| 摘要 |
A turbofan for a window-type air conditioner which includes a hub, seven to eleven blades located at a predetermined separation from the hub and gradually narrowed in their width toward the hub; and a shroud attached to the blades in opposition to the hub, wherein the entire width of the turbofan is 35-45% of an outer diameter of the blades, the exit width of the turbofan is 50-60% of the entire width, the entrance width of the turbofan is 85-92% of the entire width, the hub-side inner diameter of the blades is 45-55% of the outer diameter of the blades, and the shroud-side inner diameter of the blades is 60-70% of the outer diameter of the blades.
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