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:
May. 05, 2026
Filed:
Sep. 08, 2022
Applicant:
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2026.01); H02H 9/04 (2006.01); H02J 7/64 (2026.01);
U.S. Cl.
CPC ...
H02J 7/64 (2026.01); H02H 9/04 (2013.01);
Abstract
A discharge circuit includes a first branch configured to be connected to a protected unit and a second branch connected in parallel to the first branch. The first branch includes a first overvoltage protection device configured to passively discharge a surge voltage. The second branch includes a second overvoltage protection device and a control switch connected in series. The control switch is configured to be connected to a control unit, and to be opened or closed based on a control signal of the control unit.