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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 12565725 B1

PDFFull Text
Date of Patent:
Mar. 03, 2026

Filed:

Jun. 15, 2023

Washing machine and controlling method for the same

Applicants:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inha University Research and Business Foundation, Incheon, KR;

Inventors:

Doyeon Kim, Suwon-si, KR;

Seunghun Lee, Suwon-si, KR;

Seungbok Choi, Incheon, KR;

Byunghyuk Kang, Incheon, KR;

Jeonghoon Kang, Suwon-si, KR;

Bogyu Kim, Pohang-si, KR;

Yujin Park, Incheon, KR;

Jaeik Park, Suwon-si, KR;

Junhyun Park, Suwon-si, KR;

Junhyeong Park, Suwon-si, KR;

Sejun Lee, Suwon-si, KR;

Hyungjin Choe, Suwon-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;

Attorney:

STAAS & HALSEY LLP

Primary Examiner:

Jason Y Ko

Int. Cl.
CPC ...
D06F 33/48 (2020.01); D06F 23/02 (2006.01); D06F 34/20 (2020.01); D06F 37/22 (2006.01); F16F 9/53 (2006.01); F16F 15/00 (2006.01); G05D 24/02 (2006.01); D06F 103/26 (2020.01); D06F 105/52 (2020.01);
U.S. Cl.
CPC ...
D06F 33/48 (2020.02); D06F 23/02 (2013.01); D06F 34/20 (2020.02); D06F 37/225 (2013.01); F16F 9/535 (2013.01); F16F 15/002 (2013.01); G05D 24/02 (2013.01); D06F 2103/26 (2020.02); D06F 2105/52 (2020.02); F16F 2222/12 (2013.01); F16F 2228/066 (2013.01); F16F 2230/18 (2013.01);
Abstract

A washing machine including a cabinet; a tub disposed in the cabinet; a drum arranged inside the tub so as to be rotatable; at least one damper coupled to the cabinet and the tub, and including at least one coil configured to generate a magnetic field based on a voltage applied to the at least one coil, and a magneto-rheological fluid having a viscosity that changes based on the magnetic field; and a controller configured to control the voltage applied to the at least one coil based on a rotation speed of the drum and a vibration value of the tub so as to generate the magnetic field to change the viscosity of the magneto-rheological fluid to reduce the vibration of the tub caused by the rotation of the drum.

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