EP2146170A1 - Élément de radiateur et bloc pour radiateur - Google Patents

Élément de radiateur et bloc pour radiateur Download PDF

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Publication number
EP2146170A1
EP2146170A1 EP08160441A EP08160441A EP2146170A1 EP 2146170 A1 EP2146170 A1 EP 2146170A1 EP 08160441 A EP08160441 A EP 08160441A EP 08160441 A EP08160441 A EP 08160441A EP 2146170 A1 EP2146170 A1 EP 2146170A1
Authority
EP
European Patent Office
Prior art keywords
radiator
shaped
welded
peripheral
elements
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
EP08160441A
Other languages
German (de)
English (en)
Other versions
EP2146170A8 (fr
EP2146170B1 (fr
Inventor
Tsvetomir Tsankov Stoyanov
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.)
TESY OOD
Original Assignee
Tesy Ood
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Filing date
Publication date
Application filed by Tesy Ood filed Critical Tesy Ood
Priority to EP20080160441 priority Critical patent/EP2146170B1/fr
Priority to PCT/EP2009/057838 priority patent/WO2010006901A1/fr
Publication of EP2146170A1 publication Critical patent/EP2146170A1/fr
Publication of EP2146170A8 publication Critical patent/EP2146170A8/fr
Application granted granted Critical
Publication of EP2146170B1 publication Critical patent/EP2146170B1/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
    • F28D1/04—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
    • F28D1/0535—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 the conduits having a non-circular cross-section
    • F28D1/05358—Assemblies of conduits connected side by side or with individual headers, e.g. section type 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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • 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
    • F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
    • 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

