| 摘要 |
A pressure control valve provided on a terminal plate of a capacitor includes a filter, a valve body and a cap. The filter is provided so as to close a hole for pouring an electrolyte solution therethrough on a terminal plate and is composed of a gas permeable sheet preventing permeation of the electrolyte solution. The valve body formed of an elastic material has a cylindrical part and a bottom part, and is disposed so that the bottom part covers the filter. The cap is fixed to the terminal plate, covers the valve body and holds the valve body in a composed state with respect to the terminal plate. The cap is provided with a vent hole. The valve body and the filter are provided apart from each other. |
