Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent
1988-05-10
1990-06-12
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft, lighter-than-air
Balloons
244 31, 244 96, 244 93, 244127, 182142, B64B 150
Patent
active
049326066
ABSTRACT:
A rescue balloon for rescuing individuals from high places such as towers and buildings includes an enclosed envelope for holding heated air under substantially greater than atmospheric pressure with a burner contained within the enclosed envelope for burning a combustible gas to generate sufficient heated air under pressure in the envelope to provide lift to the balloon. A rescue compartment is carried by the envelope for accommodating rescued individuals and a tether is provided for guiding the balloon as necessary to effect rescues. The balloon includes a porous blast shield positioned within the envelope to prevent direct contact between the envelope and the flame of the burner. The blast shield comprises an upright cylinder supported and secured in fixed relation within the envelope by a plurality of catenaries attached to the blast shield and to the inner walls of the envelope around its perimeter. The burn super-pressurizes the heated air within the envelope.
REFERENCES:
patent: 1023759 (1912-04-01), Rectenwald
patent: 1866079 (1932-07-01), Blondin
patent: 3393769 (1968-07-01), Springer
patent: 4076188 (1978-02-01), Obermoller
patent: 4084771 (1978-04-01), Creuzet
patent: 4332547 (1982-06-01), MacDonald, Jr.
patent: 4421204 (1983-12-01), Lawrence
patent: 4457477 (1984-07-01), Regipa
Adams, III W. Thad
Peters Jr. Joseph F.
Sartelle Anne
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