Definitions

  • the radiator element and the block for a radiator are intended for application in the field of designing heating appliances.
  • radiator block [ DE1801886A1 , PCT/EP2007/061219 ] consisting of multiple radiator elements RE.
  • Each radiator element RE has two welded shells and standard connection openings.
  • each radiator element is embraced by a T-shaped protection lamella fixed wholly or partially by a clamping connection to its U-periphery (the periphery of the radiator element, excluding the lower portion of said periphery).
  • the T-shaped lamella is made of plastic and has a retaining tooth against pulling out, which after clamping is retained in a folding of the periphery of the radiator element.
  • a disadvantage of said known radiator element RE and known block for a radiator consists in the fact that the manufactured block for a radiator features diminished heat emission due to the diminished conductive heat transfer through the clamping connection.
  • Another disadvantage of said devices consists in the fact that the mechanical stability of the clamping connection diminishes with time due to the different expansion of the materials of the radiator element and lamella.
  • the mechanical stability of the clamping connection also decreases during operation as a result of the material's fatigue caused by the periodical heating and cooling of radiator elements and their lamellas.
  • the objective of the invention consists in creating a radiator element and block for a radiator featuring increased conductive and convective heat emission, improved reliability, and increased mechanical stability.
  • a radiator element with two welding-connected shells and two standard connection openings. It is embraced by a U-shaped lamella fixed in a T-shaped manner wholly or partially to the peripheral edge of its U-periphery (the periphery of the radiator element, excluding the lower portion of said periphery).
  • the U-shaped lamella is made of metal.
  • the T-shaped fixing of the U-shaped lamella represents a welding to the peripheral edge of the radiator element.
  • the welding is a continuous or partial one, including a spot welding as well.
  • the radiator element its peripheral edge is divided into two peripheral parts with their respective peripheral edges formed by the peripheral parts of the shells, and that the U-shaped lamella is welded to the peripheral edges by respective welds.
  • the peripheral parts of the shells and the U-shaped lamella form a closed heat-transferring channel.
  • radiator element its peripheral parts are divided into two separate vertical parts, to the edges of which the U-shaped lamella is welded in an analogous manner.
  • the heat-transferring channels formed at the two vertical ends of the radiator element are vertical chimneys.
  • the U-shaped lamella and/or the peripheral parts are provided with openings.
  • the welds are continuous or partial ones, including spot welds as well.
  • the U-shaped lamellas have openings only in their horizontal upper part and/or along their entire perimeter.
  • each of the U-shaped lamellas is welded to the adjacent peripheral edges of two adjacent radiator elements by means of respective welds.
  • the neighbor peripheral parts of two neighbor radiator elements and the U-shaped lamellas form closed heat-transferring channels, and the peripheral parts of one radiator element and the U-shaped lamellas form open heat-transferring channels.
  • An advantage of the radiator element and the blocks for a radiator consists in the fact that they feature increased conductive heat transfer and convective heat emission, improved reliability, and increased mechanical stability.
  • the radiator element RE ( Figs. 1.1 and 1.2 ) has two shells 1.1 and 1.2, connected by welding 11, and two standard connection openings 2. It is embraced by a U-shaped metal lamella 3, fixed in a T-shaped manner wholly or partially to the peripheral edge 4 of its U-periphery (the periphery of the radiator element, excluding the lower portion of said periphery).
  • the T-shaped fixing of the U-shaped lamella 3 represents a welding 3 to the peripheral edge 4 of the radiator element RE.
  • the weld 5 is a continuous or partial one, including a spot weld as well.
  • the two shells 1.1 and 1.2 are welded by a roll-welding seam 11. Said roll-welding seam is not shown in the figures further on.
  • the radiator element RE its peripheral edge 4 is divided into two peripheral parts 6.1 and 6.2 ( Figs. 2.1 to 2.5 ) with their respective peripheral edges 4.1 and 4.2 formed by the peripheral parts of the shells 1.1 and 1.2.
  • the U-shaped lamella 3 is welded to the peripheral edges 4.1 and 4.2 by respective welds 5.1 and 5.2.
  • the peripheral parts 6.1 and 6.2 and the U-shaped lamella 3 form a closed heat-transferring channel 7.
  • radiator element RE its peripheral parts 6.1 and 6.2 are divided into two separate vertical parts 6.1 V and 6.2 V , to the edges 4.1 V and 4.2 V of which the U-shaped lamella 3 is welded in an analogous manner.
  • the heat-transferring channels 7 formed in the two vertical ends of the radiator element RE are vertical chimneys.
  • the U-shaped lamella 3 and/or the peripheral parts 6.1, 6.1 V and 6.2 V have openings 8 ( Fig. 4 ).
  • Such a block for a radiator is depicted in Fig. 5 , the radiator elements of said block being the same as those shown in Figs. 1.1 and 1.2 .
  • Such a block for a radiator is depicted in Fig. 6 , the radiator elements of said block being the same as those shown in Figs. 2.1, 2.3, 2.4, 2.5, and 3 .
  • the remaining variants, not shown in separate figures, are created in an analogous manner.
  • the welds are continuous or partial ones, including spot welds as well.
  • the U-shaped lamellas 3 have openings 8 only in their horizontal upper part and/or along their entire perimeter ( Fig. 7 ).
  • the protection lids 12 which are fixed in the known ways to the end radiator elements RE in the blocks for a radiator are shown schematically in Figs. 7 and 8 .
  • Radiator elements RE are created in a known manner.
  • Shells 1.1 and 1.2 are produced of metal sheet material by performing consecutive operations of cold drawing until the required shape is obtained and consequent operations of cutting out the openings as well as the external contour until obtaining the final finished appearance as shown in the figures.
  • the two shells 1.1 and 1.2 are welded by a roll-welding seam 11.
  • the internal space, in which the heat-transferring fluid is located, is formed in the final product: a radiator assembled with a block for a radiator consisting of such radiator elements RE.
  • any of the variants of a radiator element RE according to the present invention is manufactured in the same way.
  • a U-shaped lamella 3 must be "put on” it in accordance with the invention.
  • Said lamella is preliminarily formed of a suitable band-shaped metal material by means of consecutive forming through rolls of suitable geometry until the required U-shaped profile is obtained. Then a blank is cut out from the profile obtained, and in said blank the openings 8 are preliminarily cut out if such openings must be provided in the respective variant.
  • the blank is bent according to a profile copying the external contour of the U-shaped periphery of the radiator element RE, while in the same time the outward curving of the lateral walls of the U-shaped lamella 3 is avoided by pressing at the locations of chamfers. Then the lamella 3 is positioned on the peripheral edge 4 and fixed durably to it by weld 5.
  • Said weld 5 can be realized, for instance, by resistance welding at the location of contact between the lamella 3 and peripheral edge 4.
  • Radiator elements RE with welded lamella 3, where continuous welds 5 are used, are shown in the figures. According to the invention, said welds can be partial, including spot welds (not shown in the figures).
  • radiator element RE in which its peripheral edge 4 is divided into two peripheral edges 4.1 and 4.2 ( Figs. 2.1 to 2.5 ), is manufactured in the same way, the lamella 3 being simultaneously welded to these two edges.
  • All variants of a radiator element RE according to the invention are suitable for creating a block for a radiator.
  • Assembling the block is performed by welding radiator elements RE consecutively to one another in the area of standard openings 2, which allows achieving a unitary volume closed hermetically, in which the heat-transferring fluid (not shown in the figures) is placed later on.
  • the inventive step in the present invention ensures the possibility of assembling also a block for a radiator, in which the U-shaped metal lamellas 3 are welded to the edges 4 of two adjacent radiator elements ( Fig. 7 ) to the parts or edges divided into two 4.2 n and 4.1 n+1 of two adjacent radiator elements ( Fig. 8 ).
  • each radiator block is built of some variant of the radiator element RE or with a combination of various compatible radiator elements RE, for instance those from Figs. 1.2 -1.2 and Figs. 2.1 to 3 .
  • radiator elements RE are of increased heat-emitting surface as a result of the presence of metal lamellas 3.
  • openings 8 and chimney 7 or 8 and 10 in some of the variants increases additionally the convective heat emission.
  • radiator elements RE with welded lamellas 3, respectively blocks for radiators consisting of them are of increased periphery.
  • the hot heat-transferring fluid circulates through the interior of the radiator elements, transferring the heat to the walls of the new periphery of the radiator elements. Due to the facts presented above, this heat is conducted to the periphery of the block and emitted in the surrounding space through increased heat-emitting surface. As a result, the external elements, especially the lamellas 3, are of diminished temperature, which is in conformity with the safety requirements.
  • the high temperature of the external peripheral surface of the radiator elements represents a danger if it is touched by users.
  • this surface temperature is controlled by interruption of the welds 5 at appropriate locations, which decreases the conductive heat transfer in the individual areas of welds 5 if necessary.
  • the upper horizontal part of the weld 5 can be an interrupted one, even a spot weld, as a result the heat transfer conducted almost entirely through the interrupted weld 5 experiences difficulties, and that horizontal part of lamellas 3 is heated to a lesser extent, i. e. to a temperature that meets the safety requirements.
  • interrupting the welds 5 (wholly or partially) in the area of lamellas 3 opposite to the upper connection opening 2 eliminates the abrupt overheating in that area of the lamellas 3. This, too, provides conformity with the safety requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP20080160441 2008-07-15 2008-07-15 Élément de radiateur et bloc pour radiateur Not-in-force EP2146170B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20080160441 EP2146170B1 (fr) 2008-07-15 2008-07-15 Élément de radiateur et bloc pour radiateur
PCT/EP2009/057838 WO2010006901A1 (fr) 2008-07-15 2009-06-23 Élément de radiateur et bloc pour un radiateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080160441 EP2146170B1 (fr) 2008-07-15 2008-07-15 Élément de radiateur et bloc pour radiateur

