The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 23, 2014

Filed:

May. 31, 2011
Applicants:

Min-ha Kim, Gwangju, KR;

Joung-soo Park, Jeonju-si, KR;

Sung-tae Joo, Gwangju, KR;

Hyun-ju Lee, Gwangju, KR;

Dong-houn Yang, Gwangju, KR;

Inventors:

Min-ha Kim, Gwangju, KR;

Joung-soo Park, Jeonju-si, KR;

Sung-tae Joo, Gwangju, KR;

Hyun-ju Lee, Gwangju, KR;

Dong-houn Yang, Gwangju, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L 9/16 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1633 (2013.01); A47L 9/1641 (2013.01);
Abstract

A cyclone dust collecting apparatus for a vacuum cleaner includes a first chamber; an entering passage disposed above the first chamber, the entering passage guiding outer air to form a downwardly whirling air current in the first chamber; a second chamber formed at a position higher than that of an outlet of the entering passage above the first chamber, the second chamber in which the outer air entering from the first chamber whirls; a contaminants-blocking member disposed to be spaced apart from a bottom surface of the first chamber at a center of the first chamber, the contaminants-blocking member preventing contaminants and water separated in the first chamber from moving into the second chamber; and a grill disposed inside the second chamber to be in fluid communication with an air discharging port through which clean air is discharged.


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