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:
Sep. 12, 2017
Filed:
Dec. 18, 2015
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Ole Wulff, Ansonia, CT (US);
Derek Geiger, Wilton, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/00 (2006.01); B64C 27/82 (2006.01); G05D 1/08 (2006.01); B64C 27/10 (2006.01);
U.S. Cl.
CPC ...
B64C 27/10 (2013.01); B64C 27/008 (2013.01); B64C 27/82 (2013.01); G05D 1/0858 (2013.01); B64C 2027/8236 (2013.01);
Abstract
Lift offset management and control systems are provided for a rotorcraft including main rotor and auxiliary propulsor assemblies, the main rotor assembly including first and second rotors disposed to oppositely rotate relative to an airframe about a same rotational axis, and sensors disposed to generate hub moment, tip clearance and lift offset data of the main rotor assembly.