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:
Dec. 29, 2020
Filed:
Nov. 20, 2018
Applicant:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Inventors:
Eric Albert Sinusas, Southlake, TX (US);
Thomas C. Parham, Jr., Colleyville, TX (US);
Albert Gerard Brand, North Richland Hills, TX (US);
Assignee:
Textron Innovations Inc., Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/06 (2006.01); F04D 29/32 (2006.01); B64C 27/20 (2006.01); B64C 27/46 (2006.01); B64C 27/00 (2006.01); B64C 27/51 (2006.01); B64C 27/473 (2006.01);
U.S. Cl.
CPC ...
B64C 27/20 (2013.01); B64C 27/001 (2013.01); B64C 27/463 (2013.01); B64C 27/473 (2013.01); B64C 27/51 (2013.01); F04D 29/326 (2013.01); F05D 2240/307 (2013.01);
Abstract
A rotor system for a rotorcraft has a hub rotatable about an axis and a plurality of blades coupled to the hub for rotation therewith about the axis. Each blade is capable of rotation about a pitch axis relative to the hub, and a ring couples adjacent blades to each other.