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:
Jan. 24, 2023
Filed:
Apr. 10, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F 33/37 (2020.01); D06F 33/47 (2020.01); D06F 34/14 (2020.01); D06F 39/02 (2006.01); D06F 105/42 (2020.01); D06F 103/22 (2020.01); D06F 105/02 (2020.01);
U.S. Cl.
CPC ...
D06F 33/37 (2020.02); D06F 33/47 (2020.02); D06F 34/14 (2020.02); D06F 39/022 (2013.01); D06F 39/028 (2013.01); D06F 2103/22 (2020.02); D06F 2105/02 (2020.02); D06F 2105/42 (2020.02);
Abstract
A washing machine of the present disclosure includes: a tub in which water is stored; a drum which is rotatably provided in the tub, and accommodates laundry; and a detergent supply device which supplies a liquid additive to the tub, wherein the detergent supply device includes: a cartridge which contains the additive; a pump which extracts the additive contained in the cartridge; an outlet flow path pipe which is connected to the cartridge, and through which the extracted additive flows toward the tub; and a flow path pipe sensor which is installed in the outlet flow path pipe, and detects an existence of the additive in the outlet flow path pipe.