EP1592928A1 - Profile creux pour utiliser l'energie solaire - Google Patents

Profile creux pour utiliser l'energie solaire

Info

Publication number
EP1592928A1
EP1592928A1 EP04700456A EP04700456A EP1592928A1 EP 1592928 A1 EP1592928 A1 EP 1592928A1 EP 04700456 A EP04700456 A EP 04700456A EP 04700456 A EP04700456 A EP 04700456A EP 1592928 A1 EP1592928 A1 EP 1592928A1
Authority
EP
European Patent Office
Prior art keywords
chamber profile
hollow chamber
cover layer
hollow
plastic
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.)
Withdrawn
Application number
EP04700456A
Other languages
German (de)
English (en)
Inventor
Horst Hinterneder
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.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
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 Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of EP1592928A1 publication Critical patent/EP1592928A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/54—Slab-like translucent elements
    • E04C2/543—Hollow multi-walled panels with integrated webs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
    • 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
    • F24S10/501—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits of plastic material
    • 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
    • F24S10/504—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by paired non-plane plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/50—Preventing overheating or overpressure
    • F24S40/52—Preventing overheating or overpressure by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/80—Arrangements for controlling solar heat collectors for controlling collection or absorption of solar radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/14—Details of absorbing elements characterised by the absorbing material made of plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/52—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by the material
    • F24S80/525—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by the material made of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • 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
    • F24S2025/6007—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by using form-fitting connection means, e.g. tongue and groove
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the invention relates to a hollow chamber profile for using solar energy according to the preamble of claim 1.
  • Solar collectors in the form of the hollow chamber profiles mentioned at the beginning offer an opportunity to use the solar radiation.
  • Such a profile construction which at the same time serves as a component for roofing and is therefore suitable for roofing absorption roofs, is shown, for example, in DE 27 49 490.
  • a heat transfer medium flowing through the profiles such as air, absorbs the heat of the profile heated by the solar radiation and dissipates it into the building via a manifold or the like.
  • the board-like hollow chamber profiles are arranged side by side and connected to each other by tongue and groove plug connections.
  • the individual profiles comprise a transparent upper part and a radiation-absorbing, for example black pigmented lower part, which are connected to one another by webs running in the longitudinal direction in such a way that parallel flow channels are formed in the interior.
  • the upper part and lower part are produced together by two-component extrusion from plastics with the desired properties.
  • the poor weather resistance of the known hollow chamber profiles has proven to be problematic.
  • the transparent tops made from the usual plastics suffer from intense sunlight, so that they yellow over time and become cloudy.
  • structural impairments that can no longer meet the requirements in terms of impact and kick resistance.
  • a UV protective lacquer on the outside.
  • such a varnish coating considerably reduces the notched impact strength of the surface.
  • the object of the present invention is therefore to create a hollow chamber profile of the type mentioned at the outset, which is more resistant to the ultraviolet radiation component of sunlight and thus has a longer service life than the known hollow chamber profiles.
  • the upper part of the hollow chamber profile according to the invention is provided on its outside with a cover layer, which consists of a plastic that absorbs the ultraviolet radiation component and is otherwise transparent.
  • This UV-absorbing top layer is produced together with the upper part and the lower part by the combination of two-component extrusion with coextrusion.
  • the plastic top layer can ensure the required impact strength and blocks the ultraviolet radiation component, so that the transparent upper part of the hollow chamber profile is permanently protected from the aggressive radiation and maintains its optical and mechanical properties.
  • the upper part remains resistant to nerg yellowing and clouding over the long term and retains its mechanical strength.
  • the transparency is otherwise not affected, so that the efficiency of the profile is retained.
  • the joint production of the different components by two-component extrusion in combination with coextrusion is particularly simple and effective, while at the same time ensuring a reliable connection of the layers lying on top of one another.
  • thermotropic layer which either lies on the cover layer or lies between the upper part and the cover layer and, together with the upper part, the lower part and the cover layer, consists of two-component extrusion combined with coextrusion Plastic is made.
  • the transparency of the thermotropic layer depends on the temperature. A suitable choice of the layer material can prevent excessive heating of the interior of the hollow chamber profile. The plastic material becomes the thermotropic If the layer is chosen so that it becomes opaque at high temperatures and thus cannot be penetrated by the sun's rays, an excessive thermal load on the overall system can be avoided.
  • the transparency of the UV-absorbing cover layer itself is temperature-dependent in the manner described above.
  • the lower part of the hollow chamber profile is preferably reinforced by glass fibers. This can be advantageous from various points of view.
  • the inside of the glass-fiber-reinforced lower part can have an increased surface roughness, so that a linear flow of the heat transfer medium is disturbed and turbulence is generated which improve the heat transfer. In this way, a higher efficiency of the hollow chamber profiles is achieved.
  • the lower part can preferably have a lower coefficient of thermal expansion than the upper part.
  • the glass fiber reinforcement allows the thermal expansion of the lower part to be matched to that of the upper part, so that both parts of the hollow chamber profile have the same thermal expansion despite different temperatures and there can be no warping and leaks when the roof surface is heated.
  • an insulation layer spaced from the underside of the upper part is arranged in the interior of the hollow chamber profile, which together with the upper part, the lower part, the top layer and with a thermotropic layer which may be present by two-component extrusion in combination with coextrusion is made of plastic.
  • a heat-insulating air cushion can thus form between this insulation layer and the upper part, which should prevent heat from being emitted from the hollow chamber profile to the outside of the roof and losses occurring.
  • the webs that connect the upper part to the lower part are each formed proportionally by the upper and the lower part, in such a way that the height ratio of the web starting from the lower part Part of the web part starting from the upper part lies between 2: 1 and 3: 1.
  • Fig. 1 shows a side section through a first embodiment of the hollow chamber profile
  • FIG. 2 shows a section corresponding to FIG. 1 through a second embodiment of the hollow chamber profile.
