EP1043560B1 - Radiator unit for heating plants - Google Patents

Radiator unit for heating plants Download PDF

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Publication number
EP1043560B1
EP1043560B1 EP99830198A EP99830198A EP1043560B1 EP 1043560 B1 EP1043560 B1 EP 1043560B1 EP 99830198 A EP99830198 A EP 99830198A EP 99830198 A EP99830198 A EP 99830198A EP 1043560 B1 EP1043560 B1 EP 1043560B1
Authority
EP
European Patent Office
Prior art keywords
radiator unit
bodies
aluminium
vertical
mouths
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
EP99830198A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1043560A1 (en
Inventor
Valerio Gruppioni
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.)
Sira SpA
Original Assignee
Sira 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 Sira SpA filed Critical Sira SpA
Priority to PT99830198T priority Critical patent/PT1043560E/pt
Priority to AT99830198T priority patent/ATE258672T1/de
Priority to DE69914453T priority patent/DE69914453T2/de
Priority to ES99830198T priority patent/ES2214833T3/es
Priority to EP99830198A priority patent/EP1043560B1/en
Priority to RU99116969/06A priority patent/RU2177589C2/ru
Publication of EP1043560A1 publication Critical patent/EP1043560A1/en
Application granted granted Critical
Publication of EP1043560B1 publication Critical patent/EP1043560B1/en
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
    • 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
    • F28D1/0233—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 air flow channels
    • 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
    • F28D1/05308—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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/088—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal for domestic or space-heating systems
    • 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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • 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

