Patent ID: 7774898

Claim:
A vacuum cleaner, comprising: a body; a dust collection unit positioned in the body to filter foreign matter; a blower fan unit including a blower fan and a motor to generate suction force; an air vent through which air drawn into the body is discharged; and a discharge flow path to guide the air discharged through a discharge port of the blower fan unit to the air vent, the discharge flow path comprising a space defined between the dust collection unit and the blower fan unit, wherein the discharge flow path is bent a number of times, and comprises: a first flow path defined from the discharge port of the blower fan unit to the space defined between the dust collection unit and the blower fan unit, a second flow path extending from the first flow path and defined in the space between the dust collection unit and the blower fan unit, a third flow path from the second flow path to the air vent, and a discharged-air filter positioned in the first flow path or in the second flow path to filter the foreign matter in the air discharged through the discharge port of the blower fan unit, and wherein the body has an opening formed in a bottom surface to exchange the discharged-air filter therethrough, and opened and closed by a door.