Aeronautics and astronautics – Aircraft structure – Fuel supply
Patent
1981-08-19
1984-04-10
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft structure
Fuel supply
244136, 239171, 251203, B64D 3726
Patent
active
044416733
ABSTRACT:
The present Airfoil Fuel Ejection Device consists of a retractable bulkhead(s) located in the under-side of the airfoil. The retractable bulkhead(s) is actuated through a combination of rotable worm gear drive shaft, rigid rod guidance members, drive motor, gaskets and remote control mechanism acting in unison. Specific embodiments of the Airfoil Fuel Ejection Device act through levers, support members, tracks, cylinders and pistons, brackets, interior bulkheads and guides. All the embodiments embrace a retractable bulkhead(s) seated in gaskets contoured to the circumference of the bulkhead in order to allow the latter to assume a flush position with the remainder of the under-side of the airfoil during normal flight operations. In addition the gaskets in conjunction with rigid rods assure a secure closure which deters inadvertent leakage or dumping while maintaining the structural integrity of the airfoil. In order to control ejection of fuel or other contents of the airfoil, the pilot can control the rate of ejection through the amount and rate of retraction imparted to the retractable bulkhead(s). The bulkhead(s) retracts inwardly or outwardly depending on the embodiment of the Airfoil Fuel Ejection Device some featuring pivoting while others featuring sliding action in exposing part or all of the fuel storage compartment to the atmosphere. The Airfoil Fuel Ejection Device offers a unique concept in controlled dissipation of the contents of an airfoil while maintaining structural integrity and reliability of the fuel storage compartment and airfoil.
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