Patent ID: 6968595

Claim:
A cyclone-type dust-collecting apparatus for a vacuum cleaner comprising: a cyclone body comprising an air inlet pipe connected to an air inlet path formed for connection to a suction brush of a vacuum cleaner body and an air discharge pipe connected with an air discharge path formed for connection to a motor driving chamber of a vacuum cleaner body, the cyclone body for forming a cyclone stream from air, including entrained dust and dirt flown in through the air inlet pipe, said cyclone body further comprising a protruding flow path formed on one side of the cyclone body and a dirt collecting receptacle, said protruding flow path collecting large particles of dirt and dust separated from a cyclone stream inside the cyclone body by centrifugal force, said protruding flow path being positioned on the front side of the cyclone body wherein the side of the dust-collecting apparatus disposed on the cleaner body is considered to be the back side; the dirt collecting receptacle removably disposed at the lower part of the cyclone body for collecting dust and dirt separated by centrifugal force formed by the cyclone stream of the cyclone body during vacuum cleaner operation; and a grill assembly disposed at an entrance of the air discharge pipe inside the cyclone body to prevent dust and dirt from reversibly flowing through the air discharge pipe, an ultraviolet lamp disposed in the vacuum cleaner body, said ultraviolet lamp emitting ultraviolet light into the dirt collecting receptacle; wherein a lamp positioning groove depressed inwardly in the dirt collecting receptacle is provided for positioning the ultraviolet lamp disposed in the vacuum cleaner body, said ultraviolet lamp for disinfecting air inside the dirt collecting receptacle.