Publications (3)

Publication Number Publication Date
EP2146170A1 true EP2146170A1 (fr) 2010-01-20
EP2146170A8 EP2146170A8 (fr) 2010-03-03
EP2146170B1 EP2146170B1 (fr) 2014-08-06

Family

ID=40239591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080160441 Not-in-force EP2146170B1 (fr) 2008-07-15 2008-07-15 Élément de radiateur et bloc pour radiateur

Country Status (2)

Country Link
EP (1) EP2146170B1 (fr)
WO (1) WO2010006901A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBS20110031A1 (it) * 2011-03-18 2012-09-19 Giorgio Lancini Elemento di radiatore, radiatore e relativo metodo di realizzazione
WO2012127508A1 (fr) * 2011-03-18 2012-09-27 Lancini Giorgio Élément de radiateur, radiateur et procédé de réalisation de celui-ci

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1801886A1 (de) 1967-10-09 1969-05-14 Telephone Mfg Co Ltd Vierphasige logische Systeme
BE881899A (fr) * 1980-02-25 1980-06-16 Technical & Man Consultants T Colonne de radiateur de chauffage
FR2576678A1 (fr) * 1985-01-26 1986-08-01 Sueddeutsche Kuehler Behr Echangeur de chaleur, en particulier evaporateur pour refrigerant
EP0772020A2 (fr) * 1995-10-30 1997-05-07 Lo.Met Loreto Metalli S.p.A. Procédé de fabrication d'éléments de radiateur modulaires, symétriques, en aluminium moulé par injection
EP1471309A2 (fr) * 2003-04-24 2004-10-27 Industrie Meccaniche di Alano S.r.l. Radiateur avec des couvercles adaptables pour usage multiple, en particulier pour système de chauffage d'immeubles
WO2008049791A1 (fr) 2006-10-23 2008-05-02 De' Longhi Spa Dispositif mobile permettant de rechauffer des locaux

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1801886A1 (de) 1967-10-09 1969-05-14 Telephone Mfg Co Ltd Vierphasige logische Systeme
BE881899A (fr) * 1980-02-25 1980-06-16 Technical & Man Consultants T Colonne de radiateur de chauffage
FR2576678A1 (fr) * 1985-01-26 1986-08-01 Sueddeutsche Kuehler Behr Echangeur de chaleur, en particulier evaporateur pour refrigerant
EP0772020A2 (fr) * 1995-10-30 1997-05-07 Lo.Met Loreto Metalli S.p.A. Procédé de fabrication d'éléments de radiateur modulaires, symétriques, en aluminium moulé par injection
EP1471309A2 (fr) * 2003-04-24 2004-10-27 Industrie Meccaniche di Alano S.r.l. Radiateur avec des couvercles adaptables pour usage multiple, en particulier pour système de chauffage d'immeubles
WO2008049791A1 (fr) 2006-10-23 2008-05-02 De' Longhi Spa Dispositif mobile permettant de rechauffer des locaux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBS20110031A1 (it) * 2011-03-18 2012-09-19 Giorgio Lancini Elemento di radiatore, radiatore e relativo metodo di realizzazione
WO2012127508A1 (fr) * 2011-03-18 2012-09-27 Lancini Giorgio Élément de radiateur, radiateur et procédé de réalisation de celui-ci

Also Published As

Publication number Publication date
WO2010006901A1 (fr) 2010-01-21
EP2146170A8 (fr) 2010-03-03
EP2146170B1 (fr) 2014-08-06

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