B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/15
B64C 27/48 (2006.01) B64C 27/00 (2006.01)
Patent
CA 1102773
- 1 - Abstract: A helicopter having a multiblade main rotor lift unit includes a plurality of pendulus mass units mounted to oscillate in the plane of the rotor. The mass units are connected to a rotatable shaft which passes through a blade grip for each blade. Vibrations generated in the plane of the rotor system are damped by the oscillating pendulums which are tuned to minimize the vibrations in the lift unit.
335255
Broekhuizen Willem
Gaffey Troy M.
Joglekar Mukund M.
Neathery William D.
Kirby Eades Gale Baker
Textron Inc.
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