EP1700076B1 - Radiateur amélioré pour usage civil et domestique - Google Patents

Radiateur amélioré pour usage civil et domestique Download PDF

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Publication number
EP1700076B1
EP1700076B1 EP04806836A EP04806836A EP1700076B1 EP 1700076 B1 EP1700076 B1 EP 1700076B1 EP 04806836 A EP04806836 A EP 04806836A EP 04806836 A EP04806836 A EP 04806836A EP 1700076 B1 EP1700076 B1 EP 1700076B1
Authority
EP
European Patent Office
Prior art keywords
heat
heat pipe
radiator
conduit
hollow member
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.)
Not-in-force
Application number
EP04806836A
Other languages
German (de)
English (en)
Other versions
EP1700076A1 (fr
Inventor
Giovanni Pastorino
Matteo Codecasa
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.)
Peltech Srl
Original Assignee
Peltech Srl
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 Peltech Srl filed Critical Peltech Srl
Publication of EP1700076A1 publication Critical patent/EP1700076A1/fr
Application granted granted Critical
Publication of EP1700076B1 publication Critical patent/EP1700076B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D1/0226—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 an intermediate heat-transfer medium, e.g. thermosiphon 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • 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 generally relates to heating devices for space heating in homes and offices, and particularly an improved radiator operating on the principle of heat transfer by means of a continuous evaporation and condensation of a fluid.
  • heating devices In the technical field of heating devices, in particular for civil and domestic uses, there are known devices which activate a transfer of heat to a surrounding space by means of a continuous evaporation and condensation of an internal fluid. These devices are known in the art under the name of "heat pipes”.
  • a heat pipe is formed of a sealed unit containing a small quantity of a liquid in partial vacuum.
  • heat is absorbed through evaporation of the liquid and given off through the condensation of the vapour.
  • a central heating system comprising a heat source, a forward and return fluid conduit in which a heat carrier fluid, e.g. water, is circulated in closed circuit with the heat source and one or more heatable panels which are arranged in a vertical plane and are removably supported by the conduits, wherein a part of the outer surface of each panel is adapted to be placed in contact with a surface of the conduit.
  • the heatable panels form a sealed unit enclosing a small quantity of volatile liquid, preferably in vacuum. As contact is made between the panel and the conduit there is a transfer of heat via the metal to metal surface contact.
  • the liquid contained in the panel absorbs heat from the heat carrier fluid, is converted into a vapour, rises to the top of the panel, condenses by giving off heat to the space to be heated, and finally runs back down to the bottom of the panel to begin again the evaporation and condensation cycle.
  • Another heat pipe radiator known from JP2003130378 .
  • the advantage of a heating system of this kind consists in that it is versatile and inexpensive.
  • the heating system is adaptable to different heating requirements because the panels can be placed in the most convenient arrangement and removed when they are unnecessary or when they require maintenance. These operations can be easily and readily carried out also by an unskilled person, without requiring an operation on the closed circuit of the heating system.
  • FIGS 1 to 4 show a radiator according to the present invention, generally designated by 10.
  • the radiator 10 comprises a connecting pipe 11 and a plurality of heat pipes 12 arranged preferably side by side one another and detachably connected to the connecting pipe 11, as will be described and illustrated in the following.
  • a heat carrier fluid is circulated by natural or forcing means through the connecting pipe 11.
  • the heat carrier fluid is heated by a heating source (not shown) which is associated with the radiator 10 and arranged internally or externally thereof.
  • the connecting pipe 11 is provided with suitable inlets and outlets 13 for the heat carrier fluid arranged at its opposite ends.
  • the connecting pipe 11 is provided with hollow members 14, e.g. in the form of sleeves, which are arranged transversely to the longitudinal axis of the connecting pipe 11 and are intended each for receiving a mating end part 15 of a heat pipe 12.
  • Each hollow member 14 is open-ended and is provided inside with a stop ring 16 arranged at one end thereof and a gasket 17 arranged at another end.
  • the space existing between the internal surface of the hollow member 14 and the external surface of the heat pipes 12 is filled with a thermally conductive paste, or other similar material, in order to eliminate air and permit an effective transference of heat to occur between the hollow member 14 and the heat pipe 12.
  • the hollow members 14 may have a conical shape adapted to receive a mating end part of the heat pipes 12. In this case, the contact existing between the outer surface of the heat pipes 12 and inner surface of the hollow members 14 makes the use of a thermally conductive paste unnecessary.
  • the connecting pipe 11 is provided internally with fixed surfaces 18 for directing the heat carrier fluid therethrough along a longitudinal axis thereof and around the outer surface of the hollow members 14.
  • These fixed internal surfaces 18 are shaped so as to provide diverging and converging portions arranged upstream and downstream of the hollow membes 14 with respect to the direction of flow of the heat carrier fluid.
  • the heat pipes 12 are sealed at their opposite ends 15 preferably by means of a closure element 19.
  • a threaded blind hole 20 is provided externally and centrally in the closure member 19.
  • a screw plug 21 is provided which co-operates with the threaded blind hole 20 in the closure element 19 of the heat pipe 12.
  • a tapered edge of the screw plug 21 is pressed against the stop ring 16 which in turn is pressed against the wall of the hollow member 14.
  • This external surface of the plug 21 preferably exhibits a recess 23 for the screwing/unscrewing operation with a suitable tool.
  • Connection means substantially similar to those described above using a threaded connection may be provided in the case of a conical shape for the hollow member 14.
  • the heat pipes 12 can be installed and removed from the connecting pipe 11 very easily and readily, in order to adapt the radiator to a desired thermal power or to a desired shape, without requiring operation by a skilled person.
  • heat pipes 12 extend from a side only of the connecting pipe 11, substantially perpendicular thereto.
  • Second end part 15 of heat pipes 12, opposite to first end part 15 inserted into the hollow member 14, is closed by a closure member 19 which preferably is the same to that closing the first end part 15 of heat pipes, i.e. it is externally and centrally provided with a threaded blind hole 20.
  • a cover 24 is conveniently attached to hole 20 in the closure element 19 for covering this second end part 15 of heat pipes 12.
  • the cover 24 may be removed to permit a functional accessory to be attached to second end part 15 of heat pipe 12 by screwing a threaded part of the accessory into the threaded hole 20.
  • radiator 10 it is possible to adapt radiator 10 to specific tasks, e.g. as linen dryer or drying rack.
  • Figures 5 to 8 relate to a first variant, Figures 9 to 12 to another Radiator and Figures 13 and 14 to a second variant.
  • parts being similar in shape and/or function are designated by the same reference numeral.
  • the connecting pipe 11 is provided with a plurality of heat pipes 12 extending from both its sides.
  • a first end part 15 of a pair of heat pipes 12 is arranged in each hollow member 14.
  • a stop ring 16 is placed in an intermediate position inside the hollow member 14.
  • the heat pipes 12 forming each pair are connected one another at the first end part 15 by means of a threaded connecting member 25 which co-operates with the threaded blind holes 20 in the closure member 19.
  • the connecting pipe 11 exhibits a plurality of heat pipes 12 extending from both sides.
  • an intermediate part 26 of a heat pipe 12 is arranged inside each hollow member, thus the heat pipe extends with a first end part 15 from a side of the connecting pipe 11 and with a second end part 15 from another side of the connecting pipe 11.
  • anti-disengagement flanges 27 made of elastomeric material arranged around the heat pipes 12 on both ends of the connecting pipe 11.
  • These anti-disengagement flanges 27 have a circular cylindrical part which is arranged between and engages the external surface of the heat pipe 12 and the internal surface of the hollow 14.
  • the hollow members 14 are open only on one side thus having a socket-like form.
  • the closed end of the hollow members 14 is provided with a threaded pin 28 which co-operates with the threaded blind hole 20 in the closure element 19 for fastening the heat pipe 12 in the hollow member.
  • the heat pipe radiator according to the present invention obviates the drawback of conventional heat pipe radiators known in the art.
  • the heat pipes can be fastened to a conduit in a very stable manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Central Heating Systems (AREA)
  • Road Paving Structures (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (3)

