Methods and apparatus for a multi-segment flap fence

Details Methods and apparatus for a multi-segment flap fence Methods and apparatus for a multi-segment flap fence

2011-01-25

2011-01-25

Dinh, Tien (Department: 3644)

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

C244S215000

Reexamination Certificate

active

07874524

ABSTRACT:
A multi-segment flap fence is incorporated into the wing such that a lower fence structure is attached to the underside of the fixed wing, an upper fence structure is attached to the main flap (e.g., at the outboard end). The two flap segments are configured to slideably articulate with respect to each other when the flap is extended to form a composite flap fence having an area that is substantially equal to the sum of the surface areas of the upper and lower flap fence structures. In one embodiment, the area of the upper fence is less than that of the lower fence.

REFERENCES:
patent: 4600172 (1986-07-01), Loth
patent: 4712752 (1987-12-01), Victor
patent: 5749546 (1998-05-01), Blackner et al.
patent: 7300021 (2007-11-01), Voogt
patent: 2051706 (1981-01-01), None
patent: PCT US/2008/081472 (2008-10-01), None

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