Patent ID: 6547180
Filing Date: 2003-04-15
Classification: B64C

Abstract:
A vertical take-off and vertical landing aircraft comprising an aircraft body including at least one wing on either side of the aircraft body to provide lift for the aircraft during forward movement, a normally vertically or substantially vertically extending main air duct extending through the body and having at least one air inlet at the top and at least one air outlet at the bottom, impeller means located in said duct and operable to create a downward flow of air and comprising two oppositely rotatable impellers driven to rotate about a vertical or substantially vertical axis within said duct, wing ducts extending from air distribution means to extremities of the wings and exiting in a downward direction and extending to spaced apart regions in each wing for stabilization, a rear air duct leading to the rear of the body with an air outlet for optionally contributing to forward propulsion and directional control, and wherein air is directed from the impeller means to an air distribution means located beneath the impeller means, said distribution means enabling some of the air-flow to flow through said wing ducts and some to flow through said rear duct, an engine connected to drive said impeller means, and control means for controlling air direction or deflection at the outlet of each of the wing ducts and at the bottom outlet duct and at the rear outlet.