  1. Radiateur (10) à tube de chauffe, destiné à être incorporé dans un système de chauffage du type comprenant une source de chaleur disposée intérieurement ou extérieurement au radiateur soi-même, le radiateur (10) à tube de chauffe comprenant un conduit (11) contenant un fluide caloporteur qui est chauffé par la source de chaleur et un ou plusieurs tubes (12) de chauffe conçus pour être reliés de manière amovible au conduit, le conduit (11) étant doté intérieurement d'un élément (14) creux ayant une extrémité ouverte pour recevoir une partie (15) du tube (12) de chauffe et il est prévu des moyens de liaison (21) qui coopèrent avec le tube (12) de chauffe pour fixer ladite partie (15) du tube(12) de chauffe reçue à l'intérieur de l'élément (14) creux, caractérisé en ce que le tube (12) de chauffe est rendu étanche à ses extrémités opposées au moyen d'un élément (19) de fermeture, l'élément (19) de fermeture étant prévu, à l'extérieur et de manière centrée, en ayant un trou (20) borgne taraudé et les moyens de connexion sont formés d'une goupille (21) filetée conçue pour être vissée dans le trou (20) borgne taraudé de l'élément (19) de fermeture du tube (12) de chauffe.
  2. Radiateur (10) à tube de chauffe, destiné à être incorporé dans un système de chauffage du type comprenant une source de chaleur disposée intérieurement ou extérieurement au radiateur soi-même, le radiateur (10) à tube de chauffe comprenant un conduit (11) contenant un fluide caloporteur qui est chauffé par la source de chaleur et un ou plusieurs tubes (12) de chauffe conçus pour être reliés de manière amovible au conduit, le conduit (11) étant doté intérieurement d'un élément (14) creux ayant une extrémité ouverte pour recevoir une partie (15) du tube (12) de chauffe et il est prévu des moyens de liaison (25) qui coopèrent avec le tube (12) de chauffe pour fixer ladite partie (15) du tube(12) de chauffe reçue à l'intérieur de l'élément (14) creux, caractérisé en ce que le tube (12) de chauffe est rendu étanche à ses extrémités opposées au moyen d'un élément (19) de fermeture, l'élément (19) de fermeture étant muni à l'extérieur et au centre d'un trou (20) borgne taraudé et le conduit (11) est muni d'une paire de tuyaux (12) de chauffe s'étendant à partir de ses deux côtés, et une première partie d'extrémité des tubes (12) de chauffe est disposée dans l'élément (14) creux, les tubes (12) de chauffe étant reliés l'un à l'autre en leur première partie d'extrémité au moyen d'un élément (25) de liaison fileté qui pénètre dans le trou (20) taraudé de l'élément (19) de fermeture de chacun des tubes (12) de chauffe.
  3. Radiateur (10) à tube de chauffe destiné à être incorporé dans un système de chauffage du type comprenant une source de chaleur disposée intérieurement ou extérieurement au radiateur soi-même, le radiateur (10) à tube de chauffe comprenant un conduit (11) contenant un fluide caloporteur qui est chauffé par la source de chaleur et un ou plusieurs tubes (12) de chauffe conçus pour être reliés de manière amovible au conduit, le conduit (11) étant doté intérieurement d'un élément (14) creux ayant une extrémité ouverte pour recevoir une partie (15) du tube (12) de chauffe et il est prévu des moyens de liaison (28) qui coopèrent avec le tube (12) de chauffe pour fixer ladite partie (15) du tube (12) de chauffe reçue à l'intérieur de l'élément (14) creux, caractérisé en ce que le tube (12) de chauffe est rendu étanche à ses extrémités opposées au moyen d'un élément (19) de fermeture, l'élément (19) de fermeture étant muni à l'extérieur et au centre d'un trou (20) borgne taraudé et l'élément (14) creux est fermé à une extrémité opposée à son extrémité ouverte et le moyen de liaison est formé d'une broche (28) filetée faisant saillie à l'intérieur de l'élément (14) creux à partir de son extrémité fermée et conçue pour être vissée dans le trou (20) borgne taraudé de l'élément (19) de fermeture du tube (12) de chauffe.
EP04806836A 2003-12-05 2004-12-02 Radiateur amélioré pour usage civil et domestique Not-in-force EP1700076B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000574U ITMI20030574U1 (it) 2003-12-05 2003-12-05 Radiatore perfezionato per uso civile e domestico
PCT/IT2004/000671 WO2005054766A1 (fr) 2003-12-05 2004-12-02 Radiateur ameliore pour usage civil et domestique

