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US 2006/0032972 A1Published application
Vertical lift envelope
OwnerMilan Vavrainventor
Life of this patent
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OwnerMilan Vavrainventor
Estimating the term…
Saucer shaped vehicle, with VTOL capabilities, having another tapered toroidal body inside. Between the upper half of the toroid and the outer skin lies a circular wing,. Air will be drawn horizontally from the opening situated at the bottom outer edge of the skin, and directed inward to a lower cone in the duct via two counter rotating fan assemblies. Compressed air will pass up and over the horizontal wing causing lift. Inner design will utilize the inside part of the skin as a high pressure area, top part of the wing as low pressure, where a vacuum will be generated. Similar configuration will be applied to the under part of the wing and top of inner toroid. Air will be diverted under the inner toroid to a secondary airfoil, with a similar design, causing additional lift, then returned to the duct to be reused, thus saving energy.
0 Encompassing an enclosed secondary toroidal fuselage, between are two counter rotating propulsion units.
0 Between the upper half of the toroid and the outer saucer skin lies a circular wing.
0 Inner part of the lower skin membrane will be designed to change the airflow from high to low pressure, eliminating negative lift.
0 Vertical propulsion systems will be provided by two counter rotating assemblies, mounted within the duct.
0 Turns will be generated by increasing or decreasing the revolutions of the propulsion systems, including reverse flight.
0 Yaw and pitch will be controlled by three nozzles, mounted in a triangular pattern on the outer edge of the skin surface.
0 Air Intake/Exhaust Slot, circular opening on lower circumference to balance air mixture.
0 Horizontal flight will be accomplished by a turbine located just aft of the duct.
0 Reverse flight is accomplished from forward flight by idling the horizontal turbine, and rotating the vehicle.