Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate
2007-12-11
2007-12-11
Swiatek, Rob (Department: 3643)
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
C244S017250, C244S056000
Reexamination Certificate
active
10518477
ABSTRACT:
Vertical take-off aircraft (1) has first (4) and second (17) lifting mechanism (eg helicopter-type rotors, jets, turboprops) arranged in tandem, either above or outboard of ends (2, 3). Lifting mechanisms (4, 17) are independently tiltable, in multiple directions, by hydraulic rams (11, 13, 14, 16, 24, 26, 27, 29) to manoeuvre aircraft (1). In particular first lifting mechanism (4) may be tilted in the opposite transverse direction to second lifting mechanism (17) so as to alter direction of flight. First lifting mechanism (4) may be tilted by further hydraulic rams so that its rotor lies in a vertical plane for forward flight of aircraft (1).
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