WO2009083779A2 - Procédé pour fermer et étanchéifier une structure multicanaux utilisée en particulier dans des dispositifs thermiques - Google Patents

Procédé pour fermer et étanchéifier une structure multicanaux utilisée en particulier dans des dispositifs thermiques Download PDF

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Publication number
WO2009083779A2
WO2009083779A2 PCT/IB2008/003621 IB2008003621W WO2009083779A2 WO 2009083779 A2 WO2009083779 A2 WO 2009083779A2 IB 2008003621 W IB2008003621 W IB 2008003621W WO 2009083779 A2 WO2009083779 A2 WO 2009083779A2
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WO
WIPO (PCT)
Prior art keywords
plates
thermal device
channel
coupling
fluid
Prior art date
Application number
PCT/IB2008/003621
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English (en)
Other versions
WO2009083779A3 (fr
Inventor
Roberto Jona
Luigino Rosso
Original Assignee
Roberto Jona
Luigino Rosso
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 Roberto Jona, Luigino Rosso filed Critical Roberto Jona
Publication of WO2009083779A2 publication Critical patent/WO2009083779A2/fr
Publication of WO2009083779A3 publication Critical patent/WO2009083779A3/fr

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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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F24S10/502—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by paired plates and internal partition means
    • 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
    • F24S10/73—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits being of plastic material
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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

