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:
Jul. 16, 2019
Filed:
Sep. 26, 2016
Aircraft comprising a propulsion assembly including a pair of propellers at the rear of the fuselage
Safran Aircraft Engines, Paris, FR;
Pierre-Alain Jean Philippe Reigner, Moissy-Cramayel, FR;
Antoine Jean-Philippe Beaujard, Moissy-Cramayel, FR;
Augustin Marc Michel Curlier, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The present invention relates to an aircraft comprising a fuselage (), a propulsion unit () at the rear tip of the fuselage and at least two engines () each driving an engine shaft (), the propulsion unit including at least one propeller () driven mechanically by the engine shafts (), characterized in that the propulsion unit () includes two propellers (), each of the propellers being driven by a propeller shaft (), the two propeller shafts being driven by the engine shafts () via a first differential epicyclic gear train (). Specifically, the input of the first differential gear train () is connected to the output of a second differential epicyclic gear train (), the second differential gear train () including two inputs (), each of said two inputs being connected mechanically to one of said engine shafts ().