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:
Sep. 12, 2017
Filed:
Oct. 27, 2014
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Hyun Joo Kim, Gwangju, KR;
Sang Won Lee, Hwaseong-si, KR;
Dong Suk Ko, Gwangju, KR;
Jin Hyung Park, Gwangju, KR;
Eung Ryeol Seo, Suwon-si, KR;
Hyeon Joon Oh, Gwangju, KR;
Joo Yong Lee, Gwangju, KR;
Jae Ho Choi, Seongnam-si, KR;
Kwang Su Heo, Gwangju, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A cleaning device includes an improved structure in which cleaning performance can be improved. The cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, wherein the inhalation unit includes: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel coupled to the impeller cover so that the impeller can be accommodated in the return channel, wherein the return channel includes: an inner frame; and an outer frame placed at an outer side of the inner frame so as to be spaced apart from the inner frame, and a plurality of wings are disposed between the inner frame and the outer frame.