| 摘要 |
A fan rotor blade, wherein a vertical hub section (49) is formed on the hub side of a rotor blade front edge (41), a rearward tilted mid-span section (51) is formed so as to extend from the front end of the vertical hub section (49) to the mid-span side of the rotor blade front edge (41), a forward tilted tip section (53) is formed so as to extend from the front end of the rearward tilted mid-span section (51) to the tip end of the rotor blade front edge (41), a rearward tilted hub section (55) is formed so as to extend from the hub end of the rotor blade front edge (41) to the base end of the vertical hub section (49), and the rearward tilted hub section (55) is tilted rearward so that the front end of the rearward tilted hub section (55) is located behind the base end thereof. |
