EP1717537A1 - Elément chauffant pour chauffage - Google Patents

Elément chauffant pour chauffage Download PDF

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Publication number
EP1717537A1
EP1717537A1 EP06111634A EP06111634A EP1717537A1 EP 1717537 A1 EP1717537 A1 EP 1717537A1 EP 06111634 A EP06111634 A EP 06111634A EP 06111634 A EP06111634 A EP 06111634A EP 1717537 A1 EP1717537 A1 EP 1717537A1
Authority
EP
European Patent Office
Prior art keywords
plate
heating element
ducts
element according
modules
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.)
Granted
Application number
EP06111634A
Other languages
German (de)
English (en)
Other versions
EP1717537A8 (fr
EP1717537B1 (fr
Inventor
Cristiano Crosetta
Renzo Crosetta
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.)
Tubes Radiatori Srl
Original Assignee
Tubes Radiatori 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 Tubes Radiatori Srl filed Critical Tubes Radiatori Srl
Publication of EP1717537A1 publication Critical patent/EP1717537A1/fr
Publication of EP1717537A8 publication Critical patent/EP1717537A8/fr
Application granted granted Critical
Publication of EP1717537B1 publication Critical patent/EP1717537B1/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
    • F28D1/0246—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 heat-exchange elements having several adjacent conduits forming a whole, e.g. blocks
    • 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
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2054—Panel radiators with or without extended convection surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded

Definitions

  • the present invention relates to a heating element for heaters.
  • a current trend in the market of furniture components for heating is to provide heaters which have a spare styling and are as flat as possible.
  • radiators composed in practice of radiating panels, constituted by a shell-and-tube heating element incorporated in a flat matrix which radiates its heat into the environment, are particularly appreciated.
  • the aim of the present invention is to provide a heating element for heaters which is particularly flat so that it can be associated with flat heaters, achieving in any case a heat efficiency which is perceived as satisfactory by the user.
  • an object of the present invention is to provide a heating element for heaters which is flexible in its association with flat heaters.
  • Another object of the present invention is to provide a heating element for heaters which has a reduced wall space occupation with respect to known heating elements.
  • Another object of the present invention is to provide a heating element for heaters which has excellent radiating capabilities.
  • Another object of the present invention is to provide a heating element for heaters which allows to achieve cost reductions for its manufacture and/or inventory management.
  • a further object of the present invention is to provide a heating element which can directly constitute a heater.
  • a still further object of the present invention is to provide a heating element which can be manufactured with known systems and technologies.
  • a heating element for heaters of the modular type, characterized in that it comprises at least one radiating module, which is constituted by a metallic plate within which, along its planar dimension, there are a plurality of parallel ducts which are open at their ends, and at least two manifold modules, which are fixed to said plate respectively on opposite sides at the opposite end openings of said ducts, said at least two manifold modules, together with said parallel ducts, forming a path for a heat transfer liquid, said radiator being composed selectively of a single plate or of several plates, which form the radiating modules and are mutually fixed at their lateral edges so that said ducts of all the radiating modules are parallel, said at least two manifold modules being arranged transversely to all of said ducts at the opposite end openings of said ducts.
  • a heating element for heaters is generally designated by the reference numeral 10.
  • the heating element 10 comprises a radiating module 11, which is constituted by a metal plate 12 inside which, along its planar dimension, there are a plurality of parallel ducts 13, which are open at their ends 14.
  • the heating element 10 further comprises two manifold modules 15, which are fixed to the plate 12 respectively on opposite sides at the opposite end openings 14 of the ducts 13.
  • a heat transfer liquid such as hot water
  • the plate 12 is constituted by a single piece of extruded aluminum, which has a rectangular perimetric shape; in practice, the plate 12 has two facing plate-like portions, respectively a first plate-like portion 16 and a second plate-like portion 17, which are connected by longitudinal partitions 18 which delimit the ducts 13 laterally.
  • the ducts 13 therefore have a flattened rectangular contour.
  • a series of fins 19 protrudes at right angles outward from the first plate-like portion 16; said fins are parallel to the longitudinal dimension of the ducts 13 and are formed monolithically with the plate 12.
  • the second plate-like portion 17 protrudes beyond the end openings 14, forming a band 20 which is oriented transversely with respect to the ducts 13 (according to the orientation of the figures, there are two bands 20, an upper one and a lower one).
  • each manifold module 15 is formed by a single element which has a substantially L-shaped cross-section.
  • Each manifold module 15 rests, with a first longitudinal end edge 21, on the border 22 of the first plate-like portion 16 which corresponds to the region of the end openings 14 and, with its second longitudinal end edge 23, which is perpendicular to the first longitudinal end edge 21, against the second plate-like portion 17.
  • the second longitudinal end edge 23 of the manifold module 15 is wider, in order to rest well against the second plate-like portion 17, so that it is aligned with the end edge 24 thereof.
  • the manifold modules 15 also are made of extruded aluminum and are fixed to the plate 12 by welding.
  • Figure 4 also shows a bevel 25, which is formed on the first longitudinal end edge 21 in order to facilitate the welding of said region of the manifold module 15 to the plate 12.
  • the longitudinal partitions 18 which delimit laterally the ducts 13 protrude externally with respect to the border 22 of the first plate-like portion 16 which corresponds to the region of the end openings 14.
  • the longitudinal partitions 18 that correspond to the side walls of the plate 12 reach the end edge 24 of the second plate-like portion 17, so as to close laterally the space delimited by the plate 12 and by the manifold modules 15.
  • each longitudinal partition 18 related to the inside of the plate 12 can protrude externally with respect to one of the two borders 22 of the first plate-like portion 16, obstructing the channel formed by the manifold module 15 together with the band 20 of the plate 12, so as to provide dividing walls 18a inside said manifold module which are adapted to form a particular path for the heat transfer fluid, which is useful for distributing said heat transfer fluid over the entire surface of the plate 12; in this embodiment there is a single dividing wall 18a arranged on the lower band 20.
  • manifold modules 15 there are also an intake hole 26 and a discharge hole 27 for the heat transfer fluid, which are connected to the duct of the hydraulic heating system, and there is a vent hole 28, where the vent valve is to be connected.
  • the intake hole 26 and the discharge hole 27 are arranged, for example, on opposite sides of the dividing wall 18a, while the vent hole 28 is located at the upper band 20.
  • said fins have a recess so as to provide space for positioning the wall supports 31 for the heating element 10.
  • heating element 100 A different embodiment of the heating element, now designated by the reference numeral 100, as shown in Figure 7, is described hereinafter.
  • This embodiment comprises three radiating modules 111 which are arranged side-by-side and are welded in pairs.
  • the plates 112 which form the radiating modules 111 are welded at the lateral edges 129 so that the ducts 113 of all the radiating modules 115 are parallel.
  • the two manifold modules 115 of course are arranged transversely to all the ducts at the opposite end openings 114 of said ducts.
  • the longitudinal partitions 118 which correspond to the outer side walls of the outermost plates 112 reach the end edge 124 of the second plate-like portion 117, so as to close laterally the space delimited by the plates 112 and by the manifold modules 115.
  • the intake hole 126 and the discharge hole 127 are arranged, for example, on opposite sides of a dividing wall 118a, while the vent hole 128 is located at the upper band 20.
  • the preferred manufacturing method entails producing the plates and the manifold modules by extrusion and subsequent working, by chip-forming machining, said plates at the ends in order to obtain the geometry suitable to mate with the manifold modules.
  • the present invention provides a modular heating element which allows to produce in a standardized manner substantially just two types of element, the radiating modules and the manifold modules, reworking them subsequently in order to adapt them to requirements.
  • extruded aluminum plate entails the possibility to obtain a very low thickness for the heating element and to obtain an integrated element without therefore having to assemble the various tubes which are typical of known shell-and-tube structures.
  • the reduced space occupation also leads to a reduced amount of water, to the full advantage of energy saving.
  • aluminum is more resistant to the attack of metal deterioration phenomena, such as for example corrosion.
  • the reduced thickness and modular assembly make the heating element according to the invention adapted to be associated with aesthetic covering elements having various shapes and dimensions, in order to compose a design heater; at the same time, if finished with care, it can be used directly as a visible heater.
  • the materials employed may be any according to requirements and to the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
EP06111634.9A 2005-04-13 2006-03-23 Elément chauffant pour chauffage Not-in-force EP1717537B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPD20050028 ITPD20050028U1 (it) 2005-04-13 2005-04-13 Elemento riscaldante per caloriferi

