DE3611542A1 - Solar module - Google Patents

Solar module

Info

Publication number
DE3611542A1
DE3611542A1 DE19863611542 DE3611542A DE3611542A1 DE 3611542 A1 DE3611542 A1 DE 3611542A1 DE 19863611542 DE19863611542 DE 19863611542 DE 3611542 A DE3611542 A DE 3611542A DE 3611542 A1 DE3611542 A1 DE 3611542A1
Authority
DE
Germany
Prior art keywords
profiles
module
solar module
head
foot
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Withdrawn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
DE19863611542
Other languages
German (de)
Inventor
Bernd Melchior
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.)
REMSCHEID VOLKSBANK
Original Assignee
REMSCHEID VOLKSBANK
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 REMSCHEID VOLKSBANK filed Critical REMSCHEID VOLKSBANK
Priority to DE19863611542 priority Critical patent/DE3611542A1/en
Publication of DE3611542A1 publication Critical patent/DE3611542A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • H02S20/24—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures specially adapted for flat roofs
    • 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
    • F24S25/20—Peripheral frames for modules
    • 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
    • F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • 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
    • F24S2025/80—Special profiles
    • F24S2025/801—Special profiles having hollow parts with closed cross-section
    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

The invention relates to a solar module having a rectangular frame consisting of four metal profiles, which frame surrounds a plate having photovoltaic cells (photocells). When the module is in a position inclined with respect to the horizontal, the two lateral profiles assume the same inclination, and the base profile and head profile are approximately horizontal. The lateral profiles (4) project further downwards than the foot and head profiles (5, 6) on the underneath of the module. <IMAGE>

Description

Die Erfindung betrifft ein Solarmodul mit rechteckigem Rahmen aus vier Metallprofilen, der eine Platte mit photovoltaischen Zellen umgibt, wobei in zur Waagerechten geneigter Stellung des Moduls die zwei seitlichen Profile dieselbe Neigung einnehmen und Fuß- und Kopfprofil etwa waagerecht sind.The invention relates to a solar module with a rectangular Frame made of four metal profiles, one with a plate surrounds photovoltaic cells, being in to the horizontal inclined position of the module the two side profiles take the same inclination and about foot and head profile are horizontal.

Plattenförmige Solarmodule mit Sonnenzellen, d.h. mit Halbleiter-Photoelementen die miteinander elektrisch verbunden sind erhitzen sich aufgrund der Sonneneinstrahlung verhältnismäßig stark, da die Sonnenzellen verhältnismäßig dunkel gefärbt sind. Mit der Erwärmung der einzelnen Sonnenzellen nimmt die Energieausbeute ab, so daß es von Vorteil ist, die Sonnenzellen zu kühlen.Panel-shaped solar modules with solar cells, i.e. With Semiconductor photo elements that are electrically interconnected are heated due to the associated Sun exposure relatively strong, since the Sun cells are colored relatively dark. With the The heating of the individual solar cells takes Energy yield so that it is beneficial to the To cool solar cells.

Aufgabe der Erfindung ist es, den Wirkungsgrad eines Solarmoduls durch eine konstruktiv einfache Kühlung zu erhöhen.The object of the invention is to improve the efficiency of a Solar module through a structurally simple cooling increase.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß an der Modulunterseite die seitlichen Profile weiter nach unten vorstehen als die Fuß- und Kopfprofile.This object is achieved in that the side profiles further down the module underside  protrude than the foot and head profiles.

Durch die nach unten weiter vorstehenden seitlichen Profile kann im Bereich des Fußprofils Luft zur Rückseite des Solarmoduls eintreten und an der Rückseite des schrägstehenden Moduls zwischen den seitlichen Profilen entlangströmen bis sie im Bereich des Kopfprofils austritt. Das Modul bildet mit seiner plattenförmigen Modulfläche und seinen Seitenprofilen als auch der Auflagefläche für das Modul einen rückseitigen Kanal, der aufgrund seiner Kaminwirkung für einen ständigen rückseitigen Luftstrom sorgt, der auf einfache und effiziente Weise das Modul kühlt. Sind mehrere Solarmodule übereinander angeordnet, so bilden diese Module zusammen einen längeren Kanal, dessen Kaminwirkung erhöht wird und damit eine verhältnismäßig schnelle Luftströmung erreicht wird.Due to the side profiles protruding further down air can flow to the rear of the Enter the solar module and on the back of the sloping module between the side profiles flow along until it emerges in the area of the head profile. The module forms with its plate-shaped module surface and its side profiles as well as the contact surface for the module has a rear channel, which due to its Chimney effect for a constant air flow at the back ensures that the module is simple and efficient cools. If several solar modules are arranged one above the other, so these modules together form a longer channel, the chimney effect is increased and thus a relatively fast air flow is achieved.

