Patent ID: 7615089
Filing Date: 2009-11-10
Classification: A47L,B04C,Y10S

Abstract:
1. A filter assembly which is mounted in a cyclone chamber of a cyclone dust collecting apparatus, which centrifugally separates dust from drawn-in air, and filters out the remaining dust from the air being discharged from the cyclone chamber, the filter assembly comprising: a filter part which comprises an air path along which the drawn-in air passes, wherein the air path guides a portion of the drawn-in air to flow in a direction perpendicular to the central axis of the filter part while another portion of the drawn-in air moves in a direction parallel to the central axis, and wherein the filter part comprises: a spiral member which is formed coaxially with the filter part; and a plurality of support ribs which are formed across and are connected to the spiral member to support the spiral member.