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. 16, 2021
Filed:
Oct. 05, 2016
Safran Aircraft Engines, Paris, FR;
Laurent Soulat, Moissy-Cramayel, FR;
Kevin Morgane Lemarchand, Moissy-Cramayel, FR;
Tewfik Boudebiza, Moissy-Cramayel, FR;
Gilles Alain Charier, Moissy-Cramayel, FR;
Nathalie Nowakowski, Moissy-Cramayel, FR;
Augustin Marc Michel Curlier, Moissy-Cramayel, FR;
Adrien Pierre Jean Pertat, Moissy-Cramayel, FR;
Pierre-Alain Jean Philippe Reigner, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The present invention relates to a powerplant of an aircraft including at least one twin-spool gas generator of longitudinal axis (XX), at least one main fan arranged upstream of the gas generator on the longitudinal axis (XX) and driven in rotation by the gas generator, the main fan being shrouded with a main fan housing; and at least one auxiliary fan with axis (XY, XY') offset relative to the longitudinal axis (XX) and driven by the gas generator, the auxiliary fan being shrouded with an auxiliary fan housing, the gas generator including at least one low-pressure compressor and a low-pressure turbine connected by a low-pressure shaft, the low-pressure turbine driving in rotation the main fan and the auxiliary fan via at least one power transmission system including a differential gear system incorporating a bevel gear.