| 摘要 |
PROBLEM TO BE SOLVED: To facilitate weight saving of an aircraft engine, while balance correction of an aircraft engine fan 1 can be suitably and reliably performed. SOLUTION: A blade body 31, a platform 33, a shank 35 and a dovetail 37 are formed of composite material. A sheath 39 made of metal such as a titanium alloy is integrally provided on a leading edge 31a side of the blade body 31, and weight mounting parts 47 or a thick wall part 55 is formed at an end side of the sheath 39. COPYRIGHT: (C)2011,JPO&INPIT |
