Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Reexamination Certificate
2006-06-14
2009-08-25
Mansen, Michael R (Department: 3644)
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
Reexamination Certificate
active
07578484
ABSTRACT:
Link mechanisms for gapped rigid Krueger flaps, and associated methods and systems are disclosed. A system in accordance with one embodiment includes a deployable leading edge assembly that in turn includes a deployable leading edge panel having a generally fixed-shape flow surface, a bullnose coupled to the panel, and a link mechanism coupled to the panel and the bullnose to move the panel between a stowed position and a deployed position. The mechanism can include a first support link, a second support link, and first, second, and third positioning links. The positioning links can be pivotably connected among the leading edge panel, the bullnose, the first support link and the second support link so that the leading edge panel forms a gap with the airfoil when in the deployed position. The positioning links can be the only positioning links coupled between the support links, the leading edge panel, and the bullnose at a particular wing span location.
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Fox Stephen J.
Sakurai Seiya
Kreiner Michael
Mansen Michael R
Perkins Coie LLP
The Boeing Company
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