Patent ID: 11920608
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 8:
9. The axial fan of claim 1, wherein in a case in which a virtual straight line connecting the front edge portion and the rear edge portion is defined as a chord line and a midpoint of the chord line is defined as a chord midpoint, in a shape of each of the blades formed by a revolved projection onto a meridian plane including the rotation shaft and the blades, a first chord midpoint of a first chord line on identical radii of an outermost periphery of each of the blades is further downstream in an airflow generated by rotation of the blades than a second chord midpoint of a second chord line on identical radii of an innermost periphery of each of the blades in an axial direction of the rotation shaft.