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:
Sep. 11, 2012
Filed:
Sep. 30, 2009
Ignacio José Márquez López, Madrid, ES;
José Cuenca Rincón, Madrid, ES;
Francisco Javier Chamorro Alonso, Madrid, ES;
Pedro Nogueroles Viñes, Madrid, ES;
Ignacio José Márquez López, Madrid, ES;
José Cuenca Rincón, Madrid, ES;
Francisco Javier Chamorro Alonso, Madrid, ES;
Pedro Nogueroles Viñes, Madrid, ES;
Other;
Abstract
The invention relates to a reinforcing frame () of the fuselage () of an aircraft, said fuselage () comprising a skin () and stringers (), the mentioned frame () comprising a structural member () and a closed, internally hollow honeycomb member (), the structural member () comprising a lower base () which is arranged on the inner face of the skin () of the fuselage (), and through which the stringers () connecting the frames () to the rest of the structure of the fuselage () pass, and upper reinforcing members () on which the mentioned honeycomb members () are arranged, such that the honeycomb members () increase the inertia and the stiffness of the frame () without adding weight thereto, the frame () having high stiffness in the transverse direction, in addition to being intrinsically stable to local buckling.