Aircraft, having a pair of counter rotating rotors

Details Aircraft, having a pair of counter rotating rotors Aircraft, having a pair of counter rotating rotors

1990-04-06

1991-11-12

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft, heavier-than-air

Fluid sustained

244 122, 244 123, 244 23B, B64C 2900

Patent

active

050641433

ABSTRACT:
The aircraft has a pair of rotors driven to counter-rotate within a housing. The housing has adjustable air guiding discuss for the rotor stream and a airfoil-like outer shape to generate lift at horizontal flight. The air guiding devices include a circular arrangement of a plurality of individual sectors having tangentially extending blades arranged in a zone below the rotors. In each sector the blades are adjustable in their position relative to the rotor stream. In at least some of the sectors, the blades are arranged in pairs for an adjusting movement in opposite relative sense. The air guiding devices allow precise and easy control of the aircraft maneuvers.

REFERENCES:
patent: 2461435 (1949-02-01), Neumann et al.
patent: 2777649 (1957-01-01), Williams
patent: 2863621 (1958-12-01), Davis
patent: 2880945 (1959-04-01), Crane
patent: 3395876 (1968-08-01), Green
patent: 3397852 (1968-08-01), Katzen
patent: 3437290 (1969-04-01), Norman
patent: 3599901 (1971-08-01), Relkil

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