VTOL aircraft

Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained

Patent

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Details

244 23D, 244 52, 23926519, 23926527, 23926525, B64C 2900

Patent

active

051159961

ABSTRACT:
A VTOL aircraft including a fuselage with four nacelles, three vertical stabilizers and a horizontal stabilizer attached to the fuselage. The fuselage and the nacelles are lifting bodies that are configured to jointly form an aerodynamic lifting body which cooperates with the horizontal stabilizer to provide aerodynamic lift to the aircraft in forward flight. Each nacelle contains two rotary engines directly driving corresponding fans which face each other and operate in counter-rotating directions. Each nacelle also contains a system of vanes located at the rear opening thereof, and actuators for extending and retracting the vanes to deflect the airflow over a predetermined range of angles from the horizontal. Each engine utilizes the dynamic pressure of the air behind the fans to provide a source of air for cooling the rotors and exhaust system. A triple redundant computerized flight control system maintains the stability of the aircraft as it transitions from one flight regime to another as well as in flight. The system of vanes alone can also be used as an apparatus for gas or fluid stream directional control.

REFERENCES:
patent: 2923494 (1960-02-01), Strong
patent: 3061242 (1962-10-01), Zurawinski et al.
patent: 3081597 (1963-03-01), Kosin et al.
patent: 3087303 (1963-04-01), Heinze et al.
patent: 3206929 (1965-09-01), Marchant et al.
patent: 3259338 (1966-07-01), Schmidt
patent: 3262511 (1966-07-01), Carr
patent: 3265142 (1966-08-01), Winter
patent: 3291242 (1966-12-01), Tinajero
patent: 3292864 (1966-12-01), Edkins
patent: 3486577 (1969-12-01), Jackes
patent: 4071207 (1978-01-01), Piasecki et al.
patent: 4804155 (1989-02-01), Strumbos

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