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:
Jul. 27, 2021
Filed:
May. 13, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 1/46 (2006.01); B60K 17/16 (2006.01); D06F 37/36 (2006.01); D06F 23/02 (2006.01); D06F 37/20 (2006.01); F16H 1/28 (2006.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
D06F 37/36 (2013.01); D06F 23/02 (2013.01); D06F 37/206 (2013.01); F16H 1/28 (2013.01); F16H 57/02 (2013.01); F16H 2057/02039 (2013.01);
Abstract
A driving device for a washing machine includes a motor comprising a stator and a rotor configured to rotate inside the stator, a shaft configured to receive torque of the motor and rotate an inner tub of the washing machine, a planetary gear located at a front end of the shaft and configured to adjust a rotation speed of the inner tub by changing the torque of the motor at a preset reduction gear ratio, and an electronic clutch located between the shaft and the planetary gear and configured to operate to adjust connection and disconnection between the shaft and the planetary gear according to an operation mode change signal of the washing machine.