A high altitude balloon system includes a dual chamber balloon extending from an upper apex to a lower apex with a circumferential edge between the upper and lower apexes. A deflectable diaphragm is within the dual chamber balloon and coupled along the circumferential edge. The deflectable membrane
A high altitude balloon system includes a dual chamber balloon extending from an upper apex to a lower apex with a circumferential edge between the upper and lower apexes. A deflectable diaphragm is within the dual chamber balloon and coupled along the circumferential edge. The deflectable membrane divides the dual chamber balloon into a lift gas chamber formed by an interior surface of the dual chamber balloon and the deflectable diaphragm, and a ballast chamber formed by the interior surface of the dual chamber balloon and the deflectable diaphragm. Optionally, the dual chamber balloon is constructed by interposing the deflectable diaphragm between an upper and lower balloon panels. Each of the upper and lower balloon panels and the deflectable diaphragm are then coupled together along the circumferential edge to form both the lift gas chamber and the ballast chamber.
대표청구항▼
1. A high altitude balloon system comprising: an upper balloon panel extending from an upper apex to an upper panel edge;a lower balloon panel separate from the upper balloon panel, the lower balloon panel extends from a lower apex to a lower panel edge; a deflectable diaphragm between the upper and
1. A high altitude balloon system comprising: an upper balloon panel extending from an upper apex to an upper panel edge;a lower balloon panel separate from the upper balloon panel, the lower balloon panel extends from a lower apex to a lower panel edge; a deflectable diaphragm between the upper and lower balloon panels, the deflectable diaphragm includes a diaphragm edge interposed between the upper and lower panel edges; a circumferential edge extending around each the deflectable diaphragm and the upper and lower balloon panels, the circumferential edge includes: the diaphragm edge interposed between the upper and lower panel edges, and an edge seal extending between each of the diaphragm edge and the upper and lower panel edges; and wherein the deflectable diaphragm and the upper balloon panel form a lift gas chamber, the diaphragm and the lower balloon panel form a ballast chamber, and the deflectable diaphragm is configured for deflection to change volumes of each of the lift gas and ballast chambers. 2. The high altitude balloon system of claim 1, wherein the edge seal extending between each of the diaphragm edge and the upper and lower panel edges is a single bond. 3. The high altitude balloon system of claim 1 comprising a plurality of tendons extending over the upper and lower balloon panels between the upper and lower apexes. 4. The high altitude balloon system of claim 3, wherein tendons of the plurality of tendons each extend through a respective circumferential anchor at the circumferential edge, the circumferential anchor including the upper and lower panel edges and the diaphragm edge. 5. The high altitude balloon system of claim 1, wherein the deflectable diaphragm is the same size as the upper and lower balloon panels. 6. The high altitude balloon system of claim 1, wherein at least two or more of the upper and lower balloon panels and the deflectable diaphragm are constructed with different materials. 7. The high altitude balloon system of claim 1, wherein the deflectable diaphragm includes a diaphragm disc and the upper and lower balloon panels include upper and lower balloon discs, respectively. 8. A high altitude balloon system comprising: a stack of balloon panels, the stack of balloon panels includes: a lower balloon panel extending from a lower apex to a lower panel edge, an upper balloon panel separate from the lower balloon panel, the upper balloon panel extends from an upper apex to an upper panel edge and a stacked circumferential edge extending around each of the deflectable diaphragm and the upper and lower balloon panels, the circumferential edge includes: the upper and lower panel edges and the diaphragm edge stacked over each other with the upper panel edge stacked over the diaphragm edge and each of the upper panel edge and the diaphragm edge stacked over the lower panel edge, and an edge seal extending between each of the stacked upper and lower panel edges and the diaphragm edge. 9. The high altitude balloon of claim 8, wherein the edge seal extending between each of the stacked upper and lower panel edges and the diaphragm edge is a single bond. 10. The high altitude balloon of claim 8 comprising a plurality of tendons extending over the upper and lower balloon panels between the upper and lower apexes. 11. The high altitude balloon of claim 10, wherein tendons of the plurality of tendons each extend through a respective circumferential anchor at the stacked circumferential edge, the circumferential anchor includes the upper and lower panel edges and the diaphragm edge. 12. The high altitude balloon of claim 8, wherein the deflectable diaphragm is the same size as the upper and lower balloon panels. 13. The high altitude balloon of claim 8, wherein at least two or more of the upper and lower balloon panels and the deflectable diaphragm are constructed with different materials. 14. The high altitude balloon of claim 8, wherein the deflectable diaphragm and the upper balloon panel form a lift gas chamber, the deflectable diaphragm and the lower balloon panel form a ballast chamber, and the deflectable diaphragm is configured for deflection to change volumes of each of the lift gas and ballast chambers. 15. The high altitude balloon system of claim 8, wherein the deflectable diaphragm includes a diaphragm disc and the upper and lower balloon panels include upper and lower balloon discs, respectively. 16. A method of making a high altitude balloon system comprising: stacking a plurality of balloon panels including: stacking a deflectable diaphragm over a lower balloon panel, and stacking an upper balloon panel over the deflectable diaphragm, wherein the deflectable diaphragm is interposed between the upper and lower balloon panels and the upper and the lower balloon panels are separate; and forming a circumferential edge around each of the deflectable diaphragm and the upper and lower balloon panels, forming die circumferential edge includes: sealing a diaphragm edge of the deflectable diaphragm with upper and lower panel edges of the respective upper and lower balloon panels, and wherein the diaphragm edge is sealed between the upper and lower panel edges. 17. The method of claim 16, wherein sealing the diaphragm edge and the upper and lower panel edges includes a single bond between each of the diaphragm edge and the upper and lower panel edges. 18. The method of claim 16, wherein sealing the diaphragm edge and the upper and lower panel edges is at the same time. 19. The method of claim 16, wherein the deflectable diaphragm includes a diaphragm disc and the upper and lower balloon panels include upper and lower balloon discs, respectively, stacking the deflectable diaphragm over the lower balloon panel includes stack the diaphragm disc over the lower balloon disc, andstacking the upper balloon panel over the deflectable diaphragm includes stacking the upper balloon disc over the diaphragm disc. 20. The method of claim 16 comprising coupling a plurality of tendons over a balloon outer surface. 21. The method of claim 20, wherein coupling the plurality of tendons includes feeding one or more of the tendons of the plurality of tendons through the circumferential edge including each of the upper and lower balloon panel edges and the diaphragm edge.
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