Aircraft

Details Aircraft Aircraft

1977-06-15

1980-04-08

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and fluid sustained

244 23C, 244 1719, 416114, B64C 2722, B64C 312

Patent

active

041968778

ABSTRACT:
An aircraft comprising a generally annular wing structure surrounding a circular central structure to form an annular air duct, a pair of fuselages extending longitudinally at opposite sides of the aircraft, and rotor blades extending radially across the air duct from the central structure and rotatable relative to the central structure around the duct for inducing airflow through the duct to effect a lift on the aircraft. The annular wing structure consists of forward and rear wings forming air foils, the forward wing having a generally semicircular trailing edge and the rear wing having a generally semicircular leading edge.

REFERENCES:
patent: 1968497 (1934-07-01), Magalis
patent: 2074805 (1937-03-01), Platt
patent: 2410545 (1946-11-01), Main
patent: 2876964 (1959-03-01), Streib
patent: 3002709 (1961-10-01), Cochran
patent: 3253805 (1966-05-01), Taylor
patent: 3456902 (1969-07-01), Visconti
patent: 3640485 (1972-02-01), Mutrux

Affiliated with

Also associated with

Rating

Aircraft does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Aircraft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aircraft will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-969771