Um einen einfachen Aufbau des Moduls zu erzielen, wird vorgeschlagen, daß Eckverbindungsteile vorgesehen sind, die mit Vorsprüngen, insbesondere Zapfen in das Innere der Profile eingreifen. Hiermit gelingt es mit einfachsten vorfabrizierten Bauteilen das Modul zusammenzusetzen. Besonders vorteilhaft ist es hierbei, wenn die Vorsprünge oder Zapfen Querbohrungen aufweisen, die mit Bohrungen in den Profilen fluchten und in die Schrauben, Nieten oder Bolzen einbringbar sind. Hierdurch wird die Montage besonders erleichtert.To achieve a simple structure of the module, proposed that corner connecting parts be provided, those with protrusions, especially pegs inside the Intervene profiles. This is the simplest prefabricated components to assemble the module. It is particularly advantageous here if the projections or pins have cross holes that with holes in align the profiles and into the screws, rivets or Bolts can be inserted. This will make assembly particularly relieved.

Eine einfache und sichere Befestigungsweise des Moduls auf seiner jeweiligen Auflagefläche wird dadurch erreicht, daß die Eckverbindungsteile rechtwinklig zur Moduloberseite Kanäle oder Bohrungen aufweisen, die die Eckverbindungs­ teile von der Ober- zur Unterseite durchdringen.A simple and secure way of fastening the module its respective contact surface is achieved in that the corner connection parts perpendicular to the top of the module Have channels or holes that connect the corner penetrate parts from the top to the bottom.

In diese Kanäle oder Bohrungen sind Nägel oder Schrauben mit geringstem Aufwand einbringbar.In these channels or holes are nails or screws can be brought in with the least effort.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben. Es zeigen:An embodiment of the invention is in the Drawings are shown and will be described in more detail below described. Show it:

Fig. 1 eine perspektivische Ansicht eines auf einer Unterlage durch Nägel befestigten Moduls, Fig. 1 is a perspective view of a on a base secured by nails module,

Fig. 2 einen Ausschnitt aus Fig. 1, Fig. 2 shows a detail from Fig. 1,

Fig. 3 einen Eckbereich im auseinandergezogenen Zustand, Fig . 3 a corner area in the extended state,

Fig. 4 einen Schnitt nach A-B in Fig. 5, Fig. 4 is a section AB in Fig. 5,

Fig. 5 eine Seitenansicht des Eckteils, Fig. 5 is a side view of the corner portion,

Fig. 6 eine zweite Seitenansicht des Eckteils, Fig. 6 is a second side view of the corner portion,

Fig. 7 eine Draufsicht auf das Eckteil, Fig. 7 is a plan view of the corner portion,

Fig. 8 einen Schnitt nach C-D in Fig. 5, Fig. 8 a section CD in Fig. 5,

Fig. 9 einen Schnitt nach G-H in Fig. 5, Fig. 9 shows a section according to GH in Fig. 5,

Fig. 10 einen Querschnitt durch ein seitliches Profil, Fig. 10 is a cross-sectional view of a lateral profile,

Fig. 11 einen Ausschnitt I in Fig. 10 oder Fig. 11 shows a detail I in Fig. 10 or

Fig. 12 einen Querschnitt durch das Fuß- oder Kopfprofil. Fig. 12 shows a cross section through the foot or head profile.

Das Solarmodul 1 weist ein plattenförmiges Bauteil 2 auf, das die einzelnen photovoltaischen Sonnenzellen 3 enthält. Das rechteckförmige Bauteil 2 ist an allen vier Seiten von Aluminiumprofilen umgeben, die einen Rahmen bilden. An den zueinander parallelen Längsseiten sind zwei Profile 4 befestigt, deren Höhe größer ist als die des Fußprofils 5 und des Kopfprofils 6. Die Oberseiten der Profile 4 bis 6 befinden sich in derselben Ebene, die nur wenig höher liegt als die Oberseite des Bauteils 2. Die Unterseiten der Profile 4 stehen dagegen nach unten etwa um die Höhe der Profile 5 und 6 weiter vor als die letzteren.The solar module 1 has a plate-shaped component 2 , which contains the individual photovoltaic solar cells 3 . The rectangular component 2 is surrounded on all four sides by aluminum profiles that form a frame. Two profiles 4 , the height of which is greater than that of the base profile 5 and the head profile 6, are fastened to the parallel longitudinal sides. The tops of profiles 4 to 6 are in the same plane, which is only slightly higher than the top of component 2 . The undersides of the profiles 4 , on the other hand, project further downward by about the height of the profiles 5 and 6 than the latter.

