Photovoltaic systems, methods for installing photovoltaic systems, and kits for installing photovoltaic systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04D-013/18
H01L-031/00
F24J-002/52
E04D-013/04
H01L-031/042
H02S-020/23
출원번호
US-0189631
(2014-02-25)
등록번호
US-9212832
(2015-12-15)
발명자
/ 주소
Jenkins, Robert L.
출원인 / 주소
CertainTeed Corporation
대리인 / 주소
McDonnell Boehnen Hulbert & Berghoff LLP
인용정보
피인용 횟수 :
1인용 특허 :
16
초록▼
The present invention relates particularly to photovoltaic systems for use in photovoltaically generating electrical energy. One aspect of the invention is a photovoltaic roofing system disposed on a roof deck, including a plurality of photovoltaic elements contiguously disposed on the roof deck arr
The present invention relates particularly to photovoltaic systems for use in photovoltaically generating electrical energy. One aspect of the invention is a photovoltaic roofing system disposed on a roof deck, including a plurality of photovoltaic elements contiguously disposed on the roof deck arranged in at least two horizontal rows, defining a photovoltaic area; a plurality of roofing elements disposed adjacent the contiguously-disposed photovoltaic elements, along their side edges; side flashing disposed along the side edges of the contiguously-disposed photovoltaic elements, the side flashing having a flange facing away from the photovoltaic area at least partially disposed between a roofing element and the roof deck, and a structure at least partially disposed on the surface of the photovoltaic element or at least partially disposed between a photovoltaic element and the roof deck.
대표청구항▼
1. A photovoltaic roofing system disposed on a roof deck having an upper end and a lower end, the photovoltaic roofing system comprising: a plurality of photovoltaic elements contiguously disposed on the roof deck arranged in at least two horizontal rows such that no panel is disposed between substa
1. A photovoltaic roofing system disposed on a roof deck having an upper end and a lower end, the photovoltaic roofing system comprising: a plurality of photovoltaic elements contiguously disposed on the roof deck arranged in at least two horizontal rows such that no panel is disposed between substantially the entire area of the photovoltaic elements and the roof deck, the at least two horizontal rows being disposed in an up-roof to down-roof overlapping fashion such that each row except the up-roof-most row is overlapped by the row immediately up-roof thereof, the contiguously-disposed photovoltaic elements together having a top edge facing the upper end of the roof deck, a bottom edge facing the lower end of the roof deck, and two side edges, the contiguously-disposed photovoltaic elements defining a photovoltaic area;a plurality of roofing elements disposed adjacent the contiguously-disposed photovoltaic elements, along their side edges;side flashing disposed along the side edges of the contiguously-disposed photovoltaic elements, the side flashing having a flange facing away from the photovoltaic area at least partially disposed between a roofing element and the roof deck, and a structure at least partially disposed on the surface of the photovoltaic element or at least partially disposed between a photovoltaic element and the roof deck but not extending under substantially the entire photovoltaic element. 2. The photovoltaic roofing system according to claim 1, wherein an adhesive on the bottom surface of the photovoltaic element adheres the one or more photovoltaic element to the photovoltaic element-facing flange of the side flashing. 3. The photovoltaic roofing system according to claim 1, wherein the plurality of photovoltaic elements is a linear array of strip-shaped photovoltaic elements, arranged top-to-bottom. 4. The photovoltaic roofing system according to claim 1, wherein at least one horizontal row of photovoltaic elements comprises two or more laterally adjacent photovoltaic elements, abutted edge to edge. 5. The photovoltaic roofing system according to claim 1, wherein the plurality of photovoltaic elements is arranged such that one or both side edges of the photovoltaic area is linear. 6. The photovoltaic roofing system according to claim 1, wherein the photovoltaic elements overlap one another in a top-to-bottom fashion. 7. The photovoltaic roofing system according to claim 1, further comprising flashing disposed at the interfaces between adjacent contiguously disposed photovoltaic elements. 8. The photovoltaic roofing system according to claim 1, wherein at least one side flashing comprises a flange facing away from the photovoltaic area at least partially disposed between a roofing element and the roof deck, a flange at least partially disposed between a photovoltaic element and the roof deck, and a covered cavity therebetween. 9. The photovoltaic roofing system according to claim 6, wherein the covered cavity acts as a cover and/or conduit for electrical features protruding from the surface of the one or more photovoltaic elements at their side edges. 10. The photovoltaic roofing system according to claim 7, further comprising a bottom flashing disposed along the bottom edge of the photovoltaic area, disposed at least partially underneath the one or more photovoltaic elements and at least partially on top of a roofing element disposed along the bottom edge of the photovoltaic area. 11. The photovoltaic roofing system according to claim 8, wherein the bottom flashing has a cross-sectional shape comprising a vertically-extending feature and a flange extending from each lateral side at the bottom of the vertically-extending feature, with the flange facing the photovoltaic area being disposed at least partially underneath the one or more photovoltaic elements, and the flange facing away from the photovoltaic area being disposed at least partially on top of a roofing element disposed along the bottom edge of the photovoltaic area. 12. The photovoltaic roofing system according to claim 11, wherein the bottom surface of the at least one photovoltaic element is adhered to the top surface of the bottom flashing. 13. The photovoltaic roofing system according to claim 11, wherein the side flashing and the bottom flashing meet at a corner, where the photovoltaic area-facing flange of the side flashing is at least partially disposed on top of the bottom flashing. 14. The photovoltaic roofing system according to claim 1, further comprising a top flashing disposed along the top edge of the photovoltaic area, the top flashing disposed at least partially under a roofing element disposed along the top edge of the photovoltaic area, and at least partially over the one or more photovoltaic elements. 15. The photovoltaic roofing system according to claim 14, wherein the top flashing includes one or more cavities and/or recesses that act as a cover and/or conduit for electrical features associated with one or more of the photovoltaic elements. 16. The photovoltaic roofing system according to claim 1, wherein no metal sheet is disposed between substantially the entire area of the photovoltaic elements and the roof deck. 17. The photovoltaic roofing system according to claim 1, wherein the roofing elements are bituminous shingles. 18. The photovoltaic roofing system according to claim 1, wherein the side flashings include a recessed insertion area formed in a side of the vertically-extending feature, and one or more roofing elements are at least partially disposed in the recessed insertion area. 19. The photovoltaic roofing system according to claim 1, wherein at least one of the side flashings is provided as one or more continuous pieces of flashing on the side facing the photovoltaic elements, and a plurality of stepped side flashing pieces on the side facing the roofing elements. 20. The photovoltaic roofing system according to claim 1, wherein the photovoltaic elements are disposed directly on the roof deck. 21. The photovoltaic roofing system according to claim 1, wherein the photovoltaic elements are disposed directly on a roofing membrane or an underlayment disposed on the roof deck. 22. The photovoltaic roofing system according to claim 1, comprising a plurality of fasteners holding the photovoltaic elements, roofing elements and side flashing in place on the roof deck, wherein all such fasteners are covered by roofing elements, photovoltaic elements or side flashing.
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