	US 11,840,338 B2
	Method for managing the propulsive power of an aircraft
Khaled Zarati, Moissy-Cramayel (FR); and Panagiotis Giannakakis, Moissy-Cramayel (FR)
Assigned to SAFRAN, Paris (FR)
Appl. No. 17/263,119
Filed by SAFRAN, Paris (FR)
PCT Filed Jul. 18, 2019, PCT No. PCT/EP2019/069321 § 371(c)(1), (2) Date Jan. 25, 2021, PCT Pub. No. WO2020/025332, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 1857217 (FR), filed on Aug. 1, 2018.
Prior Publication US 2021/0188455 A1, Jun. 24, 2021
Int. Cl. B64D 31/00 (2006.01); B64D 31/12 (2006.01); B64C 21/06 (2023.01); B64D 27/10 (2006.01); B64D 27/24 (2006.01); B64D 31/08 (2006.01); B64D 27/02 (2006.01)

CPC B64D 31/12 (2013.01) [B64C 21/06 (2013.01); B64D 27/10 (2013.01); B64D 27/24 (2013.01); B64D 31/08 (2013.01); B64C 2230/06 (2013.01); B64D 2027/026 (2013.01)]

11 Claims

1. A method for managing the propulsive power of an aircraft, the aircraft extending longitudinally along an axis X from the rear forwards and comprising at least two thermal lateral propulsion systems each comprising a fan, each lateral propulsion system having a fan rotation speed N2 and at least one rear propulsion system configured to ingest a boundary layer of said aircraft, the rear propulsion system comprising a fan having a fan rotation speed N3, management method wherein, during a cruise phase P4, a step of adjusting the rotation speed N3 of the rear propulsion system according to the following formula:

N₃=a*N₂

in which a is a constant.