Hybrid helicopter that is fast and has long range

Details Hybrid helicopter that is fast and has long range Hybrid helicopter that is fast and has long range

2009-03-24

2011-12-06

Collins, Timothy D (Department: 3644)

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

C244S00700B, C244S00700B, C244S04500R, C244S017110

Reexamination Certificate

active

08070089

ABSTRACT:
A hybrid helicopter (1) includes a central fuselage (2) defining a front end (3) and a rear end (4), the hybrid helicopter (1) having a main lift rotor (10), an additional lift surface (20), a mechanical interconnection system (40), and at least one turbine engine (61, 62) for continuously driving the main rotor (10) in rotation. Furthermore, the main rotor (10) is mechanically connected to the mechanical interconnection system (40) by rotary rotor mast (12), and the additional lift surface (20) is arranged at the rear of the hybrid helicopter (1) between the rotor mast (12) and the rear end (4) of the fuselage (2), each end zone (21′, 22′) of the wings (21, 22) of the additional lift surface (20) being provided with a vertical element (23, 24) fitted with a rudder (23′, 24′).

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French search report in corresponding FR 0801613.

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