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:
Oct. 30, 2012
Filed:
Jun. 24, 2009
Thomas Manfredotti, La Colle sur Loup, FR;
Paul Cranga, Marseilles, FR;
Julien Guitton, Chateauneuf-les-Martigues, FR;
Thomas Manfredotti, La Colle sur Loup, FR;
Paul Cranga, Marseilles, FR;
Julien Guitton, Chateauneuf-les-Martigues, FR;
Eurocopter, Marignane Cedex, FR;
Abstract
A blade () extending longitudinally from a root () of the blade () to a free end () of the blade (), the blade () having a resonator () incorporated therein to reduce the drag movements (F, F) of the blade (), the resonator () being provided with a solid and movable heavy element () and with resilient retaining element () secured to the heavy element () and to the blade (). Furthermore, the resonator () includes guide element () in which the heavy element () is capable of oscillating (F', F′) longitudinally, the guide element () being arranged in a longitudinal direction (D) of the blade.