WO2006121345A1 - Solar collector element - Google Patents
Solar collector element Download PDFInfo
- Publication number
- WO2006121345A1 WO2006121345A1 PCT/NO2006/000176 NO2006000176W WO2006121345A1 WO 2006121345 A1 WO2006121345 A1 WO 2006121345A1 NO 2006000176 W NO2006000176 W NO 2006000176W WO 2006121345 A1 WO2006121345 A1 WO 2006121345A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- solar collector
- lengths
- panel
- collector element
- Prior art date
Links
Classifications
-
- 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
- F24S80/40—Casings
- F24S80/45—Casings characterised by the 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
- F24S10/70—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
- F24S10/755—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being otherwise bent, e.g. zig-zag
-
- 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
- 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
-
- 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
- F24S80/56—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by means for preventing heat loss
-
- 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
- F24S80/58—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by their mountings or fixing means
-
- 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
- F24S2020/10—Solar modules layout; Modular arrangements
-
- 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
Definitions
- the present invention relates to a sunlight or solar collector element comprising a plurality of lengths of pipe through which a heating medium is to circulate, the lengths of pipe being in contact with a heat-collecting metal plate which is to absorb solar energy and transfer it to said length of pipe and the heating medium circulating therein.
- the invention also relates to a sunlight or solar thermal collector for a sloping house roof comprising such solar collector elements.
- the solar collectors that are sold on the European continent are expensive, but are of good quality. Usually, a solar collector of from 1-4 m 2 is installed on a house, and this is normally used just for heating domestic water.
- the heat storage tank used may contain from 50 to 300 litres. The relatively high price makes solar collector technology even less attractive in Norway because of the low outside temperature and problems with snow in the winter. An installation that is sufficiently large to produce the required output will also be disproportionately heavy.
- a solar collector element as referred to above is known, for example, from JP 57006261 A.
- the lengths of pipe run parallel between an inlet manifold and an outlet manifold.
- the lengths of pipe are placed relatively close together and all are in contact with one and the same metal plate, which is provided with grooves that surround portions of the outer surface of the pipes.
- the parallel connection means that there tends to be different water flow in the different lengths of pipe in the solar collector, which reduces the output.
- the lengths of pipe are usually welded to the manifolds, which results in joints that are time-consuming to make and which may be potential leakage points. In particular in large installations, there have been problems with frost damage, which means that the installation has not been able to be emptied adequately of water.
- the object of the present invention is to provide a solar energy collector which makes it practically and economically possible to harness solar energy also in colder latitudes. This means that the solar collector must be inexpensive to produce, must be capable of utilising the warmth of the weak winter sun, must be able to withstand being covered by snow and should also be suitable for domestic heating.
- a solar collector element of the type mentioned above wherein the characteristic features are that the lengths of pipe are arranged basically horizontal in the mounted state of the element, that the lengths of pipe are connected in series to each other, and that a substantial part of the element is covered by a panel or sheet of basically transparent plastic material.
- the lengths of pipe are series-connected, the water, as it circulates through the solar collector element, will come into contact with a much greater heat transferring surface than if the pipes had been parallel-connected. This means that even relatively small temperature differences between the solar energy collecting space in the element and the circulating water can be utilised even in feeble winter sunlight and misty weather. Furthermore, the basically horizontal orientation of the lengths of pipe makes it possible to utilise them for support of the external cover panel in the area between the points of support for the solar collector element on the rafters of the underlying roof on which they are mounted.
- the invention also relates to a solar collector for a sloping house roof comprising aforementioned solar collector elements.
- the solar collector is characterised in that several elements are placed adjacent to each other so as to cover a substantial part of the height of the whole roof from gutter to ridge, that the pipe lengths of the element are connected in series, and that the elements are covered by a single plastic panel or sheet, preferably a corrugated panel of polycarbonate which is at least partly supported by the metal plates in the region of their respective length of pipe.
- the solar collector elements may also be mounted on facades of building or on the ground and can form any angle to the horizontal plane.
- Fig. 1 is a perspective view of a house roof provided with solar collectors according to the invention
- Fig. 2 is a perspective view of the framework of a solar collector element according to the invention.
- Fig. 3 shows the framework in Fig. 1 provided with lengths of pipe and metal plates;
- Fig. 4 shows the element in Fig. 3 with secured lengths of pipe and metal plates
- Fig. 5 shows the element in Fig. 4 when fully mounted
- Fig. 6 shows metal plates for use in the invention.
- Fig. 7 shows on a larger scale parts of a section taken along the line VII-VII in
- Fig. 8 shows a section similar to that shown in Fig. 7 but taken along the line
- Fig. 9 shows a second embodiment of the metal plates.
- Fig. 1 shows a part of a sloping house roof equipped with two solar collectors 1 according to the invention.
- the solar collectors extend from the house gutter to its roof ridge, in the illustrated case a length of about 6 metres.
- the solar collector 1 comprises 10 solar collector elements of the type that will be described below, the solar collector elements being placed adjacent to each other and with their piping connected in series.
- the elements are covered by a single panel 2, which preferably consists of a so-called corrugated panel of polycarbonate.
- Such panels are commercially available with a standard size of 210 x 600 cm and contain air channels which run in the longitudinal direction of the panel. Such panels come in different thicknesses, and for the present purpose a panel of 6 mm in thickness has been found to be expedient. Because of the air channels, the panel has good insulating properties and can be bent a little without cracking. Such panels are otherwise largely used in greenhouses and are therefore readily available at a relatively inexpensive price.
- FIG. 2 shows a framework 3 of a wood material that is glued and stapled to a back panel 4, which, for example, could consist of a standard sub-roof panel.
- a back panel 4 which, for example, could consist of a standard sub-roof panel.
- the framework 3 has longitudinal frame members 5 and cross members 6, the centre distance of which is 60 cm and thus corresponds to the centre distance of the rafters normally found in a sloping roof.
- the framework 3 can thus be positioned so that the cross members 6 lie directly above the rafters and are supported thereby. Insulating material S is placed the spaces between the cross members 6 and an inner end piece 7.
- Fig. 3 shows the framework after the mounting of a pipe coil 10 comprising four lengths of pipe 11, each of which is mounted on a heat-collecting aluminium plate 12 or 13. These plates are shown in profile in Fig. 6.
- Figures 7 and 8 show their cross-section in one embodiment.
- the plates 12, 13 have a longitudinal edge portion 14 which is curved around the respective length of pipe 11 at an enveloping angle which exceeds 180 degrees.
- the longitudinal edge portion 14 in this embodiment has an extension 15 which runs backward basically parallel to the plane of the metal plate 12, 13 and is provided with a bend 16 close to its free edge to facilitate mounting of the plate 12, 13 on the length of pipe 11.
- Fig. 9 shows a second embodiment of the plates 12, 13.
- the profile is the same as in Fig. 6, but the longitudinal edge portion 14 in this case is bent in the inverse direction of the aforementioned embodiment.
- the plates 12, 13 are each fastened to the frame 3 by a single screw (not shown), thus allowing them to expand freely in both directions therefrom.
- the pipe coil 10 is preferably laid in two identical parts which are joined in the area 17 shown in Fig. 3.
- This joint can easily be made using a piece of radiator hose, which is inexpensive to purchase and withstands the mechanical stresses and temperatures that may be involved.
- the piece of radiator hose can also be used at the ends of the pipe coil when they are to be connected is series to adjacent solar collector elements.
- the distance between the lengths of pipe 11 in the pipe coil 10 is on average just about 15 cm. This means that the absorber plates 12, 13 will be of similar width and thus have a relatively large absorbing face per unit length of the lengths of pipe 11.
- the plates 12, 13 with the pipe coil 10 are also held in place in the framework 3 by mounting strips 18, 19, as shown in Fig. 4.
- the plates 12, 13 are sprayed with black, matt primer either before or after they have been secured using the strips 18, 19.
- the element 3-19 is provided with a cover panel 20, preferably a corrugated polycarbonate panel, which is clamped in place by fastenings 21 and 22.
- the fastening 22 also covers the connecting casing part 23 of the framework 3.
- the solar collector element comprising the parts 3-23 is shown in this application as an independent element. It could of course be used alone in applications which require relatively little heat, but in practice the solar collector elements will normally be placed next to each other and connected flow- wise in series, as explained in connection with Fig. 1.
- the cover panel 20 will be replaced by a continuous panel 2 which covers all the solar collector elements.
- a continuous panel 2 which covers all the solar collector elements.
- roof mounting as shown in Fig. 1 such a panel 2 will provide a smooth surface without cracks or joins through which rain water could leak, and this smooth surface will help snow to slide off easily. If snow should stick to the panel 2, it could be heated slightly from its underside, so that an anti-friction layer of water is formed beneath the snow which causes the snow to slide off.
