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:
Oct. 06, 2009

Filed:

Mar. 03, 2006
Applicants:

Dong-hun Yoo, Gwangju, KR;

Myoung-sun Choung, Gwangju, KR;

Jae-sun You, Gwangju, KR;

Inventors:

Dong-hun Yoo, Gwangju, KR;

Myoung-sun Choung, Gwangju, KR;

Jae-sun You, Gwangju, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 45/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dust collecting apparatus for a vacuum cleaner including a cyclone body provided with a cyclone chamber and a contaminant collecting chamber formed therein, a cyclone case provided in the cyclone body having the cyclone chamber and the contaminant collecting chamber separated from each other; an air inflow tube penetrating an outer wall of the cyclone body such that a suction passage at an outside of the cyclone body is fluidly communicated with a lower end of the cyclone chamber; and an air outlet tube penetrating sequentially a bottom of the cyclone case and a bottom the cyclone body to guide the air discharged from the cyclone chamber to a discharge passage placed at an outside of the cyclone body, wherein the contaminant collecting chamber is connected to the cyclone chamber through a contaminant discharge port formed at a side surface of upper end of the cyclone chamber.


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