Helicopter rotor
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United States of America Patent
Stats
-
Oct 30, 2012
Grant Date -
Jul 1, 2010
app pub date -
Nov 2, 2009
filing date -
Nov 11, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotor for a helicopter, having a drive shaft rotating about a first axis; a hub angularly integral with the drive shaft about the first axis; and at least two blades projecting from the hub, on the opposite side to the first axis, and extending along respective second axes crosswise to the first axis; each blade is movable with respect to the hub and the other blades about a respective fourth axis parallel to the first axis, about the respective second axis, and about a respective third axis crosswise to the first and respective second axis; the rotor also has a number of first dampers for damping vibration associated with at least oscillation of the relative blades about the respective fourth axes; the first dampers are connected to one another and each to a relative blade; and, in a radial direction with respect to the first axis, at least one first damper is located between the first axis and the fourth axis of the relative blade.
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Cited Art Landscape
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