Aufgrund dieser etwa doppelten Höhe der Profile 4 gegenüber dem Fußprofil 5 und dem Kopfprofil 6 befinden sich unter den Profilen 5 und 6 jeweils eine obere und untere Öffnung 7, 8 durch die Luft in den Zwischenraum zwischen der Unterseite des Bauteils 2 und der Oberseite des Untergrundes 9 strömen kann, auf dem das Modul aufliegt. Da das Modul der Sonne zugekehrt stets schräg befestigt ist, wobei die Profile 5, 6 waagerecht liegen und die Profile 4 die Schrägstellung des Bauteils 2 einnehmen, bildet das Modul mit seinem Bauteil 2 und den Seitenprofilen 4 einen kaminförmigen Kanal, der die Unterseite des Bauteils 2 kühlt. Die Strömungsrichtung der Luft ist durch die Pfeile 10 bezeichnet.Due to this approximately twice the height of the profiles 4 relative to the foot profile 5 and the head profile 6, there are respectively upper and lower openings 7 , 8 through the air in the space between the underside of the component 2 and the top of the substrate under the profiles 5 and 6 9 can flow on which the module rests. Since the module of the sun facing always mounted obliquely, the profiles 5, 6 horizontally lying and the profiles 4 occupy the inclined position of the component 2, the module forms with its component 2 and the side profiles 4 a chimney-like channel, which the underside of the component 2 cools. The direction of flow of the air is indicated by the arrows 10 .

Die Profile 4, 5, 6 sind durch Eckverbindungsteile 11 miteinander befestigt, die wie auch die Profile aus Aluminium bestehen. An den zu den Profilen senkrechten Eckverbindungsteilen sind im Querschnitt rechteckförmige Zapfen 12 angeformt, die in die Hohlräume der Hohlprofile 4, 5, 6 formschlüssig hineinreichen. In den Zapfen 12 befinden sich Bohrungen 13, die mit in den Enden der Profile eingebrachten Bohrungen 14 fluchten, so daß durch die Bohrungen 13, 14 Schrauben, Zapfen oder Nieten steckbar sind um die Profile an den Eckteilen unverschieblich zu halten.The profiles 4 , 5 , 6 are fastened together by corner connecting parts 11 , which, like the profiles, are made of aluminum. On the corner connection parts perpendicular to the profiles, rectangular pins 12 are formed in cross section, which extend into the cavities of the hollow profiles 4 , 5 , 6 in a form-fitting manner. In the pin 12 there are bores 13 which are aligned with holes 14 made in the ends of the profiles, so that screws, pins or rivets can be inserted through the bores 13 , 14 in order to keep the profiles immovable on the corner parts.

In den Eckverbindungsteilen 11 sind Längskanäle bzw. Bohrungen 15 eingeformt, durch die Schrauben oder Nägel gesteckt werden um im Untergrund 9 Halt zu finden. Longitudinal channels or bores 15 are formed in the corner connecting parts 11 , through which screws or nails are inserted in order to find hold in the base 9 .

Die Hohlprofile 4, 5, 6 weisen seitlich Kanäle oder Nuten 16 auf, die die Ränder des plattenförmigen Bauteils 2 aufnehmen. In den Nuten 16 stehen angeformte Rippen 17 vor, an denen die Außenflächen des Bauteils 2 zur Anlage gelangen.The hollow profiles 4 , 5 , 6 laterally have channels or grooves 16 which accommodate the edges of the plate-shaped component 2 . In the grooves 16 are formed ribs 17 , on which the outer surfaces of the component 2 come to rest.

Claims (4)