Definitions

  • the present invention pertains to provide a method of ribbed structure closure and specifically to a method of multi-channel structure closure useable as a thermal device.
  • Multi-channel ribbed plastic structures are widely commercially available and are used, among other purposes, for fabricating thermal devices.
  • CoroplastTM can be cited (http://www.coroplast.com/).
  • the aforesaid plastic multi-channel structure is an open one. Being cut out according to predetermined sizes, aforesaid structure needs sealing and feed/discharge means for converting into the thermal device.
  • the best known thermal application of multi-channel structures is a solar energy collector made of plastic.
  • a solar energy collector made of a plastic mass product structure is a very cost effective technical solution.
  • a number of patent documents teach great variety of technical solutions in which manifolds are coupled to terminal portions of the multichannel structure. The manifolds act as the sealing and feed/discharge means.
  • FIG. 1 illustrates the teaching of '597.
  • header 22 is provided at the edges to receive therein the solar heated fluid from the ends of the channels of the solar collectors to direct this fluid for its useful purpose.
  • a sealant 148 is used at the connector 145 for bonding and sealing the header 22 to each solar collector 24 in a substantially leak-proof connection.
  • this 'leak- proof connection' is doubtful since patent '597 does not mention what is used as the sealant 148. Either way, this type of sealing is entirely different from the one proposed in the present invention.
  • Patent Application No. WO03085329 ('329) relates to a solar panel structure constructed from extruded translucent thermoplastic sheeting for heating a dark, heat absorbing fluid by solar radiation.
  • FIGS. 2A and 2B illustrate the teaching of '329.
  • the end caps 22 and 24 are used to seal and close the structure 10.
  • those end caps are not integrated within structure 10.
  • end caps 22 and 24 are assembled to structure 10. Since, solar panels have to withstand high pressures and elevated temperatures the external caps may not endure the pressures and the temperatures and collapse thereby un-sealing the panel. It should be emphasized that obtaining a sealed panel structure without adding an external sealing element is an advantage.
  • US patent no. 4,898,153 ('153) relates to a low cost solar energy panel useful for domestic and industrial hot water heating, swimming pool heating, and home heating.
  • Patent '153 teaches end caps enabling a snaking flow.
  • FIG. 3 illustrates the teaching of patent '153.
  • the end caps provide flow contact between adjoining channels such that coupling arrangements are displaced by one channel against each other.
  • the method comprises steps selected inter alia from:
  • a multi-channel thermal device characterized by having at least one alveolar slab; said alveolar slab comprising: at least two plates (20, 30) separated by a plurality of parallel ribs (40) located along the longitudinal axis of said two plates, such that each pair of said ribs defines a channel (45) adapted to enable the flow of a thermal fluid; each of said two plate comprises broad terminal margins (46, 47), located transverse to longitudinal axis of said two plates;
  • step (c) coupling said broad terminal margin of said two plates together; and, wherein said step (c) of coupling said margins of said two plates together enabling said sealing of said multi-channel thermal device; further wherein said step (c) of coupling said margin of said two plates together enables
  • the alveolar slab comprising: at least two plates (20, 30) separated by a plurality of parallel ribs (40) located along the longitudinal axis of said two plates, such that each pair of said ribs defines a channel (45) adapted to enable the flow of a thermal fluid; each of said two plates comprises broad terminal margins (46, 47), located transverse to longitudinal axis of said two plates; wherein said broad terminal margins are adapted to be coupled together such that the terminal portion of said multi-channel device is sealed whilst enabling circulation of said fluid.
  • FIGS. 1-3 illustrate prior art teaching.
  • FIG. 4 is a side view photograph of a plastic multi-channel structure
  • FIG. 4A is a schematic figure showing the same
  • FIG. 5 is a side view photograph of milled out ribs at the terminal portion of the plastic multi-channel structure
  • FIGS. 5A and 5B are schematic figures showing the same
  • FIG. 6 is a side view photograph of terminal portions of the plastic plates coupled together; FIG. 6 also displays the non-ribbed internal space 65 which enables inter- channel thermal fluid flow by creating a channel which enables fluid - communication between all the channels 45.
  • FIG. 6a is a schematic figure showing the same
  • FIG. 7 is a close-up photograph of the sealed terminal portion of the plastic multi-channel structure
  • FIG. 7a is a schematic figure showing the same;
  • FIG. 8 is a flow diagram of a thermal device;
  • FIG. 9 is a photograph of the thermal device furnished with inlet and outlet pipes.
  • FIG. 9a is a schematic figure showing the same.
  • FIG. 10 is a close-up photograph of the inlet/outlet pipe
  • FIG. 10a is a schematic figure showing the same
  • FIGS. 11-12 are exemplary graphs of test results.
  • multi-channel structure refers to a structure made preferably of plastic having a housing formed by two plates.
  • a plurality of parallel channels (passages) is formed by a plurality of parallel ribs coupling the aforesaid plates.
  • the term "about” refers hereinafter to a range of 25% below or above the referred value.
  • thermal device hereinafter refers to a heater/cooler that constitutes any object that emits and/or extracts and/or collects heat and/or causes another body to achieve a higher and/or lower temperature.
  • thermal devices are used for many purposes, " among them, heating or cooling indoor premises.
  • heat transfer fluid hereinafter refers to a fluid which flows through a thermal device in order to transfer or extract the heat to/from other devices that utilize or dissipate it.
  • An ideal heat exchange fluid has high thermal capacity, low viscosity, low- cost, and is chemically inert, neither causing nor promoting corrosion of the heating/cooling system.
  • stress concentration refers to a location in an object where stress is concentrated. An object is strongest when force is evenly distributed over its area, so a reduction in area, e.g. caused by a crack, results in a localized increase in stress.
