Patent ID: 11955876
Assignee: MIDEA WELLING MOTOR TECHNOLOGY (SHANGHAI) CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H | IPC H

Claim 12:
13. The fan according to claim 12, wherein:
the front edge comprises a second inner end point connected to the cover plate and a second outer end point away from the cover plate; along a rotation direction of the impeller, the second outer end point is located at the front of the second inner end point; and in a direction from the air outlet to the air inlet, the second inner end point is located below the second outer end point, and the second outer end point is located at an end of the cover plate facing the air inlet and below the air inlet, and
the rear edge comprises a third inner end point connected to the cover plate and a third outer end point away from the cover plate; the third inner end point is located on a circumferential line of the impeller facing one end of the diffuser; and in a direction from the air outlet to the air inlet, the third outer end point is located above the third inner end point.