The invention relates to a fan module (1) with variable pitch blades for a propulsion unit having a longitudinal axis (X), comprising:-a rotating housing (3) carrying blades (5); -a pitch change system (22) comprising a control device (23) comprising an annular actuator having a fixed body (25) mounted to the rotating housing and a body (27) translatable relative to the fixed body along a longitudinal axis, and a connection mechanism (24) comprising a synchronizing ring (34) coupled to the moving body, a synchronizing ring connected to the blades (5) and configured to translate along the longitudinal axis (X) by the moving body to vary the pitch of the blades; and-a feathering device comprising a flight weight (43) coupled to the ring by a connecting rod, the end of which comprises a ball joint (62, 63).
本发明涉及一种用于具有纵向轴线(X)的推进单元的、具有可变桨距叶片的风扇模块(1),该风扇模块包括:‑旋转壳体(3),该旋转壳体承载叶片(5);‑桨距改变系统(22),该桨距改变系统包括控制装置(23)和连接机构(24),该控制装置包括环形致动器,该环形致动器具有安装到旋转壳体上的固定主体(25)和能够沿着纵向轴线相对于固定主体平移的主体(27),该连接机构包括联接到移动主体的同步环(34),该同步环连接到叶片(5)并被构造成通过移动主体沿着纵向轴线(X)平移,以改变叶片的桨距;以及‑顺桨装置,该顺桨装置包括飞行重块(43),飞行重块通过连接杆联接到环,连接杆的端部包括球窝接头(62,63)。
Fan module with variable pitch blades
具有可变桨距叶片的风扇模块
2024-03-26
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F02K JET-PROPULSION PLANTS , Strahltriebwerke / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS |