Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bret D. Pica0
Date of Patent
January 25, 2005
0Patent Application Number
104560320
Date Filed
June 4, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A rotor system that allows an aircraft to operate as a helicopter and as an airplane is disclosed. The invention incorporates an annular airfoil attached at the tips of the rotor blades. The rotor system stops and is secured from rotation for operation at high forward speeds. The annulus acts as the primary lifting surface in airplane mode at high speed. The rotor blades incorporate leading and trailing edge flaps for control in transitional and fixed wing flight modes.
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