Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Patent
1998-11-30
2000-09-26
Swiatek, Robert P.
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
244232, B64C 1300
Patent
active
061232912
ABSTRACT:
A device for controlling an aerodynamic surface (E) for balancing in terms of pitch a helicopter (He) including a main rotor (R1), the fore-and-aft cyclic pitch of which is controllable by a pitch-control channel (3A) as a function of a pitch control command. According to the invention, the device includes a unit (1A) associated with the control channel (3A) for controlling the aerodynamic surface (E) in such a way that it generates lift that represents part of a command dependent on the pitch-control command, which part can be executed by the aerodynamic surface (E), and the combined pitching action of the aerodynamic surface (E) and of the main rotor (R1) represents the pitch-control command.
REFERENCES:
patent: 2680579 (1954-06-01), Hohenemser
patent: 2941792 (1960-06-01), Stutz
patent: 3385537 (1968-05-01), Lichten et al.
patent: 4304375 (1981-12-01), Builta et al.
Bob Kefford: "The UH-60A Black Hawk: A World-Wide Force Multiplier" Aircraft Engineering., vol. 54, No. 10, Oct. 1982, pp. 9-15, XP002074048 London, GB.
Delisle Valery Lionel
Dequin Andre-Michel
Eurocopter
Swiatek Robert P.
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