Publications (3)

Publication Number Publication Date
EP1717537A1 true EP1717537A1 (fr) 2006-11-02
EP1717537A8 EP1717537A8 (fr) 2007-03-28
EP1717537B1 EP1717537B1 (fr) 2017-04-05

Family

ID=36587336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111634.9A Not-in-force EP1717537B1 (fr) 2005-04-13 2006-03-23 Elément chauffant pour chauffage

Country Status (2)

Country Link
EP (1) EP1717537B1 (fr)
IT (1) ITPD20050028U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010096355A3 (fr) * 2009-02-17 2011-01-06 Parker Hannifin Corporation Système de refroidissement utilisant de multiples plaques froides
NL2016820B1 (en) * 2016-05-24 2017-12-04 Van Holsteijn & Kemna Special Products B V Low temperature radiator.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134147A1 (fr) * 1971-04-22 1972-12-08 Ideal Standard
CH532238A (de) * 1972-02-12 1972-12-31 Lieberherr Kurt Heizwand für mit flüssigen Wärmemedien betriebene Heizanlagen und Verfahren zu ihrer Herstellung
US4349001A (en) * 1980-05-05 1982-09-14 Rockwell International Corporation Compact diesel fuel preheater element
JPS63306397A (ja) * 1987-06-02 1988-12-14 レ−アウ・アクチエンゲゼルシヤフト・ウント・コンパニ− プレ−ト状の熱交換器
EP0908693A2 (fr) * 1997-10-09 1999-04-14 Alusuisse Technology & Management AG Radiateur
EP1030157A1 (fr) * 1997-11-14 2000-08-23 Zexel Corporation Echangeur thermique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134147A1 (fr) * 1971-04-22 1972-12-08 Ideal Standard
CH532238A (de) * 1972-02-12 1972-12-31 Lieberherr Kurt Heizwand für mit flüssigen Wärmemedien betriebene Heizanlagen und Verfahren zu ihrer Herstellung
US4349001A (en) * 1980-05-05 1982-09-14 Rockwell International Corporation Compact diesel fuel preheater element
JPS63306397A (ja) * 1987-06-02 1988-12-14 レ−アウ・アクチエンゲゼルシヤフト・ウント・コンパニ− プレ−ト状の熱交換器
EP0908693A2 (fr) * 1997-10-09 1999-04-14 Alusuisse Technology & Management AG Radiateur
EP1030157A1 (fr) * 1997-11-14 2000-08-23 Zexel Corporation Echangeur thermique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010096355A3 (fr) * 2009-02-17 2011-01-06 Parker Hannifin Corporation Système de refroidissement utilisant de multiples plaques froides
NL2016820B1 (en) * 2016-05-24 2017-12-04 Van Holsteijn & Kemna Special Products B V Low temperature radiator.

Also Published As

Publication number Publication date
EP1717537A8 (fr) 2007-03-28
EP1717537B1 (fr) 2017-04-05
ITPD20050028U1 (it) 2006-10-14

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