  • a material can fail, via a propagating crack, when a concentrated stress exceeds the material's theoretical cohesive strength. The real fracture strength of a material is always lower than the theoretical value because most materials contain small cracks that concentrate stress. Fatigue cracks always start at stress concentrations, so removing such defects increases the fatigue strength.
  • EN 12975 2-2006 hereinafter refers to the European standard for thermal solar systems and components, specifically to the part dealing with the ability of the solar system to withstand internal pressure (paragraph 5.2), high temperatures (paragraph 5.3), solar irradiance and climate changes, without leaking, swelling, distorting, shrinking or out gassing.
  • the sealing of the structure allows the structure to comply with EN 12975 2-2006 standard for thermal solar systems.
  • FIGS. 4 and 4 A showing a multi-channel structure 10 comprising two plates 20 and 30 being connected one to the other by a plurality of ribs 40 forming a plurality of channels 45; parts 46 arid 47 indicate the margins of plates 20 and
  • FIG 4A is a schematic figure showing the same.
  • FIGS. 5 and 5 A display a side view photograph (and a schematic figure of the same) of the milled ribs at the terminal portion of the plastic multi-channel structure 10. A portion of the ribs 40 are milled at the terminal portion of the multi-channel structure 10.
  • Milling a portion of ribs 40 enables coupling of a broad portion of margins 46 and 47 together into a hem 60 (shown iri FIG. 6). Aforesaid coupling the margins 46 and 47 allows sealing of the terminal portion of the structure 10.
  • all the ribs 40 are milled. However it should be emphasized that in a preferred embodiment of the present invention, at least one rib at each side of the panel remains untouched (i.e., un-milled) - as illustrated in
  • FIG. 5B is a diagrammatic representation of FIG. 5B.
  • FIGS. 6 to 7 A displaying the margins 46 and 47 coupled together by means of welding to form broad hem 60.
  • FIG. 6A is a cross sectional view of the milled ribs.
  • a non-ribbed internal space 65 enables inter-channel thermal fluid flow (not shown in FIG.
  • the non-ribbed internal space 65 enables inter-channel thermal fluid flow between all the channels 45 simply by the creation of a channel which enables fluid - communication between all said channels 45.
  • the non-ribbed internal space 65 visible in FIG. 6 is closed by welding in order to avoid any spilling or leakage of water out of the panel. It should be emphasized that since the sealing of the solar panel is obtained by coupling (e.g. welding) the margins (46 and 47) to form a relatively large overlapping or superposition area 60. Such a sealing also provides the structure with mechanical strength to withstand high pressures and/or elevated temperatures.
  • a thermal fluid can flow into the multi-channel structure 10 through an inlet pipe 70a, and being dispersed over the plurality of the channels 45 formed by the ribs 40, cools and/or heats the multi-channel structure 10 and its environment and flows out through an outlet pipe 70b.
  • FIGS. 9 to 1OA displaying the inlet and outlet pipes 70a and 70b respectively.
  • Inlet and outlet pipes 70a and 70b can be welded or glued to the external face of one of the plates (20 or 30) in a way to maximize the uniformity of the flow of the fluid into the thermal device.
  • the inlet and the outlet 70a and 70b are placed diagonally.
  • the commercially available multichannel structure is converted into the thermal device 80 for heating and/or cooling by sealing the terminal portions of aforesaid structure 10 and fluidly connecting the input and outlet pipes 70a 70b to the terminal portion of the multi-channel structure.
  • the main portion further comprises an integrated panel formed from a pair of spaced plates 20 and 30 separated by a series of uniformly spaced parallel ribs 40 running the full length of the two plates. Each pair of spaced ribs defines a channel 45 for the flow of a thermal fluid.
  • the terminal margins are sealed by coupling the plates 20 and 30 together in the hem 60, thus, sealing the device 10 and enabling fluid communication between the channels 45.
  • This type of coupling doesn't require the introduction of a third material for sealing the system, thus providing a homogeneous, uniform and continuous panel whilst avoiding interface differences, which can increase the risk of leakage, especially due to different material properties under extreme temperatures.
  • glue is used for the coupling of the two plates.
  • the glue is especially chosen such that it be will be compatible to the plates' material to avoid interface differences.
  • each material has its own coefficient of thermal expansion (i.e., the expansion in response to heating and contraction in response to cooling), using another type of material, could seriously damage the mechanical strength of the structure.
  • the plates remain complete and un-impaired such that no point of stress concentration is created along the plates, thus reducing the chances of breaks or leaks in the structure.
  • 46 and 47 can be pressed together by an external fastening device, and does not require an internal opposing tool to be as contra such that the plates are pressed against it.
  • the thermal device is made of plastic material (or any other similar material) able to keep a stable containment at relatively high temperature.
  • Plastic for example, can be chosen due to its low cost and high functional quality.
  • the tested embodiment for fabricating the device 80 uses polypropylene, but other plastic materials, like for example in a non limiting manner, polyvinyl chloride, polyethylene, polymethyl methacrylate are also suitable.
  • a method usable for sealing the terminal portions 60 of the thermal device 80 depends on the type of material of which the thermal device 80 is made. Particularly, the thermal device made of polypropylene is preferably sealed by welding. For other plastics gluing may be also suitable.
  • the present invention provides a method for sealing the multichannel thermal device.
  • the method comprises steps selected inter alia from obtaining the multi-channel structure 10; and, sealing the structure at the terminal portions.
  • steps selected inter alia from obtaining the multi-channel structure 10 To enable coupling of the margins 46 and 47 of plates 20 and 30 together, ribs 40 are grinded, without damaging the two faces; at the depth of, for example, 30-40 mm from the margins 46 and 47 (see FIG. 5). Once, a portion of ribs 40 are milled margins 46 and
