Wing flap seal bump

Details Wing flap seal bump Wing flap seal bump

1998-10-16

2000-06-13

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244214, 244130, B64C 350

Patent

active

060738898

ABSTRACT:
A sealing device (20) for an airplane (22). The airplane having a wing (24) and a first engine nacelle (26) attached to the wing. The wing having a wing root, a wing tip, a leading edge, a trailing edge and at least a first flap (30b) operatively connected to the leading edge. The flap being actuatable between a retracted position and an extended position. The flap in the extended position defining a gap between the flap and engine nacelle. The sealing device includes a body attached to the engine nacelle. The body having a forward portion (54), a center portion (56) and an aft portion (58). The body being positioned on the engine nacelle to contact the flap when the flap is in the extended position and forming a seal between the flap and nacelle to improve aerodynamic efficiency of the wing. The seal is formed by the flap being nested within the center portion of the body when the flap is in the extended position. The seal contours airflow along a spanwise direction defined by an axis extending between the wing root and tip to improve aerodynamic efficiency of the wing.

REFERENCES:
patent: 2207242 (1940-07-01), De Seversky
patent: 2927749 (1960-03-01), Brownell
patent: 3968946 (1976-07-01), Cole
patent: 4384693 (1983-05-01), Pauly et al.

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