Aeronautics and astronautics – Safety lowering devices – Parachutes
Patent
1993-07-16
1994-04-19
Huppert, Michael S.
Aeronautics and astronautics
Safety lowering devices
Parachutes
244142, B64D 1702
Patent
active
053038835
ABSTRACT:
A gliding decelerator and an assembly for use therein for improving the l to drag ratio associated therewith. In a preferred embodiment, the gliding decelerator includes a ram-air canopy shaped to include a plurality of half-cells, each half-cell having an open leading end and a closed tailing end. Inflatable bladders are secured within the respective half-cells of the canopy, the inflatable bladders being appropriately dimensioned so that, when inflated soon after the canopy has been opened, each bladder fills its respective half-cell in such a way as to stiffen the half-cell both along its length and at its open leading end. The inflatable bladders may be inflated simultaneously or in stages, the inflation means comprising a gas source, a flexible manifold connecting the gas source to the half-cells and valve means for controlling the output of the gas source. Control of the valve means may be automatic, e.g., a timer, a remote control unit, or may be controlled by a parachutist, e.g., completion of an electric circuit. The inflation means may be mounted within the wing-shaped canopy or may be externally mounted.
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Brewer John C.
Sadeck James E.
Bidwell Anne E.
Donahue Richard J.
Huppert Michael S.
Lane Anthony T.
The United States of America as represented by the Secretary of
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