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:
Mar. 03, 2020
Filed:
Sep. 28, 2016
Applicant:
Airbus Helicopters, Marignane, FR;
Inventors:
David Alfano, Aix en Provence, FR;
Damien Desvigne, Aix en Provence, FR;
Raphael Fukari, Le Rove, FR;
Assignee:
AIRBUS HELICOPTERS, Marignane, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/32 (2006.01); B64C 7/00 (2006.01); B64C 11/02 (2006.01); B64C 27/00 (2006.01); B64C 27/06 (2006.01);
U.S. Cl.
CPC ...
B64C 27/32 (2013.01); B64C 7/00 (2013.01); B64C 11/02 (2013.01); B64C 27/001 (2013.01); B64C 27/06 (2013.01); B64C 2027/003 (2013.01);
Abstract
A head for a rotor of a rotorcraft, the head comprising a cap extending radially from an axis of rotation in elevation towards a periphery and extending in azimuth over 360 degrees, the cap extending in thickness between an inside face that is to face a hub of the rotor and an outside face overlying the inside face, the periphery being crenellated to define a succession of crenellations and of notches, each notch allowing a blade of the rotor to perform flapping motion.