Patent ID: 8070089
Filing Date: 2011-12-06
Classification: B64C

Abstract:
1. A hybrid helicopter comprising a central fuselage defining a front end and a rear end, said hybrid helicopter comprising: a main lift rotor provided with a plurality of blades, arranged above said fuselage; an additional lift surface provided with first and second wings extending on either side of said fuselage from respective root zones to respective wing tips, each wing being provided proximate its wing tip with a propeller, the main lift rotor being arranged above the additional lift surface; a mechanical interconnection system between said main rotor and said propellers; and at least one turbine engine for continuously driving said main rotor and said propellers in rotation by meshing with said mechanical system; wherein said main rotor is mechanically connected to the mechanical interconnection system via a rotary rotor mast, said additional lift surface is arranged at the rear of the hybrid helicopter between said rotor mast and said rear end of the fuselage, and said hybrid helicopter is provided with a stabilizer surface arranged at the front end of said fuselage.