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:
Aug. 07, 2018
Filed:
Nov. 12, 2015
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 7/00 (2006.01); B64C 27/32 (2006.01); B64C 27/00 (2006.01); B64C 27/04 (2006.01); B64C 11/14 (2006.01); B64C 11/02 (2006.01);
U.S. Cl.
CPC ...
B64C 27/32 (2013.01); B64C 27/001 (2013.01); B64C 27/04 (2013.01); B64C 7/00 (2013.01); B64C 11/02 (2013.01); B64C 11/14 (2013.01); B64C 2027/003 (2013.01);
Abstract
A dome for a rotor of a rotorcraft, the dome comprising a cap extending radially from an axis of rotation in elevation towards a periphery and in azimuth over 360 degrees, the cap extending in thickness from a bottom face for facing a hub of the rotor towards a top face above the bottom face. At least one of the top and bottom faces is an undulating face that undulates at least in azimuth between the periphery and the axis of rotation in elevation, by including in azimuth along at least one internal circle a succession of bulges and of recesses.