Propeller for an aircraft turbomachine, the propeller having:-a hub (50) extending around a first axis and comprising openings (50a) distributed around the first axis, each of said openings (50a) having a substantially radial orientation with respect to the first axis and extending through the hub, -a system (34) for controlling the angular setting of the vanes (10) mounted in each of the openings (50a), and-bearings (46, 48) for guiding the control system (34), the bearings being mounted in each of the openings (50a), said guide bearings (46, 48) comprising two guide bearings (46, 48), the bearings (46, 48) being arranged between the two guide bearings (46, 48). One of the two guide bearings comprises two annular angular contact coaxial ball rows (70, 72) having different diameters (D2, D3).
一种用于飞行器涡轮机的螺旋桨,该螺旋桨具有:‑毂部(50),毂部围绕第一轴线延伸并且包括围绕第一轴线分布的开口(50a),所述开口(50a)中的每一个开口相对于第一轴线具有大致径向的定向并且延伸穿过毂部,‑用于对轮叶(10)的角度设置进行控制的系统(34),该系统被安装在开口(50a)中的每一个开口中,以及‑轴承(46,48),轴承用于引导控制系统(34),轴承被安装在开口(50a)中的每一个开口中,所述引导轴承(46,48)包括两个引导轴承(46,48),两个引导轴承中的一个引导轴承包括具有不同直径(D2,D3)的两个环形角接触同轴滚珠排(70,72)。
Propeller for aircraft turbomachine
用于飞行器涡轮机的螺旋桨
2024-04-26
Patent
Elektronische Ressource
Chinesisch