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:
May. 29, 2018
Filed:
Mar. 20, 2015
Safran Helicopter Engines, Bordes, FR;
Stéphane Beddok, Pau, FR;
Jean-Michel Bazet, Gelos, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Abstract
A transmission assembly for an aircraft, and a helicopter including such an assembly for controlling independently the speed of rotation of an engine and of a torque receiver. According to the invention, the assembly comprises a first inlet shaft () configured to receive torque from a first engine (), an outlet shaft () configured to transmit torque to a torque receiver (), a first transmission member () having at least two degrees of freedom and comprising first, second, and third movable portions, a first reversible electrical regulator machine (), and a first reversible electrical balancing machine (), wherein the inlet shaft () is coupled to the first movable portion, the outlet shaft () is coupled to the second movable portion, the first electrical regulator machine () is coupled to the third movable portion, and the first electrical balancing machine () is coupled in series with the inlet shaft or the outlet shaft ().