Stratospheric balloon with long flight duration
US5992795A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Oct 23, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64B1/58
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A stratospheric balloon comprising on the one hand an external flexible envelope (1) having a natural shape and made of transparent synthetic material and presenting an air inlet and, on the other hand, an internal screen (2) made of visible and infrared energy collecting material and having the shape of a surface generated by a mobile generatrix parallel to the longitudinal symmetry axis of the external envelope. The internal shield is connected to the envelope (1) by attachments arranged at the upper part of the envelope at a distance from the longitudinal axis of the latter, and extending longitudinally freely inside the envelope (1) without contacting it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.