Emergency soft landing system for helicopters propeller

Details Emergency soft landing system for helicopters propeller Emergency soft landing system for helicopters propeller

B - Operations, Transporting

64

D

244/111

B64D 17/00 (2006.01) B64D 17/80 (2006.01)

Patent

CA 1246042

ABSTRACT This invention relates to a parachute deployment system which locates an emergency parachute within a housing in a stationary manner above the central rotating propeller of a helicopter. In one embodiment the parachute is located in a housing containing panels which can be thrust apart upon command, the panels being connected via strings to the parachute. The panels operate as air foils, rapidly deploying the parachute. In another embodiment the parachute is contained within a bore of the propeller hub, and is similarly deployed. Floatation bags preferably inflatable with nitrogen gas can be fixed to the helicopter and deployed with the same command as deploys the parachute. As a result the parachute remains untangled and gently allows the helicopter to descend upon engine failure, and is supportable in water by means of the floatation bags.

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