- the solar collector can thus in a simple manner be kept snow-free throughout the winter. With its large area, which nevertheless is relatively inexpensive in manufacture, it will be able to provide a substantial heat supplement even on cold sunny days.
- the cover panel 2 As the cover panel 2 is mounted on strips 18, 19 which lie on top of the pipe coil 10 and the absorber plates 12, 13, the panel will have a slight downward bend in the middle so that it comes to rest against the bent portions 14 of the plates 12, 13.
- the pipes 11 together with the bent plate portions 14 have a fairly large bending stiffness and also withstand substantial shear forces in the areas where they are supported by the framework cross members 6, so that the cover panel 2 has more than sufficient support for any snow load that may occur.
- the solar collectors 1 As the solar collectors 1 are sealed outwardly and have necessary strength, they could be mounted on the rafters without any intermediate sub-roof, which further improves the economics. It will be seen that the lengths of pipe 11 in the pipe coil 10 form a small angle with each other.
- a solar collector 1 as shown in Fig. 1 could be drained completely so as to prevent frost damage if the installation is to be inoperative in the winter time.
- the two solar collectors 1 shown in Fig. 1 work in parallel, and water flow in the range of 1 litre per minute per square metre solar collector surface has been found to be appropriate.
- the pipe coil 10 could consist of a single length of pipe, or it may be composed of four lengths of pipe with a bend at one end. These lengths of pipe may then be joined to the adjacent length of pipe using a suitable connection, for example a piece of hose.
- a suitable connection for example a piece of hose.
- the end portion 15 may optionally be bent inwards after the panel has been mounted on the length of pipe 11.
- corrugated panels of plexiglass have been found to be advantageous as cover panel material because they have good insulating effect and are supplied in large sizes which are nevertheless easy to handle, it will be understood that many other materials could be used. If the requirements of mechanical resistance allow it, a flexible material such as a glassfibre- reinforced fabric or plastic sheeting could be used. It will also be understood that the length and width of the solar collector element can be varied to be adapted to other building modules or standard sizes for the components involved.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Photovoltaic Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/911,253 US20080149095A1 (en) | 2005-05-12 | 2006-05-10 | Solar Collector Element |
AU2006244747A AU2006244747A1 (en) | 2005-05-12 | 2006-05-10 | Solar collector element |
EP06733127.2A EP1880148A4 (en) | 2005-05-12 | 2006-05-10 | Solar collector element |
NO20076417A NO20076417L (en) | 2005-05-12 | 2007-12-12 | Solar collector element and collector provided with this |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20052339A NO20052339L (en) | 2005-05-12 | 2005-05-12 | Solar collector element and collector provided with this |
NO20052339 | 2005-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006121345A1 true WO2006121345A1 (en) | 2006-11-16 |
Family
ID=35276265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2006/000176 WO2006121345A1 (en) | 2005-05-12 | 2006-05-10 | Solar collector element |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080149095A1 (en) |
EP (1) | EP1880148A4 (en) |
CN (1) | CN101171463A (en) |
AU (1) | AU2006244747A1 (en) |
NO (2) | NO20052339L (en) |
WO (1) | WO2006121345A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2320155A1 (en) | 2009-11-07 | 2011-05-11 | Luigi Brazzola | Energy absorbing pitchroof |
NL2004553C2 (en) * | 2010-04-15 | 2011-10-18 | Richard Patrick Versluijs | MULTIFUNCTIONAL BUILDING AND SOLAR COLLECTOR SYSTEM. |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2445158A (en) * | 2006-12-23 | 2008-07-02 | Peter Martin Broatch | Solar collector comprising a flexible elongate web with fluid conduits |
US8985095B2 (en) * | 2011-05-17 | 2015-03-24 | Guardian Industries Corp. | Roof-mounted water heater |
