Aerodynamic fairing system for airship

Details Aerodynamic fairing system for airship Aerodynamic fairing system for airship

2006-12-12

2006-12-12

Eldred, J. Woodrow (Department: 3641)

Aeronautics and astronautics

Aircraft, lighter-than-air

C244S030000, C244S123110, C244S125000

Reexamination Certificate

active

07147184

ABSTRACT:
An aerodynamic fairing system for an airship having a substantially spherical balloon portion includes an inflatable fairing that is attachable to the balloon portion, and a fairing actuation mechanism that selectively inflates and deploys the fairing after lift-off, and deflates and retracts the fairing before landing. The actuation mechanism includes an inflation/deflation mechanism and a deployment/retraction mechanism that cooperate to deploy and inflate the fairing, and to deflate and retract the fairing. The fairing includes a substantially conical, inflatable tail section tapering from a wide forward end to a narrow aft end, and a collapsible annular collar connecting the forward end of the tail section to the balloon portion. The inflation/deflation mechanism includes a fan system in the tail section, and the deployment/retraction mechanism includes a plurality of cables attached between the tail section and a plurality of winches mounted on the balloon portion.

REFERENCES:
patent: 4050653 (1977-09-01), Sayers
patent: 4995572 (1991-02-01), Piasecki
patent: 5358200 (1994-10-01), Onda
patent: 6655206 (2003-12-01), Barat
patent: 6793180 (2004-09-01), Nachbar et al.
patent: 2003/0071168 (2003-04-01), Barnes, III

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