Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate
2011-06-14
2011-06-14
Price, Thomas (Department: 3643)
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
Reexamination Certificate
active
07959105
ABSTRACT:
An aircraft has a streamlined structure (10) pierced by an air flow duct (20) having an axis of symmetry (AX) contained in a plane of symmetry (P) perpendicular to a longitudinal axis (AL) of the aircraft, the aircraft possessing a shrouded rotor (1) having a plurality of blades (2) arranged in the air flow duct (20). The aircraft is also fitted with blower elements (40) suitable for propelling compressed air towards a first injection zone (44) opening out in a first front inject (22′) of a first lip (22) of the periphery (21) of the duct (20) and towards a second injection zone (45) opening out in a second front portion (24′) of a second lip (22) of the periphery (21) of the duct (20).
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French Search Report corresponding to FR0707834 filed Nov. 8, 2007.
Brooks & Kushman P.C.
Eurocopter
Price Thomas
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