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    • 2. 发明公开
    • Helicopter rotor
    • Hubschrauberrotor
    • EP2223854A1
    • 2010-09-01
    • EP09425077.6
    • 2009-02-25
    • Agusta S.p.A.
    • Nannoni, FabioBallerio, DanteAbdel Nour, PierreColombo, Attilio
    • B64C27/35B64C27/51
    • B64C27/32B64C27/35B64C27/51B64C27/635
    • A rotor (3, 3') for a helicopter (1), having a drive shaft (10) rotating about a first axis (A); a hub (11) angularly integral with the drive shaft (10) about the first axis (A); and at least two blades (12) projecting from the hub (11) on opposite sides of the first axis (A) and elongated along respective second axes (B) crosswise to the first axis (A); each blade (12) is movable with respect to the hub (11) and to the other blade (12) about a respective third axis (C) crosswise to the respective second axis (B); the rotor (3, 3') has at least two dampers (40) for damping oscillation of respective blades (12) about the respective third axes (C), and which have respective first portions (41) movable integrally with the respective blades (12) about the respective third axes (C); and the dampers (40) have respective second portions (42; 46a, 46b) connected elastically to the respective first portions (41) and functionally to each other.
    • 一种用于直升机(1)的转子(3,3'),具有围绕第一轴线(A)旋转的驱动轴(10); 围绕第一轴线(A)与驱动轴(10)成一体的轮毂(11); 以及至少两个叶片(12),其从所述轮毂(11)在所述第一轴线(A)的相对侧上突出并沿着与所述第一轴线(A)交叉的相应的第二轴线(B)延伸; 每个叶片(12)可相对于轮毂(11)和与另一个叶片(12)相对于与相应的第二轴线(B)交叉的相应的第三轴线(C)移动; 转子(3,3')具有至少两个阻尼器(40),用于阻止相应的叶片(12)围绕相应的第三轴线(C)的振动,并且具有相应的第一部分(41)可与各个叶片 12)关于相应的第三轴线(C); 并且所述阻尼器(40)具有彼此弹性地连接到相应的第一部分(41)并且在功能上彼此连接的相应的第二部分(42; 46a,46b)。
    • 3. 发明公开
    • Helicopter rotor
    • 直升机旋翼
    • EP2184229A1
    • 2010-05-12
    • EP08425722.9
    • 2008-11-11
    • Agusta S.p.A.
    • Nannoni, FabioAbdel Nour, PierreBallerio, Dante
    • B64C27/51
    • B64C27/82B64C27/35B64C27/51
    • A rotor (4,4') for a helicopter (1), having a drive shaft (10) rotating about a first axis (B); a hub (11) angularly integral with the drive shaft about the first axis (B); and at least two blades (12) extending along respective second axes (C) crosswise to the first axis (B); each blade (12) is movable with respect to the hub (11) and the other blades (12) about a respective fourth axis (E) parallel to the first axis (B), about the respective second axis (C), and about a respective third axis (D) crosswise to the first and respective second axis (B,C); a number of first dampers (25,25') for damping vibration associated with at least oscillation of the relative blades (12) about the respective fourth axes (E); the first dampers (25,25') are connected to one another and each to a relative blade (12); and, in a radial direction with respect to the first axis (B), at least one first damper (25,25') is located between the first axis (B) and the fourth axis (E) of the relative blade (12).
    • 1。一种用于直升机(1)的转子(4,4'),具有围绕第一轴线(B)旋转的驱动轴(10); 毂(11),所述毂(11)围绕所述第一轴线(B)与所述驱动轴成角度地一体; 和至少两个沿着与第一轴线(B)交叉的第二轴线(C)延伸的刀片(12); 每个叶片12可围绕相应的第二轴线C围绕平行于第一轴线B的相应第四轴线E相对于轮毂11和其他叶片12移动, 与所述第一和各自的第二轴线(B,C)交叉的相应的第三轴线(D); 多个第一阻尼器(25,25'),用于阻尼至少与相关叶片(12)围绕相应的第四轴线(E)振动相关的振动; 第一阻尼器(25,25')彼此连接并且各自与相关的叶片(12)连接; 并且在相对于第一轴线(B)的径向方向上,至少一个第一阻尼器(25,25')位于相关叶片(12)的第一轴线(B)和第四轴线(E)之间, 。