Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Reexamination Certificate
2007-04-24
2007-04-24
Swiatek, Robert P. (Department: 3643)
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
C244S091000
Reexamination Certificate
active
10606265
ABSTRACT:
Methods for increasing the performance of a foil (100) by using tip droop (102) having an inward directed camber capable of generating an inward directed lifting force on the tip droop (102) in order to control spanwise flow conditions adjacent the tip (112) of a foil (100). Methods for varying the inward lifting shape of a tip droop (102) are provided along with methods for varying the angle of attack and camber of the tip droop (102) as the angle of attack of the foil (100) is changed and as spanwise flow conditions vary.
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Astor, Esq. Sanford
Lewis Brisbois Bisgaard & Smith LLP
Swiatek Robert P.
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