Helicopter with an improved vibration control device

Details Helicopter with an improved vibration control device Helicopter with an improved vibration control device

2006-05-15

2010-12-28

Eldred, J. Woodrow (Department: 3641)

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

C244S054000, C244S017110, C248S550000, C181S207000, C188S380000, C318S128000

Reexamination Certificate

active

07857255

ABSTRACT:
A helicopter having a rotor, a fuselage connected to the rotor by connecting means, and a control device for controlling vibration of the fuselage; the control device including generating means for generating signals associated with vibration of the fuselage, and actuating means for producing a force on the fuselage associated with the signals to reduce vibration; and the actuating means being carried by the connecting means.

REFERENCES:
patent: 4819182 (1989-04-01), King et al.
patent: 5231336 (1993-07-01), van Namen
patent: 5316240 (1994-05-01), Girard et al.
patent: 5810319 (1998-09-01), von Flotow et al.
patent: 0501658 (1992-09-01), None
“Helitech 91: Review” Aircraft Engineering, (Bunhill Publications Ltd., London, United Kingdom), 63(11), Nov. 1991, p. 12-14.

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