Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1993-11-10
1996-08-13
Kashnikow, Andres
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244216, B64C 350, B64C 922
Patent
active
055448470
ABSTRACT:
A leading edge slat wing combination where the slat is mounted to a pair of circularly curved carrier tracks positioned within the outer surface contour of the fixed wing. In moving from the cruise configuration to the take-off and climb configuration and thus to the fully deployed landing configuration, the slat has a fixed angular orientation relative to the carrier track. This eliminates the need for auxiliary track assemblies of the prior art that are used in addition to the carrier tracks to change the angular position of the slat for the high lift configuration. Also, in two embodiments, the slat, in the take-off and climb configuration, forms a gap or slot with the fixed wing, and the gap or slot is sealed in the vicinity of the carrier tracks. The arrangement of the present invention is produced by a design technique of identifying design envelopes or areas for certain surface areas and locations of elements of the slat and fixed wing, and then properly matching the configuration and movement of the components within these design envelopes to arrive at an optimized configuration where the curved carrier tracks can be used while being fixedly attached to the slat.
REFERENCES:
patent: 4360176 (1982-11-01), Brown
patent: 4399970 (1983-08-01), Evans
patent: 4650140 (1987-03-01), Cole
patent: 4752049 (1988-06-01), Cole
patent: 4753402 (1988-06-01), Cole
Hughes Robert B.
Kashnikow Andres
Mojica Virna Lissi
The Boeing Company
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