Multi cyclone dust collector for a vacuum cleaner and method for collecting sewage

Abstract

A multi-cyclone dust collector including at least one first cyclone forcing contaminants-laden air that is entered into a lower portion of the at least one first cyclone to whirl so as to centrifugally separate contaminants from the contaminants-laden air; and at least one second cyclone being disposed around the at least one first cyclone, the at least one second cyclone forcing semi-clean air that is discharged from the at least one first cyclone and is entered into a lower portion of the at least one second cyclone to whirl so as to centrifugally separate fine contaminants from the air.

Description

[0001] This application claims the benefit of U.S. Provisional Application Nos. 60 / 725,609, filed October 11, 2005, with the United States Patent and Trademark Office, and 2005-102615, filed August 28, 2005, with the Korean Intellectual Property Office and For the benefit of Korean Patent Application No. 2006-11668 filed with the Korean Intellectual Property Office on February 7, 2006, the disclosure of each of the above-listed applications is hereby incorporated by reference. technical field [0002] The present invention relates to a vacuum cleaner. More particularly, the present invention relates to a multi-cyclone dust collector for a vacuum cleaner that separates and collects dirt from sucked air by centrifugal force. Background technique [0003] Cyclone-type vacuum cleaners, which separate dirt from sucked air by centrifugal force, use semi-permanent cyclonic dust collectors. Cyclone-type vacuum cleaners have become...

AI Technical Summary

Problems solved by technology

The backflow of dirt reduces the dust collection efficiency of the multi-cyclone dust collector 600 and shortens the filter maintenance period of the multi-cyclone dust collector 600

[0009] In addition, the multi-cyclone dust collector 600 also has the problem that the above-mentioned air collision occurs because the air inlets 611 and 621 and the air outlets 612 and 622 are arranged on the upper parts of the first cyclone 610 and the second cyclone 620. thus reducing dust collection efficiency

[0010] In addition, the disadvantage of the conventional multi-cyclone dust collector 600 is that its height is high because the space in which the air rotates and the space in which the dirt is collected are arranged vertically

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