Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1991-08-23
1993-03-09
Barefoot, Galen
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244 328, 244 329, 244 49, F42B 1014, B64C 356
Patent
active
051920379
ABSTRACT:
A double-pivoting deployment system for aerosurfaces, such as wings or fins, for use on aerospace vehicles. Each aerosurface has an inner segment and an outer segment. The inner segment is pivotally connected at a first axis of rotation to the support structure of the aerospace vehicle. An outer side portion of the inner segment is pivotally connected at a second axis of rotation to an inner side portion of the outer segment. In operation, the outer segment is stowed adjacent to the body of the aerospace vehicle such that the surface plane of the outer segment is longitudinally aligned with the longitudinal axis of the aerospace vehicle, and the aerosurface span is longitudinally aligned with, the longitudinal axis of the aerospace vehicle. From the stowed position, the outer segment is first rotated substantially 90.degree. about the second axis of rotation so that the surface plane of the outer segment is generally horizontal; subsequently, the entire aerosurface is rotated about the first axis of rotation so that aerosurface span projects outwardly from the body of the aerospace vehicle.
REFERENCES:
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patent: 4588146 (1986-05-01), Schaeffel, Jr. et al.
patent: 4664339 (1987-05-01), Crosfield
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patent: 5035378 (1991-07-01), Spanovich
Ansley Virna Lissi
Barefoot Galen
Courson Timothy H.
Hudson, Jr. Benjamin
McDonnell Douglas Corporation
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