Deflation cap for pressurized hot air airship
US4033527A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 3, 1976 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Feb 3, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64B1/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hot air airship including an elongate aerodynamic shaped gas envelope carrying a pressure hot air generator system for pressurizing the envelope with heated air during flight with tail members at the aft end of the airship for guiding and directing the direction and attitude of flight, a gondola supported from the envelope for carrying the load including a push fan for propelling it in flight, a pressurizing blower and hot air generator for carrying with the ship, a deflation opening in the airship envelope having a cap over the elongate envelope with a netting sewn over the opening outwardly of the cap and the cap attached by Velcro along its edges and permanently attached at side edges so that the fore and aft edges can be pulled away from the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.