  • the hollow chamber profile 10 in FIG. 1 comprises an upper part 12 and a lower part 14 made of different plastics and is produced by two-component extrusion.
  • the hollow chamber profile 10 can be joined in a manner to be described later with further, similar hollow chamber profiles 10 in such a way that the roof surface of an absorption roof is completely covered to absorb solar radiation.
  • the upper part 12 forms the outside of the roof surface, while the inside facing the building to be covered is formed by the lower part 14.
  • the upper part 12 and the lower part 14 rest on one another at their respective side edges, so that a cavity is enclosed in the interior of the hollow chamber profile 10.
  • the parts of the upper and lower parts 12, 14, which form the outer walls 16, 18 of the hollow chamber profile 10, are concavely curved with respect to one another, so that the cross section of the hollow chamber profile 10 is waisted approximately in its central region.
  • the cavity in the interior of the hollow chamber profile 10 is divided into a number of parallel flow channels 34, 36, 38, 40, 42, 44, 46 by a number of parallel webs 20, 22, 24, 26, 28, 30 running in the longitudinal direction of the profile 10. 48 subdivided, through which a heat transfer medium, not shown, in particular air can flow.
  • the flowing heat transfer medium absorbs the heat of the hollow chamber profile 10, which is warmed up by the solar radiation, and dissipates the heat into the interior of the building via a common manifold or the like, not shown.
  • the upper part 12 is made of a plastic that is transparent to the sun, while the lower part 14 absorbs the radiation that penetrates the upper part 12 as effectively as possible.
  • Both parts 12, 14 can consist of polycarbonate, which is transparent in the case of the upper part 12, while the lower part 14 is pigmented black.
  • the upper part 12 is provided on its outside, which corresponds to the roof surface, with a cover layer 50 made of a plastic, which absorbs the ultraviolet radiation component and is otherwise transparent.
  • This cover layer 50 prevents the components of the hollow chamber profile 10 lying underneath from being permanently impaired by the aggressive ultraviolet radiation and from deteriorating their optical and mechanical properties. In particular, it is to be avoided that the upper part 12 becomes cloudy or yellowed over the long term, and furthermore the breaking, impact and tread resistance of the overall construction is to be retained. The efficiency of the hollow chamber profile 10 is not impaired by the cover layer 50.
  • the cover layer 50 is produced together with the upper part 12 and the lower part 14 by two-component extrusion combined with coextrusion, so that at the same time a good bonding of the individual layers to one another can be ensured by a manufacturing process that is as simple as possible.
  • thermotropic layers can be provided on the top layer 50 or between the top part 12 and the top layer 50, which are produced together with the top part 12, the bottom part 14 and the top layer 50 by the two-component extrusion combined with coextrusion of plastic and their transparency changes depending on the temperature. If, for example, you choose a material for the thermotropic layer that becomes opaque to radiation at a high temperature, this can cause the interior to overheat Area of the hollow chamber profile 10 can be prevented. Of course, it is possible that the transparency of the cover layer 50 itself is temperature-dependent, so that the addition or application of additional thermotropic layers is unnecessary.
  • the plastic from which the lower part 14 is made is reinforced by glass fibers and has a roughened surface.
  • the roughening hinders a laminar flow through the flow channels 34,... 48, so that turbulence arises which contributes to the heat being released from the lower part 14 to the heat transfer medium.
  • the efficiency of the hollow chamber profile 10 is thereby improved.
  • the lower part 14 has a lower coefficient of thermal expansion than the upper part 12, so that both parts 12, 14 cannot warp against one another when heated differently, and poses, leaks and the like are avoided.
  • the webs 22,... 30 are each composed of a part 52 starting from the upper part 12 and a part 54 starting from the lower part 14. This is shown as an example on the web 22.
  • the respective web parts 52, 54 starting from the upper part and from the lower part 14 are dimensioned such that the web part 54 starting from the lower part 14 is dimensioned higher than the web part 52 starting from the upper part 12. In the case of the web 22 this is Height ratio of the lower web part 54 to the upper web part 52 is approximately between 2: 1 and 3: 1.
  • the webs 22, ..., 30 are thus largely absorbent, so that even with oblique radiation incident on the hollow chamber profile 10, a high degree of efficiency can be achieved.
  • the lower part 14 finally comprises fastening means for creating tongue and groove connections of the individual hollow chamber profiles 10 with one another.
  • the hollow chamber profile 10 in FIG. 1 is closed off by a spring strip 56, which is attached to the web 20 and encloses the flow channel 34 in its interior.
  • part of the web 30 and two chamber walls 58, 60 extending from it enclose a groove 62 into which a corresponding spring strip 56 of another hollow chamber profile 10, not shown, is inserted leaves.
  • a female connector 56 finds a firm hold in the groove 62
  • the female connector 56 has locking teeth 64 on its opposite surfaces, which are intended to snap into corresponding toothed bars 66 in the chamber walls 58, 60 of the groove 62.
  • each hollow section 10 is provided on its lower part 14 with fastening means, not shown, such as clips or the like, by means of which it can be fastened to the building to be covered.
  • the lower part 14 of the hollow chamber profile 70 from FIG. 2 is identical to that of the hollow chamber profile 10 from FIG. 1, so that the description of the details thereof is omitted here.
  • the upper part 72 consists of transparent plastic, which is covered with a cover layer 50 that is impermeable to UV radiation and also made of plastic. Also project on the underside of the upper part 72 are web parts 52 which, with corresponding web parts 54 of the lower part 14, form the webs running in the longitudinal direction inside the hollow chamber profile 70.
  • the upper part 72 shown here comprises an additional insulation layer 74 made of transparent plastic, which is spaced from the underside of the upper part 72. It connects the individual web parts 52 to one another and extends over the entire width of the upper part 72.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un profilé creux (10,70) pour utiliser l'énergie solaire, notamment pour couvrir des toits absorbants ou analogues. Ce profilé comprend une partie supérieure transparente (12,72) et une partie inférieure absorbant le rayonnement (14), ces deux parties étant en plastique fabriquées ensemble par extrusion de deux composantes et reliées à l'intérieur du profilé creux (10,70) par des traverses (20,...,30) longitudinales, de sorte qu'elles forment des canaux d'écoulement parallèles (34,...,48) pour un fluide caloporteur. La partie supérieure (12,72) est dotée sur sa face extérieure d'une couche de couverture (50) qui est réalisée avec la partie supérieure (12, 72) et la partie inférieure (14) par extrusion de deux composantes combinée à une coextrusion à partir d'un plastique transparent absorbant les rayons ultraviolets.
EP04700456A 2003-02-04 2004-01-07 Profile creux pour utiliser l'energie solaire Withdrawn EP1592928A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10304536 2003-02-04
DE10304536A DE10304536B3 (de) 2003-02-04 2003-02-04 Hohlkammerprofil zur Nutzung der Sonnenenergie
PCT/EP2004/000034 WO2004070287A1 (fr) 2003-02-04 2004-01-07 Profile creux pour utiliser l'energie solaire

