Patent ID: 11933315
Assignee: SANYO DENKI CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 1:
2. The axial fan according to claim 1, wherein
each of the plurality of blades rotates in a rotation direction about the air-blowing direction,
each of the plurality of blades extends from upstream to downstream in the rotation direction,
a rear edge portion of each of the plurality of blades in the rotation direction branches at a turning point into an inner rear edge portion located on an inner side in the radial direction and an outer rear edge portion located on an outer side in the radial direction,
the inner rear edge portion inclines downstream in the air-blowing direction in going from inward to outward in the radial direction, and
the outer rear edge portion inclines downstream in the air-blowing direction in going from outward to inward in the radial direction.