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.
Patent No.:
Date of Patent:
Oct. 13, 2009
Filed:
Oct. 30, 2007
Jae Hong Lee, Incheon, KR;
Hyuk Joo Kwon, Gangneung-si, KR;
Seog Yong Kim, Changwon-si, KR;
Sang Jun Park, Gimhae-si, KR;
Jae Hong Lee, Incheon, KR;
Hyuk Joo Kwon, Gangneung-si, KR;
Seog Yong Kim, Changwon-si, KR;
Sang Jun Park, Gimhae-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
There is provided a vacuum cleaner. The vacuum cleaner includes a dust separation part separating dust contained in air; a dust storing part storing dust separated by the dust separation part; a compression unit dividing the dust separation part and dust storing part, for compressing dust stored in the dust storing part; a motor connection passage communicated with a motor generating a negative pressure; a compression passage communicated with the dust storing part; a dust collection passage communicated with the dust separation part; and a flow passage control unit selectively opening and closing the compression passage and the dust collection passage.