Publications (1)

Publication Number Publication Date
EP1592928A1 true EP1592928A1 (fr) 2005-11-09

Family

ID=32103479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04700456A Withdrawn EP1592928A1 (fr) 2003-02-04 2004-01-07 Profile creux pour utiliser l'energie solaire

Country Status (11)

Country Link
US (1) US20060251865A1 (fr)
EP (1) EP1592928A1 (fr)
JP (1) JP4503591B2 (fr)
CN (1) CN100575812C (fr)
AU (1) AU2004209030B2 (fr)
BR (1) BRPI0407205A (fr)
DE (1) DE10304536B3 (fr)
HK (1) HK1089503A1 (fr)
MX (1) MXPA05008251A (fr)
WO (1) WO2004070287A1 (fr)
ZA (1) ZA200506116B (fr)

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ZA200506116B (en) 2006-11-29
BRPI0407205A (pt) 2006-01-24
CN100575812C (zh) 2009-12-30
AU2004209030A1 (en) 2004-08-19
CN1745281A (zh) 2006-03-08
JP4503591B2 (ja) 2010-07-14
HK1089503A1 (en) 2006-12-01
JP2006515414A (ja) 2006-05-25
MXPA05008251A (es) 2005-10-05
AU2004209030B2 (en) 2011-03-10
DE10304536B3 (de) 2004-05-13
WO2004070287A1 (fr) 2004-08-19
US20060251865A1 (en) 2006-11-09

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