本发明涉及一种涡轮机模块,该涡轮机模块包括:‑风扇(3),风扇旨在由风扇轴(32)驱动旋转,风扇包括多个可变桨距轮叶(30),以及‑桨距改变系统,桨距改变系统包括控制装置(52),控制装置经由连接机构(51)连接到轮叶,控制装置包括与风扇轴(32)成一体的固定主体以及连接到连接机构(51)的可移动主体(54),桨距改变系统包括环形部件(70),环形部件具有与可移动主体成一体的区段,环形部件为大致钟形形状并且至少部分地从固定主体径向向外延伸。根据本发明,模块包括环形护罩(80),环形护罩可释放地附接到环形部件(70)并且包括用于附接连接机构(51)的装置(81)。
The invention relates to a turbine engine module, comprising: - a fan (3) intended to be rotated by a fan shaft (32) and comprising a plurality of variable-pitch blades (30); and - a pitch change system comprising a control means (52) connected to the blades via a linking mechanism (51), the control means including a stationary body rigidly connected to the fan shaft (32) and a movable body (54) connected to the linking mechanism (51), the pitch change system comprising an annular part (70) which has one portion rigidly connected to the movable body, which is generally bell-shaped and which extends at least partially radially outwards from the stationary body. According to the invention, the module comprises an annular shroud (80) removably attached to the annular part (70) and comprising means (81) for fastening to the linking mechanism (51).
配备有可变桨距轮叶和环形界面护罩的涡轮机模块
2024-08-02
Patent
Electronic Resource
Chinese