ag Waermetauscher
EP0360086B1 (fr) * 1988-09-10 1993-03-10 Harald Klostermann Appareil sèche-linge

Also Published As

Publication number Publication date
ATE183582T1 (de) 1999-09-15
EP0660065A3 (fr) 1996-01-03
DE59408641D1 (de) 1999-09-23
EP0660065A2 (fr) 1995-06-28

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