Vertical lift aircraft

Details Vertical lift aircraft Vertical lift aircraft

B - Operations, Transporting

64

C

B64C 27/20 (2006.01) B64C 39/00 (2006.01)

Patent

CA 2087378

A vertical lift aircraft comprising an aircraft body and a lifting assembly is presented. The lifting assembly comprises a frame wherein at least one airfoil assembly which includes a plurality of airfoils attached to a drive ring is secured. As the drive ring rotates, the airfoils move through the air and create lift. The pitch of the airfoils or blades can be fixed or variable. The drive ring is rotated by a band which is in frictional contact with the inner surface of the drive ring. The band is rotated by at least one pair of rollers which are in frictional contact with the band. Aircraft stability is controlled by regulating airfoil pitch which is responsive to pivoting of a control ring. Alternatively, aircraft stability is provided by regulating the flow of air or gas from a plurality of nozzles disposed about the aircraft. The body. a portion of which may be located inside the lifting assembly, includes a passenger and load carrying compartment and an engine assembly.

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