Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained
Patent
1982-10-12
1984-10-23
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and fluid sustained
244207, 244 55, 244 91, B64C 2104, B64D 2718
Patent
active
044783787
ABSTRACT:
A jet propelled aircraft of the kind in which propulsion jets are directed over the top surface of the wing so as to cause additional lift as a result of the supercirculation induced on the wing and the deflection of the jets downwards, due to the Coanda effect, immediately downstream of the wing is provided with two longitudinal surfaces projecting from said top surface so as to form a single surface ejector system. The wing of the aircraft has a fixed front part which occupies a minor portion of the wing chord, and a movable rear portion which is articulated to the fixed portion about a substantially transverse axis and can be inclined downwards relative to the fixed part. The portion of the wing between the two longitudinal surfaces may be provided on its trailing edge with a movable attitude control surface of the aircraft. The aircraft may also include a sensor to detect variations in the relative air flow direction in a determined flight attitude, and an actuator to control the movable control surface as a function of the output signal of the sensor in such a manner as to maintain unchanged the attitude of the aircraft.
REFERENCES:
patent: 2001607 (1935-05-01), Gianoli
patent: 2428194 (1947-09-01), Bockrath
patent: 2541922 (1951-02-01), Hosford
patent: 3026067 (1962-03-01), Grant
patent: 3051413 (1962-08-01), Pouit
patent: 3756542 (1973-09-01), Bertin
patent: 3884432 (1975-05-01), Blanchard et al.
patent: 3938760 (1976-02-01), Hoppner et al.
patent: 4099691 (1978-07-01), Swanson et al.
patent: 4398683 (1983-08-01), Schmetzer
Aeritalia-Societa Aerospaziale Italiana-per Azioni
Barefoot Galen L.
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