Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1983-09-30
1985-09-24
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244 91, 244 49, B64C 504, B64C 512, B64C 516
Patent
active
045428662
ABSTRACT:
A pair of canards (18, 20) are mounted to the fuselage (22) of an aircraft (10). Each canard is mounted to the fuselage by a hinge (44) for vertical swinging movement. Connected to the hinge (44) is a trunnion (72) about which the canard rotates for incidence adjustment. The hinge (44) for each canard is independently powered by a drive motor (58) enabling the canards (18, 20) to be vertically moved either symmetrically or asymmetrically. Incidence is changed by a rotary actuator housed within the trunnion (72) for each canard. The rotary actuator for each canard is independently operable enabling the canards (18, 20) to be symmetrically or asymmetrically rotated.
REFERENCES:
patent: 3152775 (1964-10-01), Boyd
patent: 3642234 (1972-02-01), Kamber et al.
patent: 3680816 (1972-08-01), Mello
patent: 3730458 (1973-05-01), Haberkorn
patent: 3881671 (1975-05-01), Bouchnik
patent: 3883094 (1975-05-01), Mederer
patent: 4247062 (1981-01-01), Brueckner
patent: 4336914 (1982-06-01), Thomson
patent: 4354646 (1982-10-01), Raymer
patent: 4357777 (1982-11-01), Kulik
Caldwell Allan L.
Hardy Richard
Neumann Frank D.
Barefoot Galen L.
Barnard Delbert J.
Kaser Bruce A.
The Boeing Company
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