Lighter-than-air craft

Details Lighter-than-air craft Lighter-than-air craft

1987-03-05

1988-09-27

Barefoot, Galen

Aeronautics and astronautics

Aircraft, lighter-than-air

244 30, 244 31, 244128, 244 97, B64B 160

Patent

active

047736178

ABSTRACT:
A lighter-than-air craft [10] having an outer envelope [11] divided into an inner envelope [25] and a plurality of compartments [40,41,42]. The compartments are filled with lifting gases such as helium and hydrogen and the overall lifting force of the craft is regulated by supplying hot air to the inner envelope.

REFERENCES:
patent: 1160095 (1915-11-01), Boerner
patent: 1336601 (1920-04-01), Upsor
patent: 1549570 (1925-09-01), Boothby
patent: 1577756 (1926-03-01), Reagan
patent: 1648935 (1927-11-01), Campau
patent: 1682405 (1928-08-01), Naatz
patent: 1853376 (1932-04-01), Powelson et al.
patent: 1900744 (1933-03-01), Strobl
patent: 2396494 (1946-03-01), Donnell et al.
patent: 3488019 (1970-01-01), Sonstegaard
patent: 4326681 (1982-04-01), Estoo

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