Definitions

  • the invention refers to a bimetallic radiator unit as defined in the preamble of claim 1.
  • Such a radiator is known for instance from EP-A1-0 481 154 for heating plants made without weldings.
  • the invention achieves, in comparison with the known prior art, a considerable cut in the manufacturing costs and also a bigger corrosion strenght on the mouths of the vertical pipes.
  • Said improvements to be obtained by using a structural body forming the vertical pipe consists of an aluminium draw piece in the inner channel of which is inserted by pressure a steel pipe of the same lenght.
  • two aluminium alloy bodies are provided, to be made by pressure casting, in form of horizontal pipes having vertical pipes extending downwards to be axially inserted into the last part of the channels of the interposed aluminium draw pieces.
  • the radiator unit is to be formed under press by assembling the three parts with axial blocking of the vertical pipes extending downwards inside the mouths of the inner channels of the central bodies.
  • a working which consists of the moulding of a steel tubolar core to be formed for welding of the flattened ends of two parallel pieces of pipes with end parts converg ing simmetrically to outward.
  • Said steel core to be placed on pins into a pressure casting mould so to obtain , with the formation of the covering part in aluminium alloy, a preliminary bimetallic working body to be let in the following workings on feed line.
  • a couple of cutter units come to act.
  • Said cutter units advancing into the horizontal pipes, work the removal on the pipe borders of the coming out end parts of the tubolar core. Then, secondly, the knurling is made on the pipe inside mouths so carrying away the residuals.
  • the threads are made on the external mouths so permitting the assembling of the units by using known threaded pieces put like inside pipe-fitting of the horizontal pipes.
  • the above cited working producing the present known radiators of bigger assurance from the manufacturing point of view, has the drawbacks of high raw materials costs and high working costs while, from the use point of view, the presence, connected with the inside mouths of the horizontal pipes, of two materials with different corrosion coefficient, like the steel of the vertical pipes and the aluminium alloy of the pressure casting covering, determines for puking the formation of grooves acting like flow slowdown and like decay of the same radiator.
  • Another manufacturing system as described and shown in the Italian Patent Application BO97A 000336, teaches to actuate, into a pressure casting mould, a preliminar working aluminium body in which to longitudinally engloble a steel conduit for the vertical pipe.
  • Said second system permits an important cut of the manufacturing costs by actuating a new kind of vertical pipe with only one channel and comes to elminate both the first working to form the core with parallel pieces of pipe than the following working of cutting and knurling but, from the use point of view, it presents the same drawbacks of the system described in the European Patent Application no. 96830380.0.
  • the present invention creates a new radiator unit having a structural strengthening on the inside mouths of the pipes by forming a coaxial compound structure coming out from the fitting up of the vertical pipes extending downwards from the horizontal pipes into the mouths of the vertical pipes.
  • the realized radiator unit permits, moreover, a high cut of the raw material costs and a cut of the working cost s such as it actuates a radiator unit to be formed for only assembling of three parts.
  • three parts two ones in aluminium alloy, to be realized by pressure casting, in form of horizontal pipes, so greatly reducing the part to be made by hot pressing, while the third part consists of a aluminium draw piece, to be obtained for cut from a semi-manufactured product, and determines the vertical pipe being the smaller corrosin strength, given to the aluminium, obviates by the setting out in its inner channel of a steel pipe.
  • the new radiator unit is to be formed by an only assembling phase.
  • the invented radiator unit is to be formed by assembling of three prearranged parts: a) an upper die forming body with wrapping part 1 in the form of a horizontal pipe 5 with counterposed diffuser fins 2 and 3, lower forming coming out sectors, with said pipe 5 having at its ends threaded mouths 4 and having two openings in the form of vertical pipes 6 extending downwards with recessed portions 8 at the ends of their walls 7; b) a couple of bodies 9 in aluminium draw pieces, to be put in interposition, comprising inner channels 10 in which steel pipes 11 are inserted; c) a lower die forming body with wrapping part 12 in the form of a horizontal pipe 5 with counterposed diffuser fins 13 and 14, upper forming coming out sectors, with said pipe 5 having at its ends threaded mouths 4 and having two openings in the form of vertical pipes 6 extending downwards with recessed portions 16 at the ends of their walls 15.
  • the radiator unit is to be formed under press with an only assembling phase determining the insertion of the recessed portions 8 and 16 of vertical pipes 6 into the mouths of the inner channels 10 of the couple of aluminium bodies 9 in which steel pipes 11 are inserted.
  • this assembling the stabilization is moreover given by the coming out sectors of the two couples of diffuser fins 2,3 and 13,14 which come to contain the end parts of the aluminium body 9.
  • Each interposed body 9 is to be formed from an aluminium draw piece and with pressure insertion of a steel pipe 11 of the same length inside its channel pipe 10.
  • the radiator unit is formed of an upper wrapping part 1 and of a lower wrapping part 12 having three diffuser fins 2, 3 and 13, 14, three vertical channels 6 extending downwards with recessed portions 8 and 16.
  • the three separed bodies and the final radiator unit are illustrated in the drawings of sheets 1, 2, 3, 4, 5, 6, 7 and 8.
  • sheet 1 the upper die forming body with wrapping part 1 is illustrated in section views.
  • figure 1 is transversal section view of said upper body in correspondance of one of the vertical pipe 6 extending downwards.
  • Figure 2 is longitudinal section view of the upper body.
  • Figure 3 is section view of the upper body bewildered of 90° in comparison with the view of figure 2 to show the couple of vertical pipes 6 extending downwards.
  • sheet 2 the upper body is illustrated from outside.
  • FIG 4 is a lateral view.
  • Figure 5 is a lateral perspective view.
  • Figure 6 is perspective view from the other side.
  • sheet 3 the lower die forming body with wrapping part 12 is illustrated in section views.
  • Figure 7 is transversal section view of said lower body in correspondance of one of the vertical pipe 6 extending downwards.
  • Figure 8 is longitudinal, section view of the lower body.
  • Figure 9 is section view of the lower body bewildered of 90° in comparison with the view of figure 8 to show the the couple of vertical pipes 6 extending downwards.
  • the lower body is illustrated from outside.
  • FIG 10 is a lateral view.
  • Figure 11 is a lateral perspective view.
  • Figure 12 is perspective view from the other side.
  • sheet 5 is illustrated the body 9 in aluminium draw piece forming the central part with the channel.
  • FIG 13 is perspective view of the body 9.
  • Figure 14 is view from the top.
  • Figure 15 is front view of the same.
  • the parts of the radiator unit for heating plants are illustrated in the different phases of the assembling.
  • FIG 16 is perspective view of the aluminium body 9 with the steel pipe 11 before to be inserted inside its channel 10.
  • Figure 17 is perspective view of the aluminium body 9 having inside its channel 10 the steel pipe 11.
  • Figure 18 is perspective view of the upper die forming body with wrapping part 1 and of the lower die forming body with wrapping part 12 in a theorical disposition before the assembling phase to be realized under press.
  • Figure 19 is perspective view of the bodies to form the radiator unit in a second embodiment.
  • sheet 7 figure 20 is longitudinal section view of a radiator unit for heating plants realized on the base of the present invention to show the recessed portions 8 and 16 inserted into the channel 11 having in its inside the steel pipe 11.
  • sheet 8 figure 21 is perspective view of a radiator unit for heating plants with the upper die forming body (1,2,3) and the lower die forming body (12, 13, 14).

