Ballonet system for a lighter-than-air vehicle

Details Ballonet system for a lighter-than-air vehicle Ballonet system for a lighter-than-air vehicle

1994-06-20

1996-07-23

Kashnikow, Andres

Aeronautics and astronautics

Aircraft control

Airship control

244 30, 244 96, 244128, 244 98, 244125, 244 121, 244905, 244100A, B64B 158

Patent

active

055382037

ABSTRACT:
The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gas bag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes a plurality of ballonets located within the gas bag positioned along the longitudinal axis and on each side of the vertical axis of the vehicle. Each of the ballonets include a flexible sheet joined at its periphery thereof to a portion of the wall of the gas bag. A ballonet pressurization system is coupled to each ballonet for pressurizing them with air that includes the portion of the wall of the gas bag forming the ballonet having a plurality of holes therethrough. A manifold having an inlet port is joined to the wall covering the holes therein and is adapted to diffuse the pressurized air entering therein. Also included is at least one reversible flow fan having an inlet port coupled to ambient atmosphere and an outlet port coupled to the inlet port of the manifold for providing pressurized air to the interior of the ballonet and to exhaust air therefrom. A valve located in the outlet port of the fan is provided for preventing air from flowing into and out of the interior of the manifold through the inlet port of the fan when the fan is not in operation.

REFERENCES:
patent: 1475210 (1923-11-01), Upson
patent: 1580004 (1926-04-01), Bradford
patent: 1797502 (1931-03-01), Hall
patent: 1972242 (1934-09-01), Morse
patent: 2094619 (1937-10-01), Reichert et al.
patent: 2331404 (1943-10-01), Liebert
patent: 3420473 (1969-01-01), Krafft
patent: 5143322 (1992-09-01), Mason
patent: 5333817 (1994-08-01), Kalisz et al.

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