The invention relates to a rotor (10) for a turbofan engine (100), comprising: a plurality of rotor blades (20), each rotor blade having a blade body (22) having a root section (24) connected to a drive shaft (22) to receive a main drive load to provide a main load section and a tip section (26) located at an opposite end of the blade body and arranged circumferentially to form the rotor; a rotationally symmetrical load-bearing element (30) in force-transmitting contact with the plurality of blade bodies in a load-bearing section (28) between the root section and the tip section to provide a secondary load path (SLP) for at least a portion of a reaction load (RL) of the blade bodies, the blade body of the rotor blade is made of a composite material comprising a polymer matrix and continuous reinforcing fibers embedded in the polymer matrix, where the load carrying element (30) is made of a composite material comprising a polymer matrix and chopped reinforcing fibers embedded in the polymer matrix.
本发明涉及用于涡轮风扇发动机(100)的转子(10),包括:多个转子叶片(20),每个转子叶片具有叶片主体(22),叶片主体具有根段(24)和尖段(26),根段(22)连接到驱动轴(22)来接收主驱动载荷以提供主载荷段,尖段(26)位于叶片主体的对端并且被周向布置来形成转子;旋转对称的载荷承载元件(30),在位于根段和尖段之间的载荷承载段(28)中与多个叶片主体传力接触,以提供用于叶片主体的反作用载荷(RL)的至少一部分的辅载荷路径(SLP),其中,转子叶片的叶片主体由包括聚合物基质和嵌入在聚合物基质中的连续增强纤维的复合材料制成,其中,载荷承载元件(30)由包括聚合物基质和嵌入在聚合物基质中的短切增强纤维的复合材料制成。
Rotor for turbofan engine
用于涡轮风扇发动机的转子
2024-06-11
Patent
Electronic Resource
Chinese
Springer Verlag | 2021
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