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)
  • Sorption Type Refrigeration Machines (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP99830198A 1999-04-06 1999-04-06 Radiator unit for heating plants Expired - Lifetime EP1043560B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PT99830198T PT1043560E (pt) 1999-04-06 1999-04-06 Unidade de radiador para instalacoes de aquecimento
AT99830198T ATE258672T1 (de) 1999-04-06 1999-04-06 Heizkörper für heizungsanlage
DE69914453T DE69914453T2 (de) 1999-04-06 1999-04-06 Heizkörper für Heizungsanlage
ES99830198T ES2214833T3 (es) 1999-04-06 1999-04-06 Unidad de radiador para plantas de calefaccion.
EP99830198A EP1043560B1 (en) 1999-04-06 1999-04-06 Radiator unit for heating plants
RU99116969/06A RU2177589C2 (ru) 1999-04-06 1999-08-02 Модуль радиатора для отопительных установок

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99830198A EP1043560B1 (en) 1999-04-06 1999-04-06 Radiator unit for heating plants

Publications (2)

Publication Number Publication Date
EP1043560A1 EP1043560A1 (en) 2000-10-11
EP1043560B1 true EP1043560B1 (en) 2004-01-28

Family

ID=8243343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99830198A Expired - Lifetime EP1043560B1 (en) 1999-04-06 1999-04-06 Radiator unit for heating plants

Country Status (6)

Country Link
EP (1) EP1043560B1 (pt)
AT (1) ATE258672T1 (pt)
DE (1) DE69914453T2 (pt)
ES (1) ES2214833T3 (pt)
PT (1) PT1043560E (pt)
RU (1) RU2177589C2 (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155852A (zh) * 2011-03-25 2011-08-17 常熟市格威普气体设备有限公司 散热器
RU2536879C2 (ru) * 2010-12-17 2014-12-27 Василий Иванович Рева Способ увеличения тепловой мощности и отопительный прибор конвекционного типа для его осуществления
US11486648B2 (en) * 2017-01-30 2022-11-01 Kyocera Corporation Heat exchanger

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA69319C2 (en) * 2003-12-25 2007-06-11 Ltd Liability Company Pres Heating radiator
ITBS20060210A1 (it) * 2006-12-06 2008-06-07 Radiatori 2000 Spa Elemento modulare per la composizione di radiatori per riscaldamentoe procedimento di fabbricazione
EP1995546A1 (en) * 2007-05-25 2008-11-26 Irsap Spa Method of producing a radiator, and radiator produced by such a method
RU2486414C1 (ru) * 2012-03-22 2013-06-27 Александр Викторович Галецкий Способ соединения штуцеров с коллектором и устройство для пластической деформации
US20140116420A1 (en) * 2012-10-29 2014-05-01 Bio-Tecture, Inc. Sunshade with integrated solar thermal collector
CN104075370B (zh) * 2014-06-10 2016-06-15 常熟市格威普气体设备有限公司 散热器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT960725B (it) * 1972-05-31 1973-11-30 Faral Spa Procedimento per fabbricare radia tori per termosifoni mediante bar re profilate estruse in lega leg gera
IT971457B (it) * 1973-03-12 1974-04-30 Santoro Gennaro Sistema di raccordi ed assemblaggio per elementi radiatori ad acqua calda in leghe leggere estruse e pressofuse
AT327449B (de) * 1973-06-13 1976-01-26 Vmw Ranshofen Berndorf Ag Radiator
EP0044365A1 (en) * 1980-07-22 1982-01-27 Alcan Aluminium (Uk) Limited Radiators for use in hot water central heating systems
EP0481154A1 (en) * 1990-10-16 1992-04-22 S.I.R.A. Srl Bimetal radiator for building heating plants
BE1004933A3 (fr) * 1991-06-11 1993-03-02 Genebrev Sa Dispositifs d'etancheite pour echangeurs de chaleur.
CH688356A5 (it) * 1993-07-02 1997-08-15 Abdul Amir Mahdi Radiatore composto da elementi radianti e membri di supporto collegati per mezzo di accoppiamento forzato.
IT1292600B1 (it) 1997-06-05 1999-02-08 S I R A S P A Sistema per realizzare la canalizzazione del fluido nei radiatori bimetallici modulari da riscaldamento.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2536879C2 (ru) * 2010-12-17 2014-12-27 Василий Иванович Рева Способ увеличения тепловой мощности и отопительный прибор конвекционного типа для его осуществления
CN102155852A (zh) * 2011-03-25 2011-08-17 常熟市格威普气体设备有限公司 散热器
CN102155852B (zh) * 2011-03-25 2012-12-26 常熟市格威普气体设备有限公司 散热器
US11486648B2 (en) * 2017-01-30 2022-11-01 Kyocera Corporation Heat exchanger

Also Published As

Publication number Publication date
EP1043560A1 (en) 2000-10-11
RU2177589C2 (ru) 2001-12-27
PT1043560E (pt) 2004-05-31
ATE258672T1 (de) 2004-02-15
DE69914453T2 (de) 2004-12-02
ES2214833T3 (es) 2004-09-16
DE69914453D1 (de) 2004-03-04

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