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. 29, 2022
Filed:
Apr. 27, 2020
Airbus Helicopters, Marignane, FR;
Alexandre Madeira, Aix en Provence, FR;
Olivier Honnorat, Aix en Provence, FR;
AIRBUS HELICOPTERS, Marignane, FR;
Abstract
A rotorcraft and to a regulation method for regulating a power plant of a rotorcraft, the power plant having two engine units and a main gearbox, the two engine units being suitable for mechanically driving the main gearbox in order to drive an outlet main shaft of the main gearbox in rotation, the outlet main shaft being constrained to rotate with a main rotor of the rotorcraft, the two engine units including a first engine unit including at least one main engine. In accordance with the invention, such a regulation method includes at least one regulation step consisting in regulating a speed of rotation of the at least one main engine by progressively reducing a current setpoint by an increment i in percentage of the current setpoint per second.