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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.:

US 9517828 B1

PDFFull Text
Expired
Date of Patent:
Dec. 13, 2016

Filed:

Jul. 29, 2014

Aircraft fuselage frame made of laminated composite materials and including reinforcement curved zones of varying value of radius of curvature

Applicant:

Airbus Helicopters, Marignane, FR;

Inventor:

Pierre Prud'Homme-Lacroix, Vitrolles, FR;

Assignee:

Airbus Helicopters, Marignane, FR;

Attorney:

Brooks Kushman P.C.

Primary Examiner:

Christopher P Ellis

Int. Cl.
CPC ...
B64C 1/00 (2006.01); B64C 1/06 (2006.01);
U.S. Cl.
CPC ...
B64C 1/061 (2013.01); B64C 2001/0072 (2013.01); Y02T 50/433 (2013.01);
Abstract

A structural frame for a fuselage of an aircraft. The frame is formed from a composite material profile comprising curved zones () that interconnect together zones to be joined of the frame, having respective orientations. Each of the curved zones () of the frame is geometrically defined by at least one radius of curvature. The value of the radius of curvature (R), geometrically defining a curved zone () of the frame varies as a function of the curvilinear abscissa of each points on the inside periphery of the inside flange from any point of the curved zone relative to a given reference point (P).

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Prud'Homme-Lacroix, Pierre. (2016). Aircraft fuselage frame made of laminated composite materials and including reinforcement curved zones of varying value of radius of curvature (U.S. Patent No. 9517828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9517828

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