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WO2009008698A2 - Echangeur thermique - Google Patents

Echangeur thermique Download PDF

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Publication number
WO2009008698A2
WO2009008698A2 PCT/MY2008/000068 MY2008000068W WO2009008698A2 WO 2009008698 A2 WO2009008698 A2 WO 2009008698A2 MY 2008000068 W MY2008000068 W MY 2008000068W WO 2009008698 A2 WO2009008698 A2 WO 2009008698A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
heat
transfer
flat
curved surface
Prior art date
Application number
PCT/MY2008/000068
Other languages
English (en)
Other versions
WO2009008698A3 (fr
Inventor
Fook Chong Chai
Original Assignee
Fook Chong Chai
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 Fook Chong Chai filed Critical Fook Chong Chai
Priority claimed from MYPI20082609A external-priority patent/MY165407A/en
Publication of WO2009008698A2 publication Critical patent/WO2009008698A2/fr
Publication of WO2009008698A3 publication Critical patent/WO2009008698A3/fr

Links

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
    • 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
    • F28F1/16—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 the means being integral with the element, e.g. formed by extrusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • 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
    • F28D1/06—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 the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • 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
    • F28F1/20—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 the means being attachable to the element
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/6003—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by clamping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Definitions

  • This invention relates to a heat exchanger which facilitates the transfer of heat from a heat transfer fluid flowing in a tube to a flat or curved surface and vice versa.
  • the heat exchanger also can be used in the simultaneously heat transfer between a plurality of mediums.
  • FIG. 5 shows a prior art of a water heating apparatus (5) adopting such energy conservation concept.
  • the water heating apparatus (5) has a water storage tank having a cylindrical body (51) between top and bottom covers (52 and 53) with a spaced apart water inlet and outlet pipes (54 and 55) at the top cover (52) to pipe in cold water for heating up and to pipe out heated up hot water from the water storage tank.
  • the top cover (52) has an opening with a connector (59) fixed thereto through which a heat exchange coil (50) can be inserted into the water tank and tightened in place to the connector (59) with a hexagonal fastening device (58).
  • Heat laden heat transfer fluid from say an air- conditioning system flows into the heat exchange coil (50) in the water storage tank via a heat transfer fluid inlet pipe (56) and out through a heat transfer fluid outlet pipe (57). In the process, heat carried in the heat transfer fluid heats up water in the water storage tank.
  • the water heating apparatus (5) of this prior art has several disadvantages. Firstly, the coil (50) needs to be made from corrosive resistant materials, inclusive of resistant against chlorine in the water.
  • a tube or a tubular electric heating element as the case may be, is coiled around a curved surface to secure contacts between the tube or the tubular electric heating element and the curved surface
  • the tube or the tubular electric heating element will usually have to be welded or brazed to the flat surface or curved surface, which is a tedious and expensive process.
  • the tube is bonded to the flat or curved surface with a heat conducting cement. In this latter case, the thermal bond is usually unsatisfactory.
  • the heat exchanger of this invention finds applications in energy saving water heating technology involving heat pump and waste heat recovery from air conditioning system.
  • the heat exchanger of this invention also finds applications and in the manufacture of refrigerators, freezers, solar panel water heaters and electric storage water heaters.
  • the invention relates to a heat exchanger which facilitates the transfer of heat from a heat transfer fluid flowing in a tube to a flat or curved surface and vice versa.
  • the heat exchanger comprises an integral piece of metal having at least one tube with the or each of the tubes integrally connected longitudinally to the top surface of a bar and with the bottom surface of the bar in good thermal contact with the flat or curved surface where heat is to be transferred onto from the heat transfer fluid flowing there through the or each of the tubes of the heat exchanger.
  • the heat exchanger comprises an integral piece of metal having at least a pair of wings, with the or each pair of wings integrally connected longitudinally to the top surface of a bar and with the wings joined to each other at the end where the wings meets the bar and rising from the top surface of the bar, forming a substantially U-shaped channel between each pair of wings.
