Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1980-02-15
1982-04-27
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244 23D, 244110B, 23926527, 23926543, 60226R, 60262, B64C 2104
Patent
active
043266860
ABSTRACT:
Comparatively cool fan bypass air in the annular space surrounding the air compressor of a fan jet engine is diverted near the front of the engine into a duct leading to right and left hand aircraft wing leading edge ducts which in turn deliver the bypass air to a wing blowing device to augment wing lift. All of the fan-generated bypass air can be positively forced into the common duct or manifold by operation of a guided flexible metal strip of sufficient length to form a concave helical diverter vane extending for one complete turn in the annular bypass air engine space when activated by a power control mechanism. Fixed coacting guides shape the normally flat metal strip into the proper cross sectional configuration when the strip is driven to its active bypass air diverting position.
REFERENCES:
patent: 1910098 (1933-05-01), Ellis
patent: 2174542 (1939-10-01), Weick
patent: 3280560 (1966-10-01), Marchant et al.
patent: 3330115 (1967-07-01), Markowski
patent: 3854286 (1974-12-01), Klees
patent: 3893638 (1975-07-01), Kelley
patent: 4205813 (1980-06-01), Evans et al.
Barefoot Galen L.
Fishburne, Jr. B. P.
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