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:
May. 30, 2023

Filed:

Jun. 30, 2022
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Fan Zhang, Ningde, CN;

Lei Chen, Ningde, CN;

Heyuan Li, Ningde, CN;

Langchao Hu, Ningde, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 17/196 (2006.01); H01M 50/204 (2021.01); H01M 50/325 (2021.01);
U.S. Cl.
CPC ...
F16K 17/196 (2013.01); H01M 50/204 (2021.01); H01M 50/325 (2021.01); H01M 2200/20 (2013.01);
Abstract

Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.


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