A rotating assembly such as a counter-rotating propeller system or a turbofan, comprising a first rotating part (20) rotatable relative to a second part (21), the first and second parts mounted on a common axis (22), a combustion engine (23) arranged to rotate the first part, and an electric motor (24) connected to drive the second part, whereby in a first drive mode, the combustion engine rotates the first part in first direction relative to the axis while the electric motor drives the second part in a second, opposite direction relative to the axis and in a second drive mode, the combustion engine rotates the first part in the first direction and the electric motor does not drive the second part in the second, opposite direction.
DRIVE SYSTEM FOR COUNTER-ROTATING PARTS
SYSTEME D`ENTRAINEMENT POUR DES PIECES CONTRAROTATIVES
2021-03-30
Patent
Electronic Resource
English
Counter rotating operation module and Counter rotating drive mechanism including the same
European Patent Office | 2018