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:
May. 11, 2021
Filed:
Jun. 04, 2015
Applicant:
Airbus Helicopters, Marignane, FR;
Inventors:
Debbie Leusink, Aix en Provence, FR;
David Alfano, Aix en Provence, FR;
Assignee:
AIRBUS HELICOPTERS, Marignane, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 5/06 (2006.01); B64C 23/00 (2006.01); B64C 27/04 (2006.01); B64C 5/02 (2006.01); B64C 27/06 (2006.01); B64C 27/82 (2006.01);
U.S. Cl.
CPC ...
B64C 5/06 (2013.01); B64C 5/02 (2013.01); B64C 23/00 (2013.01); B64C 27/04 (2013.01); B64C 27/06 (2013.01); B64C 27/82 (2013.01);
Abstract
A tail boom having a structure and a protuberance, the protuberance being secure with the structure. In each section of the tail boom, the protuberance extends in elevation over an extension height (Hext) and it extends laterally over an extension thickness (EPext), the extension height (Hext) lying in the range 0.05 times the maximum thickness (EPmax) of the structure, included, to 0.5 times the maximum thickness (EPmax), included, of the section, the extension thickness (EPext) lying in the range 0 to 0.4 times the maximum thickness (EPmax), included, of the section.