| 摘要 |
<p>PROBLEM TO BE SOLVED: To inhibit exhaustion of unwanted components, such as electrolyte acid mist, which is contained in a gas generated in a battery case.SOLUTION: A plug for a storage battery includes: a plug body which may be attached to a battery case and exhausts a gas G generated in the battery case; a cylindrical body 95 which divides the interior of the plug body and forms an inner space communicating with the interior of the battery case and a gas passage 130 having a labyrinth form; and a filter 100 which is stored in the inner space of the cylindrical body 95. The cylindrical body 95 has a passage hole 96 which allows the inner space to communicate with the gas passage 130. The plug body includes an exhaust hole 45 which allows the exterior to communicate with the gas passage 130 at a position different from the passage hole 96.</p> |
