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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.:

US 11603616 B1

PDFFull Text
Date of Patent:
Mar. 14, 2023

Filed:

Oct. 10, 2017

Washing machine and method of controlling the same

Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Minho Jang, Seoul, KR;

Jaegwang Bae, Seoul, KR;

Hoonbong Lee, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:

KED & Associates LLP

Primary Examiner:

David G Cormier

Assistant Examiner:

Thomas Bucci

Int. Cl.
CPC ...
D06F 34/18 (2020.01); D06F 33/32 (2020.01); D06F 23/02 (2006.01); D06F 37/06 (2006.01); D06F 37/26 (2006.01); D06F 37/38 (2006.01); D06F 103/04 (2020.01); D06F 103/26 (2020.01); D06F 103/38 (2020.01); D06F 103/46 (2020.01); D06F 105/00 (2020.01); D06F 105/46 (2020.01); D06F 105/48 (2020.01); D06F 105/58 (2020.01); D06F 105/60 (2020.01); D06F 33/40 (2020.01); D06F 33/44 (2020.01);
U.S. Cl.
CPC ...
D06F 34/18 (2020.02); D06F 23/02 (2013.01); D06F 33/32 (2020.02); D06F 37/06 (2013.01); D06F 37/266 (2013.01); D06F 37/38 (2013.01); D06F 33/40 (2020.02); D06F 33/44 (2020.02); D06F 2103/04 (2020.02); D06F 2103/26 (2020.02); D06F 2103/38 (2020.02); D06F 2103/46 (2020.02); D06F 2105/00 (2020.02); D06F 2105/46 (2020.02); D06F 2105/48 (2020.02); D06F 2105/58 (2020.02); D06F 2105/60 (2020.02);
Abstract

A washing machine and a method of controlling the same are disclosed. The amount of laundry that is introduced into the washing machine is measured using gravity and inertia applied during the operation of the motor, whereby it is possible to precisely calculate the amount of laundry and to minimize the effects of the initial position of the laundry and the movement of the laundry. In addition, the current value of the motor that is operated is used to measure the amount of laundry without a sensor. Furthermore, the amount of laundry is measured at the rotational speed of the motor at which the laundry clings to the drum, whereby it is possible to minimize an error due to the movement of the laundry to thus improve accuracy. Moreover, it is possible to determine the amount of laundry within a short time. Consequently, it is easy to commence the spin-drying operation, thereby reducing washing time and saving energy.

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