Publications (2)

Publication Number Publication Date
EP1700076A1 EP1700076A1 (fr) 2006-09-13
EP1700076B1 true EP1700076B1 (fr) 2011-01-19

Family

ID=34640355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04806836A Not-in-force EP1700076B1 (fr) 2003-12-05 2004-12-02 Radiateur amélioré pour usage civil et domestique

Country Status (5)

Country Link
EP (1) EP1700076B1 (fr)
AT (1) ATE496269T1 (fr)
DE (1) DE602004031151D1 (fr)
IT (1) ITMI20030574U1 (fr)
WO (1) WO2005054766A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006016249A1 (de) 2006-03-31 2007-10-04 Robert Bosch Gmbh Stator für eine Elektromaschine und Verfahren zur Herstellung
IE20080770A1 (en) * 2008-09-23 2010-06-23 Trinity College Dublin Heat exchanger
FR3084733A1 (fr) 2018-08-06 2020-02-07 Thermie Production Dispositif de radiateur electrique vertical d'une hauteur maximum de deux metres a l'usage d'habitation selon la technologie de fluides caloporteur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928839B2 (ja) * 1980-09-01 1984-07-16 工業技術院長 蓄熱機能を有する熱サイフオン型ヒ−トパイプ
GB2142131A (en) * 1983-06-22 1985-01-09 Patrick James Byrne Improvements in or relating to heat exchanger devices
GB2317946B (en) * 1996-10-02 2000-08-02 Caradon Heating Europ Bv A central heating radiator of the thermosiphon type
AU5081800A (en) * 1999-05-14 2000-12-05 Leo Lamb Heat transfer system, particularly for use in the heating or cooling of buildings
AT3888U3 (de) * 1999-11-03 2002-06-25 Avl List Gmbh Brennkraftmaschine
JP3797910B2 (ja) * 2001-10-18 2006-07-19 大阪瓦斯株式会社 暖房装置

Also Published As

Publication number Publication date
EP1700076A1 (fr) 2006-09-13
ITMI20030574U1 (it) 2005-06-06
WO2005054766A1 (fr) 2005-06-16
DE602004031151D1 (de) 2011-03-03
ATE496269T1 (de) 2011-02-15

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