  • a tube or a tubular electric heating element may be circumferentially enclosed in a chamber formed by pressing the pair of wings towards one another when the tube or the tubular electric heating element is placed in the substantially U-shaped channel.
  • the heat exchanger of this invention can have numerous possible combinations of tubes and wings integrally connected to the bars to transfer heat between a plurality of mediums to or from a flat or curved surface.
  • Fig. 1 and Fig. Ia show a cross section of an embodiment of a heat exchanger of the present invention
  • Fig. Ib is a three dimension view, with truncated length, of the heat exchanger as shown in Fig. 1 ;
  • Fig. 2 and Fig. 2a show the cross section of another embodiment of a heat exchanger of the present invention
  • Fig. 2b is a three dimensional view, with truncated length, of the heat exchanger as shown in Fig. 2;
  • Fig. 2c shows cross sectional view of the heat exchanger of Fig. 2 with a tubular electric heating element circumferentially enclosed therein;
  • Fig. 2d is a three dimensional view, with truncated length, of the heat exchanger with a tubular electric heating element circumferentially enclosed therein as shown in Fig. 2c.
  • Fig. 3 is a cross sectional view illustrating one possible configuration of a heat exchanger with a combination of heat exchangers as illustrated in Fig. 1 and Fig. 2;
  • Fig. 4 is a cross sectional view illustrating another possible configuration of a heat exchanger with a combination of heat exchangers as illustrated in Fig. 1 and Fig. 2;
  • Fig. 5 shows a water heating apparatus of the prior art suitable for use in waste heat recovery;
  • Fig. 6 shows the use of heat exchanger of Fig. 1 in water heating apparatus
  • Fig. 7 shows a heat exchanger of Fig. 2 with the heat exchanger having tubular electric heating elements circumferentially enclosed in the chambers
  • Fig. 8 shows the use of the heat exchanger with tubular electric heating elements circumferentially enclosed in the chambers, as shown in Fig. 7, in a water heating apparatus.
  • the heat exchanger (1) comprises an integral piece of metal having a tube (11) and a bar (12) having a top and bottom surfaces (17 and 18) with the tube (11) integrally connected longitudinally to the top surface (17) of the bar (12).
  • the tube (11) allows a heat transfer fluid to flow there through.
  • the bottom surface (18) of the bar (12) is placed in contact with a flat or curved surface such that the bottom surface (18) of the bar (12) is in good thermal contact with the flat or curved surface onto which heat exchange is to be effected between the heat transfer fluid flowing through the tube (11) and the flat or curved surface.
  • the bar (12) greatly increases the contact surface between the heat exchanger and the flat or curved surface, thereby increasing the contact surfaces for heat transfer or exchange which otherwise will only be limited to a line contact defined by the loci of the tangential points where a tube meets the flat surface or curved surface. Since the heat exchanger is not in contact with water, aluminium or its alloys, which otherwise is attacked by chlorine in water can be used as the material for the manufacture of the heat exchanger.
  • aluminium or its alloys is that it costs only one seventh the price of copper. Further, articles of aluminium lend itself readily to manufacturing through an extrusion process, enabling different profiles to be manufactured cost effectively. Aluminium or tis alloys is relatively softer and therefore the heat exchanger of this invention could be coiled readily around a curved surface to facilitate heat transfer between heat transfer fluid following through the tube (11) of the heat exchanger (1) to a flat or curved surface.
  • the tube (11) is symmetrically located along the longitudinal axis of the bar (12) for balanced heat transfer from the tube (11) to the bar (12) on either side of the tube (11).
  • the cross section of the tube (11) is substantially circular in shape, although the extrusion process enables tube of other shape such as elliptical cross section to be manufactured equally readily.
  • the tubes (11) and the bar (12) of the heat exchanger (1) are substantially of the same length.
  • Fig. Ia shows a heat exchanger (1) of this invention where the bar (12) tapers off gradually at both the longitudinal edges (19) to maximize contact surface with the flat or curved surface and for esthetic reason.
  • Figs. 1 and Ia show only one tube (11) integrally connected to the bar (12), the heat exchanger (1) could have a plurality of tubes (11) connected to bar (12).
  • Fig. 6 shows an example of an application of the heat exchanger (1) as illustrated in Fig. 1.
  • the heat exchanger (1) is used to transfer heat to a storage tank of a water heating apparatus (6).
  • the water heating apparatus (6) comprises the heat exchanger (1) and a water storage tank of metal, the water storage tank has a cylindrical body (61) between top and bottom covers (62 and 63) with a spaced apart water inlet and outlet pipes (64 and 65) at the top cover (62).
