| US 7,491,255 B2 | ||
| Dust collection unit for vacuum cleaner | ||
| Jae Duk Jung, Changwon-si (Korea, Republic of) | ||
| Assigned to LG Electronics Inc., Seoul (Korea, Republic of) | ||
| Filed on Sep. 23, 2005, as Appl. No. 11/232,857. | ||
| Claims priority of application No. 10-2004-0113397 (KR), filed on Dec. 27, 2004. | ||
| Prior Publication US 2006/0137305 A1, Jun. 29, 2006 | ||
| Int. Cl. B01D 45/12 (2006.01) | ||
| U.S. Cl. 55—343 [55/349; 55/418; 55/429; 55/DIG. 3] | 20 Claims |
| 1. A dust collection unit for a vacuum cleaner, comprising:
a first filtering chamber for filtering first foreign objects;
a plurality of second filtering chambers formed along an outer circumference of the first filtering chamber to receive air
passed through the first filtering chamber and filter second foreign objects by using cyclone airflow, the second foreign
objects being smaller than the first foreign objects;
an air intake hole through which air is introduced into the second filtering chambers;
at least two air introduction guides extended outward from the air intake hole to guide a flow of air introduced into the
second filtering chamber; and
a storing chamber formed under the filtering chamber.
|