Valve structure for power storage device and power storage device
AssigneeDai Nippon Printing Co., Ltd.
InventorsMiho Sasaki, Tomohiro Sasaki
Life of this patent
Estimating the term…
Abstract
A valve structure for a power storage device includes a passage that communicates the interior of a container housing a power storage device element with the exterior of the container, and a check valve disposed to block the passage and configured to open when the internal pressure of the container increases due to gas produced inside the container and pass the gas from the internal side of the container to the external side, the check valve including a valve seat and a valve body, and the valve structure including a liquid disposed to come in contact with the valve seat and the valve body.
Claims20
A valve structure for a power storage device, comprising:
- a passage configured to communicate an interior of a container housing a power storage device element with an exterior of the container;
- and
- a check valve disposed to block the passage, and configured to open when an internal pressure of the container increases due to gas produced inside the container and pass the gas from an internal side of the container to an external side,
- wherein the check valve includes a valve seat and a valve body,
- the valve structure comprises a liquid disposed to come in contact with the valve seat and the valve body,
- the passage includes an outlet facing an external space, and
- the liquid forms a layer between the valve seat and the outlet such that the gas must travel through the layer to communicate an interior and an exterior of the container.
Dependencies are inferred from the claim text.