Disclosed are systems and methods to concentrate sunlight with inflatable enclosures to heat substances, including fluids and for cooking, and to provide concentrated sunlight for other uses. The system includes an inflatable sunlight concentrator (upper balloon), an inflatable cooking housing (bott
Disclosed are systems and methods to concentrate sunlight with inflatable enclosures to heat substances, including fluids and for cooking, and to provide concentrated sunlight for other uses. The system includes an inflatable sunlight concentrator (upper balloon), an inflatable cooking housing (bottom balloon), and a cooking container. When inflated, the upper balloon has a substantially cone-shape and concentrates sunlight towards the bottom balloon. The bottom balloon may be of various shapes and may concentrate sunlight towards the cooking space. Each balloon is less than two ounces and can be folded into a small pocket-sized package when it is deflated. The cooking space may be a thermal bag, a box, or an insulated space.
대표청구항▼
1. An inflatable light weight solar cooker comprising an inflatable upper chamber which comprises an inflatable upper chamber substantially transparent refractive upper lens, a substantially conical outer wall, a substantially reflective inner wall, a substantially transparent lower lens, and at lea
1. An inflatable light weight solar cooker comprising an inflatable upper chamber which comprises an inflatable upper chamber substantially transparent refractive upper lens, a substantially conical outer wall, a substantially reflective inner wall, a substantially transparent lower lens, and at least one gas passage nozzle, and is capable of allowing sunlight to pass into a lower chamber which is capable of allowing sunlight to pass into a cooking chamber. 2. The inflatable light weight solar cooker of claim 1 wherein the inflatable upper chamber substantially transparent refractive upper lens comprises a flexible material selected from the group consisting of polyester film, polyvinyl film, polyethylene film, and polyethylene terephthalate film. 3. The inflatable light weight solar cooker of claim 1 wherein the substantially conical outer wall comprises a flexible material selected from the group consisting of polyester film, polyvinyl film, polyethylene film, and polyethylene terephthalate film. 4. The inflatable light weight solar cooker of claim 1 wherein the substantially reflective inner wall comprises a flexible material selected from the group consisting of reflective polyester film, reflective polyvinyl film, and aluminized coating on a flexible substrate. 5. The inflatable light weight solar cooker of claim 1 wherein the substantially transparent lower lens comprises a flexible material selected from the group consisting of polyester film, polyvinyl film, polyethylene film and polyethylene terephthalate film. 6. The inflatable light weight solar cooker of claim 1 wherein the least one gas passage nozzle is flexible. 7. The inflatable light weight solar cooker of claim 1 wherein inflatable upper chamber has an inflatable upper chamber solar radiation entrance width (‘a’), and an inflatable upper chamber solar radiation exit width (‘b’), wherein the inflatable upper chamber solar radiation entrance width (‘a’) is less than three times the inflatable upper chamber solar radiation exit width (‘b’). 8. The inflatable light weight solar cooker of claim 1 wherein the lower chamber comprises an inflatable outer wall, a inner chamber and at least one gas passage nozzle and has a substantially cylindrical shape. 9. The inflatable light weight solar cooker of claim 1 further comprising a lower chamber transparent cover adjacently between the inflatable upper chamber and the lower chamber. 10. The inflatable light weight solar cooker of claim 1 wherein the lower chamber is inflatable and comprises an outer surface, an at least partially open inner chamber and at least one gas passage nozzle and has a semi-circular toroidal shape. 11. The inflatable light weight solar cooker claim 10 wherein the outer surface is reflective. 12. The inflatable light weight solar cooker claim 1 wherein the lower chamber is inflatable and comprises an outer surface, an at least partially open inner chamber and at least one gas passage nozzle and has a toroidal shape. 13. The inflatable light weight solar cooker claim 1 further comprising a supporting stand adjacent to the inflatable upper chamber for providing stability of the inflatable upper chamber with regard to the lower chamber. 14. The inflatable light weight solar cooker claim 1 further comprising a supporting strap affixing a supporting stand to the inflatable upper chamber. 15. The inflatable light weight solar cooker of claim 1 further comprising a cowling with inner reflective surface adjacently between the inflatable upper chamber and the lower chamber. 16. A method of delivering thrice-concentrated sunlight into a cooking chamber comprising: concentrating sunlight by refraction through an inflatable upper chamber substantially transparent refractive upper lens and passing the concentrated sunlight into an inflatable upper chamber,concentrating the sunlight a second time in the inflatable upper chamber with a substantially conical outer wall and a substantially reflective inner wall,passing the sunlight through a substantially transparent lower lens to concentrate the sunlight a third time by refraction, anddelivering the thrice-concentrated sunlight into a cooking chamber.
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이 특허에 인용된 특허 (3)
Winston ; Roland, Cylindrical radiant energy direction device with refractive medium.
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