公开(公告)号：US11662036B2

公开(公告)日：2023-05-30

申请号：US17854687

申请日：2022-06-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fan Zhang ,  Lei Chen ,  Heyuan Li ,  Langchao Hu

IPC: F16K17/196 ,  H01M50/204 ,  H01M50/325

CPC classification number: F16K17/196 ,  H01M50/204 ,  H01M50/325 ,  H01M2200/20

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.

公开(公告)号：US12018764B2

公开(公告)日：2024-06-25

申请号：US17540296

申请日：2021-12-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fan Zhang ,  Lei Chen ,  Heyuan Li ,  Langchao Hu

IPC: F16K17/196 ,  F16K15/04 ,  F16K15/06 ,  F16K17/04 ,  H01M50/308 ,  H01M50/325 ,  H01M50/333

CPC classification number: F16K17/196 ,  F16K15/063 ,  F16K17/0413 ,  H01M50/325 ,  H01M50/333 ,  F16K15/044 ,  F16K17/0406 ,  H01M50/308

Abstract: A valve, a battery and a power consumption device are disclosed, the valve includes a valve body, a barrier, a first unidirectional valve core and a second unidirectional valve core. The valve body includes a fluid channel; the barrier is disposed in the fluid channel, and separates the fluid channel into a first cavity and a second cavity, the barrier is provided with a first through hole and a second through hole communicating the first cavity and the second cavity; the first unidirectional valve core is configured to close or open the first through hole; the second unidirectional valve core is configured to close or open the second through hole, opening directions of the first unidirectional valve core and the second unidirectional valve core are opposite. The valve is compact and capable of implementing a bi-directional flow of fluid.