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Helicopter Rotor

  • US 20100163668A1
  • Filed: 11/02/2009
  • Published: 07/01/2010
  • Est. Priority Date: 11/11/2008
  • Status: Active Grant
First Claim
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1. A rotor for a helicopter, comprising:

  • a drive shaft rotating about a first axis;

    a hub angularly integral with said drive shaft about said first axis;

    at least two blades projecting from said hub, on the opposite side to said first axis, and extending along respective second axes crosswise to said first axis;

    each said blade being movable with respect to said hub and the other said blades about a respective fourth axis parallel to said first axis, about the respective said second axis, and about a respective third axis crosswise to said first and respective second axis; and

    a number of first dampers for damping vibration associated with at least oscillation of the relative said blades about the respective said fourth axes;

    said first dampers being connected to one another and each to a relative blade;

    characterized in that, in a radial direction with respect to said first axis, at least one said first damper is located between said first axis and said fourth axis of the relative blade.

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