CPC B01D 46/0047 (2013.01) [F04D 17/162 (2013.01); F04D 25/10 (2013.01); F04D 25/16 (2013.01); F04D 25/166 (2013.01); F04D 29/422 (2013.01); F04D 29/424 (2013.01); F24F 8/10 (2021.01); F24F 8/80 (2021.01); F24F 13/20 (2013.01); F04D 29/701 (2013.01); F24F 11/77 (2018.01); F24F 13/10 (2013.01)] | 15 Claims |
1. An air purifier comprising:
a plurality of bi-directional fans, which are arranged to be misaligned in a vertical direction such that discharge directions of discharge ports are different from each other; and
a flow path provided on one side of the air purifier and in communication with an upper discharge port positioned on an upper side of the air purifier and a side discharge port positioned on a side of the air purifier,
wherein the bi-directional fans include an upper bi-directional fan and a lower bi-directional fan,
wherein a discharge port of the upper bi-directional fan faces upward, and a discharge port of the lower bi-directional fan is inclined from the vertical direction to face towards one side of an upper portion;
the discharge port of the lower bi-directional fan is in communication with the flow path;
wherein air discharged from the upper bi-directional fan is discharged toward the upper discharge port; and wherein air discharged from the lower bi-directional fan is selectively discharged toward the upper discharge port or the side discharge port depending on an operation of a flow path switching member provided on the flow path,
wherein the discharge directions of the discharge ports of the plurality of bi-directional fans are different from each other, and bi-directional intake ports of the plurality of bi-directional fans are positioned on left and right sides of the air purifier.
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