  • stage plates 20 and 30 are very elastic and can be coupled together without breaking them.
  • the internal sides of the margins 46 and 47 are heated in a narrow 5-8 mm fascia. After heating, portions of margins 46 and 47, they are welded by pressing them together. Alternatively a small amount of appropriate glue may be introduced between the internal faces of the margins 46 and 47 in order to seal them firmly and permanently.
  • dimension ratio of the milled and welded portions is chosen so that an interior rib-freed space enables fluid connection between the channels 45 providing flowing the thermal fluid through the thermal device 80.
  • the inlet and outlet pipes (70a and 70b) are also weld to both the extremity of the panel in order to achieve a circulation of water.
  • FIGS. 8 and 9 present inlet/outlet pipe arrangement.
  • the inlet and outlet pipes 70a and 70b are disposed at the terminal portion of the thermal device in a way to make the fluid flow as uniform as possible. Diagonal position is one of the possible embodiments and is considered the most efficient for this purpose.
  • the thermal device 80 is used for under floor heating of indoor spaces.
  • a plurality of the thermal devices 80 are laid under floor in the rooms.
  • the technology of under floor heating is based on the principle of keeping the hot water circulating under the floor. Now a day, under floor heating is achieved by keeping the hot water circulating under the floor.
  • the circulation is actually performed by placing metal (usually copper) pipes under the floor, which form different patterns with the aim of saving metal and maximizing the touched surface.
  • the pipes are laid down at a distance varying from 15 to 25 cm and the temperature of the water flowing into them is drastically lower than that used in the common radiators. This allows important savings and a decisively improves the quality of heating the houses.
  • the under floor heating can be achieved more efficiently.
  • the slabs which are the "pipes" cost less than the metal's ones and the distribution of the heat (hot water) will be perfectly, uniform: in fact there will be no more empty spaces and the water temperature may be further lowered with three important advantages achieved: (i) provides perfect uniformity of distribution of the heat; (ii) decreases the cost of the heating carpet (plastic thermal device in comparison with metal pipes); (iii) decreases the costs for placing the heating devices under the floor and/or in side walls.
  • the same system is envisaged for heating greenhouses, with a big difference, which is the administration of heat firstly to the plant's roots. This administration to the roots will enable the roots to develop more than before. Then the heat will be dispersed into the greenhouse atmosphere, the warmed air will heat the plant. Thus high efficiency of heat distribution/administration will be achieved.
  • the thermal devices 80 can be used as air conditioning hanged at the ceiling, or eventually hidden behind a false ceiling.
  • the cool water circulating through the thermal devices 80 decreases the temperature of the room in the following way: the air in contact with the hanged panels will become cooler and hence, denser.
  • the dense air will decline and will be in contact with the people.
  • the warm air ascends and climb-up to reach the contact with the cooled thermal devices 80.
  • This air conditioning system is more comfortable than classical due to absence of heavily cooled directed air flows.
  • the thermal devices 80 can be used in a desalination system of sea water by distillation.
  • Sea water can be desalinated by distillation.
  • the sea water has to be heated in order to produce as much vapor as possible. This can be achieved exposing the thermal devices 80 to the sunlight into which the seawater will be kept circulating.
  • the thermal devices 80 can be used for pasteurization of drinking water.
  • the thermal device can be used in a cooling system which requires any kind of heating. Such a heating can be provided by the sealed thermal device disclosed in the present application.
  • a sealing method for a multichannel thermal device in which the multi-channel thermal device can withstand an internal increase in temperature up to about 140 degrees Celsius (and higher temperature) is provided.
  • the high temperature test is provided to verify that the solar panel (which is sealed according to the present invention) can withstand high irradiance level without failures such as collapse of the cover, meltdown, or any other malfunction. It is noted that the solar panel was empty from fluids. One of the fluid pipes was sealed to prevent cooling by natural circulation of air. One was left open to permit free expansion of air in the absorber.
  • the surrounding air temperature was between 20 and 38 degrees Celsius, the solar irradiance was 1000 W/m 2 for over an hour, and the surrounding air speed was less than 1 m/s. Although the panel temperature reached about 140 degrees Celsius, no apparent degradation, shrinkage out gassing or distortion were noted in the panels nor in the closure of said panel.
  • a sealing method for a multichannel thermal device in which the multi-channel thermal device can withstand an internal increase in temperature up to about 95 degrees Celsius is provided.
  • the high temperature test is provided to verify that the solar panel (which is sealed according to the present invention) can withstand high irradiance level without failures such as collapse of the cover, meltdown, or any other malfunction. The results of said tests are summarized in FIG. 12.
  • the exposure test provides reliability simulating operating conditions which are likely to occur during real service.
  • a solar panel which was sealed according to the present invention was mounted outdoors for a period of 30 days.
  • the solar panel was empty from fluids.
  • One of the fluid pipes was sealed to prevent cooling by natural circulation of air.
  • One was left open to permit free expansion of air in the absorber.
  • a sealing method for a multichannel thermal device in which the multi-channel thermal device can withstand an internal increase in pressure of at least about 5 atmospheres.
  • a panel sealed according to the method provided by the present invention can withstand pressures of at least about 5 atmospheres.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Package Closures (AREA)

