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US 2024/0396190 A1Published application
Drain valve for battery box, battery, electric apparatus, and drainage method
AssigneeContemporary Amperex Technology Co., Limited
InventorSiling ZHONG
Life of this patent
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Abstract
A drain valve includes a sealing member and an expansion member, where the sealing member is configured to be disposed on an outer side of a drain outlet of a battery box, the expansion member is disposed on a side of the sealing member facing the drain outlet, and the expansion member is configured to expand after absorbing water to extrude an edge of the sealing member to move in a direction leaving an inner side of the drain outlet.
Claims15
A drain valve, comprising:
- a sealing member, wherein the sealing member is configured to be disposed on an outer side of a drain outlet of a battery box;
- and
- an expansion member, wherein the expansion member is disposed on a side of the sealing member facing the drain outlet, and the expansion member is configured to expand after absorbing water to extrude an edge of the sealing member to move in a direction leaving an inner side of the drain outlet.
Dependencies are inferred from the claim text.