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:
Mar. 01, 2022
Filed:
Aug. 31, 2016
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); A47L 9/22 (2006.01); A47L 9/00 (2006.01); A47L 5/22 (2006.01); F04D 25/06 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/667 (2013.01); A47L 5/22 (2013.01); A47L 9/0081 (2013.01); A47L 9/22 (2013.01); F04D 25/06 (2013.01); F04D 29/4206 (2013.01);
Abstract
The suction unit comprises: a cover having an air inlet; a noise reduction part provided in the cover, arranged outside the air inlet and spaced therefrom; an impeller for flowing the air which has passed through the noise reduction part and then the air inlet; a motor having a rotating shaft connected to the impeller; a guide apparatus for guiding the flow of the air which has flown from the exit of the impeller; and a shaft coupling part coupled to the rotating shaft connected to the impeller.