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. 15, 2015
Filed:
Jul. 30, 2012
Applicants:
Claude G. Matalanis, East Hartford, CT (US);
Brian E. Wake, South Glastonbury, CT (US);
Inventors:
Claude G. Matalanis, East Hartford, CT (US);
Brian E. Wake, South Glastonbury, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 7/00 (2006.01); B64C 27/10 (2006.01); B64C 23/00 (2006.01);
U.S. Cl.
CPC ...
B64C 27/10 (2013.01); B64C 7/00 (2013.01); B64C 23/00 (2013.01);
Abstract
A rotor hub fairing system for use in a counter-rotating, coaxial rotary wing aircraft is provided including an upper hub fairing defined about an axis. A lower hub fairing is similarly defined about the axis. An airfoil shaped shaft fairing is disposed between the upper hub fairing and the lower hub fairing. The airfoil shaped shaft fairing has a thickness to chord (t/c) ratio in the range of about 20% and about 45%.