Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 2, 2013
Patent Application Number
13466327
Date Filed
May 8, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
An airborne vehicle having a wing-body which defines a wing-body axis and appears substantially annular when viewed along the wing-body axis, the interior of the annulus defining a duct which is open at both ends. A propulsion system is provided comprising one or more pairs of propulsion devices, each pair comprising a first propulsion device mounted to the wing-body and positioned on a first side of a plane including the wing-body axis, and a second propulsion device mounted to the wing-body and positioned on a second side of the plane including the wing-body axis.
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