Folding wing assembly

Details Folding wing assembly Folding wing assembly

1993-04-05

1994-12-13

Huppert, Michael S.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244130, B64C 356

Patent

active

053723368

ABSTRACT:
A folding wing assembly for use on an aircraft is disclosed. The folding wing assembly includes inboard and outboard wing sections which are pivotally interconnected such that the outboard wing section may pivot between folded and unfolded positions. A fairing unit is further pivotally interconnected to both the wing sections and extends chordwise across the wing assembly. The fairing unit is provided with a seal extending chordwise across an inner spanwise end of the fairing. The seat is adapted to engage the underside of a sealing flange attached to the upper surface of the inboard wing section. The other spanwise end of the fairing is adapted to engage a seal carried by the outboard wing section when the outboard wing section is in its fully unfolded position. In this unfolded position, the sealing flange and the fairing unit are substantially flush with the upper surface of the inboard and outboard wing sections and function to cover and seal the joint area between the wing sections so as to minimize aerodynamic drag resulting from the joint.

REFERENCES:
patent: 2712421 (1955-07-01), Naumann
patent: 3039721 (1962-06-01), Rogers, Jr.
patent: 3063660 (1962-11-01), Jarrell
patent: 3081053 (1963-03-01), Jarrell
patent: 4691880 (1987-09-01), Frank
patent: 4717093 (1988-01-01), Rosenberger et al.
patent: 4888451 (1989-12-01), Toni et al.

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