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:
Nov. 11, 2025
Filed:
Feb. 14, 2024
Applicant:
Airbus Helicopters, Marignane, FR;
Inventors:
Bernard Krier, Carry-Le-Rouet, FR;
Ivan Chassagne, Franqueville-St-Pierre, FR;
Assignee:
AIRBUS HELICOPTERS, Marignane, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 31/04 (2006.01);
U.S. Cl.
CPC ...
B64D 31/04 (2013.01);
Abstract
A method for controlling an aircraft having at least two engines burning fuel and a transmission system connected to a rotary wing, each engine having a power shaft connected to the transmission system. An energy-saving phase comprises at least one energy-saving period comprising controlling, at an active rating, with a control system, one active engine from the at least two engines, and using the control system to stop or control, at an inactive rating, each inactive engine from the at least two engines that is not the active engine.