Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Patent
1996-05-13
1998-11-17
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
244139, 244147, B64D 2500
Patent
active
058365443
ABSTRACT:
An emergency soft-landing system (10) for use on a rotor-type aircraft such as a helicopter (70). The system (10) includes at least one parachute-containing structure (12) that houses at least one parachute (50). The structure (12) is designed to be selectivelly attached to various locations on the helicopter's lower surface (76), the sides (82), and to the landing gear struts (85). The parachute (50) is deployed from the structure (12) when an out-of-control landing is unavoidable or an extreme emergency exists. The system (10) can be designed so that the parachute-containing structure (12) operates in combination with an airbag (60). An airbag can be attached to the helicopter's lower surface (76) near the rear end (78), and front end (80), and to the center of the helicopter between the landing gear (84). The parachute(s) (50) and airbag(s) (60) are designed to be manually deployed by a helicopter crew member or automatically by a dynamic responsive switch (34). The switch (34) is enabled when the helicopter reaches a specified altitude or an abnormal rate of descent.
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Barefoot Galen L.
Cota Albert O.
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