Patent ID: 8413932
Filing Date: 2013-04-09
Classification: B64C,F04D

Abstract:
1. An airflow augmentation system for a ducted fan, wherein said ducted fan is comprised of a duct and a propeller, the airflow augmentation system comprising: an inner cowling member, wherein said inner cowling member is mechanically mounted to an inside surface of a trailing edge of said duct via a plurality of inner cowling stand-offs, wherein said inner cowling member is mounted within the downwash of said propeller, and wherein a trailing edge of said inner cowling member extends below said trailing edge of said duct; and an outer cowling member, wherein said outer cowling member is mechanically mounted to an outside surface of said trailing edge of said duct via a plurality of outer cowling stand-offs, and wherein a trailing edge of said outer cowling member extends below said trailing edge of said duct, further comprising a plurality of actuators, wherein each of said plurality of actuators is mounted between said trailing edge of said inner cowling member and said trailing edge of said outer cowling member.