Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jinru Wu0
Jianhui Hong0
Date of Patent
February 19, 2013
0Patent Application Number
125466560
Date Filed
August 24, 2009
0Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
A rotor for use on an aircraft has a plurality (N) of rotor blades mounted on a plurality (N) of concentric masts. Each of the rotor blades has a rounded leading edge and a tapered trailing edge. The plurality (N) of concentric masts each operably mount one of the plurality of rotor blades at N different elevations. A locking element selectively locks or unlocks the concentric masts together in a plane of rotation, enabling the angle between any two rotor blades to be variable from 0-360 degrees during flight. A feathering hinge is operably attached to each blade for changing the pitch of each blade with respect to the plane of rotation as controlled by a pitch control mechanism.
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