Patent ID: 7434293
Filing Date: 2008-10-14
Classification: A47L

Abstract:
1. A vacuum cleaner comprising: a motor casing to receive a driving motor with an air outlet through which air from a dust collecting chamber flows; a cleaner body with a driving chamber which receives the motor casing therein; and an air discharge unit disposed at the cleaner body through which air flows from the motor casing of the driving motor and is discharged to an outside of the driving chamber, to reduce noise by guiding and reversing a discharging direction of the air discharged from the motor casing at least two times, the air discharge unit having a first and second guide walls forming a front side of the driving chamber, with opposite end portions thereof being stepped to form an air discharge port therebetween, a filter assembly connected to cover an outer side of the first and second guide walls and to filter air discharged through the air discharge port, and a plurality of oblique ribs protruding from the outer side of the first and second guide walls at an interval.