| 摘要 |
The present invention relates to a highly efficient vortex fan capable of collection and discharge. The highly efficient vortex fan comprises: a housing having an inlet formed in an upper portion and an outlet formed in a lower portion, wherein air is introduced to the inlet and the air is discharged to the outlet; a motor provided inside the housing to provide a rotational force; a rotational shaft receiving the rotational force from the motor to be rotated; a suction blade installed in an end of the rotational shaft to be rotated with the rotational shaft together; a bell mouth guiding the external air to the outlet; and a vortex blade rotated with the bell mouth together. Therefore, the present invention can significantly reduce noise to provide ease of use of a product for users. |
