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:
Nov. 03, 2020
Filed:
Sep. 30, 2015
Sikorsky Aircraft Corporation, Stratford, CT (US);
David H. Hunter, Cheshire, CT (US);
Justin Thomas, New Haven, CT (US);
Robert D. Beatty, Stratford, CT (US);
Nicholas Charles Tuozzo, Hamden, CT (US);
Thomas Alan Egolf, Stratford, CT (US);
Peter F. Lorber, Southbury, CT (US);
Robert C. Moffitt, Seymour, CT (US);
Shawn Westfall, Stratford, CT (US);
Sikorsky Aircraft Corporation, Stratford, CT (US);
Abstract
A main rotor blade assembly for a rotary wing aircraft is provided including a main rotor blade root region, a main rotor blade inboard region arranged outboard of said main rotor blade root region, a main rotor blade main region arranged outboard of said main rotor blade inboard region, and a main rotor blade tip region arranged outboard of said main rotor blade main region. At least one of chord, twist, sweep, airfoil shape, and thickness/chord of the main rotor blade assembly has been optimized to achieve balanced high speed forward flight and hover relative to both efficiency and high thrust capability.