Abstract

La présente invention propose un procédé pour étanchéifier un dispositif thermique, comprenant : (a) l'obtention d'un dispositif thermique multicanaux caractérisé en ce qu'il possède au moins une dalle alvéolaire comprenant au moins deux plaques séparées par une pluralité de nervures parallèles tout au long de l'axe longitudinal des plaques, de telle sorte que chaque paire desdites nervures définisse un canal adapté pour permettre l'écoulement d'un fluide thermique, chaque plaque comprend de larges marges terminales transversales par rapport à l'axe longitudinal des plaques ; (b) le meulage d'une partie desdites nervures positionnées le long de ladite large marge terminale desdites plaques ; et (c) l'accouplement desdites larges marges terminales des plaques, ledit accouplement desdites marges desdites deux plaques assurant l'étanchéité dudit dispositif thermique multicanaux et permettant (i) la communication du fluide entre lesdits canaux et (ii) la circulation dudit fluide.
PCT/IB2008/003621 2008-01-01 2008-12-24 Procédé pour fermer et étanchéifier une structure multicanaux utilisée en particulier dans des dispositifs thermiques WO2009083779A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL188530 2008-01-01
IL188530A IL188530A0 (en) 2008-01-01 2008-01-01 A method for closing and sealing a multi-channel structure used especially in thermal devices

Publications (2)

Publication Number Publication Date
WO2009083779A2 true WO2009083779A2 (fr) 2009-07-09
WO2009083779A3 WO2009083779A3 (fr) 2009-09-11

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PCT/IB2008/003621 WO2009083779A2 (fr) 2008-01-01 2008-12-24 Procédé pour fermer et étanchéifier une structure multicanaux utilisée en particulier dans des dispositifs thermiques

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IL (1) IL188530A0 (fr)
WO (1) WO2009083779A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2463671A (en) * 2008-09-19 2010-03-24 Richard David Bankart Method for constructing a building comprising a framework with a self supporting solar panel
TWI583474B (zh) * 2014-08-26 2017-05-21 Auras Technology Co Ltd Heat sealing method and finished product

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379777A1 (fr) * 1977-02-04 1978-09-01 Surrel Yves Capteur solaire
DE2742659A1 (de) * 1977-09-22 1979-03-29 Imchemie Kunststoff Gmbh Platte mit mehreren zueinander parallelen stegen
GB1551817A (en) * 1976-07-29 1979-09-05 Reavell T J Apparatus for utlilising solar energy
DE2922678A1 (de) * 1979-06-02 1980-12-04 Mengeringhausen Max Bautafel zur verwendung fuer die waermerueckgewinnung bei gebaeuden mit hilfe einer waermepumpe
GB2075663A (en) * 1980-05-08 1981-11-18 Rav Shemesh B M Solar heater
WO1993015368A1 (fr) * 1992-01-28 1993-08-05 Ferencz Jozsef Capteur solaire pour toits, murs et coupoles exploitant l'energie solaire, fonctionnant a l'aide d'un milieu liquide et/ou gazeux, et son procede de production
DE4321192A1 (de) * 1993-06-25 1995-01-05 Walter Graef Apparat zum Destillieren von Wasser im Niedertemperaturbereich
WO2003085329A1 (fr) * 2002-04-10 2003-10-16 Neil Christopher Hellmann Structure de panneau solaire

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1551817A (en) * 1976-07-29 1979-09-05 Reavell T J Apparatus for utlilising solar energy
FR2379777A1 (fr) * 1977-02-04 1978-09-01 Surrel Yves Capteur solaire
DE2742659A1 (de) * 1977-09-22 1979-03-29 Imchemie Kunststoff Gmbh Platte mit mehreren zueinander parallelen stegen
DE2922678A1 (de) * 1979-06-02 1980-12-04 Mengeringhausen Max Bautafel zur verwendung fuer die waermerueckgewinnung bei gebaeuden mit hilfe einer waermepumpe
GB2075663A (en) * 1980-05-08 1981-11-18 Rav Shemesh B M Solar heater
WO1993015368A1 (fr) * 1992-01-28 1993-08-05 Ferencz Jozsef Capteur solaire pour toits, murs et coupoles exploitant l'energie solaire, fonctionnant a l'aide d'un milieu liquide et/ou gazeux, et son procede de production
DE4321192A1 (de) * 1993-06-25 1995-01-05 Walter Graef Apparat zum Destillieren von Wasser im Niedertemperaturbereich
WO2003085329A1 (fr) * 2002-04-10 2003-10-16 Neil Christopher Hellmann Structure de panneau solaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2463671A (en) * 2008-09-19 2010-03-24 Richard David Bankart Method for constructing a building comprising a framework with a self supporting solar panel
GB2463671B (en) * 2008-09-19 2011-04-27 Richard David Bankart Building construction
TWI583474B (zh) * 2014-08-26 2017-05-21 Auras Technology Co Ltd Heat sealing method and finished product

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Publication number Publication date
IL188530A0 (en) 2008-11-03
WO2009083779A3 (fr) 2009-09-11

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