Motor driven fluid pump

A motor driven fluid pump, comprising:

• a pump body having a motor chamber and a pump chamber;
• a bearing supporting a rotary shaft of a motor which extends from the motor chamber to the pump chamber, in the pump body;
• a mechanical seal disposed between the rotary shaft of the motor and the pump body and blocking the motor chamber and the pump chamber;
• a bearing guide integrally fixed to the rotary shaft of the motor, between the bearing and the mechanical seal;
• a fluidproof plate fixed to the pump body to overlap the bearing guide, perpendicular to the rotary shaft of the motor;
• and
• a leachate exhaust aperture and a vapor exhaust aperture formed in the pump body to communicate with a space between the fluidproof plate and the mechanical seal;
• wherein a plurality of air motion tips bending toward both sides of the fluidproof plate are alternately formed circumferentially on an inner circumference of the fluidproof plate.