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. 04, 2025
Filed:
Dec. 09, 2021
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Jang Hoon Kim, Seoul, KR;
Won Kyu Kim, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/26 (2006.01); H02P 23/14 (2006.01); H02P 23/24 (2016.01); H02P 25/086 (2016.01); H02P 29/024 (2016.01);
U.S. Cl.
CPC ...
H02P 3/26 (2013.01); H02P 23/14 (2013.01); H02P 23/24 (2016.02); H02P 25/086 (2013.01); H02P 29/024 (2013.01);
Abstract
A motor control method according to an embodiment of a present invention comprises the steps of: performing three-phase commutation in a first range section of a motor rotational speed in a brake mode of a motor; performing two-phase commutation in a second range section of the motor rotational speed performing one-phase commutation in a first range section of the motor rotational speed; and turning off commutation when the motor rotational speed is less than or equal to the first range section.