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:
Dec. 23, 2025
Filed:
Sep. 13, 2022
GM Global Technology Operations Llc, Detroit, MI (US);
Yongjie Zhu, Troy, MI (US);
Chunhao J. Lee, Troy, MI (US);
Suresh Gopalakrishnan, Troy, MI (US);
Venkatesh Gopalakrishnan, Troy, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A system in a vehicle includes a plurality of contactors to open or close a connection from two or more battery packs that power one or more motors of the vehicle to move the vehicle. The system also includes a controller to control the plurality of contactors to connect the two or more battery packs in series according to one of a plurality of modes of operation or to connect the two or more battery packs in parallel according to another of the plurality of modes of operation, and to control the plurality of contactors to test an operation of one or more of the plurality of contactors.