  • the heat exchanger (1) is coiled firmly and tightly around the external surface of the cylindrical body (61) of the water storage tank in a helical or spiral manner such that the bottom surface (18) of the bar (12) of the heat exchanger (1) is in good thermal contact with the external surface of the cylindrical body (61) of the water storage tank to facilitate transfer of heat from heat transfer fluid flowing through the tube (11) of the heat exchanger (1) to the water stored in the water storage tank of metal.
  • Another example of the application of the heat exchanger (1) of this invention is its use in a solar panel.
  • the bottom surface (18) of the bar (12) of the heat exchanger (1) is in thermal contact with the collector of a solar panel to transfer solar energy harvested by the collector of the solar panel to water flowing through the or each of the tubes (11) of the heat exchanger (1) in a thermosiphon process, heating up water in the or each of the tubes (11) which then rises through a convection process into a water storage tank.
  • the heat exchanger (1) of this invention can similarly be used to transfer heat from a flat or curved surface to a heat transfer fluid flowing through the heat exchanger (1).
  • Figs. 2 and 2b show another embodiment of the heat exchanger (2) of this invention.
  • the heat exchanger (2) comprises an integral piece of metal having a pair of wings (25) and a bar (22) having a top and bottom surfaces (27 and 28), with the pair of wings (25) integrally connected longitudinally to the top surface of a bar (22) and with the pair of wings (25) joined to each other at the end where the wings (25) meets the bar (22) and rising from the top surface (27) of the bar (22), forming a substantially U-shaped channel (23) between the pair of wings (25).
  • the wings (25) are symmetrically located along the longitudinal axis of the bar (12) for balanced heat transfer from the wings (25) to the bar (22).
  • the wings (25) and the bar (22) of the heat exchanger (2) are substantially of the same length.
  • each of the wings (25) has a hook (26) outwardly bending away from the substantially U-shaped channel (23) at the free end. The hooks (26) facilitate the pressing of the pair of wings (25) towards one another to circumferentially enclose a tubular electric heating element in the chamber (24) formed by pressing of the wings (25) towards one another.
  • Fig. 2a shows a heat exchanger (2) of this invention where the bar (22) tapers off gradually at both the longitudinal edges (29) to maximize contact surface with the flat or curved surface and for esthetic reason.
  • FIGs. 2 and 2a show only one pair of wings (25) integrally connected to the bar (22), the heat exchanger (2) could have several pair of wings (25) integrally connected to the bar (22).
  • Figs. 2c and 2d show a tubular electric heating element having a pair of terminals connectable to a source of power supply circumferentially enclosed in a chamber (24) of the heat exchanger (2) wherein the chamber (24) is formed by pressing the pair of wings (25) in an inward direction towards the substantially U- shaped channel (23) when the tubular electric heating element (10) is placed in the substantially U-shaped channel (23) and with the internal surfaces of the wings (25) in good thermal contacts with the surface of the tubular electric heating element (10).
  • Figs. 2 and 2a show only one pair of wings (25) integrally connected to the bar (22), the heat exchanger (2) could have several pair of wings (25) integrally connected to the bar (22).
  • Figs. 2c and 2d show a tubular electric heating element having a pair of terminals connectable to a source
  • a gap is shown between the wings (25) and the tubular electric heating element (10) for illustration purpose only. In practice, there should be direct contacts between the internal surfaces of the wings (25) and the surface of the tubular electric heating element (10) to ensure good thermal contacts..
  • Fig. 7 shows an application of the heat exchanger illustrated in Figs. 2c and 2d.
  • a heat exchanger (7) has two tubular electric heating elements (73) circumferentially enclosed in the respectively chambers (71) of the heat exchanger (7) wherein each chamber (71) is formed by pressing the pair of wings in an inward direction towards the substantially U-shaped channel when the tubular electric heating element is placed in the substantially U-shaped channel and with the internal surfaces of the wings in good thermal contacts with the surface of each of the tubular electric heating element (71).
  • the tubular electric heating elements (71) are connected to an electricity supply via wires (75, 76).
  • Various holes (77) are provided on the heat exchanger (7) for the heat exchanger (7) to be mounted on another apparatus with the aids of studs (not shown).
  • Fig. 8 shows the use of the heat exchanger with tubular electric heating elements circumferentially enclosed in the chambers (7) in heating up water contained in a water storage tank.
  • the water storage tank has a cylindrical body (81) between top and bottom covers (82 and 83) with a spaced apart water inlet and outlet pipes (84 and 85) at the top cover (82).
