Patent ID: 11904999
Assignee: WORLD VIEW ENTERPRISES INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. A high altitude balloon system comprising:
a zero pressure balloon (ZPB);
a multi-chamber super pressure balloon (SPB) coupled with the ZPB along a longitudinal axis and configured to receive air from a surrounding atmosphere and expel the air to control a downward force to the balloon system, the multi-chamber SPB comprising an upper portion, a middle portion, and a lower portion, wherein each of the upper and lower portions are radially wider than the middle portion; and
a stratocraft coupled with the multi-chamber SPB and comprising:
a payload support configured to support a payload; and
a parafoil coupled with the payload support and configured to controllably descend with the payload support to a landing site.