1. Solarmodul mit rechteckigem Rahmen aus vier Metallprofilen, der eine Platte mit photovoltaischen Zellen umgibt, wobei in zur Waagerechten geneigter Stellung des Moduls die zwei seitlichen Profile dieselbe Neigung einnehmen und Fuß- und Kopfprofil etwa waagerecht sind, dadurch gekennzeichnet, daß an der Modulunterseite die seitlichen Profile (4) weiter nach unten vorstehen als die Fuß- und Kopfprofile (5, 6).1. Solar module with a rectangular frame made of four metal profiles, which surrounds a plate with photovoltaic cells, the two lateral profiles taking the same inclination in the horizontally inclined position of the module and the foot and head profiles being approximately horizontal, characterized in that on the underside of the module lateral profiles ( 4 ) protrude further down than the foot and head profiles ( 5 , 6 ). 2. Solarmodul nach Anspruch 1, dadurch gekennzeichnet, daß Eckverbindungsteile (11) vorgesehen sind, die mit Vorsprüngen, insbesondere Zapfen (12) in das Innere der Profile (4-6) eingreifen.2. Solar module according to claim 1, characterized in that corner connecting parts ( 11 ) are provided which engage with projections, in particular pins ( 12 ) in the interior of the profiles ( 4-6 ). 3. Solarmodul nach Anspruch 2, dadurch gekennzeichnet, daß die Vorsprünge oder Zapfen (12) Querbohrungen (13) aufweisen, die mit Bohrungen (14) in den Profilen (4-6) fluchten und in die Schrauben, Nieten oder Bolzen einbringbar sind.3. Solar module according to claim 2, characterized in that the projections or pins ( 12 ) have transverse bores ( 13 ) which are aligned with bores ( 14 ) in the profiles ( 4-6 ) and can be introduced into the screws, rivets or bolts. 4. Solarmodul nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Eckverbindungsteile (11) rechtwinklig zur Moduloberseite Kanäle oder Bohrungen (15) aufweisen, die die Eckverbindungsteile von der Ober- zur Unterseite durchdringen.4. Solar module according to claim 2 or 3, characterized in that the corner connecting parts ( 11 ) at right angles to the top of the module have channels or bores ( 15 ) which penetrate the corner connecting parts from the top to the bottom.
DE19863611542 1986-04-05 1986-04-05 Solar module Withdrawn DE3611542A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863611542 DE3611542A1 (en) 1986-04-05 1986-04-05 Solar module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863611542 DE3611542A1 (en) 1986-04-05 1986-04-05 Solar module

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DE3611542A1 true DE3611542A1 (en) 1987-10-08

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Cited By (40)

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WO1996000827A1 (en) * 1994-06-29 1996-01-11 Powerlight Corporation Thermally regulated photovoltaic roofing assembly
WO1997038185A1 (en) 1996-04-08 1997-10-16 Powerlight Corporation Lightweight, self-ballasting photovoltaic roofing assembly
USD408554S (en) 1997-06-25 1999-04-20 Powerlight Corporation Solar electric shade system
US6061978A (en) * 1997-06-25 2000-05-16 Powerlight Corporation Vented cavity radiant barrier assembly and method
US6148570A (en) * 1998-02-05 2000-11-21 Powerlight Corporation Photovoltaic building assembly with continuous insulation layer
DE19940465A1 (en) * 1999-08-26 2001-04-12 Gesalfina Ag Combined heat, power and cooling process and power plant equipment to carry out the process
US6465724B1 (en) * 1998-07-28 2002-10-15 Bp Solar International Llc Photovoltaic module framing system with integral electrical raceways
US6495750B1 (en) 2001-07-10 2002-12-17 Powerlight Corporation Stabilized PV system
US6570084B2 (en) 2001-07-10 2003-05-27 Powerlight Corporation Pressure equalizing photovoltaic assembly and method
US6617507B2 (en) 2001-11-16 2003-09-09 First Solar, Llc Photovoltaic array
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US8739478B1 (en) 2008-12-30 2014-06-03 Pvt Solar, Inc. Integrated thermal module and back plate structure and related methods
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US9027289B1 (en) 2008-12-30 2015-05-12 Sunedison, Inc. Integrated thermal module and back plate structure and related methods
US9263985B2 (en) 2012-11-13 2016-02-16 Pi Solar Technology Gmbh Rooftop photovoltaic modules
CN106052170A (en) * 2016-08-15 2016-10-26 昆明新元阳光科技有限公司 Multifunctional combined corner connection part of flat-plate type solar heat collector frame
US9628019B1 (en) 2016-09-09 2017-04-18 Polar Racking Inc. Photovoltaic panel racking system
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CN109282135A (en) * 2017-07-19 2019-01-29 天津艾普斯工业铝型材股份有限公司 A kind of rectangular configuration aluminum profile and its connection structure
US20220399854A1 (en) * 2018-03-30 2022-12-15 Sunpower Corporation Photovoltaic module with a cross rail assemby

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WO1996000827A1 (en) * 1994-06-29 1996-01-11 Powerlight Corporation Thermally regulated photovoltaic roofing assembly
US5505788A (en) * 1994-06-29 1996-04-09 Dinwoodie; Thomas L. Thermally regulated photovoltaic roofing assembly
AU691635B2 (en) * 1994-06-29 1998-05-21 Sunpower Corporation, Systems Thermally regulated photovoltaic roofing assembly
WO1997038185A1 (en) 1996-04-08 1997-10-16 Powerlight Corporation Lightweight, self-ballasting photovoltaic roofing assembly
US5746839A (en) * 1996-04-08 1998-05-05 Powerlight Corporation Lightweight, self-ballasting photovoltaic roofing assembly
USRE38988E1 (en) * 1996-04-08 2006-02-28 Dinwoodie Thomas L Lightweight, self-ballasting photovoltaic roofing assembly
USD408554S (en) 1997-06-25 1999-04-20 Powerlight Corporation Solar electric shade system
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