发明名称 Helicopter rotor
摘要 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.
申请公布号 US8297549(B2) 申请公布日期 2012.10.30
申请号 US20090610930 申请日期 2009.11.02
申请人 NANNONI FABIO;NOUR PIERRE ABDEL;BALLERIO DANTE;AGUSTA S.P.A. 发明人 NANNONI FABIO;NOUR PIERRE ABDEL;BALLERIO DANTE
分类号 B64C27/82 主分类号 B64C27/82
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