IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0798236
(2010-04-01)
|
등록번호 |
US-8424256
(2013-04-23)
|
발명자
/ 주소 |
- Cook, Thomas Lawson
- Scollon, John Dean
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
38 |
초록
▼
A roof integrated photovoltaic roofing panel and flashing system that allows photovoltaic roof panels to be installed into standard asphalt roofing. Without re-engineering rafters for extra roof loads. Providing all structural strengths, fire prevention and weather proofing required by building code
A roof integrated photovoltaic roofing panel and flashing system that allows photovoltaic roof panels to be installed into standard asphalt roofing. Without re-engineering rafters for extra roof loads. Providing all structural strengths, fire prevention and weather proofing required by building codes. The panels are easily removed for maintaining PV system. The PV roof panel is a structural roof panel.
대표청구항
▼
1. A modular photovoltaic roof panel system for use on an inclined roof having a plurality of substantially horizontal rows of asphalt shingles affixed to a surface of the roof, each said row of shingles being staggered and positioned so as to partially overlap an immediately preceding said row of s
1. A modular photovoltaic roof panel system for use on an inclined roof having a plurality of substantially horizontal rows of asphalt shingles affixed to a surface of the roof, each said row of shingles being staggered and positioned so as to partially overlap an immediately preceding said row of shingles, the system comprising: a length of starter flashing affixed to the roof surface in a position inline with and adjacent to an at least one row of said rows of shingles, substantially parallel with a lower edge of the roof;an at least one photovoltaic roof panel affixed to the roof surface in a position inline with and adjacent to an at least one subsequent row of said rows of shingles, substantially perpendicular to the starter flashing, a lower edge of the roof panel partially overlapping the starter flashing;each said roof panel having opposing lateral edges, each said opposing lateral edge providing an upwardly protruding longitudinal rib extending a length of the roof panel and configured for selectively interlocking with a longitudinal rib of an adjacently positioned roof panel;an at least one length of step flashing positioned and configured for interlacing an outermost one of said roof panels with the shingles of the at least one row of said rows of shingles adjacent to said outermost one of said roof panels, each said length of step flashing providing an upwardly protruding longitudinal rib configured for selectively interlocking overtop of the longitudinal rib of said outermost roof panel; anda length of top flashing affixed to the roof surface in a position inline with and adjacent to an at least one subsequent row of said rows of shingles, the top flashing configured for covering an upper edge of the at least one roof panel along with a portion of the step flashing;whereby, with the at least one roof panel affixed directly to the roof surface and each of the starter flashing, step flashing and top flashing appropriately engaged with the roof panel and interlaced with the adjacent shingles of the at least one row of said rows of shingles, the system is capable of being integrated into a traditional asphalt shingle roof without affecting load requirements or water impermeability. 2. The modular photovoltaic roof panel system of claim 1 wherein the at least one roof panel is composed of metal having a thickness between 24-gauge and 29-gauge. 3. The modular photovoltaic roof panel system of claim 1, wherein the starter flashing has a height equal to a height of the row of said rows of shingles within which the starter flashing is adjacently positioned. 4. The modular photovoltaic roof panel system of claim 1, wherein the starter flashing provides a hem along a top edge of said starter flashing, said hem configured for functioning as a water return. 5. The modular photovoltaic roof panel system of claim 1, wherein each of the outermost roof panel ribs provides a length of counter flashing positioned and configured for lying over top of the longitudinal rib of said step flashing rib and the longitudinal rib of said roof panel, thereby sandwiching the longitudinal rib of said step flashing between the counter flashing and the longitudinal rib of said roof panel for providing added weatherproofing. 6. The modular photovoltaic roof panel system of claim 5, wherein the counter flashing has a length equal to a length of the corresponding roof panel rib. 7. The modular photovoltaic roof panel system of claim 5, wherein the counter flashing provides a hem along opposing edges of said counter flashing for preventing capillary action of water between said step flashing and said counter flashing. 8. The modular photovoltaic roof panel system of claim 1, wherein at least one said longitudinal rib of each roof panel is longitudinally contoured for breaking capillary action of water when interlocked with the longitudinal rib of an adjacently positioned roof panel. 9. The modular photovoltaic roof panel system of claim 1, wherein each said roof panel provides a plurality of thin film photovoltaic cells affixed to said roof panel in a position between the ribs. 10. The modular photovoltaic roof panel system of claim 9, wherein the top flashing is further positioned and configured for covering each of an at least one electrical connector interconnected with the plurality of said thin film photovoltaic cells. 