DEVICE FOR ASSISTING A SOLID PROPERGOL PROPULSIVE SYSTEM OF A MONOMOTING HELICOPTER, MONOMOTOR HELICOPTER COMPRISING SUCH DEVICE AND CORRESPONDING METHOD

摘要

The invention relates to a device for assisting a propulsion system of a single-engined helicopter comprising a motor connected to a transmission transmission box (15) adapted to rotate a rotor of the helicopter, characterized in that it comprises: a turbine (18) rotational drive of an output shaft (34) mechanically connected to said transmission box (15); and means (16) for supplying said pressurized fluid drive turbine (18) to enable said turbine (18) to transform the energy of said pressurized fluid into rotational mechanical energy of said shaft (34) Release.