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:
Jun. 03, 2014
Filed:
Jul. 21, 2009
Applicants:
Jean-michel Saucray, Villeneuve les Bouloc, FR;
Philippe Chareyre, La Salvetat Saint Gilles, FR;
Inventors:
Jean-Michel Saucray, Villeneuve les Bouloc, FR;
Philippe Chareyre, La Salvetat Saint Gilles, FR;
Assignee:
Airbus Operations, Toulouse, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aircraft including at least one engine having counter-rotating rotors, the engine or at least one of the engines having imbalances associated with at least one ellipse. The aircraft includes at least one vibration damper attached in an arrangement such that, at a given engine speed and for at least one given common direction of a large axis of the ellipse or at least one of the ellipses, a speed related to the two ends of the damper is higher than for any other arrangement of the damper.