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:
Nov. 22, 2022
Filed:
Jul. 10, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventor:
Hyeon-Jin Song, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/327 (2006.01); G01R 27/08 (2006.01); G01R 19/10 (2006.01); G01K 7/22 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/327 (2013.01); G01K 7/22 (2013.01); G01R 19/10 (2013.01); G01R 27/08 (2013.01); H02J 7/0013 (2013.01); H02J 7/0031 (2013.01); H02J 7/0047 (2013.01);
Abstract
A switch diagnosing apparatus and method capable of effectively diagnosing a charging switch and a discharging switch provided to a battery pack. It is possible to effectively diagnose the state of a switch as at least one of a normal state, an open stuck state, a closed stuck state and a drift state, thereby improving the diagnosing efficiency.