US 7,556,661 B2
Dust collection unit and vacuum cleaner with same
Hoi Kil Jeong, Changwon-si (Korea, Republic of); Geun Bae Hwang, Changwon-si (Korea, Republic of); and Young Jong Kim, Kimhae-si (Korea, Republic of)
Assigned to LG Electronics Inc., Seoul (Korea, Republic of)
Filed on Sep. 23, 2005, as Appl. No. 11/232,858.
Claims priority of application No. 10-2004-0113380 (KR), filed on Dec. 27, 2004.
Prior Publication US 2006/0137306 A1, Jun. 29, 2006
Int. Cl. B01D 45/12 (2006.01)
U.S. Cl. 55—343  [55/416; 55/429; 55/DIG. 3] 16 Claims
OG exemplary drawing
 
1. A dust collection unit for a vacuum cleaner, comprising:
a filtering chamber filtering foreign objects;
an exhaust member disposed above the filtering chamber to guide airflow and having a tube located in an exhaust side of the filtering chamber, the tube defining an exhaust side air intake hole;
a storing chamber disposed under the filtering chamber to store the foreign objects filtered in the filtering chamber;
a sealing member sealing bottoms of the filtering chamber; and
a rectifying unit integrally formed with an inner periphery of the tube to rectify airflow, thereby reducing noise generated by the airflow.