  • the heat exchanger with tubular electric heating elements circumferentially enclosed in the chambers (7) is fixedly mounted on the external surface of the water storage tank of the water heating apparatus (8) in such a way so as to ensure good thermal contact between the external surface of the water storage tank and the bottom surface (78) of the bar (72) of the heat exchanger (7).
  • the bar (72) greatly increases the contact surface between the heat exchanger (7) and the curved surface of the water storage tank, thereby increasing the contact surfaces for heat transfer.
  • Aluminium or its alloys is again the preferred material for the manufacture of heat exchanger (7) of this embodiment.
  • a tube substitutes the tubular electric heating element (10) described earlier.
  • the tube (10) is preferably made of stainless steel or titanium.
  • the heat exchanger (2) with a tube (not shown) circumferentially enclosed in the chamber (24) can be used to transfer heat from a heat transfer fluid flowing in the tube to a storage tank of a water heating apparatus (6).
  • the water heating apparatus (6) comprises the heat exchanger (2) with a tube circumferentially enclosed in the chamber (24) and a water storage tank of metal.
  • the water storage tank has a cylindrical body (61) between top and bottom covers (62 and 63) with a spaced apart water inlet and outlet pipes (64 and 65) at the top cover (62).
  • the heat exchanger (2) with a tube circumferentially enclosed in the chamber (24) is coiled firmly and tightly around the external surface of the cylindrical body (61) of the water storage tank in a helical or spiral manner such that the bottom surface (28) of the bar (22) of the heat exchanger (2) is in good thermal contact with the external surface of the cylindrical body (61) of the water storage tank to effect transfer of heat from heat transfer fluid flowing through the tube circumferentially enclosed in the chamber (24) in the heat exchanger (2) to the water stored in the water storage tank of metal.
  • FIG. 3 illustrates a heat exchanger (3) for use in the transfer of heat to or from a flat or curved surface with a combination of tube and wings as described earlier.
  • the heat exchanger (3) comprises an integral piece of metal with a combination of two tubes (31, 31a) and a pair of wings (35), with each tube (31 or 31a) and the pair of wings (35) rising from the top surface (37) of a bar (32), forming a substantially U- shaped channel (33) between each pair of wings (35).
  • Fig. 4 illustrates a heat exchanger (4) for use in the transfer of heat to or from a flat or curved surface
  • the heat exchanger (4) comprises an integral piece of metal with a combination of two tubes (41, 41a) and two pairs of wings (45, 45a), with each of the tubes (41 or 41a) and each pair of wings (45 or 45 a) rising from the top surface (47) of a bar (42), forming respective substantially U-shaped channels (43 or 43 a) between each pair of wings (45 or 45 a).
  • the heat exchanger of this invention can have numerous possible combinations of tubes and wings connected to the bars to transfer heat to or from a flat or curved surface.
  • Figs. 1, 2, 3 and 4 are merely some of the possible combinations.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Dispersion Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention porte sur un échangeur thermique qui facilite le transfert de chaleur d'un fluide de transfert de chaleur circulant dans un tube à une surface plate ou cintrée et réciproquement. Un mode de réalisation de l'échangeur thermique (1) comporte une pièce intégrale de métal ayant au moins un tube (11), le ou chacun des tubes (11) étant intégralement reliés longitudinalement à la surface supérieure (17) d'une barre (12) et la surface inférieure (18) de la barre (12) étant en bon contact thermique avec la surface plate ou cintrée sur laquelle la chaleur doit être transférée à partir du fluide de transfert de chaleur circulant à travers le ou chacun des tubes (11) de l'échangeur thermique (1). Dans un autre mode de réalisation, l'échangeur thermique (2) comporte une pièce intégrale de métal ayant au moins une paire d'ailettes (25), la ou chaque paire d'ailettes (25) étant intégralement reliée longitudinalement à la surface supérieure (27) d'une barre (22) et les ailettes (25) se dressant à partir de la surface supérieure (27) de la barre (22), formant un canal sensiblement en forme de U (23) entre chaque paire d'ailettes (25). Dans ce mode de réalisation, un tube ou un élément de chauffage électrique tubulaire (10) peut être enfermé de manière périphérique dans une chambre (24) formée par pression de la paire d'ailettes (25) l'une vers l'autre lorsque le tube ou l'élément de chauffage électrique tubulaire (10) est placé dans le canal sensiblement en forme de U (23). L'échangeur thermique de cette invention peut avoir de nombreuses combinaisons possibles de tubes et d'ailettes reliés aux barres pour transférer la chaleur vers une surface plate ou cintré ou à partir d'une surface plate ou cintrée.
PCT/MY2008/000068 2007-07-12 2008-07-14 Echangeur thermique WO2009008698A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
MYUI20071119 2007-07-12
MYPI20071119 2007-07-12
MYPI20082609 2008-07-14
MYPI20082609A MY165407A (en) 2007-07-12 2008-07-14 Water heating apparatus