CN105064864B (en) * | 2015-08-14 | 2017-05-24 | 广东新合铝业新兴有限公司 | Environmentally-friendly energy-saving solar aluminum alloy window |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3464402A (en) * | 1967-09-21 | 1969-09-02 | Frank Collura | Solar heat exchanger construction |
US4164935A (en) * | 1976-10-06 | 1979-08-21 | Solar Apparatus & Equipment Limited | Solar heating panels |
US4345587A (en) * | 1979-11-16 | 1982-08-24 | D G Shelter Products Company | Solar energy collector means and method of assembling the same |
US4351321A (en) * | 1980-11-03 | 1982-09-28 | Johnson Ben E | Solar collector panel |
DE19917578C1 (en) * | 1999-04-19 | 2001-03-08 | Stahlbau Gohlis Gmbh | Solar collector for warming air has transparent plastics hollow chamber plate combined with sandwich construction carrier plate with profiled ribs and thermal insulation layer |
EP1413835A2 (en) * | 2002-10-21 | 2004-04-28 | Consolar Energiespeicher- und Regelungssysteme GmbH | Drainback solar collector |
US20040098932A1 (en) * | 2000-10-09 | 2004-05-27 | Broatch Peter Martia | Solar thermal roofing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1338644A (en) * | 1919-02-10 | 1920-04-27 | Edward D Arthur | Solar heater |
US4111188A (en) * | 1976-04-06 | 1978-09-05 | Murphy Jr John A | Extruded metal solar collector roofing shingle |
NZ181854A (en) * | 1976-08-25 | 1980-03-05 | W J Wilson | Solar heating panel internal divisions to reduce connection losses |
US4221208A (en) * | 1978-11-28 | 1980-09-09 | Murphy Jr John A | Solar collector assembly |
FR2539494B2 (en) * | 1979-04-27 | 1987-02-20 | Consigny Denis | IMPROVEMENTS TO THE SOLAR ENERGY SENSOR |
US4319437A (en) * | 1980-01-24 | 1982-03-16 | Murphy John A | Roofing shingle assembly having solar capabilities |
ZA824646B (en) * | 1981-07-09 | 1983-04-27 | Ti Ltd | Heat exchangers |
DE29720377U1 (en) * | 1997-11-19 | 1998-03-26 | Institut für Solarenergieforschung GmbH, 31860 Emmerthal | Thermally insulating housing or frame for integrating solar thermal converters in building facades |
-
2005
- 2005-05-12 NO NO20052339A patent/NO20052339L/en unknown
-
2006
- 2006-05-10 WO PCT/NO2006/000176 patent/WO2006121345A1/en active Application Filing
- 2006-05-10 AU AU2006244747A patent/AU2006244747A1/en not_active Abandoned
- 2006-05-10 US US11/911,253 patent/US20080149095A1/en not_active Abandoned
- 2006-05-10 EP EP06733127.2A patent/EP1880148A4/en not_active Withdrawn
- 2006-05-10 CN CNA2006800159933A patent/CN101171463A/en active Pending
-
2007
- 2007-12-12 NO NO20076417A patent/NO20076417L/en not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3464402A (en) * | 1967-09-21 | 1969-09-02 | Frank Collura | Solar heat exchanger construction |
US4164935A (en) * | 1976-10-06 | 1979-08-21 | Solar Apparatus & Equipment Limited | Solar heating panels |
US4345587A (en) * | 1979-11-16 | 1982-08-24 | D G Shelter Products Company | Solar energy collector means and method of assembling the same |
US4351321A (en) * | 1980-11-03 | 1982-09-28 | Johnson Ben E | Solar collector panel |
DE19917578C1 (en) * | 1999-04-19 | 2001-03-08 | Stahlbau Gohlis Gmbh | Solar collector for warming air has transparent plastics hollow chamber plate combined with sandwich construction carrier plate with profiled ribs and thermal insulation layer |
US20040098932A1 (en) * | 2000-10-09 | 2004-05-27 | Broatch Peter Martia | Solar thermal roofing |
EP1413835A2 (en) * | 2002-10-21 | 2004-04-28 | Consolar Energiespeicher- und Regelungssysteme GmbH | Drainback solar collector |
Non-Patent Citations (1)
Title |
---|
See also references of EP1880148A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2320155A1 (en) | 2009-11-07 | 2011-05-11 | Luigi Brazzola | Energy absorbing pitchroof |
NL2004553C2 (en) * | 2010-04-15 | 2011-10-18 | Richard Patrick Versluijs | MULTIFUNCTIONAL BUILDING AND SOLAR COLLECTOR SYSTEM. |
Also Published As
Publication number | Publication date |
---|---|
NO20052339D0 (en) | 2005-05-12 |
CN101171463A (en) | 2008-04-30 |
EP1880148A1 (en) | 2008-01-23 |
EP1880148A4 (en) | 2013-10-30 |
NO20076417L (en) | 2007-12-12 |
AU2006244747A1 (en) | 2006-11-16 |
NO20052339L (en) | 2006-11-13 |
US20080149095A1 (en) | 2008-06-26 |
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