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.

Date of Patent:
Apr. 02, 2024

Filed:

Feb. 22, 2022
Applicant:

SK Innovation Co., Ltd., Seoul, KR;

Inventors:

Ho Sang Jang, Daejeon, KR;

Seon Yong Kim, Daejeon, KR;

Byoung Kyu Park, Daejeon, KR;

Yong Sug Choi, Daejeon, KR;

Assignee:

SK ON CO., LTD., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/385 (2019.01); G01R 27/18 (2006.01); G01R 31/12 (2020.01);
U.S. Cl.
CPC ...
G01R 31/385 (2019.01); G01R 27/18 (2013.01); G01R 31/1227 (2013.01);
Abstract

An apparatus for measuring an insulation resistance according to the present invention includes: a first distribution resistor connected to a positive terminal of a battery and a ground; a first switch connected to the positive terminal of the battery and the first distribution resistor; a second distribution resistor connected to a negative terminal of the battery and the ground; a second switch connected to the negative terminal of the battery and the second distribution resistor; and an insulation resistance measurement unit measuring a resistance value of a negative electrode insulation resistor of the battery using a first voltage applied to the first distribution resistor and measuring a resistance value of a positive electrode insulation resistor of the battery using a second voltage applied to the second distribution resistor.


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