Air purifier including bi-directional fans having different discharge directions

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.