TURBOFAN ENGINE

摘要

A turbofan engine, comprising a fan 1-stage moving blade for taking in air and a spinner rotatingly driving the fan 1-stage moving blade. The spinner comprises a spiral vane spirally extending to the radial other side, sucking air from the front of the spinner, and supplying it to the fan 1-stage moving blade. Also, the fan 1-stage moving blade and the spinner are integrally connected to each other, and the spiral vane and the fan 1-stage moving blade are so formed that their surfaces can be smoothly joined to each other.