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:
Nov. 12, 2019
Filed:
Aug. 07, 2017
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Hyun 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 inhalation unit to generate inhalation force to inhale air into a main body, the inhalation unit comprising: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel that is coupled to the impeller cover so that the impeller is capable of being accommodated in the return channel and that is directly coupled to the impeller so that air passing through the impeller is capable of being introduced into the return channel, the return channel comprising: an inner frame; and an outer frame at an outer side of the inner frame so as to be spaced apart from the inner frame.