The present invention relates particularly to photovoltaic roofing systems in which photovoltaic elements are integrated on a roof deck with conventional roofing materials. In one aspect, a photovoltaic roofing system includes a two-part tee element disposed on a roof deck, the two-part tee element
The present invention relates particularly to photovoltaic roofing systems in which photovoltaic elements are integrated on a roof deck with conventional roofing materials. In one aspect, a photovoltaic roofing system includes a two-part tee element disposed on a roof deck, the two-part tee element comprising a base piece including a central portion; two opposed horizontally-extending first and second flanges extending from the central portion, and a top piece attachment feature formed in the central portion, and a top piece including a base piece attachment feature mated with the top piece attachment feature of the base piece; and a vertically extending portion extending from the base piece attachment feature. A first photovoltaic element can be disposed on the roof adjacent the base piece with its edge disposed on the horizontally-extending first flange of the base piece of the two-part tee element.
대표청구항▼
1. A photovoltaic roofing system disposed on a roof deck, the photovoltaic roofing system comprising: a two-part tee element disposed on the roof deck, the two-part tee element comprising: a base piece including a central portion; two opposed horizontally-extending first and second flanges extending
1. A photovoltaic roofing system disposed on a roof deck, the photovoltaic roofing system comprising: a two-part tee element disposed on the roof deck, the two-part tee element comprising: a base piece including a central portion; two opposed horizontally-extending first and second flanges extending from the central portion, and a top piece attachment feature formed in the central portion, the top piece attachment feature including an upwardly-extending feature, anda top piece including a base piece attachment feature, the base piece attachment feature including a downwardly-facing channel, the base piece attachment feature being mated with the top piece attachment feature of the base piece by the upwardly-extending feature of the top piece attachment feature of the base piece being disposed within the downwardly-facing channel of the base piece attachment feature of the top piece; a first covering flange extending outwardly from a side of the top piece, and a vertically extending portion extending upwards from the base piece attachment feature and the first covering flange; anda first photovoltaic element disposed on the roof adjacent the base piece, the first photovoltaic element having its edge disposed on the horizontally-extending first flange of the base piece of the two-part tee element, the first covering flange of the top piece overlapping the top surface of the first photovoltaic element. 2. The photovoltaic roofing system according to claim 1, wherein the first photovoltaic element overlaps the first flange by at least about one inch. 3. The photovoltaic roofing system according to claim 1, further including a second photovoltaic element disposed on the roof adjacent the base piece opposite the first photovoltaic element, the second photovoltaic element having its edge disposed on the horizontally-extending second flange of the base piece of the two-part tee element. 4. The photovoltaic roofing system according to claim 3, wherein the second photovoltaic element overlaps the first flange by at least about one inch. 5. The photovoltaic roofing system according to claim 1, further including a roofing element disposed on the roof adjacent the base piece opposite the first photovoltaic element, the roofing element having its edge disposed on the horizontally-extending second flange of the base piece of the two-part tee element. 6. The photovoltaic roofing system according to claim 5, wherein the roofing element overlaps the first flange by at least about one inch. 7. The photovoltaic roofing system according to claim 1, further comprising a second covering flange extending outwardly from a side of the top piece opposite the side from which the first covering flange extends, and overlapping the top surface of a second photovoltaic element or a roofing element disposed on the roof adjacent the base piece, the first photovoltaic element or the roofing element having its edge disposed on the horizontally-extending first flange of the base piece of the two-part tee element. 8. The photovoltaic roofing system according to claim 7, wherein the second covering flange of each top piece extends outwardly and downwardly. 9. The photovoltaic roofing system according to claim 1, wherein the material of the central portion of the base piece has a different material composition than do the materials of the first and second flanges. 10. The photovoltaic roofing system according to claim 9, wherein the first and second flanges are formed from a different material than is the base piece, and wherein the materials of the first and second flanges are softer than the material of the central portion of the base piece. 