Publications (2)

Publication Number Publication Date
WO2009008698A2 true WO2009008698A2 (fr) 2009-01-15
WO2009008698A3 WO2009008698A3 (fr) 2009-09-24

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ID=39930423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MY2008/000068 WO2009008698A2 (fr) 2007-07-12 2008-07-14 Echangeur thermique

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Country Link
WO (1) WO2009008698A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011069693A1 (fr) * 2009-12-11 2011-06-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Tube échangeur thermique
WO2013111099A3 (fr) * 2012-01-25 2013-11-07 Krzysztof Bartoszewski Panneau présentant des propriétés d'émission et d'absorption, en particulier panneau de chauffage et de refroidissement
IT201600075949A1 (it) * 2016-07-20 2018-01-20 Novamet S R L Tubo, per circuiti termodinamici, per la trasmissione del calore tra lo stesso tubo ed un altro corpo mediante conduzione.
WO2023144315A1 (fr) * 2022-01-28 2023-08-03 Hydro Extruded Solutions As Tube de condenseur, procédé de transfert de chaleur et appareil d'échange de chaleur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1175754A (en) * 1967-02-15 1969-12-23 Gessner Kg E Container for Liquids to be Heated or to be Cooled
US3384167A (en) * 1967-04-03 1968-05-21 Javkin Simon Band for heat exchange
CH629293A5 (de) * 1977-12-19 1982-04-15 Irasol Ag Solarkollektor mit einem in ein evakuiertes glasrohr eingebauten absorber.
US5960869A (en) * 1997-08-14 1999-10-05 Tippmann; Joseph R. Support surface for heating food articles and the method of making same
DE20314557U1 (de) * 2003-09-19 2003-11-20 Sauermann, Franz, 86558 Hohenwart Behälter für aggressive Flüssigkeiten mit Heiz- und/oder Kühlmöglichkeit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011069693A1 (fr) * 2009-12-11 2011-06-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Tube échangeur thermique
CN102741644A (zh) * 2009-12-11 2012-10-17 德国航空航天中心 传热管
WO2013111099A3 (fr) * 2012-01-25 2013-11-07 Krzysztof Bartoszewski Panneau présentant des propriétés d'émission et d'absorption, en particulier panneau de chauffage et de refroidissement
IT201600075949A1 (it) * 2016-07-20 2018-01-20 Novamet S R L Tubo, per circuiti termodinamici, per la trasmissione del calore tra lo stesso tubo ed un altro corpo mediante conduzione.
WO2023144315A1 (fr) * 2022-01-28 2023-08-03 Hydro Extruded Solutions As Tube de condenseur, procédé de transfert de chaleur et appareil d'échange de chaleur

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