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:
Mar. 23, 2021
Filed:
Sep. 02, 2016
Applicant:
Safran Helicopter Engines, Bordes, FR;
Inventors:
Eric Pierre Seinturier, Moissy-Cramayel, FR;
Romain Thiriet, Moissy-Cramayel, FR;
Fabien Mercier-Calvairac, Moissy-Cramayel, FR;
Assignee:
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/06 (2006.01); B64C 27/00 (2006.01); B64C 15/14 (2006.01); B64C 29/00 (2006.01);
U.S. Cl.
CPC ...
B64C 27/006 (2013.01); B64C 15/14 (2013.01); B64C 27/06 (2013.01); B64C 29/0041 (2013.01);
Abstract
The invention relates to a helicopter including a structural framework, at least one main rotor for lift and propulsion integral with said structural framework and a drive train for driving said main rotor including a power transmission gearbox and at least one main engine, wherein it further includes a plurality of extra booster power units fixed to said structural framework and configured so as to be able to supply extra lift of the helicopter in case of failure of the helicopter's drive train.