The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2018
Filed:
May. 20, 2015
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Mark W. Scott, Bethany, CT (US);
Igor Cherepinsky, Sandy Hook, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/22 (2006.01); B64C 29/02 (2006.01); B64C 5/08 (2006.01); B64C 9/00 (2006.01);
U.S. Cl.
CPC ...
B64C 29/02 (2013.01); B64C 5/08 (2013.01); B64C 9/00 (2013.01);
Abstract
A system for a tail-sitter aircraft includes a fuselage having one or more propellers, a wing structure coupled to the fuselage, and a drag rudder assembly coupled to the wing structure, the drag rudder assembly including a first planar member that is coupled to a second planar member. The drag rudder assembly is configured to produce a stabilizing force on the wing structure during higher speeds of the aircraft in tandem rotor flight.