A system for heating liquid using solar radiation, includes a plurality of solar panels (1, 2, 3, 4, 5), at least one reservoir for heated liquid and pipes for circulating liquid between the respective solar panel and the at least one liquid reservoir, the liquid circulating by gravity circulation.
A system for heating liquid using solar radiation, includes a plurality of solar panels (1, 2, 3, 4, 5), at least one reservoir for heated liquid and pipes for circulating liquid between the respective solar panel and the at least one liquid reservoir, the liquid circulating by gravity circulation. The present system is characterized in that a non-return valve (17) for controlling the flow of heated liquid from the respective solar panel is placed in a portion of the circulation pipe between the upper end of the solar panel and the at least one liquid reservoir, the non-return valve (17) being adapted to open and close at a predetermined pressure in the liquid flow from the solar panel.
대표청구항▼
1. A system for heating liquid by solar radiation, comprising: a plurality of solar panels, at least one liquid reservoir for heated liquid and circulation pipes for circulating liquid between a solar panel of the plurality of solar panels and the at least one liquid reservoir, the liquid circulatin
1. A system for heating liquid by solar radiation, comprising: a plurality of solar panels, at least one liquid reservoir for heated liquid and circulation pipes for circulating liquid between a solar panel of the plurality of solar panels and the at least one liquid reservoir, the liquid circulating by thermosiphonic circulation;wherein the circulation pipes form part of an open flow circuit to the liquid reservoir, the open flow circuit connected to flow channels in each of the plurality of solar panels and the circulation pipes convey liquid from an upper end of the solar panel to the upper end of the liquid reservoir and back from a lower end of the liquid reservoir to a lower end of the solar panel;a non-return valve for controlling a flow of the heated liquid from each one of the plurality of solar panels located in a portion of the circulation pipe between the upper end of the solar panel and the at least one liquid reservoir, said non-return valve being adapted to open and close at a predetermined pressure in the liquid flow from the solar panel, said valve comprising a valve seat with a fluid opening, a float body being oriented substantially horizontal and having a fully flat underside at a central portion thereof and an element of greater thickness at a periphery of the central portion of the float body, for opening and closing the fluid opening, and being adapted to collects bubbles under the fully flat underside of the float body lifting the float body, and a spindle for controlling movement of the float body. 2. The system according to claim 1, wherein an area of the fully flat underside is substantially greater than a cross section of the circulation pipes. 3. The system according to claim 1, wherein the float body having a greater density than the heated liquid. 4. The system according to claim 1, wherein the at least one liquid reservoir has a large height relative to the at least one liquid reservoir's dimensions in cross-section. 5. The system according to claim 1, wherein at least two solar panels are joined together along adjacent lateral edges and outer, free lateral edges are positioned in such relationship to each other that a space can be formed between the solar panels for accommodating the at least one liquid reservoir and the circulation pipes. 6. The system according to claim 5, wherein the upper end of the solar panels that form side walls of a formed space slant downwards in a direction of the joined adjacent lateral edges and are covered by a solar panel placed on top of joined solar panels. 7. The system according to claim 5, wherein a solar panel extends out from and is joined to the free lateral edge of the respective joined solar panels. 8. The system according to claim 1, wherein at least one sunlight reflector is placed directly on the solar panel or panels in question. 9. The system according to claim 1, wherein at least one sunlight reflector is placed at a distance from the solar panel or panels in question. 10. A system for heating liquid by solar radiation, comprising: a plurality of solar panels, at least one liquid reservoir for heated liquid and circulation pipes for circulating liquid between a solar panel of the plurality of solar panels and the at least one liquid reservoir, the liquid circulating by thermosiphonic circulation;wherein the circulation pipes form part of a closed flow circuit in relation to a liquid in the liquid reservoir, and the circulation pipes connected to flow channels in each of the plurality of solar panels and circulation pipe sections which convey liquid from an upper end of the solar panel, through the liquid reservoir and back to a lower end of the solar panel;a non-return valve for controlling a flow of heated liquid from a respective one of the plurality of solar panels located in a portion of one of the circulation pipes between the upper end of the one solar panel and the at least one liquid reservoir, said non-return valve being adapted to open and close at a predetermined pressure in the liquid flow from the solar panel, said valve comprising a valve seat with a fluid opening, a float body being oriented substantially horizontal and having a fully flat underside at a central portion thereof and an element of greater thickness at a periphery of the central portion of the float body, for opening and closing the fluid opening, and being adapted to collect bubbles on the fully flat underside to lift the float body, and a spindle for controlling movement of the float body. 11. The system according to claim 10, wherein the at least one liquid reservoir has a large height relative to the at least one liquid reservoir's dimensions in cross-section. 12. The system according to claim 10, wherein at least two solar panels are joined together along adjacent lateral edges and outer, free lateral edges are positioned in such relationship to each other that a space can be formed between the solar panels for accommodating the at least one liquid reservoir and the circulation pipes. 13. The system according to claim 12, wherein the upper end of the solar panels that form side walls of a formed space slant downwards in a direction of the joined adjacent lateral edges and are covered by a solar panel placed on top of joined solar panels. 14. The system according to claim 12, wherein a solar panel extends out from and is joined to the free lateral edge of the respective joined solar panels. 15. The system according to claim 10, wherein at least one sunlight reflector is placed directly on the solar panel or panels in question. 16. The system according to claim 10, wherein at least one sunlight reflector is placed at a distance from the solar panel or panels in question. 17. A system for controlling circulation of a liquid between a plurality of solar panels and at least one liquid reservoir, the system comprising: a plurality of circulation pipes that receive a heated liquid from a top of flow channels of each of the plurality of solar panels and circulates the liquid to a top of the at least one liquid reservoir and returns the heated liquid from the a bottom portion of the at least one liquid reservoir to a bottom of each of the plurality of solar panels; andat least one non-return valve controlling the circulation of the heated liquid in the circulation pipes between the at least one liquid reservoir and each of the plurality of solar panels, the at least one non-return valve comprising: a valve seat with a fluid opening;a float body oriented horizontally having a fully flat underside at a central portion thereof and an element of greater thickness at a periphery of the central portion of the float body, the float body being in contact with the valve seat in a closed position and free of contact with the valve seat in an open position; anda spindle oriented vertically through a center of the center of the float body controlling the movement of the float body along a vertical axis,wherein the at least one non-return valve being in the closed position, bubbles of the heated liquid collect on the underside of float body and upon the collected bubbles reaching a predetermined pressure, the float body rises opening the at least one non-return valve, the heated liquid flowing through the fluid opening and upon the collected bubbles falling below the predetermined pressure the float body returns the at least one non-return valve to the closed position.
Salgado Angel M. (6060 W. Royal Palm Rd. Glendale AZ 85302) Drury Harold L. (3852 W. Dalphin Rd. Phoenix AZ 85021), Apparatus and method for a solar radiation water heater.
Salgado Angel M. (6060 W. Royal Palm Rd. Glendale AZ 85302) Drury Harold L. (3852 W. Dalphin Rd. Phoenix AZ 85021), Apparatus for a solar water heater.
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