11. The photovoltaic roofing system according to claim 1, wherein the top piece of the two-part tee is formed from a different material than the base piece. 12. The photovoltaic roofing system according to claim 1, wherein when the base piece attachment feature of the top piece is mated with the top piece attachment feature of the base piece, the base piece attachment feature of the top piece is slide engaged with the top piece attachment feature of the base piece, such that the top piece can slide with respect to the base piece along the axis of the base piece. 13. The photovoltaic roofing system according to claim 12, further comprising an end cap disposed at the bottom end of the base piece on the roof, the end cap engaging the base and closing the bottom end of the two-piece tee element. 14. A method for installing a photovoltaic roofing system according to claim 1 on a roof, the method comprising: affixing a plurality of base pieces to a roof, each base piece including a central portion; two opposed horizontally-extending first and second flanges extending from the central portion, and a top piece attachment feature formed in the central portion, the top piece attachment feature including an upwardly-extending feature;disposing one or more photovoltaic elements on the roof, each between two base pieces, such that each horizontal edge of each of the photovoltaic elements is disposed on a flange of one of the base pieces; andassembling a top piece with each base piece to form the two-part tee elements, each top piece including a base piece attachment feature, the base piece attachment feature including a downwardly-facing channel, the base piece attachment feature being mated with the top piece attachment feature of the base piece by the upwardly-extending feature of the top piece attachment feature of the base piece being disposed within the downwardly-facing channel of the base piece attachment feature of the top piece; a first covering flange extending outwardly from a side of the top piece, and a vertically extending portion extending upwards from the base piece attachment feature and the first covering flange. 15. A kit for the installation of a photovoltaic roofing system according to claim 1, the kit comprising a plurality of base pieces, each base piece including a central portion; two opposed horizontally-extending first and second flanges extending from the central portion, and a top piece attachment feature formed in the central portion, the top piece attachment feature including an upwardly-extending feature, anda plurality of top pieces, each top piece including a base piece attachment feature, the base piece attachment feature including a downwardly-facing channel, the base piece attachment feature being adapted to be mated with the top piece attachment feature of the base piece by the upwardly-extending feature of the top piece attachment feature of the base piece being disposed within the downwardly-facing channel of the base piece attachment feature of the top piece; a first covering flange extending outwardly from a side of the top piece, and a vertically extending portion extending upwards from the base piece attachment feature and the first covering flange. 16. The kit according to claim 15, further comprising a plurality of photovoltaic elements. 17. The photovoltaic roofing system according to claim 1, wherein the first covering flange of the top piece is formed from a different material than the central portion of the top piece, and wherein the first covering flange is formed from a rubbery or flexible material. 18. The photovoltaic roofing system according to claim 1, wherein the first covering flange of the top piece is formed from a different material than the central portion of the top piece, and wherein the first covering flange is formed from stiffer material than the central portion of the top piece. 19. The photovoltaic roofing system according to claim 1, wherein the first photovoltaic element is a flexible photovoltaic laminate. 20. The photovoltaic roofing system according to claim 1, wherein the upwardly-extending feature of the top piece attachment feature of the base piece is an upwardly-pointing triangular feature, and wherein the downwardly-facing channel of the base piece attachment feature of the top piece is a triangular channel. 21. The photovoltaic roofing system according to claim 1, wherein the first covering flange of each top piece extends outwardly and downwardly.
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이 특허에 인용된 특허 (13)
Danielewicz Ben (80 Scenic Ridge Place NW Calgary ; Alberta CAX T3L 1V3 ), Construction assembly for supporting thin panels.
St. Marie Rodney L. (7747 184 Street Surrey ; B.C. CAX V3S 4P1) deJong Frederik H. (2903 Silverlake Place Coquitlam ; B.C. CAX V3C 6A2) Funk Anthony I. (5863 188A Street Surrey ; B.C. CAX V3S 7T3), Cover for a rail of a fence.
Herwegh Norbert (Schattdorf CHX) Kemmer Wolfgang (Wrzburg DEX), Glazing profile strip for solid glazing or filler elements on the outer faces of buildings.
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