Importance

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Abstract

A lifting fan for hovercraft of the present disclosure comprises an upper shroud that is higher in its center and lower on its outer side, an air inlet part formed in the center of the upper shroud, a lower shroud that is higher in its center and lower on its outer side, a rotating shaft coupled to the center of the lower shroud, a plurality of blowing blades formed between the upper shroud and the lower shroud, a blowing passage formed with an inclination between the upper shroud, the lower shroud, and the plurality of blowing blades, and an air outlet part formed on the outer side of the upper shroud, on the outer side of the lower shroud, and at distal ends of the plurality of blowing blades, and thus has the effect of being excellent in the efficiency of air flow and of reducing the amount of noise and vibration generated in the process in which the air introduced through the air inlet part is discharged through the air outlet part by way of the inclined blowing passage.

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First Claim