Balloon system
US9568918B1 · kind B1 · utility
2Cited by
10References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 2015 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Aug 27, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64B1/64
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a balloon system that includes a flexible volume balloon hull configured to contain a lifting gas, a flexible volume ballonet contained within said balloon hull configured to contain a refrigerant gas and a refrigerant gas transfer device in fluid communication with the ballonet to control the balloon's vertical ascent and descent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.