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:
Jun. 04, 2024
Filed:
Jul. 08, 2021
Guangzhou Automobile Group Co., Ltd., Guangzhou, CN;
Chen Zhang, San Jose, CA (US);
Meng Yao, Sunnyvale, CA (US);
Xiaohui Li, Sunnyvale, CA (US);
Bozhi Yang, Sunnyvale, CA (US);
Meng Wang, Sunnyvale, CA (US);
GUANGZHOU AUTOMOBILE GROUP CO., LTD., Guangzhou, CN;
Abstract
A method of detecting safe and other states of battery while electric vehicle is being driven controls an inverter to generate ripple current on the battery; ripple voltages of a plurality of battery cells are measured, voltage phase shifts between the battery cells are calculated. The battery can be analyzed as normal or otherwise according to the voltage phase shift between plurality of the battery cells. A vehicle-mounted device and a non-volatile storage medium therein, for performing the above-described method, are also disclosed.