11. The modular photovoltaic roof panel system of claim 1, wherein each said roof panel is affixed to the roof surface with a plurality of self-sealing exposed fasteners. 12. The modular photovoltaic roof panel system of claim 1, wherein a plurality of lengths of step flashing is positioned overtop of the corresponding outermost roof panel rib in an overlapping fashion from the lower edge to the upper edge of the roof panel. 13. A modular photovoltaic roof panel system for use on an inclined roof, the system comprising: a solar assembly affixed to a surface of the roof, the assembly comprising: a length of starter flashing positioned substantially parallel with a lower edge of the roof;an at least one photovoltaic roof panel positioned substantially perpendicular to the starter flashing, a lower edge of the roof panel partially overlapping the starter flashing;each said roof panel having opposing lateral edges, each said opposing lateral edge providing an upwardly protruding longitudinal rib extending a length of the roof panel and configured for selectively interlocking with a longitudinal rib of an adjacently positioned roof panel;each of an outermost one of said longitudinal ribs of an outermost one of said roof panels providing an at least one length of step flashing, each said length of step flashing providing an upwardly protruding longitudinal rib configured for selectively interlocking overtop of the longitudinal rib of said outermost roof panel; anda length of top flashing positioned substantially parallel with the starter flashing and configured for covering an upper edge of the at least one roof panel along with a portion of the step flashing; anda plurality of rows of asphalt shingles affixed to the roof surface in a position substantially parallel with the lower edge of the roof, each said row of shingles being staggered and positioned so as to partially overlap an immediately preceding said row of shingles as well as said solar assembly;whereby, with the at least one roof panel affixed directly to the roof surface and each of the starter flashing, step flashing and top flashing appropriately engaged with the roof panel and interlaced with the adjacent shingles of the at least one row of said rows of shingles, the system is capable of being integrated into a traditional asphalt shingle roof without affecting load requirements or water impermeability. 14. The modular photovoltaic roof panel system of claim 13, wherein said solar assembly is positioned on the roof surface such that an easement is maintained for accessing an upper edge of the roof. 15. A modular photovoltaic roof panel system for use on an inclined roof having a plurality of substantially horizontal rows of asphalt shingles affixed to a surface of the roof, each said row of shingles being staggered and positioned so as to partially overlap an immediately preceding said row of shingles, the system comprising: a length of starter flashing affixed to the roof surface in a position inline with and adjacent to an at least one row of said rows of shingles, substantially parallel with a lower edge of the roof, the starter flashing having a height equal to a height of the at least one row of said rows of shingles within which the starter flashing is adjacently positioned;an at least one photovoltaic roof panel affixed to the roof surface in a position inline with and adjacent to an at least one subsequent row of said rows of shingles, substantially perpendicular to the starter flashing, a lower edge of the roof panel partially overlapping the starter flashing and aligned with a lower edge of the at least one subsequent row of said rows of shingles;each said roof panel having opposing lateral edges, each said opposing lateral edge providing an upwardly protruding longitudinal rib extending a length of the roof panel and configured for selectively interlocking with a longitudinal rib of an adjacently positioned roof panel;an at least one length of step flashing positioned and configured for interlacing an outermost one of said roof panels with the shingles of the at least one row of said rows of shingles adjacent to said outermost one of said roof panels, each said length of step flashing providing an upwardly protruding longitudinal rib configured for selectively interlocking overtop of the longitudinal rib of said outermost roof panel;each of the outermost roof panel ribs providing a length of counter flashing positioned and configured for lying over top of the longitudinal rib of said step flashing rib and the longitudinal rib of said roof panel rib, thereby sandwiching the longitudinal rib of said step flashing rib between the counter flashing and the longitudinal rib of said roof panel for providing added weatherproofing; anda length of top flashing affixed to the roof surface in a position inline with and adjacent to an at least one subsequent row of said rows of shingles, the top flashing configured for covering an upper edge of the at least one roof panel along with a portion of the step flashing and counter flashing;whereby, with the at least one roof panel affixed directly to the roof surface and each of the starter flashing, step flashing, counter flashing and top flashing appropriately engaged with the roof panel and interlaced with the adjacent shingles of the at least one row of said rows of shingles, the system is capable of being integrated into a traditional asphalt shingle roof without affecting load requirements or water impermeability.
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