Flow rate performance optimizing type bidirectional blower

The bidirectional blower of claim 2, further including:

• an inlet formed to the blower body;
• a first discharge port and a second discharge port formed inside the blower body;
• a fan rotatably mounted in the blower body and surrounded by the entire perimeter scroll, wherein the fan includes a blade having an inlet angle and an outlet angle which differ from each other;
• wherein the scroll rib includes a first scroll rib disposed in the first discharge port, an end portion of the first scroll rib being formed of a triangular shape inclined downwardly from the first scroll rib, and
• wherein the scroll rib further includes a second scroll rib disposed in the second discharge port, an end portion of the second scroll rib being formed of a triangular shape inclined downwardly from the second scroll rib.